./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3f5bdb6b0aa6babe38c3d2b7c8b86a9d169e61742b5c110bfab8a392415efc49 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:41:14,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:41:14,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:41:14,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:41:15,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:41:15,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:41:15,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:41:15,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:41:15,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:41:15,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:41:15,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:41:15,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:41:15,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:41:15,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:41:15,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:41:15,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:41:15,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:41:15,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:41:15,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:41:15,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:41:15,036 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:41:15,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:41:15,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:41:15,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:41:15,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:41:15,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:41:15,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:41:15,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:41:15,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:41:15,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:41:15,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:41:15,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:41:15,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:41:15,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:41:15,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:41:15,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:41:15,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:41:15,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:41:15,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:41:15,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:41:15,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:41:15,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:41:15,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:41:15,101 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:41:15,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:41:15,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:41:15,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:41:15,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:41:15,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:41:15,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:41:15,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:41:15,105 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:41:15,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:41:15,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:41:15,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:41:15,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:41:15,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:41:15,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:41:15,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:41:15,107 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:41:15,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:41:15,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:41:15,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:41:15,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:41:15,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:41:15,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:41:15,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:41:15,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:41:15,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:41:15,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:41:15,111 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:41:15,111 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:41:15,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:41:15,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f5bdb6b0aa6babe38c3d2b7c8b86a9d169e61742b5c110bfab8a392415efc49 [2022-07-23 01:41:15,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:41:15,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:41:15,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:41:15,394 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:41:15,394 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:41:15,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-23 01:41:15,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db04caef6/2771130af6b544eb9aea1805ece61fe5/FLAG4a96fccfe [2022-07-23 01:41:16,326 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:41:16,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-23 01:41:16,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db04caef6/2771130af6b544eb9aea1805ece61fe5/FLAG4a96fccfe [2022-07-23 01:41:16,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db04caef6/2771130af6b544eb9aea1805ece61fe5 [2022-07-23 01:41:16,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:41:16,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:41:16,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:41:16,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:41:16,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:41:16,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:41:16" (1/1) ... [2022-07-23 01:41:16,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c06973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:16, skipping insertion in model container [2022-07-23 01:41:16,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:41:16" (1/1) ... [2022-07-23 01:41:16,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:41:16,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:41:19,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[448621,448634] [2022-07-23 01:41:20,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:41:20,098 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:41:20,276 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) [2022-07-23 01:41:20,282 INFO L158 Benchmark]: Toolchain (without parser) took 3486.13ms. Allocated memory was 92.3MB in the beginning and 163.6MB in the end (delta: 71.3MB). Free memory was 59.2MB in the beginning and 76.1MB in the end (delta: -16.9MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2022-07-23 01:41:20,282 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 01:41:20,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3482.41ms. Allocated memory was 92.3MB in the beginning and 163.6MB in the end (delta: 71.3MB). Free memory was 59.2MB in the beginning and 76.1MB in the end (delta: -16.9MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2022-07-23 01:41:20,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3482.41ms. Allocated memory was 92.3MB in the beginning and 163.6MB in the end (delta: 71.3MB). Free memory was 59.2MB in the beginning and 76.1MB in the end (delta: -16.9MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3f5bdb6b0aa6babe38c3d2b7c8b86a9d169e61742b5c110bfab8a392415efc49 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:41:22,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:41:22,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:41:22,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:41:22,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:41:22,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:41:22,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:41:22,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:41:22,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:41:22,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:41:22,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:41:22,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:41:22,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:41:22,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:41:22,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:41:22,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:41:22,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:41:22,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:41:22,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:41:22,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:41:22,356 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:41:22,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:41:22,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:41:22,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:41:22,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:41:22,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:41:22,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:41:22,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:41:22,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:41:22,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:41:22,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:41:22,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:41:22,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:41:22,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:41:22,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:41:22,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:41:22,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:41:22,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:41:22,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:41:22,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:41:22,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:41:22,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:41:22,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 01:41:22,431 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:41:22,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:41:22,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:41:22,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:41:22,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:41:22,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:41:22,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:41:22,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:41:22,434 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:41:22,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:41:22,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:41:22,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:41:22,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:41:22,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:41:22,436 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 01:41:22,436 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 01:41:22,437 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 01:41:22,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:41:22,437 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:41:22,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:41:22,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:41:22,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:41:22,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:41:22,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:41:22,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:41:22,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:41:22,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:41:22,439 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 01:41:22,439 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 01:41:22,439 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:41:22,440 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:41:22,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:41:22,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 01:41:22,440 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f5bdb6b0aa6babe38c3d2b7c8b86a9d169e61742b5c110bfab8a392415efc49 [2022-07-23 01:41:22,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:41:22,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:41:22,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:41:22,860 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:41:22,861 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:41:22,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-23 01:41:22,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183cfc06f/30414b47d4e84e33a2f798bf8afa47e1/FLAG9858f47ad [2022-07-23 01:41:23,954 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:41:23,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-23 01:41:24,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183cfc06f/30414b47d4e84e33a2f798bf8afa47e1/FLAG9858f47ad [2022-07-23 01:41:24,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183cfc06f/30414b47d4e84e33a2f798bf8afa47e1 [2022-07-23 01:41:24,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:41:24,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:41:24,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:41:24,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:41:24,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:41:24,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:41:24" (1/1) ... [2022-07-23 01:41:24,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a31162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:24, skipping insertion in model container [2022-07-23 01:41:24,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:41:24" (1/1) ... [2022-07-23 01:41:24,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:41:24,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:41:27,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[448621,448634] [2022-07-23 01:41:27,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:41:27,953 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 01:41:28,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:41:28,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[448621,448634] [2022-07-23 01:41:28,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:41:28,532 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:41:28,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i[448621,448634] [2022-07-23 01:41:28,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:41:29,128 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:41:29,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:29 WrapperNode [2022-07-23 01:41:29,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:41:29,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:41:29,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:41:29,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:41:29,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:29" (1/1) ... [2022-07-23 01:41:29,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:29" (1/1) ... [2022-07-23 01:41:29,449 INFO L137 Inliner]: procedures = 336, calls = 4533, calls flagged for inlining = 123, calls inlined = 121, statements flattened = 8271 [2022-07-23 01:41:29,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:41:29,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:41:29,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:41:29,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:41:29,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:29" (1/1) ... [2022-07-23 01:41:29,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:29" (1/1) ... [2022-07-23 01:41:29,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:29" (1/1) ... [2022-07-23 01:41:29,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:29" (1/1) ... [2022-07-23 01:41:29,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:29" (1/1) ... [2022-07-23 01:41:29,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:29" (1/1) ... [2022-07-23 01:41:29,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:29" (1/1) ... [2022-07-23 01:41:29,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:41:29,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:41:29,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:41:29,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:41:29,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:29" (1/1) ... [2022-07-23 01:41:29,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:41:29,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:41:29,937 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) [2022-07-23 01:41:29,969 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 [2022-07-23 01:41:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 01:41:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 01:41:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-23 01:41:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-23 01:41:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-23 01:41:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-23 01:41:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 01:41:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-23 01:41:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-23 01:41:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 01:41:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 01:41:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:41:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 01:41:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:41:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-23 01:41:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-23 01:41:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:41:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:41:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-23 01:41:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-23 01:41:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:41:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:41:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_power_mgmt [2022-07-23 01:41:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_power_mgmt [2022-07-23 01:41:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_station [2022-07-23 01:41:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_station [2022-07-23 01:41:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-23 01:41:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-23 01:41:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure eth_zero_addr [2022-07-23 01:41:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_zero_addr [2022-07-23 01:41:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-23 01:41:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-23 01:41:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 01:41:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 01:41:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-23 01:41:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-23 01:41:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-23 01:41:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-23 01:41:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-23 01:41:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-23 01:41:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:41:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:41:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_leave_ibss [2022-07-23 01:41:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_leave_ibss [2022-07-23 01:41:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-23 01:41:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-23 01:41:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-23 01:41:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-23 01:41:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-23 01:41:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-23 01:41:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_worker [2022-07-23 01:41:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_worker [2022-07-23 01:41:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-23 01:41:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-23 01:41:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_change_virtual_intf [2022-07-23 01:41:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_change_virtual_intf [2022-07-23 01:41:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_tx_power [2022-07-23 01:41:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_tx_power [2022-07-23 01:41:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-23 01:41:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-23 01:41:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_default_key [2022-07-23 01:41:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_default_key [2022-07-23 01:41:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_del_pmksa [2022-07-23 01:41:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_del_pmksa [2022-07-23 01:41:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-23 01:41:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-23 01:41:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 01:41:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 01:41:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:41:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:41:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-23 01:41:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-23 01:41:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-23 01:41:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-23 01:41:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_tx_power [2022-07-23 01:41:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_tx_power [2022-07-23 01:41:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-23 01:41:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-23 01:41:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-23 01:41:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-23 01:41:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:41:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:41:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_del_key [2022-07-23 01:41:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_del_key [2022-07-23 01:41:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-23 01:41:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-23 01:41:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:41:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:41:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure eth_broadcast_addr [2022-07-23 01:41:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_broadcast_addr [2022-07-23 01:41:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-23 01:41:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-23 01:41:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-23 01:41:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-23 01:41:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_get_scan_results [2022-07-23 01:41:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_get_scan_results [2022-07-23 01:41:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:41:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 01:41:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 01:41:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_cqm_rssi_config [2022-07-23 01:41:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_cqm_rssi_config [2022-07-23 01:41:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-23 01:41:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-23 01:41:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_join_ibss [2022-07-23 01:41:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_join_ibss [2022-07-23 01:41:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-23 01:41:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-23 01:41:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-23 01:41:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-23 01:41:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-23 01:41:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-23 01:41:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-23 01:41:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-23 01:41:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:41:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-23 01:41:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-23 01:41:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_flush_pmksa [2022-07-23 01:41:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_flush_pmksa [2022-07-23 01:41:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-23 01:41:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-23 01:41:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 01:41:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 01:41:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-23 01:41:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-23 01:41:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 01:41:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 01:41:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-23 01:41:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-23 01:41:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-23 01:41:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-23 01:41:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 01:41:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 01:41:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 01:41:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-23 01:41:30,026 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-23 01:41:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 01:41:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:41:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:41:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-07-23 01:41:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-07-23 01:41:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-23 01:41:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-23 01:41:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-23 01:41:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-23 01:41:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 01:41:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 01:41:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 01:41:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 01:41:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-23 01:41:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-23 01:41:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-23 01:41:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-23 01:41:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-23 01:41:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-23 01:41:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 01:41:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 01:41:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:41:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:41:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-23 01:41:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-23 01:41:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-23 01:41:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-23 01:41:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 01:41:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 01:41:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 01:41:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 01:41:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-23 01:41:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-23 01:41:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-23 01:41:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-23 01:41:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 01:41:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 01:41:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-23 01:41:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-23 01:41:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-23 01:41:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-23 01:41:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-23 01:41:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-23 01:41:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_pmksa [2022-07-23 01:41:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_pmksa [2022-07-23 01:41:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-23 01:41:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-23 01:41:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-23 01:41:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-23 01:41:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-23 01:41:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-23 01:41:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure get_current_channel [2022-07-23 01:41:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current_channel [2022-07-23 01:41:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-23 01:41:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-23 01:41:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-23 01:41:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-23 01:41:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-23 01:41:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-23 01:41:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:41:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:41:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:41:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:41:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-23 01:41:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-23 01:41:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:41:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:41:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-23 01:41:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-23 01:41:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-23 01:41:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-23 01:41:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-23 01:41:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-23 01:41:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-23 01:41:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-23 01:41:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-23 01:41:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-23 01:41:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 01:41:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 01:41:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 01:41:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 01:41:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:41:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:41:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:41:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:41:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-23 01:41:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-23 01:41:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-23 01:41:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-23 01:41:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:41:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-23 01:41:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-23 01:41:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-23 01:41:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-23 01:41:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-23 01:41:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-23 01:41:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:41:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:41:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:41:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-23 01:41:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-23 01:41:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-23 01:41:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-23 01:41:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-23 01:41:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-23 01:41:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:41:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 01:41:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 01:41:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-23 01:41:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-23 01:41:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-23 01:41:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-23 01:41:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 01:41:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-23 01:41:30,048 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-23 01:41:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_device_poller [2022-07-23 01:41:30,048 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_device_poller [2022-07-23 01:41:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-23 01:41:30,048 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-23 01:41:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_add_key [2022-07-23 01:41:30,048 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_add_key [2022-07-23 01:41:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 01:41:30,049 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 01:41:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-23 01:41:30,049 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-23 01:41:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-23 01:41:30,049 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-23 01:41:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-23 01:41:30,049 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-23 01:41:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 01:41:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 01:41:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-23 01:41:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-23 01:41:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-23 01:41:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-23 01:41:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-23 01:41:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-23 01:41:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-23 01:41:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-23 01:41:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-23 01:41:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-23 01:41:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-23 01:41:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-23 01:41:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-23 01:41:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-23 01:41:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 01:41:30,052 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 01:41:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_scan [2022-07-23 01:41:30,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_scan [2022-07-23 01:41:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 01:41:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-23 01:41:30,052 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-23 01:41:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-23 01:41:30,053 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-23 01:41:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-07-23 01:41:30,053 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-07-23 01:41:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:41:30,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:41:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_dump_station [2022-07-23 01:41:30,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_dump_station [2022-07-23 01:41:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 01:41:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 01:41:31,082 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:41:31,086 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:41:36,443 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:43:47,453 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:43:47,487 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:43:47,487 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 01:43:47,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:43:47 BoogieIcfgContainer [2022-07-23 01:43:47,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:43:47,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:43:47,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:43:47,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:43:47,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:41:24" (1/3) ... [2022-07-23 01:43:47,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d272131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:43:47, skipping insertion in model container [2022-07-23 01:43:47,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:29" (2/3) ... [2022-07-23 01:43:47,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d272131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:43:47, skipping insertion in model container [2022-07-23 01:43:47,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:43:47" (3/3) ... [2022-07-23 01:43:47,502 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rndis_wlan.ko-entry_point.cil.out.i [2022-07-23 01:43:47,518 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:43:47,518 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:43:47,650 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:43:47,657 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@32ef3dc1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@37355948 [2022-07-23 01:43:47,657 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:43:47,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 2875 states, 2004 states have (on average 1.379740518962076) internal successors, (2765), 2027 states have internal predecessors, (2765), 737 states have call successors, (737), 133 states have call predecessors, (737), 132 states have return successors, (726), 726 states have call predecessors, (726), 726 states have call successors, (726) [2022-07-23 01:43:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2022-07-23 01:43:47,728 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:43:47,730 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:43:47,731 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:43:47,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:43:47,736 INFO L85 PathProgramCache]: Analyzing trace with hash 952216789, now seen corresponding path program 1 times [2022-07-23 01:43:47,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:43:47,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20007047] [2022-07-23 01:43:47,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:43:47,762 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:43:47,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:43:47,765 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) [2022-07-23 01:43:47,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 01:43:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:43:52,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 5874 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 01:43:52,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:43:53,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5147 backedges. 1391 proven. 0 refuted. 0 times theorem prover too weak. 3756 trivial. 0 not checked. [2022-07-23 01:43:53,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:43:53,063 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:43:53,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20007047] [2022-07-23 01:43:53,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20007047] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:43:53,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:43:53,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:43:53,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486698516] [2022-07-23 01:43:53,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:43:53,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 01:43:53,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:43:53,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 01:43:53,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:43:53,110 INFO L87 Difference]: Start difference. First operand has 2875 states, 2004 states have (on average 1.379740518962076) internal successors, (2765), 2027 states have internal predecessors, (2765), 737 states have call successors, (737), 133 states have call predecessors, (737), 132 states have return successors, (726), 726 states have call predecessors, (726), 726 states have call successors, (726) Second operand has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-23 01:43:53,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:43:53,332 INFO L93 Difference]: Finished difference Result 5745 states and 8747 transitions. [2022-07-23 01:43:53,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 01:43:53,334 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 625 [2022-07-23 01:43:53,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:43:53,378 INFO L225 Difference]: With dead ends: 5745 [2022-07-23 01:43:53,379 INFO L226 Difference]: Without dead ends: 2852 [2022-07-23 01:43:53,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:43:53,420 INFO L413 NwaCegarLoop]: 4223 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4223 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:43:53,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4223 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:43:53,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2022-07-23 01:43:53,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2852. [2022-07-23 01:43:53,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 1994 states have (on average 1.3731193580742227) internal successors, (2738), 2004 states have internal predecessors, (2738), 726 states have call successors, (726), 132 states have call predecessors, (726), 131 states have return successors, (725), 725 states have call predecessors, (725), 725 states have call successors, (725) [2022-07-23 01:43:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 4189 transitions. [2022-07-23 01:43:53,655 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 4189 transitions. Word has length 625 [2022-07-23 01:43:53,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:43:53,657 INFO L495 AbstractCegarLoop]: Abstraction has 2852 states and 4189 transitions. [2022-07-23 01:43:53,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-23 01:43:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 4189 transitions. [2022-07-23 01:43:53,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2022-07-23 01:43:53,677 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:43:53,679 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:43:53,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-23 01:43:53,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:43:53,900 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:43:53,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:43:53,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1746801235, now seen corresponding path program 1 times [2022-07-23 01:43:53,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:43:53,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500468262] [2022-07-23 01:43:53,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:43:53,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:43:53,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:43:53,915 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) [2022-07-23 01:43:53,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 01:44:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:44:02,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 5874 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 01:44:02,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:44:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5147 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 4940 trivial. 0 not checked. [2022-07-23 01:44:03,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:44:03,709 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:44:03,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500468262] [2022-07-23 01:44:03,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500468262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:44:03,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:44:03,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:44:03,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650373865] [2022-07-23 01:44:03,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:44:03,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:44:03,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:44:03,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:44:03,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:44:03,718 INFO L87 Difference]: Start difference. First operand 2852 states and 4189 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-23 01:44:09,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:44:09,397 INFO L93 Difference]: Finished difference Result 5666 states and 8581 transitions. [2022-07-23 01:44:09,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:44:09,399 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 625 [2022-07-23 01:44:09,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:44:09,420 INFO L225 Difference]: With dead ends: 5666 [2022-07-23 01:44:09,421 INFO L226 Difference]: Without dead ends: 2853 [2022-07-23 01:44:09,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:44:09,440 INFO L413 NwaCegarLoop]: 4162 mSDtfsCounter, 6 mSDsluCounter, 16575 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 20737 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:44:09,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 20737 Invalid, 242 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [39 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-23 01:44:09,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2853 states. [2022-07-23 01:44:09,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2853 to 2853. [2022-07-23 01:44:09,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2853 states, 1995 states have (on average 1.3729323308270676) internal successors, (2739), 2005 states have internal predecessors, (2739), 726 states have call successors, (726), 132 states have call predecessors, (726), 131 states have return successors, (725), 725 states have call predecessors, (725), 725 states have call successors, (725) [2022-07-23 01:44:09,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2853 states and 4190 transitions. [2022-07-23 01:44:09,549 INFO L78 Accepts]: Start accepts. Automaton has 2853 states and 4190 transitions. Word has length 625 [2022-07-23 01:44:09,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:44:09,552 INFO L495 AbstractCegarLoop]: Abstraction has 2853 states and 4190 transitions. [2022-07-23 01:44:09,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-23 01:44:09,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 4190 transitions. [2022-07-23 01:44:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2022-07-23 01:44:09,570 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:44:09,571 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:44:09,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-23 01:44:09,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:44:09,787 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:44:09,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:44:09,787 INFO L85 PathProgramCache]: Analyzing trace with hash -301023363, now seen corresponding path program 1 times [2022-07-23 01:44:09,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:44:09,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144512408] [2022-07-23 01:44:09,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:44:09,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:44:09,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:44:09,796 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) [2022-07-23 01:44:09,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 01:44:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:44:18,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 6138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 01:44:18,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:44:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 5999 backedges. 276 proven. 1 refuted. 0 times theorem prover too weak. 5722 trivial. 0 not checked. [2022-07-23 01:44:19,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:44:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5999 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 5768 trivial. 0 not checked. [2022-07-23 01:44:23,923 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:44:23,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144512408] [2022-07-23 01:44:23,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144512408] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:44:23,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:44:23,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-23 01:44:23,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645984275] [2022-07-23 01:44:23,924 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:44:23,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 01:44:23,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:44:23,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 01:44:23,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:44:23,945 INFO L87 Difference]: Start difference. First operand 2853 states and 4190 transitions. Second operand has 11 states, 9 states have (on average 12.444444444444445) internal successors, (112), 11 states have internal predecessors, (112), 4 states have call successors, (82), 2 states have call predecessors, (82), 5 states have return successors, (78), 4 states have call predecessors, (78), 4 states have call successors, (78) [2022-07-23 01:44:32,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:44:32,687 INFO L93 Difference]: Finished difference Result 5678 states and 8597 transitions. [2022-07-23 01:44:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 01:44:32,688 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 12.444444444444445) internal successors, (112), 11 states have internal predecessors, (112), 4 states have call successors, (82), 2 states have call predecessors, (82), 5 states have return successors, (78), 4 states have call predecessors, (78), 4 states have call successors, (78) Word has length 649 [2022-07-23 01:44:32,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:44:32,710 INFO L225 Difference]: With dead ends: 5678 [2022-07-23 01:44:32,710 INFO L226 Difference]: Without dead ends: 2869 [2022-07-23 01:44:32,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1300 GetRequests, 1287 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:44:32,732 INFO L413 NwaCegarLoop]: 4164 mSDtfsCounter, 10 mSDsluCounter, 24885 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 29049 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:44:32,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 29049 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-23 01:44:32,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2869 states. [2022-07-23 01:44:32,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2869. [2022-07-23 01:44:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2869 states, 2006 states have (on average 1.3713858424725822) internal successors, (2751), 2016 states have internal predecessors, (2751), 728 states have call successors, (728), 135 states have call predecessors, (728), 134 states have return successors, (727), 727 states have call predecessors, (727), 727 states have call successors, (727) [2022-07-23 01:44:33,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2869 states and 4206 transitions. [2022-07-23 01:44:33,008 INFO L78 Accepts]: Start accepts. Automaton has 2869 states and 4206 transitions. Word has length 649 [2022-07-23 01:44:33,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:44:33,010 INFO L495 AbstractCegarLoop]: Abstraction has 2869 states and 4206 transitions. [2022-07-23 01:44:33,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 12.444444444444445) internal successors, (112), 11 states have internal predecessors, (112), 4 states have call successors, (82), 2 states have call predecessors, (82), 5 states have return successors, (78), 4 states have call predecessors, (78), 4 states have call successors, (78) [2022-07-23 01:44:33,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2869 states and 4206 transitions. [2022-07-23 01:44:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2022-07-23 01:44:33,020 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:44:33,020 INFO L195 NwaCegarLoop]: trace histogram [40, 24, 24, 24, 24, 24, 24, 24, 24, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:44:33,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-23 01:44:33,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:44:33,236 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:44:33,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:44:33,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1234594689, now seen corresponding path program 2 times [2022-07-23 01:44:33,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:44:33,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177665839] [2022-07-23 01:44:33,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:44:33,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:44:33,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:44:33,241 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) [2022-07-23 01:44:33,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 01:44:37,200 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:44:37,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:44:37,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 3980 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:44:37,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:45:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6887 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6887 trivial. 0 not checked. [2022-07-23 01:45:05,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:45:05,302 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:45:05,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177665839] [2022-07-23 01:45:05,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1177665839] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:45:05,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:45:05,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:45:05,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73024281] [2022-07-23 01:45:05,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:45:05,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:45:05,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:45:05,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:45:05,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:45:05,306 INFO L87 Difference]: Start difference. First operand 2869 states and 4206 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2022-07-23 01:45:05,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:45:05,440 INFO L93 Difference]: Finished difference Result 2894 states and 4233 transitions. [2022-07-23 01:45:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:45:05,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 665 [2022-07-23 01:45:05,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:45:05,447 INFO L225 Difference]: With dead ends: 2894 [2022-07-23 01:45:05,447 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 01:45:05,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 663 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:45:05,462 INFO L413 NwaCegarLoop]: 4189 mSDtfsCounter, 3966 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3966 SdHoareTripleChecker+Valid, 4244 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:45:05,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3966 Valid, 4244 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 01:45:05,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 01:45:05,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 01:45:05,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 01:45:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 01:45:05,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 665 [2022-07-23 01:45:05,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:45:05,467 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 01:45:05,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2022-07-23 01:45:05,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 01:45:05,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 01:45:05,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 01:45:05,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 01:45:05,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:45:05,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.