./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.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 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:41:09,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:41:09,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:41:09,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:41:09,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:41:09,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:41:09,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:41:09,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:41:09,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:41:09,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:41:09,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:41:09,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:41:09,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:41:09,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:41:09,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:41:09,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:41:09,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:41:09,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:41:09,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:41:09,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:41:09,551 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:41:09,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:41:09,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:41:09,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:41:09,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:41:09,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:41:09,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:41:09,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:41:09,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:41:09,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:41:09,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:41:09,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:41:09,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:41:09,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:41:09,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:41:09,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:41:09,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:41:09,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:41:09,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:41:09,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:41:09,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:41:09,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:41:09,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:41:09,608 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:41:09,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:41:09,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:41:09,609 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:41:09,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:41:09,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:41:09,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:41:09,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:41:09,611 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:41:09,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:41:09,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:41:09,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:41:09,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:41:09,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:41:09,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:41:09,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:41:09,613 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:41:09,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:41:09,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:41:09,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:41:09,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:41:09,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:41:09,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:41:09,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:41:09,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:41:09,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:41:09,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:41:09,616 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:41:09,616 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:41:09,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:41:09,617 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2022-07-23 01:41:09,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:41:09,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:41:09,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:41:09,874 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:41:09,875 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:41:09,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-23 01:41:09,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cb5d96e4/91b7886a991d44e38dd9b4803cfac07b/FLAG66cc399a4 [2022-07-23 01:41:10,826 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:41:10,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-23 01:41:10,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cb5d96e4/91b7886a991d44e38dd9b4803cfac07b/FLAG66cc399a4 [2022-07-23 01:41:11,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cb5d96e4/91b7886a991d44e38dd9b4803cfac07b [2022-07-23 01:41:11,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:41:11,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:41:11,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:41:11,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:41:11,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:41:11,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:41:11" (1/1) ... [2022-07-23 01:41:11,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e839edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:11, skipping insertion in model container [2022-07-23 01:41:11,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:41:11" (1/1) ... [2022-07-23 01:41:11,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:41:11,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:41:16,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-23 01:41:16,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:41:16,289 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:41:16,490 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:2268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:310) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 01:41:16,496 INFO L158 Benchmark]: Toolchain (without parser) took 5225.38ms. Allocated memory was 96.5MB in the beginning and 216.0MB in the end (delta: 119.5MB). Free memory was 62.6MB in the beginning and 123.0MB in the end (delta: -60.4MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2022-07-23 01:41:16,497 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 01:41:16,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5221.88ms. Allocated memory was 96.5MB in the beginning and 216.0MB in the end (delta: 119.5MB). Free memory was 62.6MB in the beginning and 123.0MB in the end (delta: -60.4MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2022-07-23 01:41:16,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5221.88ms. Allocated memory was 96.5MB in the beginning and 216.0MB in the end (delta: 119.5MB). Free memory was 62.6MB in the beginning and 123.0MB in the end (delta: -60.4MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.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 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:41:18,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:41:18,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:41:18,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:41:18,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:41:18,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:41:18,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:41:18,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:41:18,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:41:18,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:41:18,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:41:18,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:41:18,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:41:18,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:41:18,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:41:18,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:41:18,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:41:18,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:41:18,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:41:18,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:41:18,421 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:41:18,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:41:18,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:41:18,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:41:18,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:41:18,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:41:18,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:41:18,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:41:18,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:41:18,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:41:18,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:41:18,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:41:18,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:41:18,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:41:18,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:41:18,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:41:18,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:41:18,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:41:18,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:41:18,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:41:18,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:41:18,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:41:18,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 01:41:18,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:41:18,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:41:18,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:41:18,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:41:18,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:41:18,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:41:18,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:41:18,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:41:18,481 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:41:18,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:41:18,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:41:18,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:41:18,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:41:18,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:41:18,483 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 01:41:18,483 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 01:41:18,483 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 01:41:18,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:41:18,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:41:18,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:41:18,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:41:18,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:41:18,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:41:18,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:41:18,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:41:18,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:41:18,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:41:18,485 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 01:41:18,486 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 01:41:18,486 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:41:18,486 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:41:18,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:41:18,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 01:41:18,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2022-07-23 01:41:18,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:41:18,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:41:18,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:41:18,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:41:18,811 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:41:18,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-23 01:41:18,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6d4a003/4643f3bb027a4ef3a8406a98147a60fc/FLAG87df89902 [2022-07-23 01:41:19,821 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:41:19,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-23 01:41:19,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6d4a003/4643f3bb027a4ef3a8406a98147a60fc/FLAG87df89902 [2022-07-23 01:41:20,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6d4a003/4643f3bb027a4ef3a8406a98147a60fc [2022-07-23 01:41:20,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:41:20,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:41:20,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:41:20,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:41:20,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:41:20,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:41:20" (1/1) ... [2022-07-23 01:41:20,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6630f092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:20, skipping insertion in model container [2022-07-23 01:41:20,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:41:20" (1/1) ... [2022-07-23 01:41:20,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:41:20,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:41:24,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-23 01:41:24,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:41:24,911 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 01:41:25,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:41:25,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-23 01:41:25,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:41:25,532 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:41:26,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-23 01:41:26,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:41:26,406 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:41:26,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:26 WrapperNode [2022-07-23 01:41:26,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:41:26,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:41:26,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:41:26,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:41:26,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:26" (1/1) ... [2022-07-23 01:41:26,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:26" (1/1) ... [2022-07-23 01:41:26,800 INFO L137 Inliner]: procedures = 541, calls = 6245, calls flagged for inlining = 183, calls inlined = 161, statements flattened = 7380 [2022-07-23 01:41:26,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:41:26,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:41:26,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:41:26,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:41:26,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:26" (1/1) ... [2022-07-23 01:41:26,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:26" (1/1) ... [2022-07-23 01:41:26,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:26" (1/1) ... [2022-07-23 01:41:26,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:26" (1/1) ... [2022-07-23 01:41:27,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:26" (1/1) ... [2022-07-23 01:41:27,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:26" (1/1) ... [2022-07-23 01:41:27,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:26" (1/1) ... [2022-07-23 01:41:27,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:41:27,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:41:27,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:41:27,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:41:27,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:26" (1/1) ... [2022-07-23 01:41:27,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:41:27,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:41:27,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 01:41:27,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 01:41:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-07-23 01:41:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-07-23 01:41:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-07-23 01:41:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-07-23 01:41:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_5 [2022-07-23 01:41:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_5 [2022-07-23 01:41:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-23 01:41:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 01:41:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 01:41:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:41:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:41:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-07-23 01:41:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-07-23 01:41:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 01:41:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 01:41:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 01:41:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 01:41:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:41:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:41:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-07-23 01:41:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-07-23 01:41:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-23 01:41:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-23 01:41:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 01:41:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 01:41:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-23 01:41:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-23 01:41:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-07-23 01:41:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-07-23 01:41:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-07-23 01:41:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-07-23 01:41:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-07-23 01:41:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-07-23 01:41:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 01:41:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 01:41:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 01:41:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 01:41:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 01:41:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 01:41:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-07-23 01:41:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-07-23 01:41:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 01:41:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 01:41:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 01:41:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 01:41:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:41:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 01:41:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 01:41:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 01:41:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 01:41:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 01:41:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 01:41:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:41:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:41:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-23 01:41:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-23 01:41:27,212 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-07-23 01:41:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-07-23 01:41:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 01:41:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 01:41:27,213 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 01:41:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 01:41:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-07-23 01:41:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-07-23 01:41:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 01:41:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 01:41:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-23 01:41:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-23 01:41:27,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 01:41:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 01:41:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 01:41:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 01:41:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:41:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:41:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:41:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:41:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_set_mac_address [2022-07-23 01:41:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_set_mac_address [2022-07-23 01:41:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-07-23 01:41:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-07-23 01:41:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 01:41:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 01:41:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:41:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:41:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:41:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-23 01:41:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:41:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 01:41:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 01:41:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:41:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 01:41:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 01:41:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 01:41:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 01:41:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 01:41:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 01:41:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 01:41:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 01:41:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 01:41:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 01:41:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 01:41:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 01:41:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-23 01:41:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-23 01:41:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 01:41:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 01:41:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 01:41:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 01:41:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 01:41:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-07-23 01:41:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-07-23 01:41:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-23 01:41:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-23 01:41:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-23 01:41:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-23 01:41:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:41:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:41:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 01:41:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 01:41:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 01:41:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-23 01:41:27,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-23 01:41:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-07-23 01:41:27,285 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-07-23 01:41:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 01:41:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 01:41:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:41:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 01:41:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:41:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:41:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:41:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 01:41:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 01:41:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 01:41:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 01:41:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 01:41:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 01:41:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-07-23 01:41:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-07-23 01:41:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-23 01:41:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-23 01:41:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 01:41:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 01:41:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:41:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:41:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 01:41:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 01:41:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:41:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:41:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:41:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:41:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 01:41:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 01:41:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 01:41:27,288 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 01:41:27,288 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 01:41:27,288 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 01:41:27,288 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-23 01:41:27,288 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-23 01:41:27,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:41:27,288 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 01:41:27,288 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 01:41:27,288 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-07-23 01:41:27,288 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-07-23 01:41:27,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:41:27,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 01:41:27,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 01:41:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-23 01:41:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-23 01:41:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 01:41:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-23 01:41:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-23 01:41:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 01:41:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 01:41:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 01:41:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:41:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-23 01:41:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-23 01:41:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 01:41:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 01:41:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 01:41:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 01:41:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-23 01:41:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-23 01:41:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 01:41:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 01:41:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 01:41:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 01:41:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-07-23 01:41:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-07-23 01:41:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-07-23 01:41:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-07-23 01:41:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 01:41:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 01:41:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-23 01:41:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-23 01:41:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-23 01:41:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-23 01:41:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-07-23 01:41:27,303 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-07-23 01:41:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 01:41:27,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 01:41:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___1 [2022-07-23 01:41:27,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___1 [2022-07-23 01:41:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 01:41:27,304 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 01:41:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-07-23 01:41:27,304 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-07-23 01:41:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-07-23 01:41:27,304 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-07-23 01:41:27,305 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:41:27,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:41:27,305 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-07-23 01:41:27,305 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-07-23 01:41:27,305 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-23 01:41:27,305 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-23 01:41:27,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 01:41:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 01:41:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 01:41:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 01:41:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-23 01:41:27,306 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-23 01:41:27,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:41:27,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:41:27,307 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-07-23 01:41:27,307 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-07-23 01:41:27,307 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-07-23 01:41:27,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-07-23 01:41:27,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:41:27,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:41:27,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 01:41:27,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 01:41:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-23 01:41:27,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-23 01:41:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-07-23 01:41:27,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-07-23 01:41:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-23 01:41:27,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-23 01:41:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 01:41:27,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 01:41:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2022-07-23 01:41:27,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2022-07-23 01:41:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-23 01:41:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-23 01:41:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-07-23 01:41:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-07-23 01:41:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-07-23 01:41:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-07-23 01:41:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-23 01:41:27,318 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-23 01:41:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 01:41:27,318 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 01:41:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 01:41:27,319 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 01:41:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-07-23 01:41:27,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-07-23 01:41:28,201 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:41:28,206 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:41:31,767 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:42:24,589 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:42:24,605 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:42:24,605 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 01:42:24,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:42:24 BoogieIcfgContainer [2022-07-23 01:42:24,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:42:24,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:42:24,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:42:24,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:42:24,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:41:20" (1/3) ... [2022-07-23 01:42:24,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b992b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:42:24, skipping insertion in model container [2022-07-23 01:42:24,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:41:26" (2/3) ... [2022-07-23 01:42:24,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b992b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:42:24, skipping insertion in model container [2022-07-23 01:42:24,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:42:24" (3/3) ... [2022-07-23 01:42:24,616 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-23 01:42:24,628 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:42:24,628 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:42:24,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:42:24,715 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@81eee11, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2a6fa5bd [2022-07-23 01:42:24,715 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:42:24,727 INFO L276 IsEmpty]: Start isEmpty. Operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) [2022-07-23 01:42:24,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-23 01:42:24,765 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:42:24,766 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2022-07-23 01:42:24,766 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:42:24,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:42:24,771 INFO L85 PathProgramCache]: Analyzing trace with hash -363408964, now seen corresponding path program 1 times [2022-07-23 01:42:24,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:42:24,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52610360] [2022-07-23 01:42:24,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:42:24,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:42:24,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:42:24,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:42:24,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 01:42:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:42:32,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 01:42:32,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:42:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-23 01:42:32,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:42:32,902 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:42:32,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [52610360] [2022-07-23 01:42:32,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [52610360] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:42:32,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:42:32,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:42:32,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187266077] [2022-07-23 01:42:32,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:42:32,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 01:42:32,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:42:32,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 01:42:32,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:42:32,948 INFO L87 Difference]: Start difference. First operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 01:42:33,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:42:33,103 INFO L93 Difference]: Finished difference Result 3777 states and 5358 transitions. [2022-07-23 01:42:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 01:42:33,105 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2022-07-23 01:42:33,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:42:33,138 INFO L225 Difference]: With dead ends: 3777 [2022-07-23 01:42:33,138 INFO L226 Difference]: Without dead ends: 1843 [2022-07-23 01:42:33,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:42:33,160 INFO L413 NwaCegarLoop]: 2634 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:42:33,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2634 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:42:33,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2022-07-23 01:42:33,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2022-07-23 01:42:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1282 states have (on average 1.2870514820592824) internal successors, (1650), 1302 states have internal predecessors, (1650), 451 states have call successors, (451), 110 states have call predecessors, (451), 109 states have return successors, (450), 447 states have call predecessors, (450), 450 states have call successors, (450) [2022-07-23 01:42:33,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2551 transitions. [2022-07-23 01:42:33,340 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2551 transitions. Word has length 119 [2022-07-23 01:42:33,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:42:33,340 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2551 transitions. [2022-07-23 01:42:33,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 01:42:33,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2551 transitions. [2022-07-23 01:42:33,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-23 01:42:33,349 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:42:33,349 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2022-07-23 01:42:33,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 01:42:33,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:42:33,564 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:42:33,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:42:33,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1015622410, now seen corresponding path program 1 times [2022-07-23 01:42:33,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:42:33,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1967467582] [2022-07-23 01:42:33,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:42:33,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:42:33,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:42:33,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:42:33,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 01:42:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:42:41,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 01:42:41,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:42:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-07-23 01:42:41,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:42:41,671 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:42:41,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1967467582] [2022-07-23 01:42:41,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1967467582] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:42:41,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:42:41,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:42:41,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670839018] [2022-07-23 01:42:41,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:42:41,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:42:41,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:42:41,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:42:41,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:42:41,674 INFO L87 Difference]: Start difference. First operand 1843 states and 2551 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-23 01:42:42,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:42:42,255 INFO L93 Difference]: Finished difference Result 3686 states and 5107 transitions. [2022-07-23 01:42:42,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:42:42,257 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 119 [2022-07-23 01:42:42,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:42:42,272 INFO L225 Difference]: With dead ends: 3686 [2022-07-23 01:42:42,272 INFO L226 Difference]: Without dead ends: 1846 [2022-07-23 01:42:42,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:42:42,287 INFO L413 NwaCegarLoop]: 2545 mSDtfsCounter, 6 mSDsluCounter, 10162 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 12707 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 01:42:42,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 12707 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 01:42:42,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-07-23 01:42:42,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1846. [2022-07-23 01:42:42,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1846 states, 1284 states have (on average 1.2873831775700935) internal successors, (1653), 1305 states have internal predecessors, (1653), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-23 01:42:42,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2555 transitions. [2022-07-23 01:42:42,373 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2555 transitions. Word has length 119 [2022-07-23 01:42:42,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:42:42,375 INFO L495 AbstractCegarLoop]: Abstraction has 1846 states and 2555 transitions. [2022-07-23 01:42:42,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-23 01:42:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2555 transitions. [2022-07-23 01:42:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-23 01:42:42,381 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:42:42,382 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-07-23 01:42:42,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 01:42:42,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:42:42,599 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:42:42,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:42:42,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1360405180, now seen corresponding path program 1 times [2022-07-23 01:42:42,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:42:42,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2081367075] [2022-07-23 01:42:42,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:42:42,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:42:42,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:42:42,607 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:42:42,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 01:42:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:42:50,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 5426 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 01:42:50,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:42:51,003 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-23 01:42:51,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:42:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-23 01:42:52,023 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:42:52,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2081367075] [2022-07-23 01:42:52,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2081367075] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:42:52,024 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:42:52,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-23 01:42:52,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958418633] [2022-07-23 01:42:52,024 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:42:52,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 01:42:52,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:42:52,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 01:42:52,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:42:52,028 INFO L87 Difference]: Start difference. First operand 1846 states and 2555 transitions. Second operand has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 11 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-23 01:42:53,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:42:53,032 INFO L93 Difference]: Finished difference Result 3692 states and 5115 transitions. [2022-07-23 01:42:53,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 01:42:53,034 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 11 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 121 [2022-07-23 01:42:53,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:42:53,046 INFO L225 Difference]: With dead ends: 3692 [2022-07-23 01:42:53,047 INFO L226 Difference]: Without dead ends: 1849 [2022-07-23 01:42:53,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-23 01:42:53,059 INFO L413 NwaCegarLoop]: 2546 mSDtfsCounter, 15 mSDsluCounter, 15243 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 17789 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:42:53,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 17789 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 01:42:53,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2022-07-23 01:42:53,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1847. [2022-07-23 01:42:53,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1847 states, 1285 states have (on average 1.2879377431906616) internal successors, (1655), 1306 states have internal predecessors, (1655), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-23 01:42:53,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2557 transitions. [2022-07-23 01:42:53,134 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2557 transitions. Word has length 121 [2022-07-23 01:42:53,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:42:53,134 INFO L495 AbstractCegarLoop]: Abstraction has 1847 states and 2557 transitions. [2022-07-23 01:42:53,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 11 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-23 01:42:53,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2557 transitions. [2022-07-23 01:42:53,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-23 01:42:53,139 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:42:53,140 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2022-07-23 01:42:53,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 01:42:53,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:42:53,359 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:42:53,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:42:53,360 INFO L85 PathProgramCache]: Analyzing trace with hash -648388810, now seen corresponding path program 2 times [2022-07-23 01:42:53,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:42:53,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576647119] [2022-07-23 01:42:53,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:42:53,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:42:53,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:42:53,368 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:42:53,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 01:43:01,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:43:01,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:43:01,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 5225 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 01:43:01,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:43:02,124 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-23 01:43:02,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:43:02,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:43:02,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576647119] [2022-07-23 01:43:02,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576647119] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:43:02,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:43:02,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:43:02,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140398432] [2022-07-23 01:43:02,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:43:02,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:43:02,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:43:02,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:43:02,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:43:02,127 INFO L87 Difference]: Start difference. First operand 1847 states and 2557 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-23 01:43:03,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:43:03,440 INFO L93 Difference]: Finished difference Result 5184 states and 7427 transitions. [2022-07-23 01:43:03,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:43:03,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 123 [2022-07-23 01:43:03,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:43:03,465 INFO L225 Difference]: With dead ends: 5184 [2022-07-23 01:43:03,465 INFO L226 Difference]: Without dead ends: 3347 [2022-07-23 01:43:03,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:43:03,478 INFO L413 NwaCegarLoop]: 3992 mSDtfsCounter, 2678 mSDsluCounter, 10187 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 14179 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 705 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:43:03,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 14179 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [705 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-23 01:43:03,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3347 states. [2022-07-23 01:43:03,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3347 to 1850. [2022-07-23 01:43:03,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1850 states, 1288 states have (on average 1.2872670807453417) internal successors, (1658), 1309 states have internal predecessors, (1658), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-23 01:43:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2560 transitions. [2022-07-23 01:43:03,577 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2560 transitions. Word has length 123 [2022-07-23 01:43:03,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:43:03,578 INFO L495 AbstractCegarLoop]: Abstraction has 1850 states and 2560 transitions. [2022-07-23 01:43:03,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-23 01:43:03,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2560 transitions. [2022-07-23 01:43:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-23 01:43:03,583 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:43:03,584 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2022-07-23 01:43:03,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 01:43:03,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:43:03,804 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:43:03,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:43:03,804 INFO L85 PathProgramCache]: Analyzing trace with hash 522914390, now seen corresponding path program 1 times [2022-07-23 01:43:03,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:43:03,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822368707] [2022-07-23 01:43:03,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:43:03,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:43:03,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:43:03,812 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) [2022-07-23 01:43:03,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 01:43:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:43:12,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 5464 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:43:12,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:43:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-23 01:43:13,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:43:14,531 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-07-23 01:43:14,531 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:43:14,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822368707] [2022-07-23 01:43:14,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1822368707] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:43:14,531 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:43:14,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-23 01:43:14,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354695095] [2022-07-23 01:43:14,532 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:43:14,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 01:43:14,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:43:14,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 01:43:14,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-23 01:43:14,533 INFO L87 Difference]: Start difference. First operand 1850 states and 2560 transitions. Second operand has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-23 01:43:15,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:43:15,880 INFO L93 Difference]: Finished difference Result 3702 states and 5127 transitions. [2022-07-23 01:43:15,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 01:43:15,882 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 126 [2022-07-23 01:43:15,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:43:15,895 INFO L225 Difference]: With dead ends: 3702 [2022-07-23 01:43:15,895 INFO L226 Difference]: Without dead ends: 1855 [2022-07-23 01:43:15,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-07-23 01:43:15,906 INFO L413 NwaCegarLoop]: 2547 mSDtfsCounter, 13 mSDsluCounter, 22872 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 25419 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-23 01:43:15,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 25419 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-23 01:43:15,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-07-23 01:43:15,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1851. [2022-07-23 01:43:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1851 states, 1289 states have (on average 1.2878200155159039) internal successors, (1660), 1310 states have internal predecessors, (1660), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-23 01:43:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1851 states and 2562 transitions. [2022-07-23 01:43:15,971 INFO L78 Accepts]: Start accepts. Automaton has 1851 states and 2562 transitions. Word has length 126 [2022-07-23 01:43:15,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:43:15,972 INFO L495 AbstractCegarLoop]: Abstraction has 1851 states and 2562 transitions. [2022-07-23 01:43:15,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-23 01:43:15,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2562 transitions. [2022-07-23 01:43:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-23 01:43:15,977 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:43:15,978 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2022-07-23 01:43:16,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 01:43:16,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:43:16,192 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:43:16,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:43:16,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1433036720, now seen corresponding path program 2 times [2022-07-23 01:43:16,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:43:16,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971580856] [2022-07-23 01:43:16,198 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:43:16,199 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:43:16,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:43:16,200 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) [2022-07-23 01:43:16,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 01:43:24,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:43:24,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:43:25,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 5241 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 01:43:25,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:43:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-23 01:43:25,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:43:25,506 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:43:25,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971580856] [2022-07-23 01:43:25,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971580856] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:43:25,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:43:25,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:43:25,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748246974] [2022-07-23 01:43:25,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:43:25,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:43:25,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:43:25,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:43:25,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:43:25,508 INFO L87 Difference]: Start difference. First operand 1851 states and 2562 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-23 01:43:25,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:43:25,693 INFO L93 Difference]: Finished difference Result 1858 states and 2568 transitions. [2022-07-23 01:43:25,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 01:43:25,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2022-07-23 01:43:25,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:43:25,706 INFO L225 Difference]: With dead ends: 1858 [2022-07-23 01:43:25,706 INFO L226 Difference]: Without dead ends: 1855 [2022-07-23 01:43:25,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:43:25,708 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 9 mSDsluCounter, 7634 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 10185 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:43:25,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 10185 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 01:43:25,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-07-23 01:43:25,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1855. [2022-07-23 01:43:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1855 states, 1292 states have (on average 1.2871517027863777) internal successors, (1663), 1313 states have internal predecessors, (1663), 451 states have call successors, (451), 111 states have call predecessors, (451), 111 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-23 01:43:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2565 transitions. [2022-07-23 01:43:25,766 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2565 transitions. Word has length 128 [2022-07-23 01:43:25,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:43:25,767 INFO L495 AbstractCegarLoop]: Abstraction has 1855 states and 2565 transitions. [2022-07-23 01:43:25,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-23 01:43:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2565 transitions. [2022-07-23 01:43:25,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-07-23 01:43:25,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:43:25,776 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:43:25,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-23 01:43:25,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:43:25,991 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:43:25,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:43:25,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1522367651, now seen corresponding path program 1 times [2022-07-23 01:43:25,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:43:25,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624650663] [2022-07-23 01:43:25,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:43:25,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:43:25,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:43:25,999 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) [2022-07-23 01:43:25,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 01:43:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:43:34,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 5730 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 01:43:34,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:43:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-23 01:43:34,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:43:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-23 01:43:36,655 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:43:36,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624650663] [2022-07-23 01:43:36,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624650663] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:43:36,656 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:43:36,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-23 01:43:36,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390973632] [2022-07-23 01:43:36,656 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:43:36,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 01:43:36,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:43:36,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 01:43:36,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:43:36,658 INFO L87 Difference]: Start difference. First operand 1855 states and 2565 transitions. Second operand has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-23 01:43:38,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:43:38,255 INFO L93 Difference]: Finished difference Result 3714 states and 5139 transitions. [2022-07-23 01:43:38,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 01:43:38,257 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) Word has length 170 [2022-07-23 01:43:38,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:43:38,268 INFO L225 Difference]: With dead ends: 3714 [2022-07-23 01:43:38,268 INFO L226 Difference]: Without dead ends: 1862 [2022-07-23 01:43:38,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2022-07-23 01:43:38,277 INFO L413 NwaCegarLoop]: 2548 mSDtfsCounter, 34 mSDsluCounter, 22879 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 25427 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:43:38,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 25427 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-23 01:43:38,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2022-07-23 01:43:38,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1856. [2022-07-23 01:43:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1856 states, 1293 states have (on average 1.2877030162412992) internal successors, (1665), 1314 states have internal predecessors, (1665), 451 states have call successors, (451), 111 states have call predecessors, (451), 111 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-23 01:43:38,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2567 transitions. [2022-07-23 01:43:38,334 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2567 transitions. Word has length 170 [2022-07-23 01:43:38,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:43:38,335 INFO L495 AbstractCegarLoop]: Abstraction has 1856 states and 2567 transitions. [2022-07-23 01:43:38,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-23 01:43:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2567 transitions. [2022-07-23 01:43:38,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-23 01:43:38,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:43:38,342 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:43:38,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 01:43:38,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:43:38,563 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:43:38,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:43:38,564 INFO L85 PathProgramCache]: Analyzing trace with hash 354032547, now seen corresponding path program 2 times [2022-07-23 01:43:38,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:43:38,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659027496] [2022-07-23 01:43:38,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:43:38,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:43:38,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:43:38,570 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:43:38,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process