./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:08:13,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:08:13,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:08:13,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:08:13,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:08:13,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:08:13,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:08:13,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:08:13,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:08:13,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:08:13,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:08:13,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:08:13,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:08:13,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:08:13,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:08:13,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:08:13,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:08:13,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:08:13,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:08:13,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:08:13,227 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:08:13,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:08:13,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:08:13,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:08:13,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:08:13,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:08:13,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:08:13,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:08:13,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:08:13,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:08:13,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:08:13,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:08:13,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:08:13,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:08:13,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:08:13,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:08:13,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:08:13,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:08:13,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:08:13,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:08:13,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:08:13,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:08:13,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:08:13,281 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:08:13,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:08:13,282 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:08:13,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:08:13,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:08:13,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:08:13,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:08:13,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:08:13,284 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:08:13,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:08:13,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:08:13,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:08:13,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:08:13,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:08:13,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:08:13,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:08:13,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:08:13,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:08:13,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:08:13,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:08:13,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:08:13,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:08:13,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:08:13,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:08:13,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:08:13,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:08:13,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:08:13,289 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:08:13,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:08:13,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:08:13,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2022-07-14 02:08:13,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:08:13,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:08:13,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:08:13,577 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:08:13,577 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:08:13,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2022-07-14 02:08:13,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d7caa4e/42621c999fc64df580e2cc645f757af5/FLAG9cc0fc182 [2022-07-14 02:08:14,600 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:08:14,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2022-07-14 02:08:14,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d7caa4e/42621c999fc64df580e2cc645f757af5/FLAG9cc0fc182 [2022-07-14 02:08:14,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d7caa4e/42621c999fc64df580e2cc645f757af5 [2022-07-14 02:08:14,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:08:14,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:08:14,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:08:14,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:08:14,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:08:14,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:08:14" (1/1) ... [2022-07-14 02:08:14,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b73167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:14, skipping insertion in model container [2022-07-14 02:08:14,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:08:14" (1/1) ... [2022-07-14 02:08:14,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:08:15,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:08:19,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i[478905,478918] [2022-07-14 02:08:19,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:08:19,306 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:08:19,808 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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) [2022-07-14 02:08:19,814 INFO L158 Benchmark]: Toolchain (without parser) took 4834.29ms. Allocated memory was 98.6MB in the beginning and 209.7MB in the end (delta: 111.1MB). Free memory was 65.5MB in the beginning and 97.6MB in the end (delta: -32.1MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. [2022-07-14 02:08:19,815 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 02:08:19,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4832.42ms. Allocated memory was 98.6MB in the beginning and 209.7MB in the end (delta: 111.1MB). Free memory was 65.2MB in the beginning and 97.6MB in the end (delta: -32.5MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. [2022-07-14 02:08:19,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4832.42ms. Allocated memory was 98.6MB in the beginning and 209.7MB in the end (delta: 111.1MB). Free memory was 65.2MB in the beginning and 97.6MB in the end (delta: -32.5MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:08:21,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:08:21,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:08:21,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:08:21,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:08:21,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:08:21,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:08:21,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:08:21,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:08:21,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:08:21,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:08:21,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:08:21,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:08:21,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:08:21,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:08:21,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:08:21,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:08:21,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:08:21,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:08:21,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:08:21,727 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:08:21,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:08:21,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:08:21,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:08:21,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:08:21,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:08:21,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:08:21,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:08:21,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:08:21,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:08:21,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:08:21,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:08:21,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:08:21,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:08:21,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:08:21,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:08:21,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:08:21,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:08:21,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:08:21,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:08:21,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:08:21,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:08:21,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 02:08:21,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:08:21,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:08:21,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:08:21,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:08:21,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:08:21,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:08:21,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:08:21,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:08:21,782 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:08:21,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:08:21,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:08:21,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:08:21,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:08:21,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:08:21,784 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 02:08:21,784 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 02:08:21,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 02:08:21,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:08:21,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:08:21,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:08:21,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:08:21,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:08:21,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:08:21,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:08:21,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:08:21,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:08:21,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:08:21,787 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 02:08:21,787 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 02:08:21,787 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:08:21,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:08:21,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:08:21,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 02:08:21,788 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2022-07-14 02:08:22,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:08:22,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:08:22,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:08:22,123 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:08:22,124 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:08:22,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2022-07-14 02:08:22,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252507438/5cbc1bedc2384d849561c2f954928a14/FLAG88a419b8b [2022-07-14 02:08:23,168 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:08:23,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2022-07-14 02:08:23,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252507438/5cbc1bedc2384d849561c2f954928a14/FLAG88a419b8b [2022-07-14 02:08:23,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252507438/5cbc1bedc2384d849561c2f954928a14 [2022-07-14 02:08:23,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:08:23,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:08:23,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:08:23,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:08:23,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:08:23,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:08:23" (1/1) ... [2022-07-14 02:08:23,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476644e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:23, skipping insertion in model container [2022-07-14 02:08:23,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:08:23" (1/1) ... [2022-07-14 02:08:23,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:08:23,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:08:27,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i[478905,478918] [2022-07-14 02:08:28,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:08:28,086 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 02:08:28,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:08:28,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i[478905,478918] [2022-07-14 02:08:28,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:08:28,640 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:08:29,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i[478905,478918] [2022-07-14 02:08:29,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:08:29,439 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:08:29,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:29 WrapperNode [2022-07-14 02:08:29,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:08:29,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:08:29,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:08:29,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:08:29,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:29" (1/1) ... [2022-07-14 02:08:29,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:29" (1/1) ... [2022-07-14 02:08:29,856 INFO L137 Inliner]: procedures = 445, calls = 3990, calls flagged for inlining = 188, calls inlined = 182, statements flattened = 9812 [2022-07-14 02:08:29,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:08:29,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:08:29,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:08:29,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:08:29,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:29" (1/1) ... [2022-07-14 02:08:29,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:29" (1/1) ... [2022-07-14 02:08:29,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:29" (1/1) ... [2022-07-14 02:08:29,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:29" (1/1) ... [2022-07-14 02:08:30,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:29" (1/1) ... [2022-07-14 02:08:30,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:29" (1/1) ... [2022-07-14 02:08:30,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:29" (1/1) ... [2022-07-14 02:08:30,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:08:30,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:08:30,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:08:30,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:08:30,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:29" (1/1) ... [2022-07-14 02:08:30,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:08:30,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:08:30,305 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) [2022-07-14 02:08:30,333 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 [2022-07-14 02:08:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 02:08:30,345 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 02:08:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_put_rq_buf [2022-07-14 02:08:30,345 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_put_rq_buf [2022-07-14 02:08:30,345 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-14 02:08:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-14 02:08:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-14 02:08:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_unsol_pdu_adjust_rq [2022-07-14 02:08:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_unsol_pdu_adjust_rq [2022-07-14 02:08:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2022-07-14 02:08:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2022-07-14 02:08:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:08:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:08:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 02:08:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 02:08:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_active_list_del [2022-07-14 02:08:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_active_list_del [2022-07-14 02:08:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:08:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:08:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-14 02:08:30,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-14 02:08:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-14 02:08:30,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-14 02:08:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_create [2022-07-14 02:08:30,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_create [2022-07-14 02:08:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_destroy [2022-07-14 02:08:30,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_destroy [2022-07-14 02:08:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 02:08:30,349 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 02:08:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_get_param [2022-07-14 02:08:30,349 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_get_param [2022-07-14 02:08:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_recover_target [2022-07-14 02:08:30,349 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_recover_target [2022-07-14 02:08:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:08:30,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:08:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_task_xmit [2022-07-14 02:08:30,350 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_task_xmit [2022-07-14 02:08:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_adapter_ready [2022-07-14 02:08:30,350 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_adapter_ready [2022-07-14 02:08:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_get_param [2022-07-14 02:08:30,350 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_get_param [2022-07-14 02:08:30,351 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_stats [2022-07-14 02:08:30,351 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_stats [2022-07-14 02:08:30,351 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_nl_mesg [2022-07-14 02:08:30,351 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_nl_mesg [2022-07-14 02:08:30,351 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_queuecommand [2022-07-14 02:08:30,351 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_queuecommand [2022-07-14 02:08:30,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:08:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:08:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_iscsi_nopout [2022-07-14 02:08:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_iscsi_nopout [2022-07-14 02:08:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_get_param [2022-07-14 02:08:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_get_param [2022-07-14 02:08:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_tear_down_conn [2022-07-14 02:08:30,352 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_tear_down_conn [2022-07-14 02:08:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:08:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_link_state [2022-07-14 02:08:30,353 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_link_state [2022-07-14 02:08:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 02:08:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 02:08:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2022-07-14 02:08:30,353 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2022-07-14 02:08:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 02:08:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 02:08:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_stop [2022-07-14 02:08:30,354 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_stop [2022-07-14 02:08:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-14 02:08:30,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-14 02:08:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-07-14 02:08:30,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-07-14 02:08:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 02:08:30,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 02:08:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-14 02:08:30,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-14 02:08:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-14 02:08:30,355 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-14 02:08:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_send_pdu [2022-07-14 02:08:30,356 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_send_pdu [2022-07-14 02:08:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ring_dbell_update_sq_params [2022-07-14 02:08:30,356 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ring_dbell_update_sq_params [2022-07-14 02:08:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2022-07-14 02:08:30,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2022-07-14 02:08:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 02:08:30,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 02:08:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_iscsi_unmap_sg_list [2022-07-14 02:08:30,357 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_iscsi_unmap_sg_list [2022-07-14 02:08:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-14 02:08:30,357 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-14 02:08:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_release_free_cid_que [2022-07-14 02:08:30,357 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_release_free_cid_que [2022-07-14 02:08:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:08:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:08:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:08:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:08:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_set_param [2022-07-14 02:08:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_set_param [2022-07-14 02:08:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-14 02:08:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-14 02:08:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-14 02:08:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-14 02:08:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 02:08:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 02:08:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_qp_resc [2022-07-14 02:08:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_qp_resc [2022-07-14 02:08:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_destroy [2022-07-14 02:08:30,360 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_destroy [2022-07-14 02:08:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_dev_to_hba [2022-07-14 02:08:30,360 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_dev_to_hba [2022-07-14 02:08:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_connect [2022-07-14 02:08:30,360 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_connect [2022-07-14 02:08:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 02:08:30,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 02:08:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_task_has_unsol_data [2022-07-14 02:08:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_task_has_unsol_data [2022-07-14 02:08:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:08:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-14 02:08:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-14 02:08:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_cid_num [2022-07-14 02:08:30,361 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_cid_num [2022-07-14 02:08:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_hw_ep_disconnect [2022-07-14 02:08:30,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_hw_ep_disconnect [2022-07-14 02:08:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2022-07-14 02:08:30,362 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2022-07-14 02:08:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:08:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_create [2022-07-14 02:08:30,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_create [2022-07-14 02:08:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_ofld_list_del [2022-07-14 02:08:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_ofld_list_del [2022-07-14 02:08:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:08:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2022-07-14 02:08:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2022-07-14 02:08:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 02:08:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_host_get_param [2022-07-14 02:08:30,363 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_host_get_param [2022-07-14 02:08:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 02:08:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 02:08:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 02:08:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-14 02:08:30,364 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-14 02:08:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_setup_cmd_wqe_template [2022-07-14 02:08:30,364 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_setup_cmd_wqe_template [2022-07-14 02:08:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2022-07-14 02:08:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2022-07-14 02:08:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_cleanup_task [2022-07-14 02:08:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_cleanup_task [2022-07-14 02:08:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_nl_set_path [2022-07-14 02:08:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_nl_set_path [2022-07-14 02:08:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_chip_cleanup [2022-07-14 02:08:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_chip_cleanup [2022-07-14 02:08:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_poll [2022-07-14 02:08:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_poll [2022-07-14 02:08:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_arm_cq_event_coalescing [2022-07-14 02:08:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_arm_cq_event_coalescing [2022-07-14 02:08:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 02:08:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 02:08:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 02:08:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 02:08:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-07-14 02:08:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-07-14 02:08:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-14 02:08:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-14 02:08:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 02:08:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure flush_signals [2022-07-14 02:08:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_signals [2022-07-14 02:08:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-14 02:08:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-14 02:08:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 02:08:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 02:08:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:08:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:08:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-14 02:08:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-14 02:08:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 02:08:30,369 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 02:08:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 02:08:30,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 02:08:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 02:08:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-14 02:08:30,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-14 02:08:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 02:08:30,370 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 02:08:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 02:08:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-14 02:08:30,370 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-14 02:08:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-14 02:08:30,370 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-14 02:08:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 02:08:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:08:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 02:08:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:08:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_recovery_que_add_conn [2022-07-14 02:08:30,371 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_recovery_que_add_conn [2022-07-14 02:08:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:08:30,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:08:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 02:08:30,372 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 02:08:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_attr_is_visible [2022-07-14 02:08:30,372 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_attr_is_visible [2022-07-14 02:08:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-14 02:08:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-14 02:08:30,372 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-14 02:08:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-07-14 02:08:30,372 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-07-14 02:08:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_scsi_cmd_resp [2022-07-14 02:08:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_scsi_cmd_resp [2022-07-14 02:08:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_destroy_cmd_pool [2022-07-14 02:08:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_destroy_cmd_pool [2022-07-14 02:08:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-14 02:08:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-14 02:08:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 02:08:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 02:08:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 02:08:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 02:08:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2022-07-14 02:08:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2022-07-14 02:08:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 02:08:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 02:08:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:08:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:08:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_device_reset [2022-07-14 02:08:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_device_reset [2022-07-14 02:08:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 02:08:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 02:08:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_get_stats [2022-07-14 02:08:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_get_stats [2022-07-14 02:08:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-14 02:08:30,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-14 02:08:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2022-07-14 02:08:30,376 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2022-07-14 02:08:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2022-07-14 02:08:30,376 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2022-07-14 02:08:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:08:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 02:08:30,377 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 02:08:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:08:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-14 02:08:30,377 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-14 02:08:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 02:08:30,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 02:08:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_itt_to_task [2022-07-14 02:08:30,377 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_itt_to_task [2022-07-14 02:08:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-07-14 02:08:30,378 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-07-14 02:08:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_write_cmd_bd_idx [2022-07-14 02:08:30,378 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_write_cmd_bd_idx [2022-07-14 02:08:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2022-07-14 02:08:30,378 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2022-07-14 02:08:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 02:08:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 02:08:30,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 02:08:30,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 02:08:30,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:08:30,379 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_bind [2022-07-14 02:08:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_bind [2022-07-14 02:08:30,379 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 02:08:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 02:08:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 02:08:30,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 02:08:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_new_cqes [2022-07-14 02:08:30,380 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_new_cqes [2022-07-14 02:08:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 02:08:30,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 02:08:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 02:08:30,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 02:08:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_ep [2022-07-14 02:08:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_ep [2022-07-14 02:08:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_start [2022-07-14 02:08:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_start [2022-07-14 02:08:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_find_hba_for_cnic [2022-07-14 02:08:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_find_hba_for_cnic [2022-07-14 02:08:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 02:08:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 02:08:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_hba [2022-07-14 02:08:30,382 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_hba [2022-07-14 02:08:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2022-07-14 02:08:30,382 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2022-07-14 02:08:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_mp_bdt [2022-07-14 02:08:30,382 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_mp_bdt [2022-07-14 02:08:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 02:08:30,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 02:08:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 02:08:30,383 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 02:08:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_destroy [2022-07-14 02:08:30,383 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_destroy [2022-07-14 02:08:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 02:08:30,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 02:08:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 02:08:30,384 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 02:08:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_rq_buf [2022-07-14 02:08:30,384 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_rq_buf [2022-07-14 02:08:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 02:08:30,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 02:08:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-07-14 02:08:30,384 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-07-14 02:08:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 02:08:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 02:08:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 02:08:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 02:08:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:08:30,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:08:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-07-14 02:08:30,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-07-14 02:08:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 02:08:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 02:08:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 02:08:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 02:08:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_abort [2022-07-14 02:08:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_abort [2022-07-14 02:08:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 02:08:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 02:08:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-14 02:08:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-14 02:08:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-07-14 02:08:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-07-14 02:08:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-14 02:08:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-14 02:08:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 02:08:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 02:08:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2022-07-14 02:08:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2022-07-14 02:08:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_create [2022-07-14 02:08:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_create [2022-07-14 02:08:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2022-07-14 02:08:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2022-07-14 02:08:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_fw_iscsi_init_msg [2022-07-14 02:08:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_fw_iscsi_init_msg [2022-07-14 02:08:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 02:08:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 02:08:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 02:08:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 02:08:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 02:08:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 02:08:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-14 02:08:30,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-14 02:08:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_conn_from_id [2022-07-14 02:08:30,390 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_conn_from_id [2022-07-14 02:08:31,543 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:08:31,546 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:08:32,291 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:11:05,918 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:11:05,937 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:11:05,937 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 02:11:05,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:11:05 BoogieIcfgContainer [2022-07-14 02:11:05,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:11:05,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:11:05,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:11:05,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:11:05,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:08:23" (1/3) ... [2022-07-14 02:11:05,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205b6bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:11:05, skipping insertion in model container [2022-07-14 02:11:05,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:08:29" (2/3) ... [2022-07-14 02:11:05,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205b6bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:11:05, skipping insertion in model container [2022-07-14 02:11:05,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:11:05" (3/3) ... [2022-07-14 02:11:05,949 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2022-07-14 02:11:05,961 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:11:05,961 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:11:06,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:11:06,070 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@3e919d93, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4b7fced1 [2022-07-14 02:11:06,070 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:11:06,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 3170 states, 2215 states have (on average 1.3611738148984198) internal successors, (3015), 2279 states have internal predecessors, (3015), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (795), 784 states have call predecessors, (795), 795 states have call successors, (795) [2022-07-14 02:11:06,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-14 02:11:06,150 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:11:06,167 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:11:06,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:11:06,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:11:06,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1847489212, now seen corresponding path program 1 times [2022-07-14 02:11:06,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:11:06,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101488775] [2022-07-14 02:11:06,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:11:06,192 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:11:06,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:11:06,194 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) [2022-07-14 02:11:06,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 02:11:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:11:08,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 02:11:08,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:11:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-07-14 02:11:08,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:11:08,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:11:08,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101488775] [2022-07-14 02:11:08,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101488775] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:11:08,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:11:08,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 02:11:08,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915528032] [2022-07-14 02:11:08,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:11:08,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 02:11:08,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:11:08,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 02:11:08,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 02:11:08,241 INFO L87 Difference]: Start difference. First operand has 3170 states, 2215 states have (on average 1.3611738148984198) internal successors, (3015), 2279 states have internal predecessors, (3015), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (795), 784 states have call predecessors, (795), 795 states have call successors, (795) Second operand has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 02:11:08,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:11:08,460 INFO L93 Difference]: Finished difference Result 6335 states and 9375 transitions. [2022-07-14 02:11:08,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 02:11:08,462 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 341 [2022-07-14 02:11:08,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:11:08,497 INFO L225 Difference]: With dead ends: 6335 [2022-07-14 02:11:08,498 INFO L226 Difference]: Without dead ends: 3124 [2022-07-14 02:11:08,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 02:11:08,527 INFO L413 NwaCegarLoop]: 4608 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4608 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:11:08,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4608 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 02:11:08,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3124 states. [2022-07-14 02:11:08,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3124 to 3124. [2022-07-14 02:11:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3124 states, 2192 states have (on average 1.3567518248175183) internal successors, (2974), 2243 states have internal predecessors, (2974), 782 states have call successors, (782), 150 states have call predecessors, (782), 149 states have return successors, (781), 771 states have call predecessors, (781), 781 states have call successors, (781) [2022-07-14 02:11:08,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 4537 transitions. [2022-07-14 02:11:08,753 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 4537 transitions. Word has length 341 [2022-07-14 02:11:08,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:11:08,756 INFO L495 AbstractCegarLoop]: Abstraction has 3124 states and 4537 transitions. [2022-07-14 02:11:08,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 02:11:08,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 4537 transitions. [2022-07-14 02:11:08,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-14 02:11:08,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:11:08,773 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:11:08,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 02:11:08,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:11:08,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:11:08,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:11:08,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1805602088, now seen corresponding path program 1 times [2022-07-14 02:11:08,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:11:08,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [150860489] [2022-07-14 02:11:08,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:11:08,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:11:08,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:11:08,993 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) [2022-07-14 02:11:08,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 02:11:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:11:11,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 02:11:11,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:11:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-07-14 02:11:11,872 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:11:11,872 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:11:11,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [150860489] [2022-07-14 02:11:11,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [150860489] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:11:11,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:11:11,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:11:11,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272760031] [2022-07-14 02:11:11,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:11:11,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:11:11,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:11:11,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:11:11,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:11:11,875 INFO L87 Difference]: Start difference. First operand 3124 states and 4537 transitions. Second operand has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 02:11:17,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:11:17,242 INFO L93 Difference]: Finished difference Result 6246 states and 9152 transitions. [2022-07-14 02:11:17,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 02:11:17,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 341 [2022-07-14 02:11:17,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:11:17,263 INFO L225 Difference]: With dead ends: 6246 [2022-07-14 02:11:17,264 INFO L226 Difference]: Without dead ends: 3127 [2022-07-14 02:11:17,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:11:17,283 INFO L413 NwaCegarLoop]: 4502 mSDtfsCounter, 6 mSDsluCounter, 17919 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 22421 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:11:17,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22421 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-14 02:11:17,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2022-07-14 02:11:17,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 3127. [2022-07-14 02:11:17,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3127 states, 2194 states have (on average 1.3568824065633547) internal successors, (2977), 2246 states have internal predecessors, (2977), 782 states have call successors, (782), 150 states have call predecessors, (782), 150 states have return successors, (786), 771 states have call predecessors, (786), 781 states have call successors, (786) [2022-07-14 02:11:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 3127 states and 4545 transitions. [2022-07-14 02:11:17,400 INFO L78 Accepts]: Start accepts. Automaton has 3127 states and 4545 transitions. Word has length 341 [2022-07-14 02:11:17,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:11:17,400 INFO L495 AbstractCegarLoop]: Abstraction has 3127 states and 4545 transitions. [2022-07-14 02:11:17,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 02:11:17,401 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 4545 transitions. [2022-07-14 02:11:17,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-14 02:11:17,414 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:11:17,415 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:11:17,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 02:11:17,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:11:17,640 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:11:17,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:11:17,642 INFO L85 PathProgramCache]: Analyzing trace with hash -250495296, now seen corresponding path program 1 times [2022-07-14 02:11:17,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:11:17,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283840232] [2022-07-14 02:11:17,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:11:17,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:11:17,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:11:17,646 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) [2022-07-14 02:11:17,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 02:11:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:11:19,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 02:11:19,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:11:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 284 proven. 1 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2022-07-14 02:11:20,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:11:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 2 proven. 51 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2022-07-14 02:11:23,491 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:11:23,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283840232] [2022-07-14 02:11:23,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283840232] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 02:11:23,491 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 02:11:23,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 02:11:23,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143076002] [2022-07-14 02:11:23,492 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 02:11:23,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 02:11:23,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:11:23,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 02:11:23,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 02:11:23,494 INFO L87 Difference]: Start difference. First operand 3127 states and 4545 transitions. Second operand has 11 states, 9 states have (on average 20.22222222222222) internal successors, (182), 11 states have internal predecessors, (182), 4 states have call successors, (69), 2 states have call predecessors, (69), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-14 02:11:33,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:11:33,472 INFO L93 Difference]: Finished difference Result 6257 states and 9174 transitions. [2022-07-14 02:11:33,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 02:11:33,473 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 20.22222222222222) internal successors, (182), 11 states have internal predecessors, (182), 4 states have call successors, (69), 2 states have call predecessors, (69), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) Word has length 365 [2022-07-14 02:11:33,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:11:33,498 INFO L225 Difference]: With dead ends: 6257 [2022-07-14 02:11:33,498 INFO L226 Difference]: Without dead ends: 3135 [2022-07-14 02:11:33,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-14 02:11:33,520 INFO L413 NwaCegarLoop]: 4504 mSDtfsCounter, 12 mSDsluCounter, 31344 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 35848 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:11:33,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 35848 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-07-14 02:11:33,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2022-07-14 02:11:33,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 3133. [2022-07-14 02:11:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3133 states, 2198 states have (on average 1.356687898089172) internal successors, (2982), 2250 states have internal predecessors, (2982), 783 states have call successors, (783), 151 states have call predecessors, (783), 151 states have return successors, (787), 772 states have call predecessors, (787), 782 states have call successors, (787) [2022-07-14 02:11:33,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 4552 transitions. [2022-07-14 02:11:33,629 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 4552 transitions. Word has length 365 [2022-07-14 02:11:33,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:11:33,630 INFO L495 AbstractCegarLoop]: Abstraction has 3133 states and 4552 transitions. [2022-07-14 02:11:33,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 20.22222222222222) internal successors, (182), 11 states have internal predecessors, (182), 4 states have call successors, (69), 2 states have call predecessors, (69), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-14 02:11:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 4552 transitions. [2022-07-14 02:11:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-07-14 02:11:33,712 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:11:33,712 INFO L195 NwaCegarLoop]: trace histogram [12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:11:33,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 02:11:33,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:11:33,928 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:11:33,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:11:33,932 INFO L85 PathProgramCache]: Analyzing trace with hash 128570920, now seen corresponding path program 1 times [2022-07-14 02:11:33,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:11:33,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429232045] [2022-07-14 02:11:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:11:33,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:11:33,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:11:33,937 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) [2022-07-14 02:11:33,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 02:11:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:11:35,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 2282 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 02:11:35,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:11:36,896 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 309 proven. 3 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2022-07-14 02:11:36,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:11:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2022-07-14 02:11:40,735 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:11:40,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429232045] [2022-07-14 02:11:40,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429232045] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 02:11:40,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 02:11:40,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-14 02:11:40,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345005568] [2022-07-14 02:11:40,736 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 02:11:40,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 02:11:40,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:11:40,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 02:11:40,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-14 02:11:40,738 INFO L87 Difference]: Start difference. First operand 3133 states and 4552 transitions. Second operand has 13 states, 11 states have (on average 15.272727272727273) internal successors, (168), 13 states have internal predecessors, (168), 4 states have call successors, (63), 2 states have call predecessors, (63), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2022-07-14 02:11:49,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:11:49,609 INFO L93 Difference]: Finished difference Result 6275 states and 9202 transitions. [2022-07-14 02:11:49,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 02:11:49,609 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 15.272727272727273) internal successors, (168), 13 states have internal predecessors, (168), 4 states have call successors, (63), 2 states have call predecessors, (63), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) Word has length 353 [2022-07-14 02:11:49,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:11:49,630 INFO L225 Difference]: With dead ends: 6275 [2022-07-14 02:11:49,630 INFO L226 Difference]: Without dead ends: 3147 [2022-07-14 02:11:49,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-14 02:11:49,648 INFO L413 NwaCegarLoop]: 4507 mSDtfsCounter, 30 mSDsluCounter, 17909 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 22416 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:11:49,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 22416 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-07-14 02:11:49,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2022-07-14 02:11:49,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 3145. [2022-07-14 02:11:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3145 states, 2207 states have (on average 1.3565926597190756) internal successors, (2994), 2259 states have internal predecessors, (2994), 784 states have call successors, (784), 153 states have call predecessors, (784), 153 states have return successors, (793), 773 states have call predecessors, (793), 783 states have call successors, (793) [2022-07-14 02:11:49,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 3145 states and 4571 transitions. [2022-07-14 02:11:49,745 INFO L78 Accepts]: Start accepts. Automaton has 3145 states and 4571 transitions. Word has length 353 [2022-07-14 02:11:49,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:11:49,746 INFO L495 AbstractCegarLoop]: Abstraction has 3145 states and 4571 transitions. [2022-07-14 02:11:49,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 15.272727272727273) internal successors, (168), 13 states have internal predecessors, (168), 4 states have call successors, (63), 2 states have call predecessors, (63), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2022-07-14 02:11:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 4571 transitions. [2022-07-14 02:11:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-14 02:11:49,759 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:11:49,759 INFO L195 NwaCegarLoop]: trace histogram [16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:11:49,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 02:11:49,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:11:49,973 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:11:49,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:11:49,973 INFO L85 PathProgramCache]: Analyzing trace with hash -695368782, now seen corresponding path program 2 times [2022-07-14 02:11:49,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:11:49,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175939173] [2022-07-14 02:11:49,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 02:11:49,976 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:11:49,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:11:49,977 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) [2022-07-14 02:11:49,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 02:11:51,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 02:11:51,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 02:11:51,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 02:11:51,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:11:52,241 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2022-07-14 02:11:52,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:11:52,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:11:52,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175939173] [2022-07-14 02:11:52,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175939173] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:11:52,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:11:52,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:11:52,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498995848] [2022-07-14 02:11:52,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:11:52,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:11:52,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:11:52,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:11:52,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:11:52,253 INFO L87 Difference]: Start difference. First operand 3145 states and 4571 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 02:11:52,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:11:52,835 INFO L93 Difference]: Finished difference Result 7255 states and 10717 transitions. [2022-07-14 02:11:52,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:11:52,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 375 [2022-07-14 02:11:52,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:11:52,865 INFO L225 Difference]: With dead ends: 7255 [2022-07-14 02:11:52,865 INFO L226 Difference]: Without dead ends: 4119 [2022-07-14 02:11:52,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:11:52,881 INFO L413 NwaCegarLoop]: 6082 mSDtfsCounter, 994 mSDsluCounter, 16971 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1288 SdHoareTripleChecker+Valid, 23053 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:11:52,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1288 Valid, 23053 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 02:11:52,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4119 states. [2022-07-14 02:11:53,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4119 to 3149. [2022-07-14 02:11:53,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3149 states, 2210 states have (on average 1.356108597285068) internal successors, (2997), 2262 states have internal predecessors, (2997), 784 states have call successors, (784), 153 states have call predecessors, (784), 154 states have return successors, (797), 774 states have call predecessors, (797), 783 states have call successors, (797) [2022-07-14 02:11:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 4578 transitions. [2022-07-14 02:11:53,087 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 4578 transitions. Word has length 375 [2022-07-14 02:11:53,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:11:53,090 INFO L495 AbstractCegarLoop]: Abstraction has 3149 states and 4578 transitions. [2022-07-14 02:11:53,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 02:11:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 4578 transitions. [2022-07-14 02:11:53,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-14 02:11:53,101 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:11:53,101 INFO L195 NwaCegarLoop]: trace histogram [16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:11:53,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 02:11:53,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:11:53,324 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:11:53,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:11:53,324 INFO L85 PathProgramCache]: Analyzing trace with hash 35317089, now seen corresponding path program 1 times [2022-07-14 02:11:53,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:11:53,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042673701] [2022-07-14 02:11:53,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:11:53,326 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:11:53,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:11:53,328 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) [2022-07-14 02:11:53,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 02:11:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:11:55,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 2328 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 02:11:55,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:11:56,646 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 336 proven. 6 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2022-07-14 02:11:56,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:12:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-14 02:12:01,565 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:12:01,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042673701] [2022-07-14 02:12:01,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042673701] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 02:12:01,565 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 02:12:01,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-14 02:12:01,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768927] [2022-07-14 02:12:01,566 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 02:12:01,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 02:12:01,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:12:01,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 02:12:01,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-14 02:12:01,567 INFO L87 Difference]: Start difference. First operand 3149 states and 4578 transitions. Second operand has 15 states, 13 states have (on average 13.23076923076923) internal successors, (172), 15 states have internal predecessors, (172), 4 states have call successors, (63), 2 states have call predecessors, (63), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2022-07-14 02:12:14,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:12:14,436 INFO L93 Difference]: Finished difference Result 6301 states and 9239 transitions. [2022-07-14 02:12:14,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 02:12:14,437 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 13.23076923076923) internal successors, (172), 15 states have internal predecessors, (172), 4 states have call successors, (63), 2 states have call predecessors, (63), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) Word has length 358 [2022-07-14 02:12:14,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:12:14,455 INFO L225 Difference]: With dead ends: 6301 [2022-07-14 02:12:14,455 INFO L226 Difference]: Without dead ends: 3154 [2022-07-14 02:12:14,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-14 02:12:14,470 INFO L413 NwaCegarLoop]: 4508 mSDtfsCounter, 33 mSDsluCounter, 31386 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 35894 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:12:14,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 35894 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-07-14 02:12:14,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2022-07-14 02:12:14,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3150. [2022-07-14 02:12:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 2211 states have (on average 1.3563998190863862) internal successors, (2999), 2263 states have internal predecessors, (2999), 784 states have call successors, (784), 153 states have call predecessors, (784), 154 states have return successors, (797), 774 states have call predecessors, (797), 783 states have call successors, (797) [2022-07-14 02:12:14,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4580 transitions. [2022-07-14 02:12:14,563 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4580 transitions. Word has length 358 [2022-07-14 02:12:14,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:12:14,564 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4580 transitions. [2022-07-14 02:12:14,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 13.23076923076923) internal successors, (172), 15 states have internal predecessors, (172), 4 states have call successors, (63), 2 states have call predecessors, (63), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2022-07-14 02:12:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4580 transitions. [2022-07-14 02:12:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-07-14 02:12:14,574 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:12:14,574 INFO L195 NwaCegarLoop]: trace histogram [20, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:12:14,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 02:12:14,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:12:14,800 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:12:14,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:12:14,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1351498411, now seen corresponding path program 1 times [2022-07-14 02:12:14,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:12:14,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754869614] [2022-07-14 02:12:14,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:12:14,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:12:14,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:12:14,803 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:12:14,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 02:12:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:12:16,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 2436 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 02:12:16,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:12:18,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 369 proven. 10 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2022-07-14 02:12:18,323 INFO L328 TraceCheckSpWp]: Computing backward predicates...