./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--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-32_7a-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 114d7004654a3d86a028c0b122f5dce364226bca3b84d6d8b6f812ccac52ec20 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 13:51:50,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:51:50,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:51:50,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:51:50,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:51:50,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:51:50,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:51:50,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:51:50,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:51:50,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:51:50,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:51:50,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:51:50,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:51:50,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:51:50,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:51:50,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:51:50,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:51:50,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:51:50,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:51:50,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:51:50,086 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:51:50,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:51:50,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:51:50,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:51:50,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:51:50,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:51:50,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:51:50,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:51:50,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:51:50,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:51:50,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:51:50,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:51:50,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:51:50,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:51:50,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:51:50,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:51:50,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:51:50,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:51:50,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:51:50,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:51:50,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:51:50,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:51:50,104 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:51:50,127 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:51:50,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:51:50,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:51:50,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:51:50,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:51:50,129 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:51:50,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:51:50,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:51:50,130 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:51:50,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:51:50,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:51:50,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:51:50,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:51:50,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:51:50,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:51:50,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:51:50,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:51:50,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:51:50,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:51:50,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:51:50,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:51:50,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:51:50,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:51:50,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:51:50,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:51:50,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:51:50,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:51:50,134 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:51:50,134 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:51:50,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:51:50,135 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 114d7004654a3d86a028c0b122f5dce364226bca3b84d6d8b6f812ccac52ec20 [2022-07-12 13:51:50,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:51:50,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:51:50,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:51:50,377 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:51:50,378 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:51:50,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-12 13:51:50,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1489320c3/6438c106b6d1476cbf4fcdc7efe695af/FLAG48c3cfac0 [2022-07-12 13:51:51,205 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:51:51,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-12 13:51:51,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1489320c3/6438c106b6d1476cbf4fcdc7efe695af/FLAG48c3cfac0 [2022-07-12 13:51:51,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1489320c3/6438c106b6d1476cbf4fcdc7efe695af [2022-07-12 13:51:51,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:51:51,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:51:51,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:51:51,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:51:51,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:51:51,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:51:51" (1/1) ... [2022-07-12 13:51:51,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c82d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:51, skipping insertion in model container [2022-07-12 13:51:51,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:51:51" (1/1) ... [2022-07-12 13:51:51,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:51:51,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:51:53,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[447736,447749] [2022-07-12 13:51:53,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:51:53,501 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:51:53,668 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 13:51:53,678 INFO L158 Benchmark]: Toolchain (without parser) took 2201.06ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 77.1MB in the beginning and 78.9MB in the end (delta: -1.8MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2022-07-12 13:51:53,678 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 13:51:53,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2198.63ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 77.1MB in the beginning and 78.9MB in the end (delta: -1.8MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2022-07-12 13:51:53,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2198.63ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 77.1MB in the beginning and 78.9MB in the end (delta: -1.8MB). Peak memory consumption was 85.3MB. 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-32_7a-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 114d7004654a3d86a028c0b122f5dce364226bca3b84d6d8b6f812ccac52ec20 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 13:51:55,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:51:55,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:51:55,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:51:55,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:51:55,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:51:55,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:51:55,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:51:55,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:51:55,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:51:55,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:51:55,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:51:55,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:51:55,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:51:55,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:51:55,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:51:55,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:51:55,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:51:55,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:51:55,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:51:55,173 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:51:55,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:51:55,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:51:55,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:51:55,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:51:55,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:51:55,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:51:55,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:51:55,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:51:55,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:51:55,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:51:55,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:51:55,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:51:55,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:51:55,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:51:55,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:51:55,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:51:55,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:51:55,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:51:55,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:51:55,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:51:55,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:51:55,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 13:51:55,217 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:51:55,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:51:55,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:51:55,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:51:55,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:51:55,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:51:55,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:51:55,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:51:55,219 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:51:55,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:51:55,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:51:55,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:51:55,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:51:55,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:51:55,220 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 13:51:55,220 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 13:51:55,220 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 13:51:55,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:51:55,220 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:51:55,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:51:55,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:51:55,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:51:55,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:51:55,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:51:55,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:51:55,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:51:55,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:51:55,222 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 13:51:55,222 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 13:51:55,222 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:51:55,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:51:55,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:51:55,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 13:51:55,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 114d7004654a3d86a028c0b122f5dce364226bca3b84d6d8b6f812ccac52ec20 [2022-07-12 13:51:55,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:51:55,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:51:55,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:51:55,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:51:55,491 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:51:55,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-12 13:51:55,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/738ec9219/b051c828633343d5852893aac7f3750a/FLAGa39e78ecb [2022-07-12 13:51:56,239 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:51:56,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-12 13:51:56,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/738ec9219/b051c828633343d5852893aac7f3750a/FLAGa39e78ecb [2022-07-12 13:51:56,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/738ec9219/b051c828633343d5852893aac7f3750a [2022-07-12 13:51:56,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:51:56,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:51:56,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:51:56,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:51:56,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:51:56,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:51:56" (1/1) ... [2022-07-12 13:51:56,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4746f5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:56, skipping insertion in model container [2022-07-12 13:51:56,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:51:56" (1/1) ... [2022-07-12 13:51:56,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:51:56,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:51:58,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[447736,447749] [2022-07-12 13:51:58,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:51:58,987 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 13:51:59,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:51:59,328 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[447736,447749] [2022-07-12 13:51:59,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:51:59,378 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:51:59,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[447736,447749] [2022-07-12 13:51:59,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:51:59,958 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:51:59,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:59 WrapperNode [2022-07-12 13:51:59,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:51:59,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:51:59,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:51:59,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:51:59,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:59" (1/1) ... [2022-07-12 13:52:00,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:59" (1/1) ... [2022-07-12 13:52:00,223 INFO L137 Inliner]: procedures = 376, calls = 4604, calls flagged for inlining = 125, calls inlined = 121, statements flattened = 8610 [2022-07-12 13:52:00,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:52:00,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:52:00,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:52:00,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:52:00,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:59" (1/1) ... [2022-07-12 13:52:00,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:59" (1/1) ... [2022-07-12 13:52:00,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:59" (1/1) ... [2022-07-12 13:52:00,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:59" (1/1) ... [2022-07-12 13:52:00,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:59" (1/1) ... [2022-07-12 13:52:00,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:59" (1/1) ... [2022-07-12 13:52:00,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:59" (1/1) ... [2022-07-12 13:52:00,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:52:00,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:52:00,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:52:00,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:52:00,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:59" (1/1) ... [2022-07-12 13:52:00,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:52:00,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:52:00,590 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 13:52:00,611 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 13:52:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 13:52:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 13:52:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-12 13:52:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-12 13:52:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-12 13:52:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-12 13:52:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 13:52:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-12 13:52:00,621 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-12 13:52:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 13:52:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 13:52:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:52:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 13:52:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:52:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-12 13:52:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-12 13:52:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:52:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:52:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-12 13:52:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-12 13:52:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:52:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:52:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_power_mgmt [2022-07-12 13:52:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_power_mgmt [2022-07-12 13:52:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_station [2022-07-12 13:52:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_station [2022-07-12 13:52:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-12 13:52:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-12 13:52:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure eth_zero_addr [2022-07-12 13:52:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_zero_addr [2022-07-12 13:52:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-12 13:52:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-12 13:52:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 13:52:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 13:52:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-12 13:52:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-12 13:52:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-12 13:52:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-12 13:52:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-12 13:52:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-12 13:52:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:52:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:52:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_leave_ibss [2022-07-12 13:52:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_leave_ibss [2022-07-12 13:52:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-12 13:52:00,626 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-12 13:52:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-12 13:52:00,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-12 13:52:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-12 13:52:00,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-12 13:52:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_worker [2022-07-12 13:52:00,627 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_worker [2022-07-12 13:52:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-12 13:52:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-12 13:52:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_change_virtual_intf [2022-07-12 13:52:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_change_virtual_intf [2022-07-12 13:52:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_tx_power [2022-07-12 13:52:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_tx_power [2022-07-12 13:52:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-12 13:52:00,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-12 13:52:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_default_key [2022-07-12 13:52:00,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_default_key [2022-07-12 13:52:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_del_pmksa [2022-07-12 13:52:00,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_del_pmksa [2022-07-12 13:52:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-12 13:52:00,629 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-12 13:52:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 13:52:00,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 13:52:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:52:00,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:52:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-12 13:52:00,630 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-12 13:52:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-12 13:52:00,631 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-12 13:52:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_tx_power [2022-07-12 13:52:00,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_tx_power [2022-07-12 13:52:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-12 13:52:00,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-12 13:52:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-12 13:52:00,631 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-12 13:52:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:52:00,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:52:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_del_key [2022-07-12 13:52:00,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_del_key [2022-07-12 13:52:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-12 13:52:00,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-12 13:52:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:52:00,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:52:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure eth_broadcast_addr [2022-07-12 13:52:00,633 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_broadcast_addr [2022-07-12 13:52:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 13:52:00,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 13:52:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-12 13:52:00,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-12 13:52:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 13:52:00,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 13:52:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 13:52:00,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 13:52:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_scan_results [2022-07-12 13:52:00,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_scan_results [2022-07-12 13:52:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:52:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 13:52:00,635 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 13:52:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_cqm_rssi_config [2022-07-12 13:52:00,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_cqm_rssi_config [2022-07-12 13:52:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-12 13:52:00,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-12 13:52:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_join_ibss [2022-07-12 13:52:00,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_join_ibss [2022-07-12 13:52:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-12 13:52:00,637 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-12 13:52:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-12 13:52:00,639 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-12 13:52:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-12 13:52:00,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-12 13:52:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-12 13:52:00,640 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-12 13:52:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:52:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-12 13:52:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-12 13:52:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_flush_pmksa [2022-07-12 13:52:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_flush_pmksa [2022-07-12 13:52:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-12 13:52:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-12 13:52:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 13:52:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 13:52:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-12 13:52:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-12 13:52:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 13:52:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 13:52:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-12 13:52:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-12 13:52:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-12 13:52:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-12 13:52:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 13:52:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 13:52:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 13:52:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-12 13:52:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-12 13:52:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 13:52:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:52:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:52:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-07-12 13:52:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-07-12 13:52:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-12 13:52:00,647 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-12 13:52:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-12 13:52:00,647 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-12 13:52:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 13:52:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 13:52:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 13:52:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 13:52:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-12 13:52:00,647 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-12 13:52:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 13:52:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 13:52:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-12 13:52:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-12 13:52:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 13:52:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 13:52:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-12 13:52:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-12 13:52:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 13:52:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 13:52:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-12 13:52:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-12 13:52:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-12 13:52:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-12 13:52:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 13:52:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 13:52:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-12 13:52:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-12 13:52:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-12 13:52:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-12 13:52:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 13:52:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 13:52:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-12 13:52:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-12 13:52:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-12 13:52:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-12 13:52:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-12 13:52:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-12 13:52:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_pmksa [2022-07-12 13:52:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_pmksa [2022-07-12 13:52:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-12 13:52:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-12 13:52:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-12 13:52:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-12 13:52:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-12 13:52:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-12 13:52:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure get_current_channel [2022-07-12 13:52:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current_channel [2022-07-12 13:52:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-12 13:52:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-12 13:52:00,653 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-12 13:52:00,653 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-12 13:52:00,653 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-12 13:52:00,653 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-12 13:52:00,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:52:00,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:52:00,653 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-12 13:52:00,653 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-12 13:52:00,653 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:52:00,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:52:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-12 13:52:00,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-12 13:52:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-12 13:52:00,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-12 13:52:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-12 13:52:00,654 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-12 13:52:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-12 13:52:00,654 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-12 13:52:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-12 13:52:00,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-12 13:52:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 13:52:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 13:52:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 13:52:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 13:52:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:52:00,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:52:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:52:00,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:52:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-12 13:52:00,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-12 13:52:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-12 13:52:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-12 13:52:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-12 13:52:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-12 13:52:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:52:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-12 13:52:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-12 13:52:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-12 13:52:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-12 13:52:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-12 13:52:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-12 13:52:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-12 13:52:00,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-12 13:52:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:52:00,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:52:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:52:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-12 13:52:00,660 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-12 13:52:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-12 13:52:00,660 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-12 13:52:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-12 13:52:00,660 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-12 13:52:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:52:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 13:52:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 13:52:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-12 13:52:00,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-12 13:52:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-12 13:52:00,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-12 13:52:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 13:52:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-12 13:52:00,662 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-12 13:52:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_device_poller [2022-07-12 13:52:00,662 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_device_poller [2022-07-12 13:52:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-12 13:52:00,662 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-12 13:52:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_add_key [2022-07-12 13:52:00,662 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_add_key [2022-07-12 13:52:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 13:52:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 13:52:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-12 13:52:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-12 13:52:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-12 13:52:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-12 13:52:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-12 13:52:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-12 13:52:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 13:52:00,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 13:52:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-12 13:52:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-12 13:52:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-12 13:52:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-12 13:52:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-12 13:52:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-12 13:52:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-12 13:52:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-12 13:52:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-12 13:52:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-12 13:52:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-12 13:52:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-12 13:52:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-12 13:52:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-12 13:52:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 13:52:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 13:52:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_scan [2022-07-12 13:52:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_scan [2022-07-12 13:52:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 13:52:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-12 13:52:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-12 13:52:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-12 13:52:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-12 13:52:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-07-12 13:52:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-07-12 13:52:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:52:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:52:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_dump_station [2022-07-12 13:52:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_dump_station [2022-07-12 13:52:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 13:52:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 13:52:01,508 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:52:01,512 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:52:05,924 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:54:05,197 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:54:05,218 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:54:05,218 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 13:54:05,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:54:05 BoogieIcfgContainer [2022-07-12 13:54:05,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:54:05,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:54:05,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:54:05,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:54:05,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:51:56" (1/3) ... [2022-07-12 13:54:05,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e093650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:54:05, skipping insertion in model container [2022-07-12 13:54:05,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:51:59" (2/3) ... [2022-07-12 13:54:05,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e093650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:54:05, skipping insertion in model container [2022-07-12 13:54:05,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:54:05" (3/3) ... [2022-07-12 13:54:05,229 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-12 13:54:05,238 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:54:05,239 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:54:05,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:54:05,336 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@5d2a63ce, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3876a8ba [2022-07-12 13:54:05,336 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:54:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 2903 states, 2017 states have (on average 1.3792761527020327) internal successors, (2782), 2045 states have internal predecessors, (2782), 749 states have call successors, (749), 136 states have call predecessors, (749), 135 states have return successors, (738), 738 states have call predecessors, (738), 738 states have call successors, (738) [2022-07-12 13:54:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-07-12 13:54:05,387 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:54:05,389 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:54:05,389 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:54:05,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:54:05,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1730661843, now seen corresponding path program 1 times [2022-07-12 13:54:05,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:54:05,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683178257] [2022-07-12 13:54:05,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:54:05,411 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:54:05,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:54:05,413 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 13:54:05,423 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 13:54:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:54:09,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 5672 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 13:54:09,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:54:10,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5144 backedges. 1391 proven. 0 refuted. 0 times theorem prover too weak. 3753 trivial. 0 not checked. [2022-07-12 13:54:10,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:54:10,018 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:54:10,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683178257] [2022-07-12 13:54:10,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [683178257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:54:10,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:54:10,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:54:10,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044457770] [2022-07-12 13:54:10,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:54:10,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 13:54:10,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:54:10,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 13:54:10,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 13:54:10,054 INFO L87 Difference]: Start difference. First operand has 2903 states, 2017 states have (on average 1.3792761527020327) internal successors, (2782), 2045 states have internal predecessors, (2782), 749 states have call successors, (749), 136 states have call predecessors, (749), 135 states have return successors, (738), 738 states have call predecessors, (738), 738 states have call successors, (738) Second operand has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-12 13:54:10,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:54:10,243 INFO L93 Difference]: Finished difference Result 5801 states and 8836 transitions. [2022-07-12 13:54:10,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 13:54:10,245 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 610 [2022-07-12 13:54:10,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:54:10,274 INFO L225 Difference]: With dead ends: 5801 [2022-07-12 13:54:10,275 INFO L226 Difference]: Without dead ends: 2884 [2022-07-12 13:54:10,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 609 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 13:54:10,303 INFO L413 NwaCegarLoop]: 4259 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, 4259 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 13:54:10,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4259 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 13:54:10,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2884 states. [2022-07-12 13:54:10,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2884 to 2884. [2022-07-12 13:54:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2884 states, 2011 states have (on average 1.3724515166583788) internal successors, (2760), 2026 states have internal predecessors, (2760), 738 states have call successors, (738), 135 states have call predecessors, (738), 134 states have return successors, (732), 732 states have call predecessors, (732), 732 states have call successors, (732) [2022-07-12 13:54:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2884 states and 4230 transitions. [2022-07-12 13:54:10,478 INFO L78 Accepts]: Start accepts. Automaton has 2884 states and 4230 transitions. Word has length 610 [2022-07-12 13:54:10,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:54:10,479 INFO L495 AbstractCegarLoop]: Abstraction has 2884 states and 4230 transitions. [2022-07-12 13:54:10,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-12 13:54:10,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 4230 transitions. [2022-07-12 13:54:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-07-12 13:54:10,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:54:10,494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:54:10,599 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 13:54:10,695 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 13:54:10,696 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:54:10,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:54:10,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1496753067, now seen corresponding path program 1 times [2022-07-12 13:54:10,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:54:10,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418835528] [2022-07-12 13:54:10,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:54:10,700 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:54:10,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:54:10,703 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 13:54:10,705 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 13:54:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:54:18,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 5672 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 13:54:18,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:54:19,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5144 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 4937 trivial. 0 not checked. [2022-07-12 13:54:19,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:54:19,712 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:54:19,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418835528] [2022-07-12 13:54:19,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [418835528] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:54:19,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:54:19,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:54:19,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137803807] [2022-07-12 13:54:19,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:54:19,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:54:19,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:54:19,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:54:19,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:54:19,718 INFO L87 Difference]: Start difference. First operand 2884 states and 4230 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-12 13:54:26,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:54:26,356 INFO L93 Difference]: Finished difference Result 5730 states and 8663 transitions. [2022-07-12 13:54:26,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:54:26,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 610 [2022-07-12 13:54:26,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:54:26,372 INFO L225 Difference]: With dead ends: 5730 [2022-07-12 13:54:26,373 INFO L226 Difference]: Without dead ends: 2885 [2022-07-12 13:54:26,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:54:26,388 INFO L413 NwaCegarLoop]: 4203 mSDtfsCounter, 6 mSDsluCounter, 16739 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 20942 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 13:54:26,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 20942 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-12 13:54:26,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2022-07-12 13:54:26,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 2885. [2022-07-12 13:54:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2885 states, 2012 states have (on average 1.3722664015904573) internal successors, (2761), 2027 states have internal predecessors, (2761), 738 states have call successors, (738), 135 states have call predecessors, (738), 134 states have return successors, (732), 732 states have call predecessors, (732), 732 states have call successors, (732) [2022-07-12 13:54:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2885 states and 4231 transitions. [2022-07-12 13:54:26,455 INFO L78 Accepts]: Start accepts. Automaton has 2885 states and 4231 transitions. Word has length 610 [2022-07-12 13:54:26,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:54:26,457 INFO L495 AbstractCegarLoop]: Abstraction has 2885 states and 4231 transitions. [2022-07-12 13:54:26,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-12 13:54:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 4231 transitions. [2022-07-12 13:54:26,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2022-07-12 13:54:26,464 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:54:26,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:54:26,568 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 13:54:26,687 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 13:54:26,688 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:54:26,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:54:26,688 INFO L85 PathProgramCache]: Analyzing trace with hash 663251861, now seen corresponding path program 1 times [2022-07-12 13:54:26,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:54:26,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344236127] [2022-07-12 13:54:26,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:54:26,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:54:26,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:54:26,698 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 13:54:26,700 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 13:54:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:54:34,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 5936 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 13:54:34,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:54:36,355 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 276 proven. 1 refuted. 0 times theorem prover too weak. 5719 trivial. 0 not checked. [2022-07-12 13:54:36,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:54:41,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 5765 trivial. 0 not checked. [2022-07-12 13:54:41,311 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:54:41,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344236127] [2022-07-12 13:54:41,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344236127] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:54:41,312 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:54:41,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-12 13:54:41,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868809512] [2022-07-12 13:54:41,312 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:54:41,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 13:54:41,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:54:41,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 13:54:41,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:54:41,315 INFO L87 Difference]: Start difference. First operand 2885 states and 4231 transitions. Second operand has 11 states, 9 states have (on average 11.666666666666666) internal successors, (105), 11 states have internal predecessors, (105), 4 states have call successors, (74), 2 states have call predecessors, (74), 5 states have return successors, (74), 4 states have call predecessors, (74), 4 states have call successors, (74) [2022-07-12 13:54:50,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:54:50,989 INFO L93 Difference]: Finished difference Result 5742 states and 8679 transitions. [2022-07-12 13:54:50,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 13:54:50,990 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 11.666666666666666) internal successors, (105), 11 states have internal predecessors, (105), 4 states have call successors, (74), 2 states have call predecessors, (74), 5 states have return successors, (74), 4 states have call predecessors, (74), 4 states have call successors, (74) Word has length 634 [2022-07-12 13:54:50,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:54:51,006 INFO L225 Difference]: With dead ends: 5742 [2022-07-12 13:54:51,006 INFO L226 Difference]: Without dead ends: 2901 [2022-07-12 13:54:51,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1270 GetRequests, 1257 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-12 13:54:51,027 INFO L413 NwaCegarLoop]: 4205 mSDtfsCounter, 10 mSDsluCounter, 25116 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 29321 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:54:51,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 29321 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-07-12 13:54:51,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2901 states. [2022-07-12 13:54:51,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2901 to 2901. [2022-07-12 13:54:51,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 2023 states have (on average 1.37073652990608) internal successors, (2773), 2038 states have internal predecessors, (2773), 740 states have call successors, (740), 138 states have call predecessors, (740), 137 states have return successors, (734), 734 states have call predecessors, (734), 734 states have call successors, (734) [2022-07-12 13:54:51,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 4247 transitions. [2022-07-12 13:54:51,101 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 4247 transitions. Word has length 634 [2022-07-12 13:54:51,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:54:51,102 INFO L495 AbstractCegarLoop]: Abstraction has 2901 states and 4247 transitions. [2022-07-12 13:54:51,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 11.666666666666666) internal successors, (105), 11 states have internal predecessors, (105), 4 states have call successors, (74), 2 states have call predecessors, (74), 5 states have return successors, (74), 4 states have call predecessors, (74), 4 states have call successors, (74) [2022-07-12 13:54:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 4247 transitions. [2022-07-12 13:54:51,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2022-07-12 13:54:51,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:54:51,109 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:54:51,207 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 13:54:51,323 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 13:54:51,324 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:54:51,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:54:51,324 INFO L85 PathProgramCache]: Analyzing trace with hash -337739471, now seen corresponding path program 2 times [2022-07-12 13:54:51,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:54:51,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720773944] [2022-07-12 13:54:51,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:54:51,328 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:54:51,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:54:51,330 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 13:54:51,331 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 13:54:54,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 13:54:54,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:54:54,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 3905 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:54:54,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:55:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6884 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6884 trivial. 0 not checked. [2022-07-12 13:55:27,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:55:27,397 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:55:27,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720773944] [2022-07-12 13:55:27,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720773944] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:55:27,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:55:27,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:55:27,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844392765] [2022-07-12 13:55:27,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:55:27,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:55:27,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:55:27,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:55:27,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:55:27,398 INFO L87 Difference]: Start difference. First operand 2901 states and 4247 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-12 13:55:27,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:55:27,574 INFO L93 Difference]: Finished difference Result 2921 states and 4265 transitions. [2022-07-12 13:55:27,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:55:27,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 650 [2022-07-12 13:55:27,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:55:27,586 INFO L225 Difference]: With dead ends: 2921 [2022-07-12 13:55:27,586 INFO L226 Difference]: Without dead ends: 2915 [2022-07-12 13:55:27,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 648 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 13:55:27,588 INFO L413 NwaCegarLoop]: 4224 mSDtfsCounter, 3910 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3910 SdHoareTripleChecker+Valid, 4372 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:55:27,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3910 Valid, 4372 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 13:55:27,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2915 states. [2022-07-12 13:55:27,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2915 to 2913. [2022-07-12 13:55:27,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2034 states have (on average 1.3692232055063913) internal successors, (2785), 2047 states have internal predecessors, (2785), 738 states have call successors, (738), 141 states have call predecessors, (738), 140 states have return successors, (734), 734 states have call predecessors, (734), 734 states have call successors, (734) [2022-07-12 13:55:27,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 4257 transitions. [2022-07-12 13:55:27,676 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 4257 transitions. Word has length 650 [2022-07-12 13:55:27,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:55:27,678 INFO L495 AbstractCegarLoop]: Abstraction has 2913 states and 4257 transitions. [2022-07-12 13:55:27,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-12 13:55:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 4257 transitions. [2022-07-12 13:55:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2022-07-12 13:55:27,685 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:55:27,685 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:55:27,760 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 13:55:27,911 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 13:55:27,912 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:55:27,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:55:27,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1881226883, now seen corresponding path program 1 times [2022-07-12 13:55:27,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:55:27,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792985271] [2022-07-12 13:55:27,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:55:27,916 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:55:27,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:55:27,918 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:55:27,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 13:55:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:55:36,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 6113 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 13:55:36,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:55:38,557 INFO L134 CoverageAnalysis]: Checked inductivity of 6884 backedges. 367 proven. 3 refuted. 0 times theorem prover too weak. 6514 trivial. 0 not checked. [2022-07-12 13:55:38,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:55:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6884 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 6560 trivial. 0 not checked. [2022-07-12 13:55:45,393 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:55:45,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792985271] [2022-07-12 13:55:45,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792985271] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:55:45,393 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:55:45,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-12 13:55:45,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210482194] [2022-07-12 13:55:45,394 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:55:45,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 13:55:45,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:55:45,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 13:55:45,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-12 13:55:45,396 INFO L87 Difference]: Start difference. First operand 2913 states and 4257 transitions. Second operand has 13 states, 11 states have (on average 9.818181818181818) internal successors, (108), 13 states have internal predecessors, (108), 4 states have call successors, (74), 2 states have call predecessors, (74), 5 states have return successors, (74), 4 states have call predecessors, (74), 4 states have call successors, (74) [2022-07-12 13:55:54,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:55:54,987 INFO L93 Difference]: Finished difference Result 5795 states and 8719 transitions. [2022-07-12 13:55:54,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 13:55:54,988 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.818181818181818) internal successors, (108), 13 states have internal predecessors, (108), 4 states have call successors, (74), 2 states have call predecessors, (74), 5 states have return successors, (74), 4 states have call predecessors, (74), 4 states have call successors, (74) Word has length 651 [2022-07-12 13:55:54,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:55:55,001 INFO L225 Difference]: With dead ends: 5795 [2022-07-12 13:55:55,001 INFO L226 Difference]: Without dead ends: 2921 [2022-07-12 13:55:55,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1304 GetRequests, 1289 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-07-12 13:55:55,018 INFO L413 NwaCegarLoop]: 4202 mSDtfsCounter, 19 mSDsluCounter, 20921 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 25123 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-07-12 13:55:55,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 25123 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-07-12 13:55:55,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2022-07-12 13:55:55,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2921. [2022-07-12 13:55:55,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2041 states have (on average 1.368936795688388) internal successors, (2794), 2054 states have internal predecessors, (2794), 738 states have call successors, (738), 142 states have call predecessors, (738), 141 states have return successors, (734), 734 states have call predecessors, (734), 734 states have call successors, (734) [2022-07-12 13:55:55,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 4266 transitions. [2022-07-12 13:55:55,082 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 4266 transitions. Word has length 651 [2022-07-12 13:55:55,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:55:55,083 INFO L495 AbstractCegarLoop]: Abstraction has 2921 states and 4266 transitions. [2022-07-12 13:55:55,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.818181818181818) internal successors, (108), 13 states have internal predecessors, (108), 4 states have call successors, (74), 2 states have call predecessors, (74), 5 states have return successors, (74), 4 states have call predecessors, (74), 4 states have call successors, (74) [2022-07-12 13:55:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 4266 transitions. [2022-07-12 13:55:55,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2022-07-12 13:55:55,089 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:55:55,089 INFO L195 NwaCegarLoop]: trace histogram [55, 24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:55:55,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 13:55:55,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:55:55,315 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:55:55,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:55:55,316 INFO L85 PathProgramCache]: Analyzing trace with hash 908818737, now seen corresponding path program 2 times [2022-07-12 13:55:55,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:55:55,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786274511] [2022-07-12 13:55:55,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:55:55,319 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:55:55,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:55:55,320 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:55:55,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 13:55:58,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 13:55:58,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:55:58,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 3906 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:55:58,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:55:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7949 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7949 trivial. 0 not checked. [2022-07-12 13:55:59,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:55:59,454 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:55:59,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786274511] [2022-07-12 13:55:59,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786274511] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:55:59,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:55:59,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:55:59,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144271063] [2022-07-12 13:55:59,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:55:59,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:55:59,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:55:59,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:55:59,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:55:59,456 INFO L87 Difference]: Start difference. First operand 2921 states and 4266 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-12 13:56:00,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:56:00,263 INFO L93 Difference]: Finished difference Result 8477 states and 12402 transitions. [2022-07-12 13:56:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:56:00,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 666 [2022-07-12 13:56:00,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:56:00,289 INFO L225 Difference]: With dead ends: 8477 [2022-07-12 13:56:00,289 INFO L226 Difference]: Without dead ends: 5668 [2022-07-12 13:56:00,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 665 GetRequests, 664 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 13:56:00,296 INFO L413 NwaCegarLoop]: 4910 mSDtfsCounter, 4003 mSDsluCounter, 4206 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4003 SdHoareTripleChecker+Valid, 9116 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 13:56:00,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4003 Valid, 9116 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 13:56:00,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5668 states. [2022-07-12 13:56:00,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5668 to 5665. [2022-07-12 13:56:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5665 states, 3978 states have (on average 1.376068376068376) internal successors, (5474), 4001 states have internal predecessors, (5474), 1409 states have call successors, (1409), 278 states have call predecessors, (1409), 277 states have return successors, (1405), 1405 states have call predecessors, (1405), 1405 states have call successors, (1405) [2022-07-12 13:56:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5665 states to 5665 states and 8288 transitions. [2022-07-12 13:56:00,438 INFO L78 Accepts]: Start accepts. Automaton has 5665 states and 8288 transitions. Word has length 666 [2022-07-12 13:56:00,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:56:00,439 INFO L495 AbstractCegarLoop]: Abstraction has 5665 states and 8288 transitions. [2022-07-12 13:56:00,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-12 13:56:00,439 INFO L276 IsEmpty]: Start isEmpty. Operand 5665 states and 8288 transitions. [2022-07-12 13:56:00,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2022-07-12 13:56:00,448 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:56:00,448 INFO L195 NwaCegarLoop]: trace histogram [55, 24, 24, 24, 24, 24, 24, 24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:56:00,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-12 13:56:00,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:56:00,663 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:56:00,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:56:00,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1167116848, now seen corresponding path program 1 times [2022-07-12 13:56:00,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:56:00,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952708927] [2022-07-12 13:56:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:56:00,668 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:56:00,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:56:00,669 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:56:00,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 13:56:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:56:08,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 6349 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 13:56:08,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:56:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 8229 backedges. 764 proven. 6 refuted. 0 times theorem prover too weak. 7459 trivial. 0 not checked. [2022-07-12 13:56:10,626 INFO L328 TraceCheckSpWp]: Computing backward predicates...