./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 f4b24e32 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-?-f4b24e3 [2022-07-13 23:57:30,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:57:30,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:57:30,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:57:30,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:57:30,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:57:30,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:57:30,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:57:30,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:57:30,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:57:30,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:57:30,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:57:30,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:57:30,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:57:30,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:57:30,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:57:30,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:57:30,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:57:30,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:57:31,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:57:31,004 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:57:31,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:57:31,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:57:31,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:57:31,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:57:31,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:57:31,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:57:31,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:57:31,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:57:31,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:57:31,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:57:31,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:57:31,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:57:31,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:57:31,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:57:31,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:57:31,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:57:31,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:57:31,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:57:31,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:57:31,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:57:31,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:57:31,018 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:57:31,035 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:57:31,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:57:31,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:57:31,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:57:31,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:57:31,036 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:57:31,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:57:31,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:57:31,037 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:57:31,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:57:31,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:57:31,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:57:31,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:57:31,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:57:31,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:57:31,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:57:31,038 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:57:31,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:57:31,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:57:31,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:57:31,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:57:31,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:57:31,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:57:31,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:57:31,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:57:31,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:57:31,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:57:31,043 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:57:31,043 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:57:31,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:57:31,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2022-07-13 23:57:31,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:57:31,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:57:31,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:57:31,233 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:57:31,244 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:57:31,244 INFO L432 ainManager$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 [2022-07-13 23:57:31,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36e4e08d/b9ad52a13f074151a5631e8f1af74f66/FLAGb427c84e3 [2022-07-13 23:57:32,010 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:57:32,011 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 [2022-07-13 23:57:32,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36e4e08d/b9ad52a13f074151a5631e8f1af74f66/FLAGb427c84e3 [2022-07-13 23:57:32,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36e4e08d/b9ad52a13f074151a5631e8f1af74f66 [2022-07-13 23:57:32,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:57:32,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:57:32,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:57:32,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:57:32,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:57:32,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:57:32" (1/1) ... [2022-07-13 23:57:32,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db17070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:32, skipping insertion in model container [2022-07-13 23:57:32,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:57:32" (1/1) ... [2022-07-13 23:57:32,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:57:32,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:57:35,742 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] [2022-07-13 23:57:35,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:57:35,895 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:57:36,035 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) [2022-07-13 23:57:36,040 INFO L158 Benchmark]: Toolchain (without parser) took 3708.37ms. Allocated memory was 88.1MB in the beginning and 167.8MB in the end (delta: 79.7MB). Free memory was 50.2MB in the beginning and 81.5MB in the end (delta: -31.3MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2022-07-13 23:57:36,040 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:57:36,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3707.08ms. Allocated memory was 88.1MB in the beginning and 167.8MB in the end (delta: 79.7MB). Free memory was 50.0MB in the beginning and 81.5MB in the end (delta: -31.6MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2022-07-13 23:57:36,042 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 88.1MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3707.08ms. Allocated memory was 88.1MB in the beginning and 167.8MB in the end (delta: 79.7MB). Free memory was 50.0MB in the beginning and 81.5MB in the end (delta: -31.6MB). Peak memory consumption was 102.2MB. 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-?-f4b24e3 [2022-07-13 23:57:37,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:57:37,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:57:37,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:57:37,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:57:37,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:57:37,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:57:37,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:57:37,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:57:37,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:57:37,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:57:37,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:57:37,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:57:37,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:57:37,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:57:37,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:57:37,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:57:37,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:57:37,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:57:37,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:57:37,583 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:57:37,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:57:37,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:57:37,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:57:37,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:57:37,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:57:37,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:57:37,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:57:37,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:57:37,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:57:37,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:57:37,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:57:37,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:57:37,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:57:37,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:57:37,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:57:37,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:57:37,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:57:37,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:57:37,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:57:37,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:57:37,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:57:37,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-13 23:57:37,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:57:37,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:57:37,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:57:37,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:57:37,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:57:37,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:57:37,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:57:37,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:57:37,632 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:57:37,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:57:37,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:57:37,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:57:37,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:57:37,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:57:37,634 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 23:57:37,634 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 23:57:37,634 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 23:57:37,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:57:37,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:57:37,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:57:37,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:57:37,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:57:37,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:57:37,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:57:37,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:57:37,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:57:37,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:57:37,635 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 23:57:37,636 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 23:57:37,636 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:57:37,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:57:37,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:57:37,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 23:57:37,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2022-07-13 23:57:37,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:57:37,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:57:37,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:57:37,886 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:57:37,886 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:57:37,887 INFO L432 ainManager$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 [2022-07-13 23:57:37,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196503160/18b351f6a4f84291a7b97b65a099f210/FLAG6905db384 [2022-07-13 23:57:38,673 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:57:38,674 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 [2022-07-13 23:57:38,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196503160/18b351f6a4f84291a7b97b65a099f210/FLAG6905db384 [2022-07-13 23:57:38,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196503160/18b351f6a4f84291a7b97b65a099f210 [2022-07-13 23:57:38,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:57:38,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:57:38,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:57:38,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:57:38,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:57:38,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:57:38" (1/1) ... [2022-07-13 23:57:38,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4c1fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:38, skipping insertion in model container [2022-07-13 23:57:38,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:57:38" (1/1) ... [2022-07-13 23:57:38,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:57:39,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:57:42,696 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] [2022-07-13 23:57:42,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:57:42,877 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-13 23:57:42,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:57:43,281 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] [2022-07-13 23:57:43,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:57:43,343 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:57:43,745 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] [2022-07-13 23:57:43,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:57:43,947 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:57:43,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43 WrapperNode [2022-07-13 23:57:43,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:57:43,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:57:43,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:57:43,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:57:43,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:44,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:44,238 INFO L137 Inliner]: procedures = 581, calls = 7123, calls flagged for inlining = 254, calls inlined = 183, statements flattened = 10135 [2022-07-13 23:57:44,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:57:44,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:57:44,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:57:44,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:57:44,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:44,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:44,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:44,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:44,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:44,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:44,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:44,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:57:44,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:57:44,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:57:44,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:57:44,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (1/1) ... [2022-07-13 23:57:44,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:57:44,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:57:44,621 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) [2022-07-13 23:57:44,627 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 [2022-07-13 23:57:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-13 23:57:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-13 23:57:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-13 23:57:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-13 23:57:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-13 23:57:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-13 23:57:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-13 23:57:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-07-13 23:57:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-07-13 23:57:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-13 23:57:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-13 23:57:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-13 23:57:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-13 23:57:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-07-13 23:57:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-07-13 23:57:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:57:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:57:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-07-13 23:57:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-07-13 23:57:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-07-13 23:57:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-07-13 23:57:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-13 23:57:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-13 23:57:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-13 23:57:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-13 23:57:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-07-13 23:57:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-07-13 23:57:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-07-13 23:57:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-07-13 23:57:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-13 23:57:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-13 23:57:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-13 23:57:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-13 23:57:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-13 23:57:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-13 23:57:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-13 23:57:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-13 23:57:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-13 23:57:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-13 23:57:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-13 23:57:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-13 23:57:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-07-13 23:57:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-07-13 23:57:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-13 23:57:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-13 23:57:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-13 23:57:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-13 23:57:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-07-13 23:57:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-07-13 23:57:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-07-13 23:57:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-07-13 23:57:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-13 23:57:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-13 23:57:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-07-13 23:57:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-07-13 23:57:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-13 23:57:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-13 23:57:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-13 23:57:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-07-13 23:57:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-07-13 23:57:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-13 23:57:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-13 23:57:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-13 23:57:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-13 23:57:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:57:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-13 23:57:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-13 23:57:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-07-13 23:57:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-07-13 23:57:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-07-13 23:57:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-07-13 23:57:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 23:57:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-13 23:57:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-13 23:57:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-07-13 23:57:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-07-13 23:57:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-07-13 23:57:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-07-13 23:57:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-13 23:57:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-13 23:57:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-07-13 23:57:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-07-13 23:57:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-07-13 23:57:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-07-13 23:57:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-13 23:57:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-13 23:57:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-07-13 23:57:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-07-13 23:57:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-13 23:57:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-13 23:57:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-13 23:57:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-13 23:57:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-13 23:57:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-13 23:57:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-13 23:57:44,672 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-13 23:57:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-13 23:57:44,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-13 23:57:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-07-13 23:57:44,672 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-07-13 23:57:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-07-13 23:57:44,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-07-13 23:57:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-07-13 23:57:44,672 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-07-13 23:57:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-13 23:57:44,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-13 23:57:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-13 23:57:44,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-13 23:57:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-13 23:57:44,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-13 23:57:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-13 23:57:44,674 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-13 23:57:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-13 23:57:44,677 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-13 23:57:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-07-13 23:57:44,677 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-07-13 23:57:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-07-13 23:57:44,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-07-13 23:57:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-13 23:57:44,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-13 23:57:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-13 23:57:44,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-13 23:57:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-07-13 23:57:44,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-07-13 23:57:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-07-13 23:57:44,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-07-13 23:57:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-13 23:57:44,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-13 23:57:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-13 23:57:44,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-13 23:57:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-13 23:57:44,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-13 23:57:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-07-13 23:57:44,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-07-13 23:57:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:57:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-07-13 23:57:44,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-07-13 23:57:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-07-13 23:57:44,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-07-13 23:57:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-07-13 23:57:44,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-07-13 23:57:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:57:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-13 23:57:44,685 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-13 23:57:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-13 23:57:44,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-13 23:57:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:57:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-13 23:57:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-13 23:57:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-13 23:57:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-13 23:57:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-07-13 23:57:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-07-13 23:57:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-07-13 23:57:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-07-13 23:57:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-13 23:57:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-13 23:57:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-13 23:57:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-13 23:57:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-07-13 23:57:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-07-13 23:57:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-13 23:57:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-13 23:57:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-07-13 23:57:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-07-13 23:57:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-13 23:57:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-13 23:57:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-07-13 23:57:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-07-13 23:57:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-13 23:57:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-13 23:57:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-13 23:57:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-13 23:57:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-07-13 23:57:44,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-07-13 23:57:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-13 23:57:44,688 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-13 23:57:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-13 23:57:44,688 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-13 23:57:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-13 23:57:44,688 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-13 23:57:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-07-13 23:57:44,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-07-13 23:57:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-13 23:57:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:57:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:57:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-07-13 23:57:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-07-13 23:57:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-13 23:57:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-13 23:57:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-07-13 23:57:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-07-13 23:57:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-13 23:57:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-07-13 23:57:44,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-07-13 23:57:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-13 23:57:44,690 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-13 23:57:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-13 23:57:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-07-13 23:57:44,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-07-13 23:57:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 23:57:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:57:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-13 23:57:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:57:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-07-13 23:57:44,691 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-07-13 23:57:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-13 23:57:44,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-13 23:57:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-07-13 23:57:44,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-07-13 23:57:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-13 23:57:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-13 23:57:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-13 23:57:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-13 23:57:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-13 23:57:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-13 23:57:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-07-13 23:57:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-07-13 23:57:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-13 23:57:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-13 23:57:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-13 23:57:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-07-13 23:57:44,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-07-13 23:57:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-07-13 23:57:44,693 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-07-13 23:57:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-07-13 23:57:44,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-07-13 23:57:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:57:44,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:57:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:57:44,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:57:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-13 23:57:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-13 23:57:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-13 23:57:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-13 23:57:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-13 23:57:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-13 23:57:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-07-13 23:57:44,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-07-13 23:57:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-13 23:57:44,696 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-13 23:57:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 23:57:44,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 23:57:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-07-13 23:57:44,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-07-13 23:57:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-13 23:57:44,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-13 23:57:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-13 23:57:44,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-13 23:57:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-13 23:57:44,698 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-13 23:57:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-07-13 23:57:44,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-07-13 23:57:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-13 23:57:44,698 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-13 23:57:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-13 23:57:44,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-13 23:57:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:57:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-13 23:57:44,699 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-13 23:57:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-13 23:57:44,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-13 23:57:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-13 23:57:44,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-13 23:57:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:57:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-07-13 23:57:44,699 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-07-13 23:57:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-07-13 23:57:44,700 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-07-13 23:57:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-13 23:57:44,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-13 23:57:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-13 23:57:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-13 23:57:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-13 23:57:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 23:57:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:57:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-07-13 23:57:44,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-07-13 23:57:44,701 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-13 23:57:44,701 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-13 23:57:44,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-13 23:57:44,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-13 23:57:44,701 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-07-13 23:57:44,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-07-13 23:57:44,701 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-13 23:57:44,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-13 23:57:44,701 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-13 23:57:44,701 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-13 23:57:44,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-13 23:57:44,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-13 23:57:44,702 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-07-13 23:57:44,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-07-13 23:57:44,702 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-13 23:57:44,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-13 23:57:44,702 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-07-13 23:57:44,702 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-07-13 23:57:44,702 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-13 23:57:44,702 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-13 23:57:44,702 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-13 23:57:44,703 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-13 23:57:44,703 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-13 23:57:44,703 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-13 23:57:44,703 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-07-13 23:57:44,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-07-13 23:57:44,703 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-13 23:57:44,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-13 23:57:44,703 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-13 23:57:44,703 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-13 23:57:44,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-13 23:57:44,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-13 23:57:44,704 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-13 23:57:44,704 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-13 23:57:44,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-13 23:57:44,704 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-13 23:57:44,704 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-07-13 23:57:44,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-07-13 23:57:44,704 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-13 23:57:44,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-13 23:57:44,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-13 23:57:44,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-13 23:57:44,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-13 23:57:44,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-13 23:57:44,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:57:44,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:57:44,705 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-07-13 23:57:44,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-07-13 23:57:44,705 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-13 23:57:44,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-13 23:57:44,705 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-13 23:57:44,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-13 23:57:44,705 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-07-13 23:57:44,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-07-13 23:57:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-07-13 23:57:44,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-07-13 23:57:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-13 23:57:44,706 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-13 23:57:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-07-13 23:57:44,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-07-13 23:57:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-13 23:57:44,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-13 23:57:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-07-13 23:57:44,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-07-13 23:57:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-07-13 23:57:44,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-07-13 23:57:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-07-13 23:57:44,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-07-13 23:57:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-13 23:57:44,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-13 23:57:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-13 23:57:44,707 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-13 23:57:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-07-13 23:57:44,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-07-13 23:57:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-07-13 23:57:44,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-07-13 23:57:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-13 23:57:44,708 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-13 23:57:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-07-13 23:57:44,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-07-13 23:57:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-07-13 23:57:44,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-07-13 23:57:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-13 23:57:44,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-13 23:57:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-13 23:57:44,708 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-13 23:57:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-07-13 23:57:44,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-07-13 23:57:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-07-13 23:57:44,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-07-13 23:57:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-13 23:57:44,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-13 23:57:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-07-13 23:57:44,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-07-13 23:57:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-13 23:57:44,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-13 23:57:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-07-13 23:57:44,710 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-07-13 23:57:45,592 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:57:45,594 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:00:00,545 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:00:00,566 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:00:00,567 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:00:00,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:00:00 BoogieIcfgContainer [2022-07-14 00:00:00,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:00:00,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:00:00,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:00:00,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:00:00,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:57:38" (1/3) ... [2022-07-14 00:00:00,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d608a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:00:00, skipping insertion in model container [2022-07-14 00:00:00,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:57:43" (2/3) ... [2022-07-14 00:00:00,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d608a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:00:00, skipping insertion in model container [2022-07-14 00:00:00,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:00:00" (3/3) ... [2022-07-14 00:00:00,578 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-07-14 00:00:00,597 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:00:00,597 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:00:00,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:00:00,687 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@16159f20, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3cdf5184 [2022-07-14 00:00:00,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:00:00,696 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) [2022-07-14 00:00:00,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-14 00:00:00,701 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:00:00,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:00:00,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:00:00,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:00:00,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1635148979, now seen corresponding path program 1 times [2022-07-14 00:00:00,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:00:00,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646753437] [2022-07-14 00:00:00,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:00:00,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:00:00,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:00:00,723 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) [2022-07-14 00:00:00,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:00:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:00:03,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 4214 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:00:03,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:00:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:00:03,547 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:00:03,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:00:03,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646753437] [2022-07-14 00:00:03,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646753437] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:00:03,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:00:03,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:00:03,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349893615] [2022-07-14 00:00:03,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:00:03,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:00:03,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:00:03,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:00:03,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:00:03,585 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) [2022-07-14 00:00:04,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:00:04,343 INFO L93 Difference]: Finished difference Result 6228 states and 8956 transitions. [2022-07-14 00:00:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:00:04,346 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 [2022-07-14 00:00:04,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:00:04,379 INFO L225 Difference]: With dead ends: 6228 [2022-07-14 00:00:04,380 INFO L226 Difference]: Without dead ends: 3104 [2022-07-14 00:00:04,399 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 [2022-07-14 00:00:04,403 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 [2022-07-14 00:00:04,405 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] [2022-07-14 00:00:04,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2022-07-14 00:00:04,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 3104. [2022-07-14 00:00:04,542 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) [2022-07-14 00:00:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 4423 transitions. [2022-07-14 00:00:04,566 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 4423 transitions. Word has length 17 [2022-07-14 00:00:04,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:00:04,567 INFO L495 AbstractCegarLoop]: Abstraction has 3104 states and 4423 transitions. [2022-07-14 00:00:04,567 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) [2022-07-14 00:00:04,568 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 4423 transitions. [2022-07-14 00:00:04,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-14 00:00:04,568 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:00:04,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:00:04,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:00:04,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:00:04,788 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:00:04,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:00:04,788 INFO L85 PathProgramCache]: Analyzing trace with hash 847662603, now seen corresponding path program 1 times [2022-07-14 00:00:04,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:00:04,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608271865] [2022-07-14 00:00:04,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:00:04,792 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:00:04,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:00:04,794 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) [2022-07-14 00:00:04,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:00:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:00:07,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 4215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:00:07,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:00:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:00:07,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:00:07,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:00:07,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608271865] [2022-07-14 00:00:07,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [608271865] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:00:07,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:00:07,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:00:07,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670752813] [2022-07-14 00:00:07,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:00:07,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:00:07,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:00:07,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:00:07,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:00:07,817 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) [2022-07-14 00:00:08,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:00:08,502 INFO L93 Difference]: Finished difference Result 3390 states and 4822 transitions. [2022-07-14 00:00:08,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:00:08,503 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 [2022-07-14 00:00:08,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:00:08,527 INFO L225 Difference]: With dead ends: 3390 [2022-07-14 00:00:08,527 INFO L226 Difference]: Without dead ends: 3386 [2022-07-14 00:00:08,532 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 [2022-07-14 00:00:08,534 INFO L413 NwaCegarLoop]: 4578 mSDtfsCounter, 4043 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:00:08,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4043 Valid, 5335 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 00:00:08,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2022-07-14 00:00:08,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3384. [2022-07-14 00:00:08,656 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) [2022-07-14 00:00:08,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 3384 states and 4816 transitions. [2022-07-14 00:00:08,683 INFO L78 Accepts]: Start accepts. Automaton has 3384 states and 4816 transitions. Word has length 18 [2022-07-14 00:00:08,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:00:08,684 INFO L495 AbstractCegarLoop]: Abstraction has 3384 states and 4816 transitions. [2022-07-14 00:00:08,684 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) [2022-07-14 00:00:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 4816 transitions. [2022-07-14 00:00:08,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-14 00:00:08,685 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:00:08,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:00:08,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:00:08,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:00:08,900 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:00:08,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:00:08,900 INFO L85 PathProgramCache]: Analyzing trace with hash 505415184, now seen corresponding path program 1 times [2022-07-14 00:00:08,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:00:08,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083697238] [2022-07-14 00:00:08,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:00:08,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:00:08,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:00:08,924 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) [2022-07-14 00:00:08,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:00:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:00:11,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 4216 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:00:11,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:00:12,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 00:00:12,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:00:12,161 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:00:12,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083697238] [2022-07-14 00:00:12,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083697238] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:00:12,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:00:12,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:00:12,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572753425] [2022-07-14 00:00:12,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:00:12,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:00:12,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:00:12,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:00:12,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:00:12,162 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) [2022-07-14 00:00:12,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:00:12,715 INFO L93 Difference]: Finished difference Result 3386 states and 4817 transitions. [2022-07-14 00:00:12,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:00:12,799 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 [2022-07-14 00:00:12,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:00:12,826 INFO L225 Difference]: With dead ends: 3386 [2022-07-14 00:00:12,827 INFO L226 Difference]: Without dead ends: 3375 [2022-07-14 00:00:12,831 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 [2022-07-14 00:00:12,834 INFO L413 NwaCegarLoop]: 4417 mSDtfsCounter, 4401 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:00:12,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4401 Valid, 4419 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 00:00:12,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3375 states. [2022-07-14 00:00:12,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3375 to 3375. [2022-07-14 00:00:12,967 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) [2022-07-14 00:00:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4801 transitions. [2022-07-14 00:00:12,993 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4801 transitions. Word has length 19 [2022-07-14 00:00:12,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:00:12,993 INFO L495 AbstractCegarLoop]: Abstraction has 3375 states and 4801 transitions. [2022-07-14 00:00:12,994 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) [2022-07-14 00:00:12,994 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4801 transitions. [2022-07-14 00:00:13,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-14 00:00:13,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:00:13,009 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] [2022-07-14 00:00:13,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-14 00:00:13,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:00:13,224 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:00:13,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:00:13,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1260089886, now seen corresponding path program 1 times [2022-07-14 00:00:13,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:00:13,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078008753] [2022-07-14 00:00:13,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:00:13,236 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:00:13,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:00:13,252 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) [2022-07-14 00:00:13,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 00:00:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:00:16,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 4459 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 00:00:16,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:00:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-14 00:00:16,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:00:16,584 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:00:16,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078008753] [2022-07-14 00:00:16,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078008753] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:00:16,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:00:16,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:00:16,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518797692] [2022-07-14 00:00:16,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:00:16,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:00:16,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:00:16,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:00:16,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 00:00:16,586 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) [2022-07-14 00:00:17,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:00:17,581 INFO L93 Difference]: Finished difference Result 6745 states and 9674 transitions. [2022-07-14 00:00:17,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 00:00:17,582 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 [2022-07-14 00:00:17,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:00:17,605 INFO L225 Difference]: With dead ends: 6745 [2022-07-14 00:00:17,605 INFO L226 Difference]: Without dead ends: 3379 [2022-07-14 00:00:17,621 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 [2022-07-14 00:00:17,623 INFO L413 NwaCegarLoop]: 4400 mSDtfsCounter, 2 mSDsluCounter, 8780 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:00:17,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13180 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 00:00:17,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2022-07-14 00:00:17,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 3379. [2022-07-14 00:00:17,731 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) [2022-07-14 00:00:17,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 3379 states and 4807 transitions. [2022-07-14 00:00:17,750 INFO L78 Accepts]: Start accepts. Automaton has 3379 states and 4807 transitions. Word has length 78 [2022-07-14 00:00:17,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:00:17,751 INFO L495 AbstractCegarLoop]: Abstraction has 3379 states and 4807 transitions. [2022-07-14 00:00:17,752 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) [2022-07-14 00:00:17,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3379 states and 4807 transitions. [2022-07-14 00:00:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-14 00:00:17,756 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:00:17,756 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] [2022-07-14 00:00:17,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 00:00:17,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:00:17,975 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:00:17,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:00:17,976 INFO L85 PathProgramCache]: Analyzing trace with hash 530895906, now seen corresponding path program 1 times [2022-07-14 00:00:17,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:00:17,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563800334] [2022-07-14 00:00:17,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:00:17,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:00:17,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:00:17,988 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) [2022-07-14 00:00:17,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 00:00:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:00:20,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 4470 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:00:20,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:00:21,391 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-14 00:00:21,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:00:22,646 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-14 00:00:22,646 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:00:22,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563800334] [2022-07-14 00:00:22,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [563800334] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:00:22,647 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:00:22,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-14 00:00:22,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069967825] [2022-07-14 00:00:22,647 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:00:22,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:00:22,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:00:22,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:00:22,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:00:22,649 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) [2022-07-14 00:00:26,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:00:26,508 INFO L93 Difference]: Finished difference Result 6761 states and 9704 transitions. [2022-07-14 00:00:26,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 00:00:26,509 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 [2022-07-14 00:00:26,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:00:26,533 INFO L225 Difference]: With dead ends: 6761 [2022-07-14 00:00:26,534 INFO L226 Difference]: Without dead ends: 3391 [2022-07-14 00:00:26,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:00:26,554 INFO L413 NwaCegarLoop]: 4391 mSDtfsCounter, 18 mSDsluCounter, 13138 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 17529 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:00:26,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 17529 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 00:00:26,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2022-07-14 00:00:26,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3389. [2022-07-14 00:00:26,793 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) [2022-07-14 00:00:26,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 4822 transitions. [2022-07-14 00:00:26,809 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 4822 transitions. Word has length 79 [2022-07-14 00:00:26,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:00:26,811 INFO L495 AbstractCegarLoop]: Abstraction has 3389 states and 4822 transitions. [2022-07-14 00:00:26,812 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) [2022-07-14 00:00:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 4822 transitions. [2022-07-14 00:00:26,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-14 00:00:26,817 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:00:26,817 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] [2022-07-14 00:00:26,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-14 00:00:27,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:00:27,039 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:00:27,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:00:27,040 INFO L85 PathProgramCache]: Analyzing trace with hash -748301538, now seen corresponding path program 2 times [2022-07-14 00:00:27,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:00:27,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393830279] [2022-07-14 00:00:27,047 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:00:27,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:00:27,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:00:27,048 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) [2022-07-14 00:00:27,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 00:00:29,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:00:29,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:00:29,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 4370 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:00:29,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:00:31,280 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-14 00:00:31,280 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:00:31,281 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:00:31,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393830279] [2022-07-14 00:00:31,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393830279] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:00:31,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:00:31,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:00:31,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962224279] [2022-07-14 00:00:31,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:00:31,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:00:31,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:00:31,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:00:31,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:00:31,282 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) [2022-07-14 00:00:31,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:00:31,922 INFO L93 Difference]: Finished difference Result 3389 states and 4822 transitions. [2022-07-14 00:00:31,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:00:31,922 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 [2022-07-14 00:00:31,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:00:31,924 INFO L225 Difference]: With dead ends: 3389 [2022-07-14 00:00:31,924 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 00:00:31,935 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 [2022-07-14 00:00:31,937 INFO L413 NwaCegarLoop]: 4698 mSDtfsCounter, 723 mSDsluCounter, 4039 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:00:31,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 8737 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 00:00:31,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 00:00:31,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 00:00:31,940 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) [2022-07-14 00:00:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 00:00:31,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2022-07-14 00:00:31,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:00:31,941 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 00:00:31,941 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) [2022-07-14 00:00:31,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 00:00:31,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 00:00:31,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-14 00:00:32,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 00:00:32,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:00:32,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.