./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.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 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:19:55,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:19:55,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:19:55,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:19:55,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:19:55,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:19:55,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:19:55,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:19:55,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:19:55,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:19:55,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:19:55,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:19:55,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:19:55,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:19:55,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:19:55,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:19:55,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:19:55,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:19:55,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:19:55,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:19:55,211 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:19:55,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:19:55,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:19:55,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:19:55,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:19:55,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:19:55,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:19:55,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:19:55,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:19:55,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:19:55,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:19:55,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:19:55,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:19:55,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:19:55,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:19:55,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:19:55,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:19:55,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:19:55,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:19:55,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:19:55,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:19:55,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:19:55,225 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:19:55,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:19:55,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:19:55,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:19:55,243 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:19:55,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:19:55,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:19:55,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:19:55,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:19:55,244 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:19:55,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:19:55,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:19:55,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:19:55,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:19:55,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:19:55,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:19:55,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:19:55,246 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:19:55,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:19:55,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:19:55,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:19:55,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:19:55,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:19:55,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:19:55,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:19:55,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:19:55,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:19:55,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:19:55,248 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:19:55,248 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:19:55,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:19:55,248 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2022-07-19 23:19:55,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:19:55,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:19:55,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:19:55,460 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:19:55,460 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:19:55,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-07-19 23:19:55,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/365e25501/81fc37dcb7a54daa93b7b5fd45c6ea65/FLAGa4871a87b [2022-07-19 23:19:56,296 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:19:56,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-07-19 23:19:56,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/365e25501/81fc37dcb7a54daa93b7b5fd45c6ea65/FLAGa4871a87b [2022-07-19 23:19:56,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/365e25501/81fc37dcb7a54daa93b7b5fd45c6ea65 [2022-07-19 23:19:56,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:19:56,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:19:56,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:19:56,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:19:56,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:19:56,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:19:56" (1/1) ... [2022-07-19 23:19:56,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddce625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:19:56, skipping insertion in model container [2022-07-19 23:19:56,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:19:56" (1/1) ... [2022-07-19 23:19:56,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:19:56,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:19:59,835 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-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2022-07-19 23:19:59,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:19:59,997 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:20:00,155 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-19 23:20:00,164 INFO L158 Benchmark]: Toolchain (without parser) took 3654.66ms. Allocated memory was 90.2MB in the beginning and 178.3MB in the end (delta: 88.1MB). Free memory was 50.4MB in the beginning and 93.9MB in the end (delta: -43.5MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2022-07-19 23:20:00,165 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:20:00,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3652.03ms. Allocated memory was 90.2MB in the beginning and 178.3MB in the end (delta: 88.1MB). Free memory was 50.1MB in the beginning and 93.9MB in the end (delta: -43.9MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2022-07-19 23:20:00,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3652.03ms. Allocated memory was 90.2MB in the beginning and 178.3MB in the end (delta: 88.1MB). Free memory was 50.1MB in the beginning and 93.9MB in the end (delta: -43.9MB). Peak memory consumption was 94.8MB. 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-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.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 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:20:02,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:20:02,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:20:02,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:20:02,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:20:02,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:20:02,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:20:02,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:20:02,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:20:02,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:20:02,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:20:02,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:20:02,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:20:02,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:20:02,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:20:02,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:20:02,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:20:02,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:20:02,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:20:02,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:20:02,184 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:20:02,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:20:02,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:20:02,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:20:02,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:20:02,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:20:02,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:20:02,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:20:02,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:20:02,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:20:02,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:20:02,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:20:02,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:20:02,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:20:02,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:20:02,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:20:02,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:20:02,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:20:02,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:20:02,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:20:02,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:20:02,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:20:02,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:20:02,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:20:02,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:20:02,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:20:02,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:20:02,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:20:02,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:20:02,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:20:02,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:20:02,234 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:20:02,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:20:02,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:20:02,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:20:02,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:20:02,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:20:02,235 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:20:02,235 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:20:02,236 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:20:02,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:20:02,236 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:20:02,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:20:02,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:20:02,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:20:02,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:20:02,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:20:02,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:20:02,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:20:02,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:20:02,237 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:20:02,237 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:20:02,237 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:20:02,238 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:20:02,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:20:02,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:20:02,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2022-07-19 23:20:02,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:20:02,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:20:02,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:20:02,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:20:02,600 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:20:02,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-07-19 23:20:02,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02260a1bd/75541a1f9cbc4496b3d2361b94d65251/FLAGb0db624ee [2022-07-19 23:20:03,466 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:20:03,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-07-19 23:20:03,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02260a1bd/75541a1f9cbc4496b3d2361b94d65251/FLAGb0db624ee [2022-07-19 23:20:03,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02260a1bd/75541a1f9cbc4496b3d2361b94d65251 [2022-07-19 23:20:03,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:20:03,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:20:03,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:20:03,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:20:03,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:20:03,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:20:03" (1/1) ... [2022-07-19 23:20:03,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163b07fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:03, skipping insertion in model container [2022-07-19 23:20:03,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:20:03" (1/1) ... [2022-07-19 23:20:03,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:20:03,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:20:07,682 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-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2022-07-19 23:20:07,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:20:07,799 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:20:07,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:20:08,396 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-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2022-07-19 23:20:08,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:20:08,489 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:20:08,896 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-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2022-07-19 23:20:08,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:20:09,131 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:20:09,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:09 WrapperNode [2022-07-19 23:20:09,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:20:09,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:20:09,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:20:09,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:20:09,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:09" (1/1) ... [2022-07-19 23:20:09,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:09" (1/1) ... [2022-07-19 23:20:09,519 INFO L137 Inliner]: procedures = 581, calls = 7123, calls flagged for inlining = 254, calls inlined = 183, statements flattened = 10135 [2022-07-19 23:20:09,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:20:09,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:20:09,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:20:09,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:20:09,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:09" (1/1) ... [2022-07-19 23:20:09,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:09" (1/1) ... [2022-07-19 23:20:09,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:09" (1/1) ... [2022-07-19 23:20:09,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:09" (1/1) ... [2022-07-19 23:20:09,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:09" (1/1) ... [2022-07-19 23:20:09,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:09" (1/1) ... [2022-07-19 23:20:09,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:09" (1/1) ... [2022-07-19 23:20:09,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:20:09,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:20:09,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:20:09,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:20:09,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:09" (1/1) ... [2022-07-19 23:20:09,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:20:09,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:20:09,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 23:20:09,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 23:20:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-19 23:20:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-19 23:20:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-19 23:20:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-19 23:20:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-19 23:20:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-19 23:20:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-19 23:20:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-07-19 23:20:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-07-19 23:20:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-19 23:20:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-19 23:20:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-19 23:20:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-19 23:20:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-07-19 23:20:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-07-19 23:20:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:20:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:20:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-07-19 23:20:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-07-19 23:20:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-07-19 23:20:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-07-19 23:20:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-19 23:20:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-19 23:20:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-19 23:20:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-19 23:20:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-07-19 23:20:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-07-19 23:20:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-07-19 23:20:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-07-19 23:20:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-19 23:20:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-19 23:20:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-19 23:20:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-19 23:20:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-19 23:20:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-19 23:20:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-19 23:20:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-19 23:20:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-19 23:20:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-19 23:20:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-19 23:20:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-19 23:20:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-07-19 23:20:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-07-19 23:20:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 23:20:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 23:20:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-19 23:20:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-19 23:20:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-07-19 23:20:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-07-19 23:20:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-07-19 23:20:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-07-19 23:20:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-19 23:20:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-19 23:20:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-07-19 23:20:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-07-19 23:20:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-19 23:20:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-19 23:20:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-19 23:20:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-07-19 23:20:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-07-19 23:20:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-19 23:20:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-19 23:20:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-19 23:20:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-19 23:20:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:20:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-19 23:20:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-19 23:20:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-07-19 23:20:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-07-19 23:20:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-07-19 23:20:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-07-19 23:20:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:20:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:20:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:20:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-07-19 23:20:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-07-19 23:20:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-07-19 23:20:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-07-19 23:20:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-19 23:20:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-19 23:20:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-07-19 23:20:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-07-19 23:20:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-07-19 23:20:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-07-19 23:20:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-19 23:20:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-19 23:20:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-07-19 23:20:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-07-19 23:20:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 23:20:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 23:20:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-19 23:20:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-19 23:20:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-19 23:20:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-19 23:20:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-19 23:20:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-19 23:20:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-19 23:20:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-19 23:20:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-07-19 23:20:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-07-19 23:20:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-07-19 23:20:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-07-19 23:20:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-07-19 23:20:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-07-19 23:20:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-19 23:20:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-19 23:20:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-19 23:20:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-19 23:20:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-19 23:20:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-19 23:20:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:20:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:20:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-19 23:20:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-19 23:20:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-07-19 23:20:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-07-19 23:20:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-07-19 23:20:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-07-19 23:20:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-19 23:20:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-19 23:20:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-19 23:20:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-19 23:20:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-07-19 23:20:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-07-19 23:20:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-07-19 23:20:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-07-19 23:20:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-19 23:20:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-19 23:20:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-19 23:20:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-19 23:20:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-19 23:20:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-19 23:20:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-07-19 23:20:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-07-19 23:20:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:20:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-07-19 23:20:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-07-19 23:20:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-07-19 23:20:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-07-19 23:20:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-07-19 23:20:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-07-19 23:20:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:20:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-19 23:20:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-19 23:20:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-19 23:20:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-19 23:20:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:20:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 23:20:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 23:20:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 23:20:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 23:20:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-07-19 23:20:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-07-19 23:20:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-07-19 23:20:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-07-19 23:20:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-19 23:20:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-19 23:20:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-19 23:20:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-19 23:20:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-07-19 23:20:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-07-19 23:20:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-19 23:20:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-19 23:20:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-07-19 23:20:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-07-19 23:20:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-19 23:20:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-19 23:20:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-07-19 23:20:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-07-19 23:20:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:20:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:20:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-19 23:20:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-19 23:20:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-07-19 23:20:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-07-19 23:20:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-19 23:20:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-19 23:20:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-19 23:20:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-19 23:20:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-19 23:20:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-19 23:20:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-07-19 23:20:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-07-19 23:20:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 23:20:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:20:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:20:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-07-19 23:20:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-07-19 23:20:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-19 23:20:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-19 23:20:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-07-19 23:20:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-07-19 23:20:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:20:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-07-19 23:20:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-07-19 23:20:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:20:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:20:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-19 23:20:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-07-19 23:20:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-07-19 23:20:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 23:20:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:20:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 23:20:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:20:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-07-19 23:20:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-07-19 23:20:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-19 23:20:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-19 23:20:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-07-19 23:20:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-07-19 23:20:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-19 23:20:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-19 23:20:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-19 23:20:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-19 23:20:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-19 23:20:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-19 23:20:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-07-19 23:20:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-07-19 23:20:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-19 23:20:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-19 23:20:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-19 23:20:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-07-19 23:20:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-07-19 23:20:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-07-19 23:20:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-07-19 23:20:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-07-19 23:20:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-07-19 23:20:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:20:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:20:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:20:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:20:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-19 23:20:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-19 23:20:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-19 23:20:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-19 23:20:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-19 23:20:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-19 23:20:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-07-19 23:20:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-07-19 23:20:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-19 23:20:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-19 23:20:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:20:09,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:20:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-07-19 23:20:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-07-19 23:20:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-19 23:20:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-19 23:20:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-19 23:20:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-19 23:20:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-19 23:20:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-19 23:20:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-07-19 23:20:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-07-19 23:20:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-19 23:20:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-19 23:20:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-19 23:20:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-19 23:20:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:20:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-19 23:20:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-19 23:20:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-19 23:20:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-19 23:20:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-19 23:20:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-19 23:20:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:20:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-07-19 23:20:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-07-19 23:20:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-07-19 23:20:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-07-19 23:20:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-19 23:20:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-19 23:20:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-19 23:20:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 23:20:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 23:20:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 23:20:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:20:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-07-19 23:20:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-07-19 23:20:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-19 23:20:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-19 23:20:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-19 23:20:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-19 23:20:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-07-19 23:20:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-07-19 23:20:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-19 23:20:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-19 23:20:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-19 23:20:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-19 23:20:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-19 23:20:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-19 23:20:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-07-19 23:20:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-07-19 23:20:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-19 23:20:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-19 23:20:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-07-19 23:20:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-07-19 23:20:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-19 23:20:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-19 23:20:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-19 23:20:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-19 23:20:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-19 23:20:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-19 23:20:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-07-19 23:20:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-07-19 23:20:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-19 23:20:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-19 23:20:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-19 23:20:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-19 23:20:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-19 23:20:09,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-19 23:20:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-19 23:20:09,932 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-19 23:20:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-19 23:20:09,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-19 23:20:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-07-19 23:20:09,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-07-19 23:20:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:20:09,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:20:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 23:20:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 23:20:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 23:20:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 23:20:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:20:09,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:20:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-07-19 23:20:09,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-07-19 23:20:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-19 23:20:09,933 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-19 23:20:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-19 23:20:09,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-19 23:20:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-07-19 23:20:09,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-07-19 23:20:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-07-19 23:20:09,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-07-19 23:20:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-19 23:20:09,934 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-19 23:20:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-07-19 23:20:09,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-07-19 23:20:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-19 23:20:09,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-19 23:20:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-07-19 23:20:09,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-07-19 23:20:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-07-19 23:20:09,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-07-19 23:20:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-07-19 23:20:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-07-19 23:20:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-19 23:20:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-19 23:20:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-19 23:20:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-19 23:20:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-07-19 23:20:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-07-19 23:20:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-07-19 23:20:09,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-07-19 23:20:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-19 23:20:09,937 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-19 23:20:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-07-19 23:20:09,937 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-07-19 23:20:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-07-19 23:20:09,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-07-19 23:20:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-19 23:20:09,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-19 23:20:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 23:20:09,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 23:20:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-07-19 23:20:09,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-07-19 23:20:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-07-19 23:20:09,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-07-19 23:20:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-19 23:20:09,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-19 23:20:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-07-19 23:20:09,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-07-19 23:20:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-19 23:20:09,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-19 23:20:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-07-19 23:20:09,939 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-07-19 23:20:10,787 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:20:10,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:22:20,828 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:22:20,868 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:22:20,869 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:22:20,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:22:20 BoogieIcfgContainer [2022-07-19 23:22:20,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:22:20,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:22:20,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:22:20,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:22:20,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:20:03" (1/3) ... [2022-07-19 23:22:20,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a969f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:22:20, skipping insertion in model container [2022-07-19 23:22:20,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:20:09" (2/3) ... [2022-07-19 23:22:20,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a969f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:22:20, skipping insertion in model container [2022-07-19 23:22:20,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:22:20" (3/3) ... [2022-07-19 23:22:20,881 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-07-19 23:22:20,903 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:22:20,919 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:22:21,021 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:22:21,026 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@7c5f907e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@c9f529b [2022-07-19 23:22:21,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:22:21,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 3121 states, 2200 states have (on average 1.345) internal successors, (2959), 2245 states have internal predecessors, (2959), 748 states have call successors, (748), 171 states have call predecessors, (748), 171 states have return successors, (748), 740 states have call predecessors, (748), 748 states have call successors, (748) [2022-07-19 23:22:21,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-19 23:22:21,041 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:22:21,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:22:21,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:22:21,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:22:21,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1635148979, now seen corresponding path program 1 times [2022-07-19 23:22:21,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:22:21,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051962568] [2022-07-19 23:22:21,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:22:21,060 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:22:21,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:22:21,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:22:21,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:22:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:22:23,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 4214 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:22:23,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:22:23,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:22:23,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:22:23,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:22:23,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051962568] [2022-07-19 23:22:23,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051962568] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:22:23,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:22:23,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:22:23,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031711818] [2022-07-19 23:22:23,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:22:23,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:22:23,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:22:23,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:22:23,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:23,958 INFO L87 Difference]: Start difference. First operand has 3121 states, 2200 states have (on average 1.345) internal successors, (2959), 2245 states have internal predecessors, (2959), 748 states have call successors, (748), 171 states have call predecessors, (748), 171 states have return successors, (748), 740 states have call predecessors, (748), 748 states have call successors, (748) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 23:22:24,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:22:24,822 INFO L93 Difference]: Finished difference Result 6228 states and 8956 transitions. [2022-07-19 23:22:24,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:22:24,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2022-07-19 23:22:24,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:22:24,860 INFO L225 Difference]: With dead ends: 6228 [2022-07-19 23:22:24,860 INFO L226 Difference]: Without dead ends: 3104 [2022-07-19 23:22:24,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:24,887 INFO L413 NwaCegarLoop]: 4444 mSDtfsCounter, 4431 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4431 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:22:24,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4431 Valid, 4446 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:22:24,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2022-07-19 23:22:25,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 3104. [2022-07-19 23:22:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3104 states, 2187 states have (on average 1.3415637860082306) internal successors, (2934), 2229 states have internal predecessors, (2934), 747 states have call successors, (747), 171 states have call predecessors, (747), 169 states have return successors, (742), 734 states have call predecessors, (742), 742 states have call successors, (742) [2022-07-19 23:22:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 4423 transitions. [2022-07-19 23:22:25,174 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 4423 transitions. Word has length 17 [2022-07-19 23:22:25,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:22:25,176 INFO L495 AbstractCegarLoop]: Abstraction has 3104 states and 4423 transitions. [2022-07-19 23:22:25,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 23:22:25,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 4423 transitions. [2022-07-19 23:22:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-19 23:22:25,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:22:25,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:22:25,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-19 23:22:25,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:22:25,396 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:22:25,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:22:25,396 INFO L85 PathProgramCache]: Analyzing trace with hash 847662603, now seen corresponding path program 1 times [2022-07-19 23:22:25,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:22:25,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091159527] [2022-07-19 23:22:25,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:22:25,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:22:25,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:22:25,414 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:22:25,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:22:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:22:28,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 4215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:22:28,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:22:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:22:28,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:22:28,529 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:22:28,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091159527] [2022-07-19 23:22:28,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091159527] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:22:28,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:22:28,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:22:28,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292863917] [2022-07-19 23:22:28,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:22:28,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:22:28,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:22:28,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:22:28,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:28,531 INFO L87 Difference]: Start difference. First operand 3104 states and 4423 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 23:22:29,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:22:29,093 INFO L93 Difference]: Finished difference Result 3390 states and 4822 transitions. [2022-07-19 23:22:29,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:22:29,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-07-19 23:22:29,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:22:29,112 INFO L225 Difference]: With dead ends: 3390 [2022-07-19 23:22:29,112 INFO L226 Difference]: Without dead ends: 3386 [2022-07-19 23:22:29,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:29,117 INFO L413 NwaCegarLoop]: 4578 mSDtfsCounter, 4043 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4043 SdHoareTripleChecker+Valid, 5335 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:22:29,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4043 Valid, 5335 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 23:22:29,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2022-07-19 23:22:29,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3384. [2022-07-19 23:22:29,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3384 states, 2381 states have (on average 1.3460730785384292) internal successors, (3205), 2423 states have internal predecessors, (3205), 807 states have call successors, (807), 197 states have call predecessors, (807), 195 states have return successors, (804), 795 states have call predecessors, (804), 804 states have call successors, (804) [2022-07-19 23:22:29,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 3384 states and 4816 transitions. [2022-07-19 23:22:29,227 INFO L78 Accepts]: Start accepts. Automaton has 3384 states and 4816 transitions. Word has length 18 [2022-07-19 23:22:29,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:22:29,227 INFO L495 AbstractCegarLoop]: Abstraction has 3384 states and 4816 transitions. [2022-07-19 23:22:29,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 23:22:29,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 4816 transitions. [2022-07-19 23:22:29,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-19 23:22:29,228 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:22:29,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:22:29,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:22:29,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:22:29,456 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:22:29,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:22:29,456 INFO L85 PathProgramCache]: Analyzing trace with hash 505415184, now seen corresponding path program 1 times [2022-07-19 23:22:29,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:22:29,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405983182] [2022-07-19 23:22:29,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:22:29,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:22:29,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:22:29,471 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:22:29,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:22:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:22:31,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 4216 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:22:31,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:22:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:22:32,304 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:22:32,304 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:22:32,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405983182] [2022-07-19 23:22:32,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405983182] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:22:32,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:22:32,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:22:32,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495666285] [2022-07-19 23:22:32,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:22:32,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:22:32,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:22:32,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:22:32,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:32,306 INFO L87 Difference]: Start difference. First operand 3384 states and 4816 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 23:22:32,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:22:32,679 INFO L93 Difference]: Finished difference Result 3386 states and 4817 transitions. [2022-07-19 23:22:32,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:22:32,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2022-07-19 23:22:32,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:22:32,744 INFO L225 Difference]: With dead ends: 3386 [2022-07-19 23:22:32,744 INFO L226 Difference]: Without dead ends: 3375 [2022-07-19 23:22:32,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:32,747 INFO L413 NwaCegarLoop]: 4417 mSDtfsCounter, 4401 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4401 SdHoareTripleChecker+Valid, 4419 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:22:32,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4401 Valid, 4419 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 23:22:32,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3375 states. [2022-07-19 23:22:32,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3375 to 3375. [2022-07-19 23:22:32,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3375 states, 2375 states have (on average 1.3448421052631578) internal successors, (3194), 2416 states have internal predecessors, (3194), 804 states have call successors, (804), 196 states have call predecessors, (804), 195 states have return successors, (803), 794 states have call predecessors, (803), 803 states have call successors, (803) [2022-07-19 23:22:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4801 transitions. [2022-07-19 23:22:32,855 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4801 transitions. Word has length 19 [2022-07-19 23:22:32,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:22:32,855 INFO L495 AbstractCegarLoop]: Abstraction has 3375 states and 4801 transitions. [2022-07-19 23:22:32,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 23:22:32,855 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4801 transitions. [2022-07-19 23:22:32,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-19 23:22:32,868 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:22:32,869 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-19 23:22:32,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 23:22:33,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:22:33,082 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:22:33,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:22:33,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1260089886, now seen corresponding path program 1 times [2022-07-19 23:22:33,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:22:33,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665183383] [2022-07-19 23:22:33,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:22:33,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:22:33,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:22:33,108 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:22:33,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 23:22:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:22:35,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 4459 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:22:35,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:22:35,858 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-19 23:22:35,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:22:35,858 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:22:35,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665183383] [2022-07-19 23:22:35,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665183383] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:22:35,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:22:35,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:22:35,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393570698] [2022-07-19 23:22:35,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:22:35,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:22:35,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:22:35,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:22:35,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:22:35,860 INFO L87 Difference]: Start difference. First operand 3375 states and 4801 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:22:36,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:22:36,694 INFO L93 Difference]: Finished difference Result 6745 states and 9674 transitions. [2022-07-19 23:22:36,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 23:22:36,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 78 [2022-07-19 23:22:36,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:22:36,709 INFO L225 Difference]: With dead ends: 6745 [2022-07-19 23:22:36,709 INFO L226 Difference]: Without dead ends: 3379 [2022-07-19 23:22:36,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:22:36,724 INFO L413 NwaCegarLoop]: 4400 mSDtfsCounter, 2 mSDsluCounter, 8780 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13180 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:22:36,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13180 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:22:36,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2022-07-19 23:22:36,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 3379. [2022-07-19 23:22:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3379 states, 2378 states have (on average 1.3448275862068966) internal successors, (3198), 2420 states have internal predecessors, (3198), 804 states have call successors, (804), 196 states have call predecessors, (804), 196 states have return successors, (805), 794 states have call predecessors, (805), 803 states have call successors, (805) [2022-07-19 23:22:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 3379 states and 4807 transitions. [2022-07-19 23:22:36,824 INFO L78 Accepts]: Start accepts. Automaton has 3379 states and 4807 transitions. Word has length 78 [2022-07-19 23:22:36,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:22:36,824 INFO L495 AbstractCegarLoop]: Abstraction has 3379 states and 4807 transitions. [2022-07-19 23:22:36,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:22:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3379 states and 4807 transitions. [2022-07-19 23:22:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-19 23:22:36,835 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:22:36,836 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-19 23:22:36,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 23:22:37,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:22:37,052 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:22:37,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:22:37,053 INFO L85 PathProgramCache]: Analyzing trace with hash 530895906, now seen corresponding path program 1 times [2022-07-19 23:22:37,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:22:37,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657119197] [2022-07-19 23:22:37,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:22:37,057 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:22:37,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:22:37,080 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:22:37,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 23:22:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:22:39,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 4470 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:22:39,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:22:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-19 23:22:40,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:22:41,348 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-19 23:22:41,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:22:41,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657119197] [2022-07-19 23:22:41,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [657119197] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:22:41,349 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 23:22:41,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-19 23:22:41,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936714502] [2022-07-19 23:22:41,349 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 23:22:41,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:22:41,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:22:41,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:22:41,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:22:41,350 INFO L87 Difference]: Start difference. First operand 3379 states and 4807 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-19 23:22:44,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:22:44,821 INFO L93 Difference]: Finished difference Result 6761 states and 9704 transitions. [2022-07-19 23:22:44,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 23:22:44,822 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 79 [2022-07-19 23:22:44,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:22:44,839 INFO L225 Difference]: With dead ends: 6761 [2022-07-19 23:22:44,839 INFO L226 Difference]: Without dead ends: 3391 [2022-07-19 23:22:44,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-19 23:22:44,853 INFO L413 NwaCegarLoop]: 4391 mSDtfsCounter, 18 mSDsluCounter, 13138 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 17529 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:22:44,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 17529 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-19 23:22:44,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2022-07-19 23:22:44,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3389. [2022-07-19 23:22:44,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3389 states, 2387 states have (on average 1.346041055718475) internal successors, (3213), 2429 states have internal predecessors, (3213), 804 states have call successors, (804), 197 states have call predecessors, (804), 197 states have return successors, (805), 794 states have call predecessors, (805), 803 states have call successors, (805) [2022-07-19 23:22:44,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 4822 transitions. [2022-07-19 23:22:44,934 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 4822 transitions. Word has length 79 [2022-07-19 23:22:44,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:22:44,934 INFO L495 AbstractCegarLoop]: Abstraction has 3389 states and 4822 transitions. [2022-07-19 23:22:44,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-19 23:22:44,934 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 4822 transitions. [2022-07-19 23:22:44,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-19 23:22:44,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:22:44,940 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-07-19 23:22:45,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-19 23:22:45,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:22:45,168 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:22:45,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:22:45,168 INFO L85 PathProgramCache]: Analyzing trace with hash -748301538, now seen corresponding path program 2 times [2022-07-19 23:22:45,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:22:45,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083411872] [2022-07-19 23:22:45,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 23:22:45,173 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:22:45,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:22:45,175 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:22:45,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-19 23:22:47,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-19 23:22:47,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 23:22:47,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 4370 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:22:47,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:22:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-19 23:22:48,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:22:48,987 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:22:48,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083411872] [2022-07-19 23:22:48,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083411872] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:22:48,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:22:48,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:22:48,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309487135] [2022-07-19 23:22:48,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:22:48,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:22:48,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:22:48,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:22:48,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:48,988 INFO L87 Difference]: Start difference. First operand 3389 states and 4822 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:22:49,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:22:49,459 INFO L93 Difference]: Finished difference Result 3389 states and 4822 transitions. [2022-07-19 23:22:49,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:22:49,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 82 [2022-07-19 23:22:49,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:22:49,462 INFO L225 Difference]: With dead ends: 3389 [2022-07-19 23:22:49,462 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 23:22:49,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:22:49,471 INFO L413 NwaCegarLoop]: 4698 mSDtfsCounter, 723 mSDsluCounter, 4039 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 8737 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:22:49,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 8737 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 23:22:49,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 23:22:49,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 23:22:49,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:22:49,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 23:22:49,473 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2022-07-19 23:22:49,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:22:49,473 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 23:22:49,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:22:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 23:22:49,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 23:22:49,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 23:22:49,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-19 23:22:49,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:22:49,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.