./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.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 eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:40:22,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:40:22,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:40:22,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:40:22,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:40:22,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:40:22,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:40:22,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:40:22,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:40:22,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:40:22,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:40:22,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:40:22,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:40:22,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:40:22,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:40:22,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:40:22,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:40:22,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:40:22,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:40:22,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:40:22,353 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:40:22,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:40:22,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:40:22,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:40:22,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:40:22,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:40:22,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:40:22,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:40:22,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:40:22,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:40:22,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:40:22,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:40:22,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:40:22,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:40:22,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:40:22,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:40:22,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:40:22,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:40:22,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:40:22,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:40:22,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:40:22,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:40:22,370 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:40:22,392 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:40:22,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:40:22,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:40:22,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:40:22,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:40:22,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:40:22,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:40:22,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:40:22,395 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:40:22,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:40:22,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:40:22,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:40:22,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:40:22,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:40:22,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:40:22,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:40:22,396 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:40:22,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:40:22,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:40:22,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:40:22,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:40:22,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:40:22,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:40:22,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:40:22,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:40:22,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:40:22,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:40:22,398 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:40:22,398 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:40:22,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:40:22,398 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2022-07-19 23:40:22,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:40:22,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:40:22,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:40:22,646 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:40:22,647 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:40:22,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-19 23:40:22,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2cab3280/5e17bcd9414648bebb2e0c0e9565f401/FLAG3516de114 [2022-07-19 23:40:23,428 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:40:23,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-19 23:40:23,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2cab3280/5e17bcd9414648bebb2e0c0e9565f401/FLAG3516de114 [2022-07-19 23:40:23,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2cab3280/5e17bcd9414648bebb2e0c0e9565f401 [2022-07-19 23:40:23,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:40:23,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:40:23,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:40:23,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:40:23,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:40:23,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:40:23" (1/1) ... [2022-07-19 23:40:23,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a1d8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:23, skipping insertion in model container [2022-07-19 23:40:23,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:40:23" (1/1) ... [2022-07-19 23:40:23,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:40:24,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:40:24,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-19 23:40:26,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:40:26,874 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:40:26,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-19 23:40:27,061 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-19 23:40:27,070 INFO L158 Benchmark]: Toolchain (without parser) took 3084.81ms. Allocated memory was 115.3MB in the beginning and 213.9MB in the end (delta: 98.6MB). Free memory was 79.0MB in the beginning and 113.9MB in the end (delta: -34.9MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2022-07-19 23:40:27,071 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:40:27,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3081.81ms. Allocated memory was 115.3MB in the beginning and 213.9MB in the end (delta: 98.6MB). Free memory was 78.4MB in the beginning and 113.9MB in the end (delta: -35.4MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2022-07-19 23:40:27,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3081.81ms. Allocated memory was 115.3MB in the beginning and 213.9MB in the end (delta: 98.6MB). Free memory was 78.4MB in the beginning and 113.9MB in the end (delta: -35.4MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.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 eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:40:28,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:40:28,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:40:28,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:40:28,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:40:28,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:40:28,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:40:28,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:40:28,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:40:28,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:40:28,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:40:28,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:40:28,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:40:28,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:40:28,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:40:28,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:40:28,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:40:28,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:40:28,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:40:28,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:40:28,771 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:40:28,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:40:28,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:40:28,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:40:28,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:40:28,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:40:28,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:40:28,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:40:28,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:40:28,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:40:28,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:40:28,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:40:28,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:40:28,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:40:28,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:40:28,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:40:28,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:40:28,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:40:28,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:40:28,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:40:28,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:40:28,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:40:28,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:40:28,847 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:40:28,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:40:28,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:40:28,848 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:40:28,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:40:28,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:40:28,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:40:28,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:40:28,850 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:40:28,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:40:28,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:40:28,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:40:28,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:40:28,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:40:28,851 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:40:28,851 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:40:28,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:40:28,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:40:28,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:40:28,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:40:28,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:40:28,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:40:28,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:40:28,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:40:28,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:40:28,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:40:28,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:40:28,853 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:40:28,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:40:28,853 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:40:28,853 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:40:28,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:40:28,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:40:28,854 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2022-07-19 23:40:29,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:40:29,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:40:29,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:40:29,194 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:40:29,195 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:40:29,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-19 23:40:29,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52110b184/07e2a321fb3042b6a2bd1ab38725c840/FLAG36fdee8ba [2022-07-19 23:40:30,029 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:40:30,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-19 23:40:30,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52110b184/07e2a321fb3042b6a2bd1ab38725c840/FLAG36fdee8ba [2022-07-19 23:40:30,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52110b184/07e2a321fb3042b6a2bd1ab38725c840 [2022-07-19 23:40:30,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:40:30,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:40:30,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:40:30,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:40:30,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:40:30,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:40:30" (1/1) ... [2022-07-19 23:40:30,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642cd919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:30, skipping insertion in model container [2022-07-19 23:40:30,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:40:30" (1/1) ... [2022-07-19 23:40:30,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:40:30,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:40:31,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-19 23:40:32,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:40:32,960 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:40:33,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:40:33,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-19 23:40:33,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:40:33,404 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:40:33,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-19 23:40:33,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:40:33,846 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:40:33,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:33 WrapperNode [2022-07-19 23:40:33,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:40:33,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:40:33,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:40:33,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:40:33,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:33" (1/1) ... [2022-07-19 23:40:33,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:33" (1/1) ... [2022-07-19 23:40:34,175 INFO L137 Inliner]: procedures = 420, calls = 4065, calls flagged for inlining = 194, calls inlined = 168, statements flattened = 8281 [2022-07-19 23:40:34,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:40:34,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:40:34,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:40:34,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:40:34,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:33" (1/1) ... [2022-07-19 23:40:34,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:33" (1/1) ... [2022-07-19 23:40:34,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:33" (1/1) ... [2022-07-19 23:40:34,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:33" (1/1) ... [2022-07-19 23:40:34,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:33" (1/1) ... [2022-07-19 23:40:34,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:33" (1/1) ... [2022-07-19 23:40:34,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:33" (1/1) ... [2022-07-19 23:40:34,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:40:34,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:40:34,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:40:34,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:40:34,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:33" (1/1) ... [2022-07-19 23:40:34,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:40:34,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:40:34,490 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) [2022-07-19 23:40:34,551 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 [2022-07-19 23:40:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2022-07-19 23:40:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2022-07-19 23:40:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2022-07-19 23:40:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2022-07-19 23:40:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2022-07-19 23:40:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2022-07-19 23:40:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2022-07-19 23:40:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2022-07-19 23:40:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-19 23:40:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-19 23:40:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:40:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:40:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-19 23:40:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-19 23:40:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-19 23:40:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-19 23:40:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2022-07-19 23:40:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2022-07-19 23:40:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2022-07-19 23:40:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2022-07-19 23:40:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2022-07-19 23:40:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2022-07-19 23:40:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2022-07-19 23:40:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2022-07-19 23:40:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-19 23:40:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-19 23:40:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2022-07-19 23:40:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2022-07-19 23:40:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2022-07-19 23:40:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2022-07-19 23:40:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2022-07-19 23:40:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2022-07-19 23:40:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 23:40:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 23:40:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-19 23:40:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2022-07-19 23:40:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2022-07-19 23:40:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2022-07-19 23:40:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2022-07-19 23:40:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2022-07-19 23:40:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2022-07-19 23:40:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2022-07-19 23:40:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2022-07-19 23:40:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-19 23:40:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-19 23:40:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-19 23:40:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-19 23:40:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-19 23:40:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:40:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2022-07-19 23:40:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2022-07-19 23:40:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-19 23:40:34,582 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-19 23:40:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-19 23:40:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:40:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:40:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:40:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-19 23:40:34,583 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-19 23:40:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 23:40:34,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 23:40:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-19 23:40:34,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-19 23:40:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-19 23:40:34,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-19 23:40:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-19 23:40:34,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-19 23:40:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-07-19 23:40:34,585 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-07-19 23:40:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:40:34,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:40:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2022-07-19 23:40:34,585 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2022-07-19 23:40:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-07-19 23:40:34,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-07-19 23:40:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-19 23:40:34,585 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-19 23:40:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2022-07-19 23:40:34,586 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2022-07-19 23:40:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-07-19 23:40:34,586 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-07-19 23:40:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-19 23:40:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:40:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-19 23:40:34,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-19 23:40:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-19 23:40:34,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-19 23:40:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:40:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-19 23:40:34,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-19 23:40:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2022-07-19 23:40:34,588 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2022-07-19 23:40:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:40:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 23:40:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2022-07-19 23:40:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2022-07-19 23:40:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 23:40:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 23:40:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 23:40:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:40:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:40:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2022-07-19 23:40:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2022-07-19 23:40:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2022-07-19 23:40:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2022-07-19 23:40:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2022-07-19 23:40:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2022-07-19 23:40:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~C_INT [2022-07-19 23:40:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~C_INT [2022-07-19 23:40:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2022-07-19 23:40:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2022-07-19 23:40:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 23:40:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2022-07-19 23:40:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2022-07-19 23:40:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:40:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:40:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-19 23:40:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-19 23:40:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:40:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2022-07-19 23:40:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2022-07-19 23:40:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2022-07-19 23:40:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2022-07-19 23:40:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-19 23:40:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 23:40:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:40:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 23:40:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:40:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:40:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:40:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2022-07-19 23:40:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2022-07-19 23:40:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-19 23:40:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-19 23:40:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2022-07-19 23:40:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2022-07-19 23:40:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2022-07-19 23:40:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2022-07-19 23:40:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-19 23:40:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-19 23:40:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2022-07-19 23:40:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2022-07-19 23:40:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:40:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:40:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-19 23:40:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-19 23:40:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:40:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:40:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:40:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:40:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-07-19 23:40:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-07-19 23:40:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:40:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:40:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2022-07-19 23:40:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2022-07-19 23:40:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2022-07-19 23:40:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2022-07-19 23:40:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2022-07-19 23:40:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2022-07-19 23:40:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:40:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-19 23:40:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-19 23:40:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:40:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2022-07-19 23:40:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2022-07-19 23:40:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2022-07-19 23:40:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2022-07-19 23:40:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-19 23:40:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-19 23:40:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2022-07-19 23:40:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2022-07-19 23:40:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2022-07-19 23:40:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2022-07-19 23:40:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-19 23:40:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 23:40:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2022-07-19 23:40:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2022-07-19 23:40:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 23:40:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-19 23:40:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-19 23:40:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 23:40:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:40:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-19 23:40:34,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-19 23:40:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2022-07-19 23:40:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2022-07-19 23:40:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-19 23:40:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-19 23:40:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-19 23:40:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-19 23:40:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2022-07-19 23:40:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2022-07-19 23:40:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2022-07-19 23:40:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2022-07-19 23:40:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2022-07-19 23:40:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2022-07-19 23:40:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-19 23:40:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-19 23:40:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2022-07-19 23:40:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2022-07-19 23:40:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:40:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:40:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2022-07-19 23:40:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2022-07-19 23:40:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2022-07-19 23:40:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2022-07-19 23:40:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-19 23:40:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-19 23:40:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2022-07-19 23:40:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2022-07-19 23:40:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-19 23:40:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-19 23:40:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-19 23:40:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-19 23:40:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:40:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:40:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-19 23:40:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-19 23:40:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2022-07-19 23:40:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2022-07-19 23:40:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-19 23:40:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-19 23:40:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 23:40:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 23:40:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 23:40:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 23:40:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:40:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:40:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2022-07-19 23:40:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2022-07-19 23:40:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2022-07-19 23:40:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2022-07-19 23:40:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2022-07-19 23:40:34,614 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2022-07-19 23:40:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2022-07-19 23:40:34,614 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2022-07-19 23:40:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2022-07-19 23:40:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2022-07-19 23:40:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-19 23:40:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-19 23:40:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-19 23:40:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-19 23:40:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-19 23:40:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-19 23:40:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2022-07-19 23:40:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2022-07-19 23:40:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2022-07-19 23:40:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2022-07-19 23:40:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2022-07-19 23:40:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2022-07-19 23:40:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2022-07-19 23:40:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2022-07-19 23:40:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2022-07-19 23:40:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2022-07-19 23:40:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2022-07-19 23:40:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2022-07-19 23:40:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2022-07-19 23:40:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2022-07-19 23:40:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-19 23:40:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-19 23:40:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-19 23:40:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-19 23:40:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2022-07-19 23:40:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2022-07-19 23:40:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-19 23:40:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-19 23:40:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-19 23:40:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-19 23:40:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-19 23:40:35,595 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:40:35,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:40:41,041 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:42:42,106 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:42:42,121 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:42:42,122 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-19 23:42:42,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:42:42 BoogieIcfgContainer [2022-07-19 23:42:42,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:42:42,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:42:42,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:42:42,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:42:42,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:40:30" (1/3) ... [2022-07-19 23:42:42,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775a1fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:42:42, skipping insertion in model container [2022-07-19 23:42:42,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:40:33" (2/3) ... [2022-07-19 23:42:42,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775a1fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:42:42, skipping insertion in model container [2022-07-19 23:42:42,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:42:42" (3/3) ... [2022-07-19 23:42:42,132 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-19 23:42:42,143 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:42:42,144 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:42:42,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:42:42,220 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@6fe6168c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@66cf86d [2022-07-19 23:42:42,220 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:42:42,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 2686 states, 1877 states have (on average 1.3393713372402771) internal successors, (2514), 1902 states have internal predecessors, (2514), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) [2022-07-19 23:42:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-19 23:42:42,240 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:42:42,241 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:42:42,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:42:42,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:42:42,245 INFO L85 PathProgramCache]: Analyzing trace with hash -334148442, now seen corresponding path program 1 times [2022-07-19 23:42:42,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:42:42,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296798798] [2022-07-19 23:42:42,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:42:42,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:42:42,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:42:42,282 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) [2022-07-19 23:42:42,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:42:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:46,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 3783 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:42:46,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:42:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-19 23:42:46,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:42:46,208 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:42:46,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296798798] [2022-07-19 23:42:46,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1296798798] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:42:46,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:42:46,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:42:46,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065719734] [2022-07-19 23:42:46,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:42:46,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:42:46,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:42:46,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:42:46,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:42:46,247 INFO L87 Difference]: Start difference. First operand has 2686 states, 1877 states have (on average 1.3393713372402771) internal successors, (2514), 1902 states have internal predecessors, (2514), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:42:48,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:42:48,044 INFO L93 Difference]: Finished difference Result 5370 states and 7993 transitions. [2022-07-19 23:42:48,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 23:42:48,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 80 [2022-07-19 23:42:48,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:42:48,075 INFO L225 Difference]: With dead ends: 5370 [2022-07-19 23:42:48,075 INFO L226 Difference]: Without dead ends: 2674 [2022-07-19 23:42:48,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:42:48,100 INFO L413 NwaCegarLoop]: 3841 mSDtfsCounter, 2 mSDsluCounter, 7602 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11443 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:42:48,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11443 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 23:42:48,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-07-19 23:42:48,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674. [2022-07-19 23:42:48,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 1872 states have (on average 1.3317307692307692) internal successors, (2493), 1890 states have internal predecessors, (2493), 685 states have call successors, (685), 116 states have call predecessors, (685), 116 states have return successors, (721), 684 states have call predecessors, (721), 684 states have call successors, (721) [2022-07-19 23:42:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3899 transitions. [2022-07-19 23:42:48,280 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3899 transitions. Word has length 80 [2022-07-19 23:42:48,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:42:48,281 INFO L495 AbstractCegarLoop]: Abstraction has 2674 states and 3899 transitions. [2022-07-19 23:42:48,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:42:48,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3899 transitions. [2022-07-19 23:42:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-19 23:42:48,289 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:42:48,289 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:42:48,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-19 23:42:48,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:42:48,509 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:42:48,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:42:48,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1024130203, now seen corresponding path program 1 times [2022-07-19 23:42:48,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:42:48,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766315219] [2022-07-19 23:42:48,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:42:48,515 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:42:48,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:42:48,516 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) [2022-07-19 23:42:48,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:42:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:52,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 3816 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:42:52,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:42:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-19 23:42:52,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:42:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-19 23:42:53,269 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:42:53,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766315219] [2022-07-19 23:42:53,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766315219] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:42:53,269 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 23:42:53,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-19 23:42:53,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319312127] [2022-07-19 23:42:53,269 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 23:42:53,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:42:53,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:42:53,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:42:53,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:42:53,271 INFO L87 Difference]: Start difference. First operand 2674 states and 3899 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 23:42:58,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:42:58,915 INFO L93 Difference]: Finished difference Result 5340 states and 7981 transitions. [2022-07-19 23:42:58,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 23:42:58,916 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2022-07-19 23:42:58,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:42:58,936 INFO L225 Difference]: With dead ends: 5340 [2022-07-19 23:42:58,936 INFO L226 Difference]: Without dead ends: 2685 [2022-07-19 23:42:58,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-19 23:42:58,957 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 14 mSDsluCounter, 11221 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 15002 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-19 23:42:58,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 15002 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-19 23:42:58,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-07-19 23:42:59,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2683. [2022-07-19 23:42:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2683 states, 1880 states have (on average 1.3335106382978723) internal successors, (2507), 1898 states have internal predecessors, (2507), 685 states have call successors, (685), 117 states have call predecessors, (685), 117 states have return successors, (758), 684 states have call predecessors, (758), 684 states have call successors, (758) [2022-07-19 23:42:59,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 3950 transitions. [2022-07-19 23:42:59,068 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 3950 transitions. Word has length 83 [2022-07-19 23:42:59,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:42:59,069 INFO L495 AbstractCegarLoop]: Abstraction has 2683 states and 3950 transitions. [2022-07-19 23:42:59,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 23:42:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3950 transitions. [2022-07-19 23:42:59,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-19 23:42:59,072 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:42:59,072 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:42:59,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:42:59,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:42:59,287 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:42:59,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:42:59,288 INFO L85 PathProgramCache]: Analyzing trace with hash -393231130, now seen corresponding path program 2 times [2022-07-19 23:42:59,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:42:59,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273592471] [2022-07-19 23:42:59,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 23:42:59,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:42:59,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:42:59,294 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) [2022-07-19 23:42:59,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:43:02,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-19 23:43:02,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 23:43:02,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 3628 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:43:02,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:43:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-07-19 23:43:03,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:43:03,124 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:43:03,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273592471] [2022-07-19 23:43:03,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273592471] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:43:03,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:43:03,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:43:03,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518223041] [2022-07-19 23:43:03,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:43:03,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:43:03,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:43:03,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:43:03,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:43:03,125 INFO L87 Difference]: Start difference. First operand 2683 states and 3950 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-19 23:43:05,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:05,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:43:05,686 INFO L93 Difference]: Finished difference Result 7968 states and 11741 transitions. [2022-07-19 23:43:05,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:43:05,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 88 [2022-07-19 23:43:05,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:43:05,731 INFO L225 Difference]: With dead ends: 7968 [2022-07-19 23:43:05,731 INFO L226 Difference]: Without dead ends: 5309 [2022-07-19 23:43:05,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:43:05,749 INFO L413 NwaCegarLoop]: 4544 mSDtfsCounter, 3781 mSDsluCounter, 3840 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3781 SdHoareTripleChecker+Valid, 8384 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:43:05,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3781 Valid, 8384 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-07-19 23:43:05,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5309 states. [2022-07-19 23:43:06,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5309 to 5307. [2022-07-19 23:43:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5307 states, 3722 states have (on average 1.335840945728103) internal successors, (4972), 3757 states have internal predecessors, (4972), 1351 states have call successors, (1351), 233 states have call predecessors, (1351), 233 states have return successors, (1461), 1350 states have call predecessors, (1461), 1350 states have call successors, (1461) [2022-07-19 23:43:06,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 7784 transitions. [2022-07-19 23:43:06,062 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 7784 transitions. Word has length 88 [2022-07-19 23:43:06,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:43:06,062 INFO L495 AbstractCegarLoop]: Abstraction has 5307 states and 7784 transitions. [2022-07-19 23:43:06,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-19 23:43:06,063 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 7784 transitions. [2022-07-19 23:43:06,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-19 23:43:06,066 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:43:06,066 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:43:06,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 23:43:06,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:43:06,287 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:43:06,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:43:06,288 INFO L85 PathProgramCache]: Analyzing trace with hash -435486850, now seen corresponding path program 1 times [2022-07-19 23:43:06,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:43:06,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880765174] [2022-07-19 23:43:06,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:43:06,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:43:06,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:43:06,296 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) [2022-07-19 23:43:06,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 23:43:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:10,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 3905 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 23:43:10,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:43:10,839 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 64 proven. 10 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-19 23:43:10,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:43:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-07-19 23:43:12,063 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:43:12,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880765174] [2022-07-19 23:43:12,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880765174] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:43:12,063 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 23:43:12,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-07-19 23:43:12,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113565107] [2022-07-19 23:43:12,063 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 23:43:12,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-19 23:43:12,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:43:12,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-19 23:43:12,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-07-19 23:43:12,064 INFO L87 Difference]: Start difference. First operand 5307 states and 7784 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-19 23:43:30,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:43:30,643 INFO L93 Difference]: Finished difference Result 10641 states and 16324 transitions. [2022-07-19 23:43:30,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-19 23:43:30,645 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2022-07-19 23:43:30,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:43:30,674 INFO L225 Difference]: With dead ends: 10641 [2022-07-19 23:43:30,674 INFO L226 Difference]: Without dead ends: 5351 [2022-07-19 23:43:30,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2022-07-19 23:43:30,701 INFO L413 NwaCegarLoop]: 3784 mSDtfsCounter, 41 mSDsluCounter, 22459 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 26243 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 1962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:43:30,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 26243 Invalid, 2242 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [280 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2022-07-19 23:43:30,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5351 states. [2022-07-19 23:43:30,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5351 to 5323. [2022-07-19 23:43:30,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5323 states, 3736 states have (on average 1.3369914346895075) internal successors, (4995), 3772 states have internal predecessors, (4995), 1351 states have call successors, (1351), 234 states have call predecessors, (1351), 235 states have return successors, (1426), 1350 states have call predecessors, (1426), 1350 states have call successors, (1426) [2022-07-19 23:43:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 5323 states and 7772 transitions. [2022-07-19 23:43:30,905 INFO L78 Accepts]: Start accepts. Automaton has 5323 states and 7772 transitions. Word has length 98 [2022-07-19 23:43:30,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:43:30,906 INFO L495 AbstractCegarLoop]: Abstraction has 5323 states and 7772 transitions. [2022-07-19 23:43:30,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-19 23:43:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 7772 transitions. [2022-07-19 23:43:30,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-19 23:43:30,913 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:43:30,913 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:43:31,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 23:43:31,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:43:31,136 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:43:31,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:43:31,136 INFO L85 PathProgramCache]: Analyzing trace with hash 535438014, now seen corresponding path program 2 times [2022-07-19 23:43:31,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:43:31,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714332515] [2022-07-19 23:43:31,140 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 23:43:31,140 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:43:31,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:43:31,141 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:43:31,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 23:43:34,718 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-19 23:43:34,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 23:43:34,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 3577 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:43:34,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:43:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-07-19 23:43:35,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:43:35,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:43:35,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714332515] [2022-07-19 23:43:35,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714332515] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:43:35,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:43:35,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:43:35,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390945348] [2022-07-19 23:43:35,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:43:35,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:43:35,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:43:35,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:43:35,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:43:35,114 INFO L87 Difference]: Start difference. First operand 5323 states and 7772 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-19 23:43:36,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:43:36,445 INFO L93 Difference]: Finished difference Result 10615 states and 15496 transitions. [2022-07-19 23:43:36,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 23:43:36,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2022-07-19 23:43:36,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:43:36,513 INFO L225 Difference]: With dead ends: 10615 [2022-07-19 23:43:36,531 INFO L226 Difference]: Without dead ends: 5322 [2022-07-19 23:43:36,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:43:36,552 INFO L413 NwaCegarLoop]: 4193 mSDtfsCounter, 4213 mSDsluCounter, 3884 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4213 SdHoareTripleChecker+Valid, 8077 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:43:36,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4213 Valid, 8077 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 23:43:36,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5322 states. [2022-07-19 23:43:36,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5322 to 5322. [2022-07-19 23:43:36,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5322 states, 3735 states have (on average 1.3362784471218205) internal successors, (4991), 3771 states have internal predecessors, (4991), 1351 states have call successors, (1351), 234 states have call predecessors, (1351), 235 states have return successors, (1426), 1350 states have call predecessors, (1426), 1350 states have call successors, (1426) [2022-07-19 23:43:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 7768 transitions. [2022-07-19 23:43:36,730 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 7768 transitions. Word has length 102 [2022-07-19 23:43:36,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:43:36,730 INFO L495 AbstractCegarLoop]: Abstraction has 5322 states and 7768 transitions. [2022-07-19 23:43:36,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-19 23:43:36,730 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 7768 transitions. [2022-07-19 23:43:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-19 23:43:36,739 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:43:36,739 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 12, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:43:36,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-19 23:43:36,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:43:36,955 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:43:36,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:43:36,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1111003360, now seen corresponding path program 1 times [2022-07-19 23:43:36,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:43:36,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1966205644] [2022-07-19 23:43:36,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:43:36,959 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:43:36,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:43:36,967 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:43:36,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-19 23:43:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:42,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 4112 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-19 23:43:42,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:43:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 295 proven. 3 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-19 23:43:42,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:43:43,387 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-07-19 23:43:43,387 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:43:43,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1966205644] [2022-07-19 23:43:43,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1966205644] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:43:43,388 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 23:43:43,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-19 23:43:43,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64054914] [2022-07-19 23:43:43,389 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 23:43:43,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 23:43:43,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:43:43,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 23:43:43,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-19 23:43:43,391 INFO L87 Difference]: Start difference. First operand 5322 states and 7768 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-19 23:43:50,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:43:50,867 INFO L93 Difference]: Finished difference Result 10657 states and 15803 transitions. [2022-07-19 23:43:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-19 23:43:50,881 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 158 [2022-07-19 23:43:50,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:43:50,933 INFO L225 Difference]: With dead ends: 10657 [2022-07-19 23:43:50,934 INFO L226 Difference]: Without dead ends: 5352 [2022-07-19 23:43:50,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-07-19 23:43:50,953 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 47 mSDsluCounter, 11226 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 15007 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:43:50,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 15007 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-07-19 23:43:50,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5352 states. [2022-07-19 23:43:51,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5352 to 5322. [2022-07-19 23:43:51,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5322 states, 3736 states have (on average 1.335117773019272) internal successors, (4988), 3770 states have internal predecessors, (4988), 1351 states have call successors, (1351), 235 states have call predecessors, (1351), 234 states have return successors, (1350), 1350 states have call predecessors, (1350), 1350 states have call successors, (1350) [2022-07-19 23:43:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 7689 transitions. [2022-07-19 23:43:51,142 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 7689 transitions. Word has length 158 [2022-07-19 23:43:51,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:43:51,144 INFO L495 AbstractCegarLoop]: Abstraction has 5322 states and 7689 transitions. [2022-07-19 23:43:51,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-19 23:43:51,144 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 7689 transitions. [2022-07-19 23:43:51,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-19 23:43:51,153 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:43:51,154 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:43:51,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-19 23:43:51,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:43:51,375 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:43:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:43:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash -697719776, now seen corresponding path program 2 times [2022-07-19 23:43:51,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:43:51,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293419231] [2022-07-19 23:43:51,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 23:43:51,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:43:51,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:43:51,381 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:43:51,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process