./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-?-3598765 [2022-07-21 11:11:31,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:11:31,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:11:31,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:11:31,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:11:31,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:11:31,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:11:31,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:11:31,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:11:31,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:11:31,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:11:31,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:11:31,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:11:31,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:11:31,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:11:31,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:11:31,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:11:31,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:11:31,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:11:31,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:11:31,595 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:11:31,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:11:31,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:11:31,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:11:31,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:11:31,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:11:31,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:11:31,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:11:31,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:11:31,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:11:31,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:11:31,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:11:31,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:11:31,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:11:31,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:11:31,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:11:31,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:11:31,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:11:31,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:11:31,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:11:31,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:11:31,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:11:31,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:11:31,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:11:31,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:11:31,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:11:31,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:11:31,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:11:31,653 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:11:31,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:11:31,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:11:31,654 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:11:31,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:11:31,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:11:31,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:11:31,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:11:31,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:11:31,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:11:31,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:11:31,666 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:11:31,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:11:31,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:11:31,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:11:31,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:11:31,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:11:31,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:11:31,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:11:31,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:11:31,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:11:31,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:11:31,668 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:11:31,668 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:11:31,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:11:31,669 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2022-07-21 11:11:32,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:11:32,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:11:32,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:11:32,027 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:11:32,028 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:11:32,029 INFO L432 ainManager$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 [2022-07-21 11:11:32,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87d65123/5e4577c100de4f77bf73df32c099313f/FLAG1989cecc5 [2022-07-21 11:11:33,008 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:11:33,008 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 [2022-07-21 11:11:33,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87d65123/5e4577c100de4f77bf73df32c099313f/FLAG1989cecc5 [2022-07-21 11:11:33,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87d65123/5e4577c100de4f77bf73df32c099313f [2022-07-21 11:11:33,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:11:33,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:11:33,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:11:33,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:11:33,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:11:33,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:11:33" (1/1) ... [2022-07-21 11:11:33,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58503636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:33, skipping insertion in model container [2022-07-21 11:11:33,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:11:33" (1/1) ... [2022-07-21 11:11:33,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:11:33,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:11:34,733 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] [2022-07-21 11:11:37,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:11:37,163 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:11:37,322 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] [2022-07-21 11:11:37,438 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) [2022-07-21 11:11:37,447 INFO L158 Benchmark]: Toolchain (without parser) took 3875.64ms. Allocated memory was 62.9MB in the beginning and 142.6MB in the end (delta: 79.7MB). Free memory was 35.4MB in the beginning and 66.0MB in the end (delta: -30.6MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2022-07-21 11:11:37,448 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 50.3MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:11:37,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3872.54ms. Allocated memory was 62.9MB in the beginning and 142.6MB in the end (delta: 79.7MB). Free memory was 35.2MB in the beginning and 66.0MB in the end (delta: -30.8MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2022-07-21 11:11:37,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 50.3MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3872.54ms. Allocated memory was 62.9MB in the beginning and 142.6MB in the end (delta: 79.7MB). Free memory was 35.2MB in the beginning and 66.0MB in the end (delta: -30.8MB). Peak memory consumption was 69.6MB. 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-?-3598765 [2022-07-21 11:11:39,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:11:39,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:11:39,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:11:39,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:11:39,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:11:39,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:11:39,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:11:39,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:11:39,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:11:39,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:11:39,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:11:39,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:11:39,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:11:39,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:11:39,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:11:39,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:11:39,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:11:39,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:11:39,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:11:39,283 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:11:39,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:11:39,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:11:39,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:11:39,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:11:39,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:11:39,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:11:39,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:11:39,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:11:39,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:11:39,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:11:39,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:11:39,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:11:39,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:11:39,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:11:39,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:11:39,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:11:39,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:11:39,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:11:39,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:11:39,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:11:39,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:11:39,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:11:39,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:11:39,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:11:39,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:11:39,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:11:39,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:11:39,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:11:39,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:11:39,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:11:39,341 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:11:39,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:11:39,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:11:39,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:11:39,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:11:39,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:11:39,343 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:11:39,343 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:11:39,343 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:11:39,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:11:39,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:11:39,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:11:39,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:11:39,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:11:39,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:11:39,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:11:39,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:11:39,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:11:39,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:11:39,346 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:11:39,346 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:11:39,346 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:11:39,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:11:39,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:11:39,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:11:39,347 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2022-07-21 11:11:39,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:11:39,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:11:39,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:11:39,692 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:11:39,693 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:11:39,695 INFO L432 ainManager$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 [2022-07-21 11:11:39,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a202032b0/c54324d854864481afacd600e0150767/FLAGd545f0fef [2022-07-21 11:11:40,637 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:11:40,638 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 [2022-07-21 11:11:40,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a202032b0/c54324d854864481afacd600e0150767/FLAGd545f0fef [2022-07-21 11:11:41,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a202032b0/c54324d854864481afacd600e0150767 [2022-07-21 11:11:41,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:11:41,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:11:41,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:11:41,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:11:41,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:11:41,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:11:41" (1/1) ... [2022-07-21 11:11:41,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac9397f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41, skipping insertion in model container [2022-07-21 11:11:41,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:11:41" (1/1) ... [2022-07-21 11:11:41,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:11:41,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:11:42,536 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] [2022-07-21 11:11:45,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:11:45,308 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 11:11:45,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:11:45,503 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] [2022-07-21 11:11:45,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:11:45,906 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:11:46,021 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] [2022-07-21 11:11:46,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:11:46,412 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:11:46,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:46 WrapperNode [2022-07-21 11:11:46,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:11:46,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:11:46,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:11:46,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:11:46,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:46" (1/1) ... [2022-07-21 11:11:46,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:46" (1/1) ... [2022-07-21 11:11:46,782 INFO L137 Inliner]: procedures = 420, calls = 4065, calls flagged for inlining = 194, calls inlined = 168, statements flattened = 8281 [2022-07-21 11:11:46,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:11:46,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:11:46,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:11:46,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:11:46,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:46" (1/1) ... [2022-07-21 11:11:46,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:46" (1/1) ... [2022-07-21 11:11:46,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:46" (1/1) ... [2022-07-21 11:11:46,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:46" (1/1) ... [2022-07-21 11:11:47,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:46" (1/1) ... [2022-07-21 11:11:47,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:46" (1/1) ... [2022-07-21 11:11:47,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:46" (1/1) ... [2022-07-21 11:11:47,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:11:47,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:11:47,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:11:47,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:11:47,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:46" (1/1) ... [2022-07-21 11:11:47,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:11:47,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:11:47,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:11:47,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2022-07-21 11:11:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2022-07-21 11:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2022-07-21 11:11:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2022-07-21 11:11:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2022-07-21 11:11:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2022-07-21 11:11:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2022-07-21 11:11:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2022-07-21 11:11:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 11:11:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 11:11:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:11:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:11:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-21 11:11:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-21 11:11:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 11:11:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 11:11:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2022-07-21 11:11:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2022-07-21 11:11:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2022-07-21 11:11:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2022-07-21 11:11:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2022-07-21 11:11:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2022-07-21 11:11:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2022-07-21 11:11:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2022-07-21 11:11:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 11:11:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 11:11:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2022-07-21 11:11:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2022-07-21 11:11:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2022-07-21 11:11:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2022-07-21 11:11:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2022-07-21 11:11:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2022-07-21 11:11:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:11:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:11:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 11:11:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2022-07-21 11:11:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2022-07-21 11:11:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2022-07-21 11:11:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2022-07-21 11:11:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2022-07-21 11:11:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2022-07-21 11:11:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2022-07-21 11:11:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2022-07-21 11:11:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-21 11:11:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 11:11:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 11:11:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 11:11:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 11:11:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:11:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2022-07-21 11:11:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2022-07-21 11:11:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 11:11:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 11:11:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 11:11:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 11:11:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 11:11:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 11:11:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 11:11:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 11:11:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 11:11:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 11:11:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-21 11:11:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-21 11:11:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 11:11:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 11:11:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 11:11:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 11:11:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-07-21 11:11:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-07-21 11:11:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:11:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:11:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2022-07-21 11:11:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2022-07-21 11:11:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-07-21 11:11:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-07-21 11:11:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-21 11:11:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-21 11:11:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2022-07-21 11:11:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2022-07-21 11:11:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-07-21 11:11:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-07-21 11:11:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-21 11:11:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:11:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 11:11:47,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 11:11:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 11:11:47,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 11:11:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:11:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-21 11:11:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-21 11:11:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2022-07-21 11:11:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2022-07-21 11:11:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:11:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 11:11:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2022-07-21 11:11:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2022-07-21 11:11:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 11:11:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 11:11:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 11:11:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 11:11:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 11:11:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2022-07-21 11:11:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2022-07-21 11:11:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2022-07-21 11:11:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2022-07-21 11:11:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2022-07-21 11:11:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2022-07-21 11:11:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~C_INT [2022-07-21 11:11:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~C_INT [2022-07-21 11:11:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2022-07-21 11:11:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2022-07-21 11:11:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 11:11:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2022-07-21 11:11:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2022-07-21 11:11:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:11:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:11:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 11:11:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 11:11:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 11:11:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2022-07-21 11:11:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2022-07-21 11:11:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2022-07-21 11:11:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2022-07-21 11:11:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 11:11:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 11:11:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:11:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 11:11:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:11:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:11:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:11:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2022-07-21 11:11:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2022-07-21 11:11:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 11:11:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 11:11:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2022-07-21 11:11:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2022-07-21 11:11:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2022-07-21 11:11:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2022-07-21 11:11:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-21 11:11:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-21 11:11:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2022-07-21 11:11:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2022-07-21 11:11:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:11:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:11:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-21 11:11:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-21 11:11:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:11:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:11:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:11:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:11:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-07-21 11:11:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-07-21 11:11:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:11:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:11:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2022-07-21 11:11:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2022-07-21 11:11:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2022-07-21 11:11:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2022-07-21 11:11:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2022-07-21 11:11:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2022-07-21 11:11:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:11:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 11:11:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 11:11:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:11:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2022-07-21 11:11:47,288 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2022-07-21 11:11:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2022-07-21 11:11:47,288 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2022-07-21 11:11:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-21 11:11:47,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-21 11:11:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2022-07-21 11:11:47,288 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2022-07-21 11:11:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2022-07-21 11:11:47,288 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2022-07-21 11:11:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 11:11:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 11:11:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2022-07-21 11:11:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2022-07-21 11:11:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 11:11:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 11:11:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 11:11:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 11:11:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:11:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-21 11:11:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-21 11:11:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2022-07-21 11:11:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2022-07-21 11:11:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 11:11:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 11:11:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:11:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:11:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2022-07-21 11:11:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2022-07-21 11:11:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2022-07-21 11:11:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2022-07-21 11:11:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2022-07-21 11:11:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2022-07-21 11:11:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-21 11:11:47,291 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-21 11:11:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2022-07-21 11:11:47,291 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2022-07-21 11:11:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:11:47,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:11:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2022-07-21 11:11:47,292 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2022-07-21 11:11:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2022-07-21 11:11:47,292 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2022-07-21 11:11:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 11:11:47,292 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 11:11:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2022-07-21 11:11:47,292 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2022-07-21 11:11:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-21 11:11:47,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-21 11:11:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 11:11:47,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 11:11:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:11:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:11:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-21 11:11:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-21 11:11:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2022-07-21 11:11:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2022-07-21 11:11:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-21 11:11:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-21 11:11:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 11:11:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 11:11:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 11:11:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 11:11:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:11:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:11:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2022-07-21 11:11:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2022-07-21 11:11:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2022-07-21 11:11:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2022-07-21 11:11:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2022-07-21 11:11:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2022-07-21 11:11:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2022-07-21 11:11:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2022-07-21 11:11:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2022-07-21 11:11:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2022-07-21 11:11:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-21 11:11:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-21 11:11:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-21 11:11:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-21 11:11:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-21 11:11:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-21 11:11:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2022-07-21 11:11:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2022-07-21 11:11:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2022-07-21 11:11:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2022-07-21 11:11:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2022-07-21 11:11:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2022-07-21 11:11:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2022-07-21 11:11:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2022-07-21 11:11:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2022-07-21 11:11:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2022-07-21 11:11:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2022-07-21 11:11:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2022-07-21 11:11:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2022-07-21 11:11:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2022-07-21 11:11:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-21 11:11:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-21 11:11:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-21 11:11:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-21 11:11:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2022-07-21 11:11:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2022-07-21 11:11:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-21 11:11:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-21 11:11:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-21 11:11:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-21 11:11:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-21 11:11:48,461 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:11:48,464 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:11:54,229 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:13:51,584 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:13:51,612 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:13:51,612 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-21 11:13:51,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:13:51 BoogieIcfgContainer [2022-07-21 11:13:51,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:13:51,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:13:51,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:13:51,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:13:51,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:11:41" (1/3) ... [2022-07-21 11:13:51,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6fd071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:13:51, skipping insertion in model container [2022-07-21 11:13:51,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:46" (2/3) ... [2022-07-21 11:13:51,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6fd071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:13:51, skipping insertion in model container [2022-07-21 11:13:51,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:13:51" (3/3) ... [2022-07-21 11:13:51,626 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 [2022-07-21 11:13:51,639 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:13:51,640 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:13:51,750 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:13:51,757 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@4bd80a46, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5c65616b [2022-07-21 11:13:51,758 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:13:51,769 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) [2022-07-21 11:13:51,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-21 11:13:51,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:13:51,785 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] [2022-07-21 11:13:51,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:13:51,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:13:51,789 INFO L85 PathProgramCache]: Analyzing trace with hash -334148442, now seen corresponding path program 1 times [2022-07-21 11:13:51,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:13:51,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407663171] [2022-07-21 11:13:51,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:13:51,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:13:51,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:13:51,821 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:13:51,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 11:13:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:55,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 3783 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:13:55,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:13:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-21 11:13:56,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:13:56,036 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:13:56,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407663171] [2022-07-21 11:13:56,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407663171] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:13:56,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:13:56,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:13:56,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213246247] [2022-07-21 11:13:56,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:13:56,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:13:56,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:13:56,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:13:56,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:13:56,078 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) [2022-07-21 11:13:58,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:13:58,283 INFO L93 Difference]: Finished difference Result 5370 states and 7993 transitions. [2022-07-21 11:13:58,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:13:58,290 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 [2022-07-21 11:13:58,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:13:58,330 INFO L225 Difference]: With dead ends: 5370 [2022-07-21 11:13:58,330 INFO L226 Difference]: Without dead ends: 2674 [2022-07-21 11:13:58,359 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 [2022-07-21 11:13:58,363 INFO L413 NwaCegarLoop]: 3841 mSDtfsCounter, 2 mSDsluCounter, 7602 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:13:58,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11443 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 11:13:58,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-07-21 11:13:58,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674. [2022-07-21 11:13:58,581 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) [2022-07-21 11:13:58,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3899 transitions. [2022-07-21 11:13:58,607 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3899 transitions. Word has length 80 [2022-07-21 11:13:58,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:13:58,608 INFO L495 AbstractCegarLoop]: Abstraction has 2674 states and 3899 transitions. [2022-07-21 11:13:58,608 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) [2022-07-21 11:13:58,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3899 transitions. [2022-07-21 11:13:58,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-21 11:13:58,617 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:13:58,617 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] [2022-07-21 11:13:58,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:13:58,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:13:58,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:13:58,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:13:58,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1024130203, now seen corresponding path program 1 times [2022-07-21 11:13:58,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:13:58,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863219341] [2022-07-21 11:13:58,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:13:58,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:13:58,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:13:58,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:13:58,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 11:14:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:03,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 3816 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:14:03,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:14:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-21 11:14:03,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:14:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-21 11:14:04,065 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:14:04,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863219341] [2022-07-21 11:14:04,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863219341] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:14:04,066 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:14:04,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-21 11:14:04,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846931293] [2022-07-21 11:14:04,066 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:14:04,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:14:04,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:14:04,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:14:04,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:14:04,069 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) [2022-07-21 11:14:10,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:14:10,577 INFO L93 Difference]: Finished difference Result 5340 states and 7981 transitions. [2022-07-21 11:14:10,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 11:14:10,579 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 [2022-07-21 11:14:10,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:14:10,603 INFO L225 Difference]: With dead ends: 5340 [2022-07-21 11:14:10,604 INFO L226 Difference]: Without dead ends: 2685 [2022-07-21 11:14:10,628 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 [2022-07-21 11:14:10,629 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 14 mSDsluCounter, 11221 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s 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, 5.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:14:10,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 15002 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-21 11:14:10,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-07-21 11:14:10,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2683. [2022-07-21 11:14:10,740 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) [2022-07-21 11:14:10,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 3950 transitions. [2022-07-21 11:14:10,766 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 3950 transitions. Word has length 83 [2022-07-21 11:14:10,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:14:10,768 INFO L495 AbstractCegarLoop]: Abstraction has 2683 states and 3950 transitions. [2022-07-21 11:14:10,768 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) [2022-07-21 11:14:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3950 transitions. [2022-07-21 11:14:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-21 11:14:10,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:14:10,772 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] [2022-07-21 11:14:10,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:14:10,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:14:10,989 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:14:10,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:14:10,990 INFO L85 PathProgramCache]: Analyzing trace with hash -393231130, now seen corresponding path program 2 times [2022-07-21 11:14:10,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:14:10,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801201658] [2022-07-21 11:14:10,998 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:14:10,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:14:10,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:14:11,000 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) [2022-07-21 11:14:11,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 11:14:14,465 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:14:14,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:14:14,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 3628 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:14:14,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:14:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-07-21 11:14:14,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:14:14,913 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:14:14,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801201658] [2022-07-21 11:14:14,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801201658] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:14:14,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:14:14,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:14:14,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512244808] [2022-07-21 11:14:14,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:14:14,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:14:14,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:14:14,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:14:14,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:14:14,915 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) [2022-07-21 11:14:17,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:14:17,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:14:17,587 INFO L93 Difference]: Finished difference Result 7968 states and 11741 transitions. [2022-07-21 11:14:17,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:14:17,587 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 [2022-07-21 11:14:17,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:14:17,640 INFO L225 Difference]: With dead ends: 7968 [2022-07-21 11:14:17,640 INFO L226 Difference]: Without dead ends: 5309 [2022-07-21 11:14:17,661 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 [2022-07-21 11:14:17,663 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 [2022-07-21 11:14:17,665 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] [2022-07-21 11:14:17,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5309 states. [2022-07-21 11:14:17,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5309 to 5307. [2022-07-21 11:14:17,923 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) [2022-07-21 11:14:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 7784 transitions. [2022-07-21 11:14:17,951 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 7784 transitions. Word has length 88 [2022-07-21 11:14:17,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:14:17,951 INFO L495 AbstractCegarLoop]: Abstraction has 5307 states and 7784 transitions. [2022-07-21 11:14:17,951 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) [2022-07-21 11:14:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 7784 transitions. [2022-07-21 11:14:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-21 11:14:17,956 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:14:17,956 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] [2022-07-21 11:14:18,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:14:18,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:14:18,188 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:14:18,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:14:18,188 INFO L85 PathProgramCache]: Analyzing trace with hash -435486850, now seen corresponding path program 1 times [2022-07-21 11:14:18,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:14:18,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887495961] [2022-07-21 11:14:18,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:14:18,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:14:18,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:14:18,195 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) [2022-07-21 11:14:18,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 11:14:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:22,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 3905 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 11:14:22,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:14:22,827 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 64 proven. 10 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-21 11:14:22,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:14:24,004 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-07-21 11:14:24,005 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:14:24,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887495961] [2022-07-21 11:14:24,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887495961] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:14:24,005 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:14:24,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-07-21 11:14:24,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28891283] [2022-07-21 11:14:24,005 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:14:24,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-21 11:14:24,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:14:24,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-21 11:14:24,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-07-21 11:14:24,007 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) [2022-07-21 11:14:41,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:14:41,871 INFO L93 Difference]: Finished difference Result 10641 states and 16324 transitions. [2022-07-21 11:14:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-21 11:14:41,872 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 [2022-07-21 11:14:41,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:14:41,920 INFO L225 Difference]: With dead ends: 10641 [2022-07-21 11:14:41,921 INFO L226 Difference]: Without dead ends: 5351 [2022-07-21 11:14:41,957 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 [2022-07-21 11:14:41,958 INFO L413 NwaCegarLoop]: 3784 mSDtfsCounter, 41 mSDsluCounter, 22459 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s 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, 16.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:14:41,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 26243 Invalid, 2242 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [280 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2022-07-21 11:14:41,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5351 states. [2022-07-21 11:14:42,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5351 to 5323. [2022-07-21 11:14:42,234 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) [2022-07-21 11:14:42,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 5323 states and 7772 transitions. [2022-07-21 11:14:42,258 INFO L78 Accepts]: Start accepts. Automaton has 5323 states and 7772 transitions. Word has length 98 [2022-07-21 11:14:42,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:14:42,259 INFO L495 AbstractCegarLoop]: Abstraction has 5323 states and 7772 transitions. [2022-07-21 11:14:42,260 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) [2022-07-21 11:14:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 7772 transitions. [2022-07-21 11:14:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-21 11:14:42,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:14:42,268 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] [2022-07-21 11:14:42,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:14:42,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:14:42,483 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:14:42,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:14:42,484 INFO L85 PathProgramCache]: Analyzing trace with hash 535438014, now seen corresponding path program 2 times [2022-07-21 11:14:42,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:14:42,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074475150] [2022-07-21 11:14:42,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:14:42,488 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:14:42,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:14:42,489 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) [2022-07-21 11:14:42,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 11:14:45,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:14:45,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:14:46,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 3577 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:14:46,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:14:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-07-21 11:14:46,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:14:46,114 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:14:46,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074475150] [2022-07-21 11:14:46,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074475150] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:14:46,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:14:46,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:14:46,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431707031] [2022-07-21 11:14:46,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:14:46,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:14:46,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:14:46,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:14:46,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:14:46,116 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) [2022-07-21 11:14:47,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:14:47,429 INFO L93 Difference]: Finished difference Result 10615 states and 15496 transitions. [2022-07-21 11:14:47,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:14:47,430 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 [2022-07-21 11:14:47,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:14:47,468 INFO L225 Difference]: With dead ends: 10615 [2022-07-21 11:14:47,468 INFO L226 Difference]: Without dead ends: 5322 [2022-07-21 11:14:47,489 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 [2022-07-21 11:14:47,491 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 [2022-07-21 11:14:47,491 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] [2022-07-21 11:14:47,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5322 states. [2022-07-21 11:14:47,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5322 to 5322. [2022-07-21 11:14:47,692 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) [2022-07-21 11:14:47,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 7768 transitions. [2022-07-21 11:14:47,715 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 7768 transitions. Word has length 102 [2022-07-21 11:14:47,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:14:47,716 INFO L495 AbstractCegarLoop]: Abstraction has 5322 states and 7768 transitions. [2022-07-21 11:14:47,716 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) [2022-07-21 11:14:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 7768 transitions. [2022-07-21 11:14:47,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-21 11:14:47,731 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:14:47,732 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] [2022-07-21 11:14:47,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-21 11:14:47,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:14:47,948 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:14:47,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:14:47,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1111003360, now seen corresponding path program 1 times [2022-07-21 11:14:47,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:14:47,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752280489] [2022-07-21 11:14:47,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:14:47,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:14:47,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:14:47,954 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) [2022-07-21 11:14:47,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 11:14:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:52,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 4112 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 11:14:52,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:14:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 295 proven. 3 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-21 11:14:53,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:14:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-07-21 11:14:53,823 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:14:53,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752280489] [2022-07-21 11:14:53,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752280489] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:14:53,824 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:14:53,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-21 11:14:53,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946167297] [2022-07-21 11:14:53,824 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:14:53,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:14:53,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:14:53,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:14:53,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:14:53,826 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) [2022-07-21 11:15:01,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:15:01,242 INFO L93 Difference]: Finished difference Result 10657 states and 15803 transitions. [2022-07-21 11:15:01,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 11:15:01,243 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 [2022-07-21 11:15:01,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:15:01,273 INFO L225 Difference]: With dead ends: 10657 [2022-07-21 11:15:01,273 INFO L226 Difference]: Without dead ends: 5352 [2022-07-21 11:15:01,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-07-21 11:15:01,293 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 47 mSDsluCounter, 11226 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s 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, 6.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:15:01,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 15007 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-07-21 11:15:01,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5352 states. [2022-07-21 11:15:01,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5352 to 5322. [2022-07-21 11:15:01,503 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) [2022-07-21 11:15:01,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 7689 transitions. [2022-07-21 11:15:01,525 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 7689 transitions. Word has length 158 [2022-07-21 11:15:01,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:15:01,526 INFO L495 AbstractCegarLoop]: Abstraction has 5322 states and 7689 transitions. [2022-07-21 11:15:01,527 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) [2022-07-21 11:15:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 7689 transitions. [2022-07-21 11:15:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-21 11:15:01,538 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:15:01,539 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] [2022-07-21 11:15:01,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 11:15:01,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:15:01,759 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:15:01,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:15:01,760 INFO L85 PathProgramCache]: Analyzing trace with hash -697719776, now seen corresponding path program 2 times [2022-07-21 11:15:01,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:15:01,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313929209] [2022-07-21 11:15:01,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:15:01,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:15:01,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:15:01,767 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) [2022-07-21 11:15:01,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process