./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-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-43_2a-drivers--net--wireless--rndis_wlan.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 3f5bdb6b0aa6babe38c3d2b7c8b86a9d169e61742b5c110bfab8a392415efc49 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:24:04,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:24:04,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:24:04,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:24:04,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:24:04,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:24:04,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:24:04,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:24:04,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:24:04,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:24:04,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:24:04,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:24:04,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:24:04,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:24:04,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:24:04,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:24:04,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:24:04,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:24:04,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:24:04,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:24:04,223 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:24:04,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:24:04,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:24:04,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:24:04,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:24:04,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:24:04,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:24:04,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:24:04,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:24:04,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:24:04,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:24:04,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:24:04,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:24:04,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:24:04,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:24:04,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:24:04,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:24:04,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:24:04,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:24:04,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:24:04,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:24:04,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:24:04,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:24:04,285 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:24:04,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:24:04,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:24:04,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:24:04,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:24:04,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:24:04,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:24:04,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:24:04,288 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:24:04,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:24:04,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:24:04,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:24:04,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:24:04,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:24:04,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:24:04,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:24:04,290 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:24:04,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:24:04,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:24:04,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:24:04,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:24:04,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:24:04,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:24:04,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:24:04,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:24:04,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:24:04,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:24:04,292 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:24:04,292 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:24:04,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:24:04,293 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f5bdb6b0aa6babe38c3d2b7c8b86a9d169e61742b5c110bfab8a392415efc49 [2022-07-12 14:24:04,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:24:04,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:24:04,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:24:04,594 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:24:04,595 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:24:04,597 INFO L432 ainManager$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-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-12 14:24:04,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f758d6635/f7ab4d086fc147bd902c65ab9b02a377/FLAGa3597904e [2022-07-12 14:24:05,467 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:24:05,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-12 14:24:05,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f758d6635/f7ab4d086fc147bd902c65ab9b02a377/FLAGa3597904e [2022-07-12 14:24:05,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f758d6635/f7ab4d086fc147bd902c65ab9b02a377 [2022-07-12 14:24:05,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:24:05,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:24:05,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:24:05,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:24:05,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:24:05,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:24:05" (1/1) ... [2022-07-12 14:24:05,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43da21e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:05, skipping insertion in model container [2022-07-12 14:24:05,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:24:05" (1/1) ... [2022-07-12 14:24:05,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:24:05,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:24:08,778 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-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[448621,448634] [2022-07-12 14:24:08,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:24:08,902 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:24:09,125 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: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) [2022-07-12 14:24:09,135 INFO L158 Benchmark]: Toolchain (without parser) took 3451.72ms. Allocated memory was 90.2MB in the beginning and 180.4MB in the end (delta: 90.2MB). Free memory was 54.5MB in the beginning and 90.1MB in the end (delta: -35.6MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2022-07-12 14:24:09,137 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory was 52.6MB in the beginning and 52.6MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 14:24:09,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3449.89ms. Allocated memory was 90.2MB in the beginning and 180.4MB in the end (delta: 90.2MB). Free memory was 54.2MB in the beginning and 90.1MB in the end (delta: -35.9MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2022-07-12 14:24:09,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory was 52.6MB in the beginning and 52.6MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3449.89ms. Allocated memory was 90.2MB in the beginning and 180.4MB in the end (delta: 90.2MB). Free memory was 54.2MB in the beginning and 90.1MB in the end (delta: -35.9MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.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 3f5bdb6b0aa6babe38c3d2b7c8b86a9d169e61742b5c110bfab8a392415efc49 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:24:11,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:24:11,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:24:11,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:24:11,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:24:11,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:24:11,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:24:11,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:24:11,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:24:11,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:24:11,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:24:11,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:24:11,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:24:11,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:24:11,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:24:11,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:24:11,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:24:11,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:24:11,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:24:11,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:24:11,240 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:24:11,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:24:11,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:24:11,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:24:11,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:24:11,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:24:11,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:24:11,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:24:11,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:24:11,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:24:11,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:24:11,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:24:11,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:24:11,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:24:11,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:24:11,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:24:11,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:24:11,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:24:11,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:24:11,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:24:11,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:24:11,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:24:11,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 14:24:11,303 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:24:11,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:24:11,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:24:11,304 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:24:11,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:24:11,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:24:11,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:24:11,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:24:11,306 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:24:11,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:24:11,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:24:11,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:24:11,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:24:11,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:24:11,308 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 14:24:11,308 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 14:24:11,308 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 14:24:11,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:24:11,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:24:11,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:24:11,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:24:11,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:24:11,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:24:11,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:24:11,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:24:11,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:24:11,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:24:11,311 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 14:24:11,311 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 14:24:11,311 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:24:11,311 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:24:11,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:24:11,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 14:24:11,312 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f5bdb6b0aa6babe38c3d2b7c8b86a9d169e61742b5c110bfab8a392415efc49 [2022-07-12 14:24:11,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:24:11,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:24:11,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:24:11,668 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:24:11,669 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:24:11,670 INFO L432 ainManager$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-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-12 14:24:11,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b511a1c26/388dc3a497a042aeb1ef83e3932faec4/FLAGc191028ea [2022-07-12 14:24:12,620 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:24:12,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-12 14:24:12,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b511a1c26/388dc3a497a042aeb1ef83e3932faec4/FLAGc191028ea [2022-07-12 14:24:13,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b511a1c26/388dc3a497a042aeb1ef83e3932faec4 [2022-07-12 14:24:13,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:24:13,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:24:13,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:24:13,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:24:13,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:24:13,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:24:13" (1/1) ... [2022-07-12 14:24:13,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cde00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:13, skipping insertion in model container [2022-07-12 14:24:13,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:24:13" (1/1) ... [2022-07-12 14:24:13,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:24:13,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:24:16,559 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-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[448621,448634] [2022-07-12 14:24:16,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:24:16,712 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 14:24:16,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:24:17,173 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-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[448621,448634] [2022-07-12 14:24:17,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:24:17,200 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:24:17,663 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-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[448621,448634] [2022-07-12 14:24:17,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:24:17,917 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:24:17,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17 WrapperNode [2022-07-12 14:24:17,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:24:17,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:24:17,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:24:17,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:24:17,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:18,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:18,356 INFO L137 Inliner]: procedures = 336, calls = 4533, calls flagged for inlining = 123, calls inlined = 121, statements flattened = 8271 [2022-07-12 14:24:18,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:24:18,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:24:18,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:24:18,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:24:18,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:18,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:18,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:18,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:18,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:18,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:18,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:18,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:24:18,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:24:18,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:24:18,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:24:18,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:18,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:24:18,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:24:18,734 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) [2022-07-12 14:24:18,756 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 [2022-07-12 14:24:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 14:24:18,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 14:24:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-12 14:24:18,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-12 14:24:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-12 14:24:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-12 14:24:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 14:24:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-12 14:24:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-12 14:24:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 14:24:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 14:24:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:24:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 14:24:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:24:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-12 14:24:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-12 14:24:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:24:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:24:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-12 14:24:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-12 14:24:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:24:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:24:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_power_mgmt [2022-07-12 14:24:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_power_mgmt [2022-07-12 14:24:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_station [2022-07-12 14:24:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_station [2022-07-12 14:24:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-12 14:24:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-12 14:24:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure eth_zero_addr [2022-07-12 14:24:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_zero_addr [2022-07-12 14:24:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-12 14:24:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-12 14:24:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 14:24:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 14:24:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-12 14:24:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-12 14:24:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-12 14:24:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-12 14:24:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-12 14:24:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-12 14:24:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:24:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:24:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_leave_ibss [2022-07-12 14:24:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_leave_ibss [2022-07-12 14:24:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-12 14:24:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-12 14:24:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-12 14:24:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-12 14:24:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-12 14:24:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-12 14:24:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_worker [2022-07-12 14:24:18,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_worker [2022-07-12 14:24:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-12 14:24:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-12 14:24:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_change_virtual_intf [2022-07-12 14:24:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_change_virtual_intf [2022-07-12 14:24:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_tx_power [2022-07-12 14:24:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_tx_power [2022-07-12 14:24:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-12 14:24:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-12 14:24:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_default_key [2022-07-12 14:24:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_default_key [2022-07-12 14:24:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_del_pmksa [2022-07-12 14:24:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_del_pmksa [2022-07-12 14:24:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-12 14:24:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-12 14:24:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 14:24:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 14:24:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 14:24:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 14:24:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-12 14:24:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-12 14:24:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-12 14:24:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-12 14:24:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_tx_power [2022-07-12 14:24:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_tx_power [2022-07-12 14:24:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-12 14:24:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-12 14:24:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-12 14:24:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-12 14:24:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:24:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:24:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_del_key [2022-07-12 14:24:18,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_del_key [2022-07-12 14:24:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-12 14:24:18,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-12 14:24:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 14:24:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 14:24:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure eth_broadcast_addr [2022-07-12 14:24:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_broadcast_addr [2022-07-12 14:24:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-12 14:24:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-12 14:24:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 14:24:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 14:24:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_scan_results [2022-07-12 14:24:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_scan_results [2022-07-12 14:24:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:24:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 14:24:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 14:24:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_cqm_rssi_config [2022-07-12 14:24:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_cqm_rssi_config [2022-07-12 14:24:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-12 14:24:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-12 14:24:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_join_ibss [2022-07-12 14:24:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_join_ibss [2022-07-12 14:24:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-12 14:24:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-12 14:24:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-12 14:24:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-12 14:24:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-12 14:24:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-12 14:24:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-12 14:24:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-12 14:24:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:24:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-12 14:24:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-12 14:24:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_flush_pmksa [2022-07-12 14:24:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_flush_pmksa [2022-07-12 14:24:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-12 14:24:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-12 14:24:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:24:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:24:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-12 14:24:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-12 14:24:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:24:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:24:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-12 14:24:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-12 14:24:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-12 14:24:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-12 14:24:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 14:24:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 14:24:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 14:24:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-12 14:24:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-12 14:24:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 14:24:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:24:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:24:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-07-12 14:24:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-07-12 14:24:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-12 14:24:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-12 14:24:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-12 14:24:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-12 14:24:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 14:24:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 14:24:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 14:24:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 14:24:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-12 14:24:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-12 14:24:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 14:24:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 14:24:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-12 14:24:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-12 14:24:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-12 14:24:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-12 14:24:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 14:24:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 14:24:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-12 14:24:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-12 14:24:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-12 14:24:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-12 14:24:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 14:24:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 14:24:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:24:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:24:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-12 14:24:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-12 14:24:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-12 14:24:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-12 14:24:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 14:24:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 14:24:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-12 14:24:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-12 14:24:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-12 14:24:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-12 14:24:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-12 14:24:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-12 14:24:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_pmksa [2022-07-12 14:24:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_pmksa [2022-07-12 14:24:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-12 14:24:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-12 14:24:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-12 14:24:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-12 14:24:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-12 14:24:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-12 14:24:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure get_current_channel [2022-07-12 14:24:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current_channel [2022-07-12 14:24:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-12 14:24:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-12 14:24:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-12 14:24:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-12 14:24:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-12 14:24:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-12 14:24:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:24:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:24:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:24:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:24:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-12 14:24:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-12 14:24:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:24:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:24:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-12 14:24:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-12 14:24:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-12 14:24:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-12 14:24:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-12 14:24:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-12 14:24:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-12 14:24:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-12 14:24:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-12 14:24:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-12 14:24:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 14:24:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 14:24:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 14:24:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 14:24:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:24:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:24:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 14:24:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 14:24:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-12 14:24:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-12 14:24:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-12 14:24:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-12 14:24:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:24:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-12 14:24:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-12 14:24:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-12 14:24:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-12 14:24:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-12 14:24:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-12 14:24:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 14:24:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 14:24:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:24:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-12 14:24:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-12 14:24:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-12 14:24:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-12 14:24:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-12 14:24:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-12 14:24:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:24:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 14:24:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 14:24:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-12 14:24:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-12 14:24:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-12 14:24:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-12 14:24:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 14:24:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-12 14:24:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-12 14:24:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_device_poller [2022-07-12 14:24:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_device_poller [2022-07-12 14:24:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-12 14:24:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-12 14:24:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_add_key [2022-07-12 14:24:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_add_key [2022-07-12 14:24:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 14:24:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 14:24:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-12 14:24:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-12 14:24:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-12 14:24:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-12 14:24:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-12 14:24:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-12 14:24:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 14:24:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 14:24:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-12 14:24:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-12 14:24:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-12 14:24:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-12 14:24:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-12 14:24:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-12 14:24:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-12 14:24:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-12 14:24:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-12 14:24:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-12 14:24:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-12 14:24:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-12 14:24:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-12 14:24:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-12 14:24:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 14:24:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 14:24:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_scan [2022-07-12 14:24:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_scan [2022-07-12 14:24:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 14:24:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-12 14:24:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-12 14:24:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-12 14:24:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-12 14:24:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-07-12 14:24:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-07-12 14:24:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:24:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:24:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_dump_station [2022-07-12 14:24:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_dump_station [2022-07-12 14:24:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 14:24:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 14:24:19,982 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:24:19,986 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:24:25,161 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:26:35,304 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:26:35,326 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:26:35,327 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 14:26:35,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:26:35 BoogieIcfgContainer [2022-07-12 14:26:35,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:26:35,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:26:35,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:26:35,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:26:35,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:24:13" (1/3) ... [2022-07-12 14:26:35,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad280cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:26:35, skipping insertion in model container [2022-07-12 14:26:35,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (2/3) ... [2022-07-12 14:26:35,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad280cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:26:35, skipping insertion in model container [2022-07-12 14:26:35,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:26:35" (3/3) ... [2022-07-12 14:26:35,340 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-12 14:26:35,353 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:26:35,354 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:26:35,454 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:26:35,465 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@4785537b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@39cca1ba [2022-07-12 14:26:35,466 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:26:35,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 2875 states, 2004 states have (on average 1.379740518962076) internal successors, (2765), 2027 states have internal predecessors, (2765), 737 states have call successors, (737), 133 states have call predecessors, (737), 132 states have return successors, (726), 726 states have call predecessors, (726), 726 states have call successors, (726) [2022-07-12 14:26:35,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2022-07-12 14:26:35,541 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:26:35,543 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 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] [2022-07-12 14:26:35,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:26:35,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:26:35,549 INFO L85 PathProgramCache]: Analyzing trace with hash 952216789, now seen corresponding path program 1 times [2022-07-12 14:26:35,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:26:35,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058547202] [2022-07-12 14:26:35,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:26:35,575 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:26:35,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:26:35,577 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) [2022-07-12 14:26:35,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 14:26:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:26:40,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 5874 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 14:26:40,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:26:40,787 INFO L134 CoverageAnalysis]: Checked inductivity of 5147 backedges. 1391 proven. 0 refuted. 0 times theorem prover too weak. 3756 trivial. 0 not checked. [2022-07-12 14:26:40,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:26:40,788 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:26:40,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058547202] [2022-07-12 14:26:40,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058547202] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:26:40,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:26:40,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 14:26:40,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129744809] [2022-07-12 14:26:40,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:26:40,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 14:26:40,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:26:40,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 14:26:40,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 14:26:40,910 INFO L87 Difference]: Start difference. First operand has 2875 states, 2004 states have (on average 1.379740518962076) internal successors, (2765), 2027 states have internal predecessors, (2765), 737 states have call successors, (737), 133 states have call predecessors, (737), 132 states have return successors, (726), 726 states have call predecessors, (726), 726 states have call successors, (726) Second operand has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-12 14:26:41,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:26:41,106 INFO L93 Difference]: Finished difference Result 5745 states and 8747 transitions. [2022-07-12 14:26:41,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 14:26:41,109 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 625 [2022-07-12 14:26:41,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:26:41,139 INFO L225 Difference]: With dead ends: 5745 [2022-07-12 14:26:41,140 INFO L226 Difference]: Without dead ends: 2852 [2022-07-12 14:26:41,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 14:26:41,179 INFO L413 NwaCegarLoop]: 4223 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, 4223 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 [2022-07-12 14:26:41,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4223 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 14:26:41,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2022-07-12 14:26:41,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2852. [2022-07-12 14:26:41,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 1994 states have (on average 1.3731193580742227) internal successors, (2738), 2004 states have internal predecessors, (2738), 726 states have call successors, (726), 132 states have call predecessors, (726), 131 states have return successors, (725), 725 states have call predecessors, (725), 725 states have call successors, (725) [2022-07-12 14:26:41,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 4189 transitions. [2022-07-12 14:26:41,412 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 4189 transitions. Word has length 625 [2022-07-12 14:26:41,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:26:41,414 INFO L495 AbstractCegarLoop]: Abstraction has 2852 states and 4189 transitions. [2022-07-12 14:26:41,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-12 14:26:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 4189 transitions. [2022-07-12 14:26:41,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2022-07-12 14:26:41,436 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:26:41,437 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 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] [2022-07-12 14:26:41,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 14:26:41,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:26:41,652 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:26:41,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:26:41,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1746801235, now seen corresponding path program 1 times [2022-07-12 14:26:41,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:26:41,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208160400] [2022-07-12 14:26:41,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:26:41,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:26:41,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:26:41,662 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) [2022-07-12 14:26:41,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 14:26:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:26:50,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 5874 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 14:26:50,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:26:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5147 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 4940 trivial. 0 not checked. [2022-07-12 14:26:51,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:26:51,415 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:26:51,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208160400] [2022-07-12 14:26:51,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208160400] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:26:51,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:26:51,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:26:51,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255385379] [2022-07-12 14:26:51,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:26:51,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:26:51,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:26:51,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:26:51,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:26:51,425 INFO L87 Difference]: Start difference. First operand 2852 states and 4189 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-12 14:26:58,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:26:58,026 INFO L93 Difference]: Finished difference Result 5666 states and 8581 transitions. [2022-07-12 14:26:58,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 14:26:58,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 625 [2022-07-12 14:26:58,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:26:58,055 INFO L225 Difference]: With dead ends: 5666 [2022-07-12 14:26:58,055 INFO L226 Difference]: Without dead ends: 2853 [2022-07-12 14:26:58,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:26:58,085 INFO L413 NwaCegarLoop]: 4162 mSDtfsCounter, 6 mSDsluCounter, 16575 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 20737 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:26:58,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 20737 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-12 14:26:58,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2853 states. [2022-07-12 14:26:58,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2853 to 2853. [2022-07-12 14:26:58,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2853 states, 1995 states have (on average 1.3729323308270676) internal successors, (2739), 2005 states have internal predecessors, (2739), 726 states have call successors, (726), 132 states have call predecessors, (726), 131 states have return successors, (725), 725 states have call predecessors, (725), 725 states have call successors, (725) [2022-07-12 14:26:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2853 states and 4190 transitions. [2022-07-12 14:26:58,222 INFO L78 Accepts]: Start accepts. Automaton has 2853 states and 4190 transitions. Word has length 625 [2022-07-12 14:26:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:26:58,226 INFO L495 AbstractCegarLoop]: Abstraction has 2853 states and 4190 transitions. [2022-07-12 14:26:58,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-12 14:26:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 4190 transitions. [2022-07-12 14:26:58,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2022-07-12 14:26:58,246 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:26:58,246 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 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] [2022-07-12 14:26:58,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 14:26:58,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:26:58,468 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:26:58,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:26:58,468 INFO L85 PathProgramCache]: Analyzing trace with hash -301023363, now seen corresponding path program 1 times [2022-07-12 14:26:58,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:26:58,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [338569247] [2022-07-12 14:26:58,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:26:58,472 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:26:58,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:26:58,473 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) [2022-07-12 14:26:58,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 14:27:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:27:07,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 6138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 14:27:07,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:27:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5999 backedges. 276 proven. 1 refuted. 0 times theorem prover too weak. 5722 trivial. 0 not checked. [2022-07-12 14:27:08,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:27:12,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5999 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 5768 trivial. 0 not checked. [2022-07-12 14:27:12,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:27:12,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [338569247] [2022-07-12 14:27:12,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [338569247] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:27:12,960 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:27:12,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-12 14:27:12,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490138429] [2022-07-12 14:27:12,960 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:27:12,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 14:27:12,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:27:12,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 14:27:12,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:27:12,962 INFO L87 Difference]: Start difference. First operand 2853 states and 4190 transitions. Second operand has 11 states, 9 states have (on average 12.444444444444445) internal successors, (112), 11 states have internal predecessors, (112), 4 states have call successors, (82), 2 states have call predecessors, (82), 5 states have return successors, (78), 4 states have call predecessors, (78), 4 states have call successors, (78) [2022-07-12 14:27:21,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:27:21,366 INFO L93 Difference]: Finished difference Result 5678 states and 8597 transitions. [2022-07-12 14:27:21,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 14:27:21,370 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 12.444444444444445) internal successors, (112), 11 states have internal predecessors, (112), 4 states have call successors, (82), 2 states have call predecessors, (82), 5 states have return successors, (78), 4 states have call predecessors, (78), 4 states have call successors, (78) Word has length 649 [2022-07-12 14:27:21,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:27:21,402 INFO L225 Difference]: With dead ends: 5678 [2022-07-12 14:27:21,403 INFO L226 Difference]: Without dead ends: 2869 [2022-07-12 14:27:21,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1300 GetRequests, 1287 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:27:21,426 INFO L413 NwaCegarLoop]: 4164 mSDtfsCounter, 10 mSDsluCounter, 24885 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 29049 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:27:21,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 29049 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-07-12 14:27:21,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2869 states. [2022-07-12 14:27:21,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2869. [2022-07-12 14:27:21,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2869 states, 2006 states have (on average 1.3713858424725822) internal successors, (2751), 2016 states have internal predecessors, (2751), 728 states have call successors, (728), 135 states have call predecessors, (728), 134 states have return successors, (727), 727 states have call predecessors, (727), 727 states have call successors, (727) [2022-07-12 14:27:21,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2869 states and 4206 transitions. [2022-07-12 14:27:21,542 INFO L78 Accepts]: Start accepts. Automaton has 2869 states and 4206 transitions. Word has length 649 [2022-07-12 14:27:21,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:27:21,544 INFO L495 AbstractCegarLoop]: Abstraction has 2869 states and 4206 transitions. [2022-07-12 14:27:21,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 12.444444444444445) internal successors, (112), 11 states have internal predecessors, (112), 4 states have call successors, (82), 2 states have call predecessors, (82), 5 states have return successors, (78), 4 states have call predecessors, (78), 4 states have call successors, (78) [2022-07-12 14:27:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2869 states and 4206 transitions. [2022-07-12 14:27:21,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2022-07-12 14:27:21,555 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:27:21,556 INFO L195 NwaCegarLoop]: trace histogram [40, 24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 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] [2022-07-12 14:27:21,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 14:27:21,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:27:21,776 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:27:21,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:27:21,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1234594689, now seen corresponding path program 2 times [2022-07-12 14:27:21,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:27:21,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884906363] [2022-07-12 14:27:21,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:27:21,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:27:21,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:27:21,785 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) [2022-07-12 14:27:21,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 14:27:25,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:27:25,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:27:26,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 3980 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:27:26,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:27:53,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6887 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6887 trivial. 0 not checked. [2022-07-12 14:27:53,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:27:53,264 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:27:53,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884906363] [2022-07-12 14:27:53,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884906363] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:27:53,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:27:53,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 14:27:53,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032730955] [2022-07-12 14:27:53,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:27:53,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:27:53,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:27:53,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:27:53,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:27:53,267 INFO L87 Difference]: Start difference. First operand 2869 states and 4206 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2022-07-12 14:27:53,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:27:53,392 INFO L93 Difference]: Finished difference Result 2894 states and 4233 transitions. [2022-07-12 14:27:53,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:27:53,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 665 [2022-07-12 14:27:53,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:27:53,396 INFO L225 Difference]: With dead ends: 2894 [2022-07-12 14:27:53,396 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 14:27:53,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 663 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:27:53,411 INFO L413 NwaCegarLoop]: 4189 mSDtfsCounter, 3966 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3966 SdHoareTripleChecker+Valid, 4244 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:27:53,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3966 Valid, 4244 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 14:27:53,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 14:27:53,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 14:27:53,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 14:27:53,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 14:27:53,413 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 665 [2022-07-12 14:27:53,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:27:53,413 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 14:27:53,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2022-07-12 14:27:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 14:27:53,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 14:27:53,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 14:27:53,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 14:27:53,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:27:53,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.