./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 6c24879c 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-?-6c24879 [2022-07-12 12:17:29,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:17:29,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:17:29,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:17:29,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:17:29,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:17:29,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:17:29,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:17:29,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:17:29,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:17:29,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:17:29,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:17:29,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:17:29,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:17:29,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:17:29,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:17:29,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:17:29,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:17:29,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:17:29,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:17:29,130 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:17:29,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:17:29,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:17:29,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:17:29,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:17:29,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:17:29,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:17:29,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:17:29,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:17:29,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:17:29,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:17:29,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:17:29,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:17:29,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:17:29,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:17:29,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:17:29,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:17:29,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:17:29,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:17:29,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:17:29,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:17:29,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:17:29,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:17:29,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:17:29,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:17:29,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:17:29,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:17:29,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:17:29,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:17:29,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:17:29,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:17:29,186 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:17:29,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:17:29,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:17:29,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:17:29,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:17:29,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:17:29,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:17:29,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:17:29,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:17:29,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:17:29,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:17:29,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:17:29,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:17:29,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:17:29,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:17:29,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:17:29,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:17:29,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:17:29,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:17:29,190 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:17:29,190 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:17:29,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:17:29,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2022-07-12 12:17:29,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:17:29,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:17:29,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:17:29,451 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:17:29,452 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:17:29,453 INFO L432 ainManager$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 [2022-07-12 12:17:29,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c357c94/b6b0b7eaa7fa4e5cb3f7d21114b1c1d4/FLAG491b696fa [2022-07-12 12:17:30,333 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:17:30,334 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 [2022-07-12 12:17:30,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c357c94/b6b0b7eaa7fa4e5cb3f7d21114b1c1d4/FLAG491b696fa [2022-07-12 12:17:30,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c357c94/b6b0b7eaa7fa4e5cb3f7d21114b1c1d4 [2022-07-12 12:17:30,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:17:30,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:17:30,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:17:30,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:17:30,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:17:30,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:17:30" (1/1) ... [2022-07-12 12:17:30,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e6cafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:30, skipping insertion in model container [2022-07-12 12:17:30,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:17:30" (1/1) ... [2022-07-12 12:17:30,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:17:30,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:17:34,782 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] [2022-07-12 12:17:34,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:17:35,032 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:17:35,185 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) [2022-07-12 12:17:35,191 INFO L158 Benchmark]: Toolchain (without parser) took 4649.98ms. Allocated memory was 100.7MB in the beginning and 203.4MB in the end (delta: 102.8MB). Free memory was 60.4MB in the beginning and 89.0MB in the end (delta: -28.5MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2022-07-12 12:17:35,192 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:17:35,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4646.79ms. Allocated memory was 100.7MB in the beginning and 203.4MB in the end (delta: 102.8MB). Free memory was 60.4MB in the beginning and 89.0MB in the end (delta: -28.5MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2022-07-12 12:17:35,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4646.79ms. Allocated memory was 100.7MB in the beginning and 203.4MB in the end (delta: 102.8MB). Free memory was 60.4MB in the beginning and 89.0MB in the end (delta: -28.5MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-6c24879 [2022-07-12 12:17:37,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:17:37,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:17:37,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:17:37,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:17:37,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:17:37,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:17:37,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:17:37,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:17:37,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:17:37,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:17:37,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:17:37,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:17:37,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:17:37,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:17:37,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:17:37,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:17:37,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:17:37,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:17:37,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:17:37,195 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:17:37,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:17:37,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:17:37,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:17:37,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:17:37,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:17:37,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:17:37,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:17:37,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:17:37,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:17:37,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:17:37,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:17:37,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:17:37,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:17:37,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:17:37,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:17:37,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:17:37,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:17:37,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:17:37,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:17:37,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:17:37,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:17:37,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 12:17:37,256 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:17:37,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:17:37,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:17:37,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:17:37,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:17:37,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:17:37,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:17:37,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:17:37,259 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:17:37,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:17:37,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:17:37,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:17:37,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:17:37,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:17:37,261 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 12:17:37,261 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 12:17:37,262 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 12:17:37,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:17:37,262 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:17:37,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:17:37,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:17:37,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:17:37,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:17:37,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:17:37,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:17:37,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:17:37,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:17:37,264 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 12:17:37,264 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 12:17:37,264 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:17:37,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:17:37,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:17:37,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 12:17:37,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2022-07-12 12:17:37,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:17:37,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:17:37,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:17:37,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:17:37,596 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:17:37,598 INFO L432 ainManager$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 [2022-07-12 12:17:37,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff1995ff/0054243ad60b48659bb7442922c56756/FLAG176e85948 [2022-07-12 12:17:38,607 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:17:38,608 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 [2022-07-12 12:17:38,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff1995ff/0054243ad60b48659bb7442922c56756/FLAG176e85948 [2022-07-12 12:17:38,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff1995ff/0054243ad60b48659bb7442922c56756 [2022-07-12 12:17:38,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:17:38,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:17:38,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:17:38,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:17:38,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:17:38,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:17:38" (1/1) ... [2022-07-12 12:17:38,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb7869c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:38, skipping insertion in model container [2022-07-12 12:17:38,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:17:38" (1/1) ... [2022-07-12 12:17:39,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:17:39,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:17:45,710 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] [2022-07-12 12:17:45,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:17:46,026 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 12:17:46,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:17:46,721 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] [2022-07-12 12:17:46,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:17:46,808 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:17:47,433 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] [2022-07-12 12:17:47,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:17:47,815 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:17:47,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:47 WrapperNode [2022-07-12 12:17:47,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:17:47,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:17:47,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:17:47,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:17:47,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:47" (1/1) ... [2022-07-12 12:17:48,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:47" (1/1) ... [2022-07-12 12:17:48,379 INFO L137 Inliner]: procedures = 581, calls = 7123, calls flagged for inlining = 254, calls inlined = 183, statements flattened = 10135 [2022-07-12 12:17:48,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:17:48,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:17:48,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:17:48,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:17:48,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:47" (1/1) ... [2022-07-12 12:17:48,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:47" (1/1) ... [2022-07-12 12:17:48,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:47" (1/1) ... [2022-07-12 12:17:48,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:47" (1/1) ... [2022-07-12 12:17:48,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:47" (1/1) ... [2022-07-12 12:17:48,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:47" (1/1) ... [2022-07-12 12:17:48,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:47" (1/1) ... [2022-07-12 12:17:48,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:17:48,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:17:48,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:17:48,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:17:48,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:47" (1/1) ... [2022-07-12 12:17:48,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:17:48,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:17:48,970 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) [2022-07-12 12:17:48,995 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 [2022-07-12 12:17:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 12:17:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 12:17:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-12 12:17:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-12 12:17:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-12 12:17:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 12:17:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 12:17:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-07-12 12:17:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-07-12 12:17:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-12 12:17:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-12 12:17:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-12 12:17:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-12 12:17:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-07-12 12:17:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-07-12 12:17:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:17:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:17:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-07-12 12:17:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-07-12 12:17:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-07-12 12:17:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-07-12 12:17:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-12 12:17:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-12 12:17:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 12:17:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 12:17:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-07-12 12:17:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-07-12 12:17:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-07-12 12:17:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-07-12 12:17:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 12:17:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 12:17:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-12 12:17:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-12 12:17:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-12 12:17:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-12 12:17:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 12:17:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 12:17:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-12 12:17:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-12 12:17:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 12:17:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 12:17:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-07-12 12:17:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-07-12 12:17:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 12:17:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 12:17:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-12 12:17:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-12 12:17:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-07-12 12:17:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-07-12 12:17:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-07-12 12:17:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-07-12 12:17:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 12:17:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 12:17:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-07-12 12:17:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-07-12 12:17:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 12:17:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 12:17:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 12:17:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-07-12 12:17:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-07-12 12:17:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 12:17:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 12:17:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-12 12:17:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-12 12:17:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:17:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 12:17:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 12:17:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-07-12 12:17:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-07-12 12:17:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-07-12 12:17:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-07-12 12:17:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 12:17:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 12:17:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 12:17:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-07-12 12:17:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-07-12 12:17:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-07-12 12:17:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-07-12 12:17:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-12 12:17:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-12 12:17:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-07-12 12:17:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-07-12 12:17:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-07-12 12:17:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-07-12 12:17:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 12:17:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 12:17:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-07-12 12:17:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-07-12 12:17:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 12:17:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 12:17:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-12 12:17:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-12 12:17:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-12 12:17:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-12 12:17:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 12:17:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 12:17:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 12:17:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 12:17:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-07-12 12:17:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-07-12 12:17:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-07-12 12:17:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-07-12 12:17:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-07-12 12:17:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-07-12 12:17:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-12 12:17:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-12 12:17:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 12:17:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 12:17:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 12:17:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 12:17:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:17:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:17:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 12:17:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 12:17:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-07-12 12:17:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-07-12 12:17:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-07-12 12:17:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-07-12 12:17:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-12 12:17:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-12 12:17:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-12 12:17:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-12 12:17:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-07-12 12:17:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-07-12 12:17:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-07-12 12:17:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-07-12 12:17:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 12:17:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 12:17:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 12:17:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 12:17:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-12 12:17:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-12 12:17:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-07-12 12:17:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-07-12 12:17:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:17:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-07-12 12:17:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-07-12 12:17:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-07-12 12:17:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-07-12 12:17:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-07-12 12:17:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-07-12 12:17:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:17:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 12:17:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 12:17:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 12:17:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 12:17:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:17:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 12:17:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 12:17:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 12:17:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 12:17:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-07-12 12:17:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-07-12 12:17:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-07-12 12:17:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-07-12 12:17:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 12:17:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 12:17:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 12:17:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 12:17:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-07-12 12:17:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-07-12 12:17:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 12:17:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 12:17:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-07-12 12:17:49,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-07-12 12:17:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 12:17:49,085 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 12:17:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-07-12 12:17:49,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-07-12 12:17:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:17:49,085 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:17:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-12 12:17:49,086 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-12 12:17:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-07-12 12:17:49,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-07-12 12:17:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-12 12:17:49,086 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-12 12:17:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 12:17:49,086 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 12:17:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 12:17:49,087 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 12:17:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-07-12 12:17:49,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-07-12 12:17:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 12:17:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:17:49,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:17:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-07-12 12:17:49,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-07-12 12:17:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-12 12:17:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-12 12:17:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-07-12 12:17:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-07-12 12:17:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 12:17:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-07-12 12:17:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-07-12 12:17:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 12:17:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 12:17:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 12:17:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-07-12 12:17:49,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-07-12 12:17:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 12:17:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:17:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 12:17:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:17:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-07-12 12:17:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-07-12 12:17:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-12 12:17:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-12 12:17:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-07-12 12:17:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-07-12 12:17:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-12 12:17:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-12 12:17:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 12:17:49,093 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 12:17:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 12:17:49,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 12:17:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-07-12 12:17:49,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-07-12 12:17:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-12 12:17:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 12:17:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 12:17:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-07-12 12:17:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-07-12 12:17:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-07-12 12:17:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-07-12 12:17:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-07-12 12:17:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-07-12 12:17:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 12:17:49,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 12:17:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:17:49,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:17:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-12 12:17:49,095 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-12 12:17:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 12:17:49,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 12:17:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-12 12:17:49,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-12 12:17:49,096 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-07-12 12:17:49,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-07-12 12:17:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 12:17:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 12:17:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:17:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:17:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-07-12 12:17:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-07-12 12:17:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 12:17:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 12:17:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 12:17:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 12:17:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-12 12:17:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-12 12:17:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-07-12 12:17:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-07-12 12:17:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 12:17:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 12:17:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 12:17:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 12:17:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:17:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 12:17:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 12:17:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-12 12:17:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-12 12:17:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 12:17:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 12:17:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:17:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-07-12 12:17:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-07-12 12:17:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-07-12 12:17:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-07-12 12:17:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-12 12:17:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-12 12:17:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 12:17:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 12:17:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 12:17:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 12:17:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:17:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-07-12 12:17:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-07-12 12:17:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 12:17:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 12:17:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-12 12:17:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-12 12:17:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-07-12 12:17:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-07-12 12:17:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 12:17:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 12:17:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 12:17:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 12:17:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-12 12:17:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-12 12:17:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-07-12 12:17:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-07-12 12:17:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-12 12:17:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-12 12:17:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-07-12 12:17:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-07-12 12:17:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 12:17:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 12:17:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 12:17:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 12:17:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 12:17:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 12:17:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-07-12 12:17:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-07-12 12:17:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-12 12:17:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-12 12:17:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-12 12:17:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-12 12:17:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 12:17:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 12:17:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 12:17:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 12:17:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-12 12:17:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-12 12:17:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-07-12 12:17:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-07-12 12:17:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:17:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:17:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 12:17:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 12:17:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 12:17:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 12:17:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:17:49,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:17:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-07-12 12:17:49,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-07-12 12:17:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 12:17:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 12:17:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 12:17:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 12:17:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-07-12 12:17:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-07-12 12:17:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-07-12 12:17:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-07-12 12:17:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 12:17:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 12:17:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-07-12 12:17:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-07-12 12:17:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 12:17:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 12:17:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-07-12 12:17:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-07-12 12:17:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-07-12 12:17:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-07-12 12:17:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-07-12 12:17:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-07-12 12:17:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-12 12:17:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-12 12:17:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 12:17:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 12:17:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-07-12 12:17:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-07-12 12:17:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-07-12 12:17:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-07-12 12:17:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-12 12:17:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-12 12:17:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-07-12 12:17:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-07-12 12:17:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-07-12 12:17:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-07-12 12:17:49,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 12:17:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 12:17:49,116 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 12:17:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 12:17:49,116 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-07-12 12:17:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-07-12 12:17:49,116 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-07-12 12:17:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-07-12 12:17:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 12:17:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 12:17:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-07-12 12:17:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-07-12 12:17:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-12 12:17:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-12 12:17:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-07-12 12:17:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-07-12 12:17:50,161 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:17:50,173 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:20:08,692 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:20:08,720 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:20:08,720 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 12:20:08,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:20:08 BoogieIcfgContainer [2022-07-12 12:20:08,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:20:08,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:20:08,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:20:08,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:20:08,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:17:38" (1/3) ... [2022-07-12 12:20:08,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f73bcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:20:08, skipping insertion in model container [2022-07-12 12:20:08,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:17:47" (2/3) ... [2022-07-12 12:20:08,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f73bcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:20:08, skipping insertion in model container [2022-07-12 12:20:08,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:20:08" (3/3) ... [2022-07-12 12:20:08,732 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-07-12 12:20:08,746 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:20:08,746 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:20:08,858 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:20:08,865 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@52c30f4b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1de1339 [2022-07-12 12:20:08,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:20:08,880 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) [2022-07-12 12:20:08,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-12 12:20:08,945 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:20:08,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:20:08,946 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:20:08,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:20:08,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1635148979, now seen corresponding path program 1 times [2022-07-12 12:20:08,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:20:08,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337760165] [2022-07-12 12:20:08,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:20:08,976 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:20:08,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:20:08,981 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) [2022-07-12 12:20:08,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 12:20:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:20:11,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 4214 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:20:11,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:20:11,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:20:11,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:20:11,812 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:20:11,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337760165] [2022-07-12 12:20:11,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337760165] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:20:11,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:20:11,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:20:11,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196032158] [2022-07-12 12:20:11,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:20:11,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:20:11,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:20:11,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:20:11,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:20:11,852 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) [2022-07-12 12:20:12,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:20:12,492 INFO L93 Difference]: Finished difference Result 6228 states and 8956 transitions. [2022-07-12 12:20:12,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:20:12,494 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 [2022-07-12 12:20:12,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:20:12,533 INFO L225 Difference]: With dead ends: 6228 [2022-07-12 12:20:12,533 INFO L226 Difference]: Without dead ends: 3104 [2022-07-12 12:20:12,557 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 [2022-07-12 12:20:12,560 INFO L413 NwaCegarLoop]: 4444 mSDtfsCounter, 4431 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 12:20:12,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4431 Valid, 4446 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 12:20:12,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2022-07-12 12:20:12,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 3104. [2022-07-12 12:20:12,752 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) [2022-07-12 12:20:12,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 4423 transitions. [2022-07-12 12:20:12,778 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 4423 transitions. Word has length 17 [2022-07-12 12:20:12,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:20:12,780 INFO L495 AbstractCegarLoop]: Abstraction has 3104 states and 4423 transitions. [2022-07-12 12:20:12,780 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) [2022-07-12 12:20:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 4423 transitions. [2022-07-12 12:20:12,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-12 12:20:12,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:20:12,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:20:12,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 12:20:13,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:20:13,001 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:20:13,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:20:13,002 INFO L85 PathProgramCache]: Analyzing trace with hash 847662603, now seen corresponding path program 1 times [2022-07-12 12:20:13,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:20:13,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868154361] [2022-07-12 12:20:13,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:20:13,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:20:13,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:20:13,010 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) [2022-07-12 12:20:13,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 12:20:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:20:15,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 4215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:20:15,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:20:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:20:15,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:20:15,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:20:15,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868154361] [2022-07-12 12:20:15,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868154361] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:20:15,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:20:15,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:20:15,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123286159] [2022-07-12 12:20:15,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:20:15,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:20:15,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:20:15,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:20:15,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:20:15,801 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) [2022-07-12 12:20:16,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:20:16,375 INFO L93 Difference]: Finished difference Result 3390 states and 4822 transitions. [2022-07-12 12:20:16,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:20:16,375 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 [2022-07-12 12:20:16,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:20:16,399 INFO L225 Difference]: With dead ends: 3390 [2022-07-12 12:20:16,399 INFO L226 Difference]: Without dead ends: 3386 [2022-07-12 12:20:16,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:20:16,405 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 12:20:16,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4043 Valid, 5335 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 12:20:16,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2022-07-12 12:20:16,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3384. [2022-07-12 12:20:16,538 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) [2022-07-12 12:20:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 3384 states and 4816 transitions. [2022-07-12 12:20:16,567 INFO L78 Accepts]: Start accepts. Automaton has 3384 states and 4816 transitions. Word has length 18 [2022-07-12 12:20:16,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:20:16,568 INFO L495 AbstractCegarLoop]: Abstraction has 3384 states and 4816 transitions. [2022-07-12 12:20:16,568 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) [2022-07-12 12:20:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 4816 transitions. [2022-07-12 12:20:16,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-12 12:20:16,569 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:20:16,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:20:16,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 12:20:16,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:20:16,792 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:20:16,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:20:16,792 INFO L85 PathProgramCache]: Analyzing trace with hash 505415184, now seen corresponding path program 1 times [2022-07-12 12:20:16,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:20:16,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861610623] [2022-07-12 12:20:16,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:20:16,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:20:16,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:20:16,800 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) [2022-07-12 12:20:16,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 12:20:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:20:19,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 4216 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:20:19,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:20:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:20:19,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:20:19,506 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:20:19,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861610623] [2022-07-12 12:20:19,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861610623] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:20:19,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:20:19,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:20:19,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834283693] [2022-07-12 12:20:19,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:20:19,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:20:19,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:20:19,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:20:19,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:20:19,508 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) [2022-07-12 12:20:19,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:20:19,895 INFO L93 Difference]: Finished difference Result 3386 states and 4817 transitions. [2022-07-12 12:20:19,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:20:19,954 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 [2022-07-12 12:20:19,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:20:19,973 INFO L225 Difference]: With dead ends: 3386 [2022-07-12 12:20:19,974 INFO L226 Difference]: Without dead ends: 3375 [2022-07-12 12:20:19,976 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 [2022-07-12 12:20:19,977 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 [2022-07-12 12:20:19,978 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] [2022-07-12 12:20:19,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3375 states. [2022-07-12 12:20:20,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3375 to 3375. [2022-07-12 12:20:20,083 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) [2022-07-12 12:20:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4801 transitions. [2022-07-12 12:20:20,106 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4801 transitions. Word has length 19 [2022-07-12 12:20:20,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:20:20,106 INFO L495 AbstractCegarLoop]: Abstraction has 3375 states and 4801 transitions. [2022-07-12 12:20:20,106 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) [2022-07-12 12:20:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4801 transitions. [2022-07-12 12:20:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-12 12:20:20,115 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:20:20,115 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] [2022-07-12 12:20:20,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 12:20:20,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:20:20,335 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:20:20,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:20:20,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1260089886, now seen corresponding path program 1 times [2022-07-12 12:20:20,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:20:20,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744416965] [2022-07-12 12:20:20,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:20:20,342 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:20:20,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:20:20,344 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) [2022-07-12 12:20:20,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 12:20:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:20:22,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 4459 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 12:20:22,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:20:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-12 12:20:23,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:20:23,026 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:20:23,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744416965] [2022-07-12 12:20:23,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1744416965] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:20:23,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:20:23,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:20:23,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798064781] [2022-07-12 12:20:23,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:20:23,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:20:23,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:20:23,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:20:23,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:20:23,029 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) [2022-07-12 12:20:23,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:20:23,840 INFO L93 Difference]: Finished difference Result 6745 states and 9674 transitions. [2022-07-12 12:20:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 12:20:23,842 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 [2022-07-12 12:20:23,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:20:23,866 INFO L225 Difference]: With dead ends: 6745 [2022-07-12 12:20:23,867 INFO L226 Difference]: Without dead ends: 3379 [2022-07-12 12:20:23,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:20:23,889 INFO L413 NwaCegarLoop]: 4400 mSDtfsCounter, 2 mSDsluCounter, 8780 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:20:23,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13180 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 12:20:23,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2022-07-12 12:20:24,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 3379. [2022-07-12 12:20:24,025 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) [2022-07-12 12:20:24,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 3379 states and 4807 transitions. [2022-07-12 12:20:24,052 INFO L78 Accepts]: Start accepts. Automaton has 3379 states and 4807 transitions. Word has length 78 [2022-07-12 12:20:24,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:20:24,053 INFO L495 AbstractCegarLoop]: Abstraction has 3379 states and 4807 transitions. [2022-07-12 12:20:24,054 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) [2022-07-12 12:20:24,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3379 states and 4807 transitions. [2022-07-12 12:20:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-12 12:20:24,059 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:20:24,060 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] [2022-07-12 12:20:24,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 12:20:24,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:20:24,276 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:20:24,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:20:24,276 INFO L85 PathProgramCache]: Analyzing trace with hash 530895906, now seen corresponding path program 1 times [2022-07-12 12:20:24,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:20:24,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3330395] [2022-07-12 12:20:24,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:20:24,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:20:24,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:20:24,284 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) [2022-07-12 12:20:24,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 12:20:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:20:27,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 4470 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:20:27,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:20:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-12 12:20:27,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:20:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-12 12:20:28,420 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:20:28,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3330395] [2022-07-12 12:20:28,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [3330395] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 12:20:28,420 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 12:20:28,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-12 12:20:28,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929995186] [2022-07-12 12:20:28,421 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 12:20:28,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 12:20:28,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:20:28,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 12:20:28,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:20:28,423 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) [2022-07-12 12:20:31,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:20:31,813 INFO L93 Difference]: Finished difference Result 6761 states and 9704 transitions. [2022-07-12 12:20:31,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 12:20:31,814 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 [2022-07-12 12:20:31,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:20:31,838 INFO L225 Difference]: With dead ends: 6761 [2022-07-12 12:20:31,838 INFO L226 Difference]: Without dead ends: 3391 [2022-07-12 12:20:31,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-12 12:20:31,859 INFO L413 NwaCegarLoop]: 4391 mSDtfsCounter, 18 mSDsluCounter, 13138 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:20:31,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 17529 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-12 12:20:31,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2022-07-12 12:20:31,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3389. [2022-07-12 12:20:31,984 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) [2022-07-12 12:20:32,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 4822 transitions. [2022-07-12 12:20:32,004 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 4822 transitions. Word has length 79 [2022-07-12 12:20:32,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:20:32,006 INFO L495 AbstractCegarLoop]: Abstraction has 3389 states and 4822 transitions. [2022-07-12 12:20:32,006 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) [2022-07-12 12:20:32,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 4822 transitions. [2022-07-12 12:20:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-12 12:20:32,012 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:20:32,013 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] [2022-07-12 12:20:32,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 12:20:32,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:20:32,236 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:20:32,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:20:32,236 INFO L85 PathProgramCache]: Analyzing trace with hash -748301538, now seen corresponding path program 2 times [2022-07-12 12:20:32,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:20:32,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499185545] [2022-07-12 12:20:32,243 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 12:20:32,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:20:32,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:20:32,263 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) [2022-07-12 12:20:32,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 12:20:35,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 12:20:35,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 12:20:35,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 4370 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:20:35,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:20:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-12 12:20:36,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:20:36,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:20:36,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499185545] [2022-07-12 12:20:36,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499185545] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:20:36,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:20:36,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:20:36,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224640085] [2022-07-12 12:20:36,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:20:36,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:20:36,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:20:36,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:20:36,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:20:36,440 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) [2022-07-12 12:20:36,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:20:36,998 INFO L93 Difference]: Finished difference Result 3389 states and 4822 transitions. [2022-07-12 12:20:36,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:20:36,999 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 [2022-07-12 12:20:37,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:20:37,000 INFO L225 Difference]: With dead ends: 3389 [2022-07-12 12:20:37,000 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 12:20:37,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:20:37,014 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:20:37,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 8737 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 12:20:37,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 12:20:37,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 12:20:37,016 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) [2022-07-12 12:20:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 12:20:37,017 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2022-07-12 12:20:37,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:20:37,018 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 12:20:37,018 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) [2022-07-12 12:20:37,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 12:20:37,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 12:20:37,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 12:20:37,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-12 12:20:37,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:20:37,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.