./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.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 1e656e08f859c02a2fcbde115f6fa3d541385535606558c0d455741014c679db --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:26:18,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:26:18,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:26:18,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:26:18,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:26:18,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:26:18,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:26:18,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:26:18,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:26:18,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:26:18,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:26:18,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:26:18,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:26:18,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:26:18,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:26:18,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:26:18,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:26:18,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:26:18,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:26:18,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:26:18,930 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:26:18,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:26:18,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:26:18,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:26:18,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:26:18,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:26:18,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:26:18,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:26:18,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:26:18,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:26:18,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:26:18,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:26:18,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:26:18,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:26:18,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:26:18,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:26:18,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:26:18,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:26:18,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:26:18,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:26:18,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:26:18,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:26:18,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:26:18,985 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:26:18,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:26:18,986 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:26:18,986 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:26:18,987 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:26:18,987 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:26:18,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:26:18,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:26:18,988 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:26:18,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:26:18,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:26:18,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:26:18,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:26:18,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:26:18,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:26:18,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:26:18,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:26:18,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:26:18,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:26:18,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:26:18,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:26:18,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:26:18,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:26:18,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:26:18,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:26:18,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:26:18,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:26:18,992 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:26:18,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:26:18,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:26:18,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e656e08f859c02a2fcbde115f6fa3d541385535606558c0d455741014c679db [2022-07-21 12:26:19,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:26:19,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:26:19,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:26:19,280 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:26:19,281 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:26:19,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i [2022-07-21 12:26:19,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358487dfc/d68d1cad51b54408be47bc2d78264ff5/FLAG337dbec72 [2022-07-21 12:26:20,188 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:26:20,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i [2022-07-21 12:26:20,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358487dfc/d68d1cad51b54408be47bc2d78264ff5/FLAG337dbec72 [2022-07-21 12:26:20,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358487dfc/d68d1cad51b54408be47bc2d78264ff5 [2022-07-21 12:26:20,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:26:20,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:26:20,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:26:20,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:26:20,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:26:20,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:26:20" (1/1) ... [2022-07-21 12:26:20,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f55a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:20, skipping insertion in model container [2022-07-21 12:26:20,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:26:20" (1/1) ... [2022-07-21 12:26:20,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:26:20,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:26:26,125 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i[602654,602667] [2022-07-21 12:26:26,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:26:26,628 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:26:26,802 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: val = (unsigned int )val & 65151U [8609] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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 12:26:26,808 INFO L158 Benchmark]: Toolchain (without parser) took 6467.36ms. Allocated memory was 58.7MB in the beginning and 172.0MB in the end (delta: 113.2MB). Free memory was 24.2MB in the beginning and 84.1MB in the end (delta: -59.9MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2022-07-21 12:26:26,809 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 48.2MB. Free memory was 30.9MB in the beginning and 30.8MB in the end (delta: 54.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 12:26:26,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6465.29ms. Allocated memory was 58.7MB in the beginning and 172.0MB in the end (delta: 113.2MB). Free memory was 23.9MB in the beginning and 84.1MB in the end (delta: -60.2MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2022-07-21 12:26:26,812 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 48.2MB. Free memory was 30.9MB in the beginning and 30.8MB in the end (delta: 54.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6465.29ms. Allocated memory was 58.7MB in the beginning and 172.0MB in the end (delta: 113.2MB). Free memory was 23.9MB in the beginning and 84.1MB in the end (delta: -60.2MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: val = (unsigned int )val & 65151U [8609] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: val = (unsigned int )val & 65151U [8609]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.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 1e656e08f859c02a2fcbde115f6fa3d541385535606558c0d455741014c679db --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:26:28,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:26:28,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:26:28,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:26:28,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:26:28,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:26:28,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:26:28,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:26:28,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:26:28,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:26:28,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:26:28,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:26:28,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:26:28,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:26:28,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:26:28,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:26:28,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:26:28,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:26:28,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:26:28,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:26:28,444 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:26:28,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:26:28,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:26:28,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:26:28,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:26:28,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:26:28,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:26:28,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:26:28,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:26:28,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:26:28,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:26:28,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:26:28,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:26:28,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:26:28,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:26:28,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:26:28,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:26:28,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:26:28,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:26:28,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:26:28,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:26:28,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:26:28,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 12:26:28,493 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:26:28,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:26:28,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:26:28,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:26:28,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:26:28,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:26:28,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:26:28,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:26:28,495 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:26:28,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:26:28,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:26:28,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:26:28,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:26:28,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:26:28,497 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 12:26:28,497 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 12:26:28,497 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 12:26:28,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:26:28,497 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:26:28,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:26:28,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:26:28,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:26:28,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:26:28,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:26:28,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:26:28,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:26:28,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:26:28,499 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 12:26:28,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 12:26:28,499 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:26:28,499 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:26:28,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:26:28,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 12:26:28,500 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e656e08f859c02a2fcbde115f6fa3d541385535606558c0d455741014c679db [2022-07-21 12:26:28,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:26:28,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:26:28,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:26:28,793 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:26:28,793 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:26:28,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i [2022-07-21 12:26:28,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6048d8db2/923e8ec3f4c64ed2b5739fe2d04ba6ec/FLAG8e06cc341 [2022-07-21 12:26:29,660 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:26:29,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i [2022-07-21 12:26:29,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6048d8db2/923e8ec3f4c64ed2b5739fe2d04ba6ec/FLAG8e06cc341 [2022-07-21 12:26:30,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6048d8db2/923e8ec3f4c64ed2b5739fe2d04ba6ec [2022-07-21 12:26:30,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:26:30,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:26:30,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:26:30,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:26:30,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:26:30,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:26:30" (1/1) ... [2022-07-21 12:26:30,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5fa4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:30, skipping insertion in model container [2022-07-21 12:26:30,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:26:30" (1/1) ... [2022-07-21 12:26:30,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:26:30,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:26:35,001 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i[602654,602667] [2022-07-21 12:26:35,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:26:35,438 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 12:26:35,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:26:35,854 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i[602654,602667] [2022-07-21 12:26:35,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:26:35,906 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:26:36,362 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i[602654,602667] [2022-07-21 12:26:36,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:26:36,729 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:26:36,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:36 WrapperNode [2022-07-21 12:26:36,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:26:36,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:26:36,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:26:36,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:26:36,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:36" (1/1) ... [2022-07-21 12:26:36,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:36" (1/1) ... [2022-07-21 12:26:37,214 INFO L137 Inliner]: procedures = 630, calls = 8387, calls flagged for inlining = 398, calls inlined = 395, statements flattened = 18193 [2022-07-21 12:26:37,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:26:37,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:26:37,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:26:37,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:26:37,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:36" (1/1) ... [2022-07-21 12:26:37,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:36" (1/1) ... [2022-07-21 12:26:37,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:36" (1/1) ... [2022-07-21 12:26:37,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:36" (1/1) ... [2022-07-21 12:26:37,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:36" (1/1) ... [2022-07-21 12:26:37,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:36" (1/1) ... [2022-07-21 12:26:37,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:36" (1/1) ... [2022-07-21 12:26:37,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:26:37,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:26:37,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:26:37,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:26:37,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:36" (1/1) ... [2022-07-21 12:26:37,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:26:37,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:26:37,880 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 12:26:37,885 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 12:26:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_80 [2022-07-21 12:26:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_80 [2022-07-21 12:26:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_disable_interrupts [2022-07-21 12:26:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_disable_interrupts [2022-07-21 12:26:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_debugfs_add_files [2022-07-21 12:26:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_debugfs_add_files [2022-07-21 12:26:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_cmd_channel_switch [2022-07-21 12:26:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_cmd_channel_switch [2022-07-21 12:26:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_write_reg [2022-07-21 12:26:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_write_reg [2022-07-21 12:26:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_hw_init [2022-07-21 12:26:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_hw_init [2022-07-21 12:26:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:26:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:26:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-21 12:26:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-21 12:26:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:26:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:26:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_calc_tx_blocks [2022-07-21 12:26:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_calc_tx_blocks [2022-07-21 12:26:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-07-21 12:26:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-07-21 12:26:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_trigger_cmd [2022-07-21 12:26:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_trigger_cmd [2022-07-21 12:26:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_wl1271 [2022-07-21 12:26:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_wl1271 [2022-07-21 12:26:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_debugfs_update_stats [2022-07-21 12:26:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_debugfs_update_stats [2022-07-21 12:26:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure generic_file_llseek [2022-07-21 12:26:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_file_llseek [2022-07-21 12:26:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_sta_get_ap_rate_mask [2022-07-21 12:26:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_sta_get_ap_rate_mask [2022-07-21 12:26:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_set_tx_desc_data_len [2022-07-21 12:26:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_set_tx_desc_data_len [2022-07-21 12:26:37,907 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_convert_fw_status [2022-07-21 12:26:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_convert_fw_status [2022-07-21 12:26:37,907 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_top_reg_write [2022-07-21 12:26:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_top_reg_write [2022-07-21 12:26:37,907 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_cmd_send [2022-07-21 12:26:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_cmd_send [2022-07-21 12:26:37,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 12:26:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 12:26:37,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:26:37,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 12:26:37,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 12:26:37,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 12:26:37,908 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-21 12:26:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-21 12:26:37,908 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 12:26:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 12:26:37,908 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-07-21 12:26:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-07-21 12:26:37,908 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_identify_chip [2022-07-21 12:26:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_identify_chip [2022-07-21 12:26:37,908 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_tx_min_rate_get [2022-07-21 12:26:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_tx_min_rate_get [2022-07-21 12:26:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_remove [2022-07-21 12:26:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_remove [2022-07-21 12:26:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_set_peer_cap [2022-07-21 12:26:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_set_peer_cap [2022-07-21 12:26:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:26:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:26:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_wait_for_event [2022-07-21 12:26:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_wait_for_event [2022-07-21 12:26:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-07-21 12:26:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-07-21 12:26:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_set_min_fw_ver [2022-07-21 12:26:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_set_min_fw_ver [2022-07-21 12:26:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:26:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:26:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:26:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:26:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_cmd_build_probe_req [2022-07-21 12:26:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_cmd_build_probe_req [2022-07-21 12:26:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 12:26:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 12:26:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:26:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 12:26:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 12:26:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 12:26:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_lnk_low_prio [2022-07-21 12:26:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_lnk_low_prio [2022-07-21 12:26:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 12:26:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 12:26:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_set_partition [2022-07-21 12:26:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_set_partition [2022-07-21 12:26:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_top_reg_read [2022-07-21 12:26:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_top_reg_read [2022-07-21 12:26:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_get_rx_packet_len [2022-07-21 12:26:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_get_rx_packet_len [2022-07-21 12:26:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_scan_stop [2022-07-21 12:26:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_scan_stop [2022-07-21 12:26:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 12:26:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 12:26:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 12:26:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:26:37,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:26:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 12:26:37,913 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 12:26:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 12:26:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 12:26:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 12:26:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:26:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 12:26:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_probe [2022-07-21 12:26:37,913 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_probe [2022-07-21 12:26:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:26:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:26:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:26:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_boot [2022-07-21 12:26:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_boot [2022-07-21 12:26:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure wl128x_switch_tcxo_to_fref [2022-07-21 12:26:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure wl128x_switch_tcxo_to_fref [2022-07-21 12:26:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_process_mailbox_events [2022-07-21 12:26:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_process_mailbox_events [2022-07-21 12:26:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_translate_addr [2022-07-21 12:26:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_translate_addr [2022-07-21 12:26:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_raw_read32 [2022-07-21 12:26:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_raw_read32 [2022-07-21 12:26:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_raw_write [2022-07-21 12:26:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_raw_write [2022-07-21 12:26:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:26:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:26:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:26:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:26:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_scan_send [2022-07-21 12:26:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_scan_send [2022-07-21 12:26:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_get_pg_ver [2022-07-21 12:26:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_get_pg_ver [2022-07-21 12:26:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_raw_write32 [2022-07-21 12:26:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_raw_write32 [2022-07-21 12:26:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_scan_stm [2022-07-21 12:26:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_scan_stm [2022-07-21 12:26:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:26:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:26:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:26:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:26:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~X~C_ULONG~X~~bool~0~TO~C_INT [2022-07-21 12:26:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~X~C_ULONG~X~~bool~0~TO~C_INT [2022-07-21 12:26:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 12:26:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 12:26:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_set_tx_desc_blocks [2022-07-21 12:26:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_set_tx_desc_blocks [2022-07-21 12:26:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_set_tx_desc_csum [2022-07-21 12:26:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_set_tx_desc_csum [2022-07-21 12:26:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_set_key [2022-07-21 12:26:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_set_key [2022-07-21 12:26:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_set_ht_cap [2022-07-21 12:26:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_set_ht_cap [2022-07-21 12:26:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:26:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_get_rx_buf_align [2022-07-21 12:26:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_get_rx_buf_align [2022-07-21 12:26:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:26:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_lnk_high_prio [2022-07-21 12:26:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_lnk_high_prio [2022-07-21 12:26:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_get_clock_idx [2022-07-21 12:26:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_get_clock_idx [2022-07-21 12:26:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 12:26:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 12:26:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 12:26:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 12:26:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:26:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:26:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:26:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_read32 [2022-07-21 12:26:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_read32 [2022-07-21 12:26:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 12:26:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 12:26:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_write32 [2022-07-21 12:26:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_write32 [2022-07-21 12:26:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 12:26:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 12:26:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:26:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:26:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-21 12:26:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-21 12:26:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 12:26:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 12:26:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 12:26:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 12:26:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:26:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:26:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_calc_packet_alignment [2022-07-21 12:26:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_calc_packet_alignment [2022-07-21 12:26:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_scan_start [2022-07-21 12:26:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_scan_start [2022-07-21 12:26:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_wl1271 [2022-07-21 12:26:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_wl1271 [2022-07-21 12:26:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:26:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:26:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_get_mac [2022-07-21 12:26:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_get_mac [2022-07-21 12:26:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_setup [2022-07-21 12:26:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_setup [2022-07-21 12:26:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_scan_sched_scan_stop [2022-07-21 12:26:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_scan_sched_scan_stop [2022-07-21 12:26:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 12:26:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 12:26:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_plt_init [2022-07-21 12:26:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_plt_init [2022-07-21 12:26:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure wlcore_write [2022-07-21 12:26:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure wlcore_write [2022-07-21 12:26:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 12:26:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 12:26:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_tx_delayed_compl [2022-07-21 12:26:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_tx_delayed_compl [2022-07-21 12:26:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_cmd_test [2022-07-21 12:26:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_cmd_test [2022-07-21 12:26:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-21 12:26:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-21 12:26:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_ack_event [2022-07-21 12:26:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_ack_event [2022-07-21 12:26:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_convert_hwaddr [2022-07-21 12:26:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_convert_hwaddr [2022-07-21 12:26:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_get_spare_blocks [2022-07-21 12:26:37,926 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_get_spare_blocks [2022-07-21 12:26:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_sched_scan_start [2022-07-21 12:26:37,926 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_sched_scan_start [2022-07-21 12:26:39,207 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:26:39,209 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:26:42,563 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:29:29,046 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:29:29,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:29:29,071 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:29:29,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:29:29 BoogieIcfgContainer [2022-07-21 12:29:29,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:29:29,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:29:29,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:29:29,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:29:29,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:26:30" (1/3) ... [2022-07-21 12:29:29,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2940433d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:29:29, skipping insertion in model container [2022-07-21 12:29:29,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:36" (2/3) ... [2022-07-21 12:29:29,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2940433d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:29:29, skipping insertion in model container [2022-07-21 12:29:29,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:29:29" (3/3) ... [2022-07-21 12:29:29,083 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ti--wl12xx--wl12xx.ko-entry_point.cil.out.i [2022-07-21 12:29:29,093 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:29:29,093 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:29:29,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:29:29,205 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@59b63915, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2c6bc69e [2022-07-21 12:29:29,205 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:29:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 5330 states, 3780 states have (on average 1.4283068783068784) internal successors, (5399), 3886 states have internal predecessors, (5399), 1455 states have call successors, (1455), 94 states have call predecessors, (1455), 93 states have return successors, (1373), 1368 states have call predecessors, (1373), 1373 states have call successors, (1373) [2022-07-21 12:29:29,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2022-07-21 12:29:29,295 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:29:29,297 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 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] [2022-07-21 12:29:29,297 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:29:29,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:29:29,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1073960323, now seen corresponding path program 1 times [2022-07-21 12:29:29,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:29:29,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491398030] [2022-07-21 12:29:29,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:29:29,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:29:29,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:29:29,334 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 12:29:29,335 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 12:29:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:54,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 10241 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 12:29:54,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:29:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2699 backedges. 454 proven. 0 refuted. 0 times theorem prover too weak. 2245 trivial. 0 not checked. [2022-07-21 12:29:54,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:29:54,945 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:29:54,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491398030] [2022-07-21 12:29:54,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491398030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:29:54,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:29:54,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:29:54,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78036626] [2022-07-21 12:29:54,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:29:54,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 12:29:54,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:29:54,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 12:29:54,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:29:54,993 INFO L87 Difference]: Start difference. First operand has 5330 states, 3780 states have (on average 1.4283068783068784) internal successors, (5399), 3886 states have internal predecessors, (5399), 1455 states have call successors, (1455), 94 states have call predecessors, (1455), 93 states have return successors, (1373), 1368 states have call predecessors, (1373), 1373 states have call successors, (1373) Second operand has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-21 12:29:55,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:29:55,220 INFO L93 Difference]: Finished difference Result 10655 states and 16933 transitions. [2022-07-21 12:29:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 12:29:55,222 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 516 [2022-07-21 12:29:55,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:29:55,265 INFO L225 Difference]: With dead ends: 10655 [2022-07-21 12:29:55,265 INFO L226 Difference]: Without dead ends: 5241 [2022-07-21 12:29:55,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:29:55,305 INFO L413 NwaCegarLoop]: 8218 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8218 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:29:55,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8218 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:29:55,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5241 states. [2022-07-21 12:29:55,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5241 to 5241. [2022-07-21 12:29:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5241 states, 3775 states have (on average 1.4063576158940396) internal successors, (5309), 3797 states have internal predecessors, (5309), 1373 states have call successors, (1373), 93 states have call predecessors, (1373), 92 states have return successors, (1367), 1362 states have call predecessors, (1367), 1367 states have call successors, (1367) [2022-07-21 12:29:55,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5241 states to 5241 states and 8049 transitions. [2022-07-21 12:29:55,701 INFO L78 Accepts]: Start accepts. Automaton has 5241 states and 8049 transitions. Word has length 516 [2022-07-21 12:29:55,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:29:55,703 INFO L495 AbstractCegarLoop]: Abstraction has 5241 states and 8049 transitions. [2022-07-21 12:29:55,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-21 12:29:55,704 INFO L276 IsEmpty]: Start isEmpty. Operand 5241 states and 8049 transitions. [2022-07-21 12:29:55,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2022-07-21 12:29:55,730 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:29:55,730 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 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] [2022-07-21 12:29:55,945 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-21 12:29:55,973 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 12:29:55,973 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 12:29:55,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:29:55,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:29:55,974 INFO L85 PathProgramCache]: Analyzing trace with hash -450753381, now seen corresponding path program 1 times [2022-07-21 12:29:55,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:29:55,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653604556] [2022-07-21 12:29:55,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:29:55,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:29:55,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:29:55,986 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 12:29:55,988 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 12:30:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:30:27,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 10241 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 12:30:27,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:30:27,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2699 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 2555 trivial. 0 not checked. [2022-07-21 12:30:27,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:30:27,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:30:27,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653604556] [2022-07-21 12:30:27,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1653604556] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:30:27,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:30:27,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:30:27,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394784398] [2022-07-21 12:30:27,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:30:27,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:30:27,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:30:27,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:30:27,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:30:27,731 INFO L87 Difference]: Start difference. First operand 5241 states and 8049 transitions. Second operand has 6 states, 5 states have (on average 25.6) internal successors, (128), 6 states have internal predecessors, (128), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40)