./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.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 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:07:26,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:07:26,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:07:26,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:07:26,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:07:26,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:07:26,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:07:26,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:07:26,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:07:26,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:07:26,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:07:26,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:07:26,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:07:26,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:07:26,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:07:26,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:07:26,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:07:26,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:07:26,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:07:26,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:07:26,821 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:07:26,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:07:26,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:07:26,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:07:26,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:07:26,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:07:26,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:07:26,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:07:26,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:07:26,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:07:26,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:07:26,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:07:26,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:07:26,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:07:26,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:07:26,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:07:26,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:07:26,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:07:26,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:07:26,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:07:26,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:07:26,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:07:26,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:07:26,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:07:26,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:07:26,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:07:26,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:07:26,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:07:26,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:07:26,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:07:26,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:07:26,893 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:07:26,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:07:26,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:07:26,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:07:26,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:07:26,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:07:26,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:07:26,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:07:26,895 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:07:26,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:07:26,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:07:26,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:07:26,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:07:26,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:07:26,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:07:26,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:07:26,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:07:26,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:07:26,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:07:26,897 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:07:26,897 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:07:26,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:07:26,897 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 [2022-07-21 11:07:27,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:07:27,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:07:27,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:07:27,218 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:07:27,219 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:07:27,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-07-21 11:07:27,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818489591/63aab9350c0042dd900f1fb247068994/FLAGbd0014d14 [2022-07-21 11:07:28,004 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:07:28,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-07-21 11:07:28,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818489591/63aab9350c0042dd900f1fb247068994/FLAGbd0014d14 [2022-07-21 11:07:28,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818489591/63aab9350c0042dd900f1fb247068994 [2022-07-21 11:07:28,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:07:28,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:07:28,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:07:28,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:07:28,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:07:28,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:07:28" (1/1) ... [2022-07-21 11:07:28,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d8c787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:28, skipping insertion in model container [2022-07-21 11:07:28,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:07:28" (1/1) ... [2022-07-21 11:07:28,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:07:28,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:07:30,140 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2022-07-21 11:07:32,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:07:32,909 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:07:33,096 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2022-07-21 11:07:33,136 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 11:07:33,142 INFO L158 Benchmark]: Toolchain (without parser) took 4617.22ms. Allocated memory was 67.1MB in the beginning and 134.2MB in the end (delta: 67.1MB). Free memory was 38.8MB in the beginning and 37.0MB in the end (delta: 1.7MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2022-07-21 11:07:33,143 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 31.9MB in the beginning and 31.8MB in the end (delta: 43.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:07:33,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4614.82ms. Allocated memory was 67.1MB in the beginning and 134.2MB in the end (delta: 67.1MB). Free memory was 38.6MB in the beginning and 37.0MB in the end (delta: 1.6MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2022-07-21 11:07:33,179 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 31.9MB in the beginning and 31.8MB in the end (delta: 43.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4614.82ms. Allocated memory was 67.1MB in the beginning and 134.2MB in the end (delta: 67.1MB). Free memory was 38.6MB in the beginning and 37.0MB in the end (delta: 1.6MB). Peak memory consumption was 72.7MB. 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.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 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:07:34,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:07:34,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:07:34,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:07:34,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:07:34,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:07:34,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:07:34,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:07:34,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:07:34,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:07:34,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:07:34,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:07:34,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:07:34,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:07:34,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:07:34,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:07:34,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:07:34,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:07:34,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:07:34,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:07:34,834 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:07:34,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:07:34,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:07:34,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:07:34,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:07:34,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:07:34,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:07:34,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:07:34,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:07:34,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:07:34,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:07:34,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:07:34,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:07:34,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:07:34,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:07:34,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:07:34,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:07:34,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:07:34,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:07:34,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:07:34,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:07:34,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:07:34,855 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:07:34,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:07:34,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:07:34,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:07:34,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:07:34,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:07:34,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:07:34,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:07:34,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:07:34,883 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:07:34,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:07:34,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:07:34,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:07:34,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:07:34,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:07:34,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:07:34,885 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:07:34,885 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:07:34,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:07:34,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:07:34,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:07:34,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:07:34,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:07:34,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:07:34,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:07:34,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:07:34,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:07:34,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:07:34,887 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:07:34,887 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:07:34,887 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:07:34,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:07:34,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:07:34,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:07:34,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 [2022-07-21 11:07:35,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:07:35,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:07:35,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:07:35,187 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:07:35,188 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:07:35,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-07-21 11:07:35,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80b362aa3/948076f0cc8d4e1a97b8bd386d0fa404/FLAG187b748f1 [2022-07-21 11:07:35,923 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:07:35,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-07-21 11:07:35,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80b362aa3/948076f0cc8d4e1a97b8bd386d0fa404/FLAG187b748f1 [2022-07-21 11:07:36,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80b362aa3/948076f0cc8d4e1a97b8bd386d0fa404 [2022-07-21 11:07:36,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:07:36,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:07:36,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:07:36,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:07:36,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:07:36,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:07:36" (1/1) ... [2022-07-21 11:07:36,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f3c9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:36, skipping insertion in model container [2022-07-21 11:07:36,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:07:36" (1/1) ... [2022-07-21 11:07:36,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:07:36,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:07:38,235 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2022-07-21 11:07:40,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:07:40,965 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 11:07:41,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:07:41,105 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2022-07-21 11:07:41,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:07:41,420 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:07:41,555 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2022-07-21 11:07:41,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:07:42,141 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:07:42,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:42 WrapperNode [2022-07-21 11:07:42,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:07:42,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:07:42,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:07:42,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:07:42,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:42" (1/1) ... [2022-07-21 11:07:42,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:42" (1/1) ... [2022-07-21 11:07:42,624 INFO L137 Inliner]: procedures = 611, calls = 7256, calls flagged for inlining = 272, calls inlined = 259, statements flattened = 14388 [2022-07-21 11:07:42,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:07:42,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:07:42,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:07:42,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:07:42,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:42" (1/1) ... [2022-07-21 11:07:42,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:42" (1/1) ... [2022-07-21 11:07:42,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:42" (1/1) ... [2022-07-21 11:07:42,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:42" (1/1) ... [2022-07-21 11:07:42,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:42" (1/1) ... [2022-07-21 11:07:42,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:42" (1/1) ... [2022-07-21 11:07:43,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:42" (1/1) ... [2022-07-21 11:07:43,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:07:43,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:07:43,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:07:43,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:07:43,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:42" (1/1) ... [2022-07-21 11:07:43,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:07:43,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:07:43,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:07:43,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:07:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 11:07:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 11:07:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-21 11:07:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-21 11:07:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-21 11:07:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-07-21 11:07:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-07-21 11:07:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-21 11:07:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-21 11:07:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-21 11:07:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-21 11:07:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-07-21 11:07:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-07-21 11:07:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:07:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:07:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-07-21 11:07:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-07-21 11:07:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-07-21 11:07:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-07-21 11:07:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-07-21 11:07:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-07-21 11:07:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-21 11:07:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-21 11:07:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-21 11:07:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-21 11:07:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 11:07:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 11:07:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-07-21 11:07:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-07-21 11:07:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-07-21 11:07:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-07-21 11:07:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-07-21 11:07:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-07-21 11:07:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 11:07:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 11:07:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-21 11:07:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-21 11:07:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 11:07:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 11:07:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-21 11:07:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-21 11:07:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 11:07:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 11:07:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-07-21 11:07:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-07-21 11:07:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-07-21 11:07:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-07-21 11:07:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:07:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:07:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-21 11:07:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-21 11:07:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-07-21 11:07:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-07-21 11:07:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-07-21 11:07:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-07-21 11:07:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-07-21 11:07:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-07-21 11:07:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-07-21 11:07:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-07-21 11:07:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-07-21 11:07:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-07-21 11:07:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 11:07:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 11:07:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-07-21 11:07:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-07-21 11:07:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 11:07:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 11:07:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 11:07:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 11:07:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_14 [2022-07-21 11:07:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_14 [2022-07-21 11:07:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-07-21 11:07:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-07-21 11:07:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 11:07:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 11:07:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-21 11:07:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-07-21 11:07:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-07-21 11:07:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-07-21 11:07:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-07-21 11:07:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 11:07:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 11:07:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-21 11:07:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-21 11:07:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:07:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 11:07:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 11:07:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-07-21 11:07:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-07-21 11:07:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-07-21 11:07:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-07-21 11:07:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-07-21 11:07:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-07-21 11:07:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 11:07:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 11:07:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-07-21 11:07:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-07-21 11:07:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 11:07:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-07-21 11:07:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-07-21 11:07:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-07-21 11:07:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-07-21 11:07:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-21 11:07:43,239 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-21 11:07:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-07-21 11:07:43,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-07-21 11:07:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-07-21 11:07:43,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-07-21 11:07:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-21 11:07:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-07-21 11:07:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 11:07:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 11:07:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-07-21 11:07:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-07-21 11:07:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 11:07:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 11:07:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-07-21 11:07:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-07-21 11:07:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-21 11:07:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-21 11:07:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-07-21 11:07:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-07-21 11:07:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-21 11:07:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-21 11:07:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 11:07:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 11:07:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 11:07:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 11:07:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-07-21 11:07:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-07-21 11:07:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-07-21 11:07:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-07-21 11:07:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-07-21 11:07:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-07-21 11:07:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-07-21 11:07:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-07-21 11:07:43,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 11:07:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 11:07:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 11:07:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 11:07:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-21 11:07:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-21 11:07:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-07-21 11:07:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-07-21 11:07:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:07:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:07:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 11:07:43,252 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 11:07:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-07-21 11:07:43,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-07-21 11:07:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-07-21 11:07:43,252 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-07-21 11:07:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-07-21 11:07:43,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-07-21 11:07:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-21 11:07:43,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-21 11:07:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-21 11:07:43,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-21 11:07:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-07-21 11:07:43,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-07-21 11:07:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-07-21 11:07:43,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-07-21 11:07:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 11:07:43,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 11:07:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 11:07:43,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 11:07:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-21 11:07:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-07-21 11:07:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-07-21 11:07:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-07-21 11:07:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-07-21 11:07:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-07-21 11:07:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-07-21 11:07:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:07:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-07-21 11:07:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-07-21 11:07:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-07-21 11:07:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-07-21 11:07:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-07-21 11:07:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-07-21 11:07:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:07:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 11:07:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 11:07:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-07-21 11:07:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-07-21 11:07:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 11:07:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 11:07:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:07:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 11:07:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 11:07:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 11:07:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 11:07:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-07-21 11:07:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-07-21 11:07:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-07-21 11:07:43,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-07-21 11:07:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-07-21 11:07:43,257 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-07-21 11:07:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 11:07:43,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 11:07:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-07-21 11:07:43,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-07-21 11:07:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 11:07:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 11:07:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-07-21 11:07:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-07-21 11:07:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-07-21 11:07:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-07-21 11:07:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 11:07:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 11:07:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-07-21 11:07:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-07-21 11:07:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 11:07:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 11:07:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-07-21 11:07:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-07-21 11:07:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 11:07:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 11:07:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 11:07:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 11:07:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-21 11:07:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-21 11:07:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-07-21 11:07:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-07-21 11:07:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-07-21 11:07:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-07-21 11:07:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-21 11:07:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-21 11:07:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-07-21 11:07:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-07-21 11:07:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 11:07:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 11:07:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 11:07:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 11:07:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 11:07:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-07-21 11:07:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-07-21 11:07:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:07:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:07:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-07-21 11:07:43,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-07-21 11:07:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 11:07:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 11:07:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-07-21 11:07:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-07-21 11:07:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 11:07:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-07-21 11:07:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-07-21 11:07:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 11:07:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 11:07:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 11:07:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-07-21 11:07:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-07-21 11:07:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 11:07:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:07:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 11:07:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:07:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:07:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:07:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-07-21 11:07:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-07-21 11:07:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-21 11:07:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-21 11:07:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-07-21 11:07:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-07-21 11:07:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-21 11:07:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-21 11:07:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 11:07:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 11:07:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 11:07:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 11:07:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-07-21 11:07:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-07-21 11:07:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 11:07:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-07-21 11:07:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-07-21 11:07:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 11:07:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 11:07:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-07-21 11:07:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-07-21 11:07:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-07-21 11:07:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-07-21 11:07:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-07-21 11:07:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-07-21 11:07:43,271 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-07-21 11:07:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-07-21 11:07:43,271 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-07-21 11:07:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-07-21 11:07:43,271 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:07:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:07:43,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:07:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:07:43,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-07-21 11:07:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-07-21 11:07:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-21 11:07:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-21 11:07:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 11:07:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 11:07:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-21 11:07:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-21 11:07:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-07-21 11:07:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-07-21 11:07:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 11:07:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 11:07:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:07:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:07:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-07-21 11:07:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-07-21 11:07:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-07-21 11:07:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-07-21 11:07:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:07:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:07:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-07-21 11:07:43,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-07-21 11:07:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 11:07:43,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 11:07:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-07-21 11:07:43,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-07-21 11:07:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-07-21 11:07:43,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-07-21 11:07:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 11:07:43,274 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 11:07:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-07-21 11:07:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-07-21 11:07:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 11:07:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 11:07:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-07-21 11:07:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-07-21 11:07:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:07:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 11:07:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 11:07:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-07-21 11:07:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-07-21 11:07:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 11:07:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 11:07:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-07-21 11:07:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-07-21 11:07:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 11:07:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 11:07:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-07-21 11:07:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-07-21 11:07:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-07-21 11:07:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-07-21 11:07:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:07:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-07-21 11:07:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-07-21 11:07:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-21 11:07:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-21 11:07:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-07-21 11:07:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-07-21 11:07:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-07-21 11:07:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-07-21 11:07:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-07-21 11:07:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-07-21 11:07:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-21 11:07:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-21 11:07:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 11:07:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 11:07:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 11:07:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 11:07:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:07:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-07-21 11:07:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-07-21 11:07:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-07-21 11:07:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-07-21 11:07:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 11:07:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 11:07:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-21 11:07:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-21 11:07:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-07-21 11:07:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-07-21 11:07:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:07:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:07:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 11:07:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 11:07:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 11:07:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 11:07:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-07-21 11:07:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-07-21 11:07:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:07:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:07:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-07-21 11:07:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-07-21 11:07:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-21 11:07:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-21 11:07:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-07-21 11:07:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-07-21 11:07:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-07-21 11:07:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-07-21 11:07:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 11:07:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 11:07:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 11:07:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 11:07:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 11:07:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 11:07:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-07-21 11:07:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-07-21 11:07:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 11:07:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 11:07:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-21 11:07:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-21 11:07:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-07-21 11:07:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-07-21 11:07:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-21 11:07:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-21 11:07:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 11:07:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 11:07:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 11:07:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 11:07:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 11:07:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 11:07:43,286 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-07-21 11:07:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-07-21 11:07:43,286 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:07:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:07:43,286 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-07-21 11:07:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-07-21 11:07:43,286 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-07-21 11:07:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-07-21 11:07:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-21 11:07:43,287 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-21 11:07:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 11:07:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 11:07:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 11:07:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 11:07:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-21 11:07:43,287 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-21 11:07:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:07:43,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:07:43,288 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-07-21 11:07:43,288 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-07-21 11:07:43,288 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-07-21 11:07:43,288 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-07-21 11:07:43,288 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-07-21 11:07:43,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-07-21 11:07:43,288 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 11:07:43,288 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 11:07:43,288 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 11:07:43,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 11:07:43,289 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-07-21 11:07:43,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-07-21 11:07:43,289 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-07-21 11:07:43,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-07-21 11:07:43,289 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 11:07:43,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 11:07:43,289 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-07-21 11:07:43,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-07-21 11:07:43,289 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-07-21 11:07:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-07-21 11:07:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 11:07:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 11:07:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-07-21 11:07:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-07-21 11:07:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-07-21 11:07:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-07-21 11:07:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 11:07:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 11:07:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-07-21 11:07:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-07-21 11:07:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-07-21 11:07:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-07-21 11:07:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-21 11:07:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-21 11:07:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 11:07:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 11:07:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-07-21 11:07:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-07-21 11:07:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-07-21 11:07:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-07-21 11:07:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-07-21 11:07:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-07-21 11:07:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-07-21 11:07:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-07-21 11:07:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-07-21 11:07:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-07-21 11:07:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-21 11:07:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-21 11:07:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-07-21 11:07:43,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-07-21 11:07:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-07-21 11:07:43,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-07-21 11:07:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-07-21 11:07:43,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-07-21 11:07:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-07-21 11:07:43,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-07-21 11:07:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 11:07:43,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 11:07:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 11:07:43,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 11:07:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-07-21 11:07:43,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-07-21 11:07:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-07-21 11:07:43,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-07-21 11:07:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-07-21 11:07:43,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-07-21 11:07:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-21 11:07:43,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-21 11:07:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-07-21 11:07:43,295 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-07-21 11:07:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-07-21 11:07:43,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-07-21 11:07:44,542 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:07:44,547 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:07:44,706 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:10:57,195 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:10:57,219 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:10:57,219 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-21 11:10:57,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:10:57 BoogieIcfgContainer [2022-07-21 11:10:57,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:10:57,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:10:57,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:10:57,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:10:57,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:07:36" (1/3) ... [2022-07-21 11:10:57,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d84dcf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:10:57, skipping insertion in model container [2022-07-21 11:10:57,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:07:42" (2/3) ... [2022-07-21 11:10:57,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d84dcf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:10:57, skipping insertion in model container [2022-07-21 11:10:57,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:10:57" (3/3) ... [2022-07-21 11:10:57,241 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-07-21 11:10:57,252 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:10:57,252 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:10:57,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:10:57,363 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@3b22599c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@ac142d6 [2022-07-21 11:10:57,364 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:10:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 4909 states, 3479 states have (on average 1.3779821787870077) internal successors, (4794), 3552 states have internal predecessors, (4794), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) [2022-07-21 11:10:57,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-07-21 11:10:57,390 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:10:57,391 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:10:57,391 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:10:57,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:10:57,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1818411351, now seen corresponding path program 1 times [2022-07-21 11:10:57,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:10:57,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136168440] [2022-07-21 11:10:57,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:10:57,414 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:10:57,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:10:57,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:10:57,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 11:10:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:00,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 4522 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:11:00,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:11:00,328 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-21 11:11:00,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:11:00,331 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:11:00,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1136168440] [2022-07-21 11:11:00,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1136168440] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:11:00,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:11:00,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:11:00,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891857940] [2022-07-21 11:11:00,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:11:00,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:11:00,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:11:00,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:11:00,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:11:00,370 INFO L87 Difference]: Start difference. First operand has 4909 states, 3479 states have (on average 1.3779821787870077) internal successors, (4794), 3552 states have internal predecessors, (4794), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 11:11:01,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:11:01,863 INFO L93 Difference]: Finished difference Result 9816 states and 14598 transitions. [2022-07-21 11:11:01,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:11:01,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2022-07-21 11:11:01,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:11:01,913 INFO L225 Difference]: With dead ends: 9816 [2022-07-21 11:11:01,913 INFO L226 Difference]: Without dead ends: 4885 [2022-07-21 11:11:01,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:11:01,955 INFO L413 NwaCegarLoop]: 7160 mSDtfsCounter, 2 mSDsluCounter, 14280 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21440 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:11:01,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21440 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 11:11:01,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2022-07-21 11:11:02,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4885. [2022-07-21 11:11:02,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4885 states, 3466 states have (on average 1.3716099249855742) internal successors, (4754), 3528 states have internal predecessors, (4754), 1186 states have call successors, (1186), 232 states have call predecessors, (1186), 232 states have return successors, (1189), 1170 states have call predecessors, (1189), 1185 states have call successors, (1189) [2022-07-21 11:11:02,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 7129 transitions. [2022-07-21 11:11:02,191 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 7129 transitions. Word has length 76 [2022-07-21 11:11:02,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:11:02,192 INFO L495 AbstractCegarLoop]: Abstraction has 4885 states and 7129 transitions. [2022-07-21 11:11:02,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 11:11:02,192 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 7129 transitions. [2022-07-21 11:11:02,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-21 11:11:02,195 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:11:02,196 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:11:02,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:11:02,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:11:02,414 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:11:02,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:11:02,414 INFO L85 PathProgramCache]: Analyzing trace with hash 291205027, now seen corresponding path program 1 times [2022-07-21 11:11:02,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:11:02,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566301753] [2022-07-21 11:11:02,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:11:02,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:11:02,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:11:02,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:11:02,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 11:11:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:05,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 4588 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:11:05,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:11:05,515 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-07-21 11:11:05,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:11:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-07-21 11:11:06,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:11:06,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566301753] [2022-07-21 11:11:06,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566301753] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:11:06,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:11:06,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-21 11:11:06,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209661799] [2022-07-21 11:11:06,652 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:11:06,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:11:06,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:11:06,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:11:06,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:11:06,654 INFO L87 Difference]: Start difference. First operand 4885 states and 7129 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 11:11:11,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:11:11,314 INFO L93 Difference]: Finished difference Result 9773 states and 14454 transitions. [2022-07-21 11:11:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 11:11:11,315 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 82 [2022-07-21 11:11:11,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:11:11,347 INFO L225 Difference]: With dead ends: 9773 [2022-07-21 11:11:11,348 INFO L226 Difference]: Without dead ends: 4899 [2022-07-21 11:11:11,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:11:11,369 INFO L413 NwaCegarLoop]: 7087 mSDtfsCounter, 16 mSDsluCounter, 14161 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 21248 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:11:11,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 21248 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-21 11:11:11,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4899 states. [2022-07-21 11:11:11,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4899 to 4899. [2022-07-21 11:11:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4899 states, 3478 states have (on average 1.372340425531915) internal successors, (4773), 3540 states have internal predecessors, (4773), 1186 states have call successors, (1186), 234 states have call predecessors, (1186), 234 states have return successors, (1195), 1170 states have call predecessors, (1195), 1185 states have call successors, (1195) [2022-07-21 11:11:11,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4899 states to 4899 states and 7154 transitions. [2022-07-21 11:11:11,517 INFO L78 Accepts]: Start accepts. Automaton has 4899 states and 7154 transitions. Word has length 82 [2022-07-21 11:11:11,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:11:11,517 INFO L495 AbstractCegarLoop]: Abstraction has 4899 states and 7154 transitions. [2022-07-21 11:11:11,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 11:11:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 4899 states and 7154 transitions. [2022-07-21 11:11:11,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-21 11:11:11,520 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:11:11,521 INFO L195 NwaCegarLoop]: trace histogram [16, 6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:11:11,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:11:11,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:11:11,751 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:11:11,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:11:11,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1720531369, now seen corresponding path program 2 times [2022-07-21 11:11:11,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:11:11,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430593899] [2022-07-21 11:11:11,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:11:11,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:11:11,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:11:11,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:11:11,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 11:11:14,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:11:14,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:11:14,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 4398 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:11:14,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:11:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-07-21 11:11:14,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:11:14,594 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:11:14,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430593899] [2022-07-21 11:11:14,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430593899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:11:14,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:11:14,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:11:14,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146571828] [2022-07-21 11:11:14,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:11:14,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:11:14,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:11:14,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:11:14,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:11:14,595 INFO L87 Difference]: Start difference. First operand 4899 states and 7154 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-21 11:11:15,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:11:15,296 INFO L93 Difference]: Finished difference Result 14621 states and 21360 transitions. [2022-07-21 11:11:15,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:11:15,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2022-07-21 11:11:15,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:11:15,353 INFO L225 Difference]: With dead ends: 14621 [2022-07-21 11:11:15,353 INFO L226 Difference]: Without dead ends: 9744 [2022-07-21 11:11:15,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:11:15,382 INFO L413 NwaCegarLoop]: 8301 mSDtfsCounter, 7040 mSDsluCounter, 7108 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7040 SdHoareTripleChecker+Valid, 15409 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:11:15,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7040 Valid, 15409 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 11:11:15,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9744 states. [2022-07-21 11:11:15,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9744 to 9744. [2022-07-21 11:11:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9744 states, 6921 states have (on average 1.3736454269614218) internal successors, (9507), 7045 states have internal predecessors, (9507), 2354 states have call successors, (2354), 467 states have call predecessors, (2354), 468 states have return successors, (2373), 2323 states have call predecessors, (2373), 2353 states have call successors, (2373) [2022-07-21 11:11:15,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9744 states to 9744 states and 14234 transitions. [2022-07-21 11:11:15,770 INFO L78 Accepts]: Start accepts. Automaton has 9744 states and 14234 transitions. Word has length 92 [2022-07-21 11:11:15,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:11:15,771 INFO L495 AbstractCegarLoop]: Abstraction has 9744 states and 14234 transitions. [2022-07-21 11:11:15,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-21 11:11:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 9744 states and 14234 transitions. [2022-07-21 11:11:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-21 11:11:15,774 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:11:15,774 INFO L195 NwaCegarLoop]: trace histogram [16, 6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:11:15,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:11:15,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:11:15,984 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:11:15,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:11:15,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1525585701, now seen corresponding path program 1 times [2022-07-21 11:11:15,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:11:15,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475581058] [2022-07-21 11:11:15,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:11:15,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:11:15,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:11:15,989 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:11:15,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 11:11:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:19,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 4711 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 11:11:19,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:11:20,030 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 165 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 11:11:20,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:11:21,503 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 45 proven. 25 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-07-21 11:11:21,504 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:11:21,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475581058] [2022-07-21 11:11:21,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [475581058] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:11:21,504 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:11:21,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-21 11:11:21,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259928737] [2022-07-21 11:11:21,504 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:11:21,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:11:21,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:11:21,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:11:21,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:11:21,506 INFO L87 Difference]: Start difference. First operand 9744 states and 14234 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 11:11:28,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:11:28,154 INFO L93 Difference]: Finished difference Result 19523 states and 28890 transitions. [2022-07-21 11:11:28,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 11:11:28,155 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2022-07-21 11:11:28,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:11:28,224 INFO L225 Difference]: With dead ends: 19523 [2022-07-21 11:11:28,225 INFO L226 Difference]: Without dead ends: 9794 [2022-07-21 11:11:28,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2022-07-21 11:11:28,269 INFO L413 NwaCegarLoop]: 7088 mSDtfsCounter, 38 mSDsluCounter, 21246 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 28334 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:11:28,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 28334 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-21 11:11:28,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9794 states. [2022-07-21 11:11:28,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9794 to 9792. [2022-07-21 11:11:28,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9792 states, 6964 states have (on average 1.3759333716255027) internal successors, (9582), 7088 states have internal predecessors, (9582), 2354 states have call successors, (2354), 472 states have call predecessors, (2354), 473 states have return successors, (2381), 2323 states have call predecessors, (2381), 2353 states have call successors, (2381) [2022-07-21 11:11:28,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9792 states to 9792 states and 14317 transitions. [2022-07-21 11:11:28,548 INFO L78 Accepts]: Start accepts. Automaton has 9792 states and 14317 transitions. Word has length 95 [2022-07-21 11:11:28,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:11:28,549 INFO L495 AbstractCegarLoop]: Abstraction has 9792 states and 14317 transitions. [2022-07-21 11:11:28,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 11:11:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 9792 states and 14317 transitions. [2022-07-21 11:11:28,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-21 11:11:28,554 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:11:28,555 INFO L195 NwaCegarLoop]: trace histogram [24, 6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:11:28,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:11:28,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:11:28,767 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:11:28,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:11:28,768 INFO L85 PathProgramCache]: Analyzing trace with hash 125300443, now seen corresponding path program 2 times [2022-07-21 11:11:28,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:11:28,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434411840] [2022-07-21 11:11:28,772 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:11:28,772 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:11:28,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:11:28,773 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:11:28,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 11:11:31,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:11:31,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:11:31,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 4411 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:11:31,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:11:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2022-07-21 11:11:33,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:11:33,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:11:33,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434411840] [2022-07-21 11:11:33,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434411840] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:11:33,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:11:33,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:11:33,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542366734] [2022-07-21 11:11:33,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:11:33,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:11:33,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:11:33,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:11:33,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:11:33,816 INFO L87 Difference]: Start difference. First operand 9792 states and 14317 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 11:11:35,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:11:35,380 INFO L93 Difference]: Finished difference Result 29321 states and 43031 transitions. [2022-07-21 11:11:35,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:11:35,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2022-07-21 11:11:35,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:11:35,476 INFO L225 Difference]: With dead ends: 29321 [2022-07-21 11:11:35,476 INFO L226 Difference]: Without dead ends: 19550 [2022-07-21 11:11:35,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:11:35,523 INFO L413 NwaCegarLoop]: 8727 mSDtfsCounter, 7075 mSDsluCounter, 24584 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7075 SdHoareTripleChecker+Valid, 33311 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:11:35,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7075 Valid, 33311 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 11:11:35,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19550 states. [2022-07-21 11:11:36,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19550 to 19540. [2022-07-21 11:11:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19540 states, 13896 states have (on average 1.3761514104778354) internal successors, (19123), 14144 states have internal predecessors, (19123), 4698 states have call successors, (4698), 942 states have call predecessors, (4698), 945 states have return successors, (4849), 4637 states have call predecessors, (4849), 4697 states have call successors, (4849) [2022-07-21 11:11:36,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19540 states to 19540 states and 28670 transitions. [2022-07-21 11:11:36,181 INFO L78 Accepts]: Start accepts. Automaton has 19540 states and 28670 transitions. Word has length 103 [2022-07-21 11:11:36,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:11:36,182 INFO L495 AbstractCegarLoop]: Abstraction has 19540 states and 28670 transitions. [2022-07-21 11:11:36,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 11:11:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand 19540 states and 28670 transitions. [2022-07-21 11:11:36,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2022-07-21 11:11:36,221 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:11:36,222 INFO L195 NwaCegarLoop]: trace histogram [24, 6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:11:36,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 11:11:36,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:11:36,448 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:11:36,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:11:36,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1295038474, now seen corresponding path program 1 times [2022-07-21 11:11:36,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:11:36,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909043025] [2022-07-21 11:11:36,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:11:36,453 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:11:36,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:11:36,454 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:11:36,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 11:11:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:40,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 5500 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 11:11:40,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:11:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 321 proven. 21 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-07-21 11:11:42,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:11:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 97 proven. 95 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-07-21 11:11:46,437 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:11:46,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909043025] [2022-07-21 11:11:46,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909043025] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:11:46,437 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:11:46,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-07-21 11:11:46,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971283379] [2022-07-21 11:11:46,438 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:11:46,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-21 11:11:46,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:11:46,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-21 11:11:46,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-07-21 11:11:46,440 INFO L87 Difference]: Start difference. First operand 19540 states and 28670 transitions. Second operand has 18 states, 18 states have (on average 20.555555555555557) internal successors, (370), 18 states have internal predecessors, (370), 2 states have call successors, (86), 2 states have call predecessors, (86), 4 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86)