./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--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-?-791161d [2022-07-23 01:44:19,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:44:19,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:44:19,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:44:19,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:44:19,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:44:19,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:44:19,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:44:19,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:44:19,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:44:19,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:44:19,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:44:19,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:44:19,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:44:19,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:44:19,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:44:19,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:44:19,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:44:19,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:44:19,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:44:19,228 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:44:19,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:44:19,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:44:19,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:44:19,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:44:19,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:44:19,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:44:19,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:44:19,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:44:19,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:44:19,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:44:19,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:44:19,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:44:19,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:44:19,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:44:19,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:44:19,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:44:19,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:44:19,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:44:19,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:44:19,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:44:19,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:44:19,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:44:19,281 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:44:19,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:44:19,282 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:44:19,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:44:19,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:44:19,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:44:19,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:44:19,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:44:19,284 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:44:19,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:44:19,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:44:19,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:44:19,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:44:19,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:44:19,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:44:19,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:44:19,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:44:19,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:44:19,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:44:19,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:44:19,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:44:19,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:44:19,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:44:19,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:44:19,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:44:19,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:44:19,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:44:19,289 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:44:19,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:44:19,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:44:19,290 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2022-07-23 01:44:19,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:44:19,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:44:19,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:44:19,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:44:19,546 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:44:19,547 INFO L432 ainManager$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 [2022-07-23 01:44:19,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d3148dc/3073faac996e44aa962d106181b499ff/FLAG5437befd1 [2022-07-23 01:44:20,437 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:44:20,438 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 [2022-07-23 01:44:20,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d3148dc/3073faac996e44aa962d106181b499ff/FLAG5437befd1 [2022-07-23 01:44:20,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d3148dc/3073faac996e44aa962d106181b499ff [2022-07-23 01:44:20,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:44:20,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:44:20,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:44:20,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:44:20,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:44:20,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:44:20" (1/1) ... [2022-07-23 01:44:20,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11731a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:20, skipping insertion in model container [2022-07-23 01:44:20,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:44:20" (1/1) ... [2022-07-23 01:44:20,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:44:21,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:44:24,211 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] [2022-07-23 01:44:24,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:44:24,341 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:44:24,966 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) [2022-07-23 01:44:24,973 INFO L158 Benchmark]: Toolchain (without parser) took 4039.45ms. Allocated memory was 100.7MB in the beginning and 239.1MB in the end (delta: 138.4MB). Free memory was 69.9MB in the beginning and 121.2MB in the end (delta: -51.4MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2022-07-23 01:44:24,974 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 57.0MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 01:44:24,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4037.77ms. Allocated memory was 100.7MB in the beginning and 239.1MB in the end (delta: 138.4MB). Free memory was 69.9MB in the beginning and 121.2MB in the end (delta: -51.4MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2022-07-23 01:44:24,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 57.0MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4037.77ms. Allocated memory was 100.7MB in the beginning and 239.1MB in the end (delta: 138.4MB). Free memory was 69.9MB in the beginning and 121.2MB in the end (delta: -51.4MB). Peak memory consumption was 118.2MB. 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-?-791161d [2022-07-23 01:44:26,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:44:26,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:44:26,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:44:26,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:44:26,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:44:26,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:44:26,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:44:26,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:44:26,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:44:26,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:44:26,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:44:26,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:44:26,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:44:26,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:44:26,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:44:26,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:44:26,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:44:26,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:44:26,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:44:26,725 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:44:26,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:44:26,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:44:26,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:44:26,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:44:26,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:44:26,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:44:26,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:44:26,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:44:26,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:44:26,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:44:26,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:44:26,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:44:26,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:44:26,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:44:26,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:44:26,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:44:26,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:44:26,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:44:26,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:44:26,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:44:26,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:44:26,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 01:44:26,776 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:44:26,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:44:26,777 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:44:26,778 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:44:26,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:44:26,779 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:44:26,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:44:26,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:44:26,780 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:44:26,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:44:26,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:44:26,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:44:26,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:44:26,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:44:26,781 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 01:44:26,781 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 01:44:26,782 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 01:44:26,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:44:26,782 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:44:26,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:44:26,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:44:26,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:44:26,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:44:26,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:44:26,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:44:26,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:44:26,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:44:26,784 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 01:44:26,784 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 01:44:26,784 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:44:26,784 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:44:26,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:44:26,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 01:44:26,785 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2022-07-23 01:44:27,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:44:27,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:44:27,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:44:27,109 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:44:27,111 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:44:27,113 INFO L432 ainManager$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 [2022-07-23 01:44:27,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0138f3293/5b66d1e904de4d0a9936471016cb7b41/FLAGe3e842677 [2022-07-23 01:44:28,075 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:44:28,077 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 [2022-07-23 01:44:28,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0138f3293/5b66d1e904de4d0a9936471016cb7b41/FLAGe3e842677 [2022-07-23 01:44:28,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0138f3293/5b66d1e904de4d0a9936471016cb7b41 [2022-07-23 01:44:28,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:44:28,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:44:28,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:44:28,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:44:28,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:44:28,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:44:28" (1/1) ... [2022-07-23 01:44:28,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c75b2d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:28, skipping insertion in model container [2022-07-23 01:44:28,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:44:28" (1/1) ... [2022-07-23 01:44:28,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:44:28,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:44:31,615 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] [2022-07-23 01:44:31,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:44:31,725 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 01:44:31,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:44:32,215 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] [2022-07-23 01:44:32,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:44:32,240 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:44:33,034 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] [2022-07-23 01:44:33,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:44:33,238 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:44:33,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:33 WrapperNode [2022-07-23 01:44:33,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:44:33,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:44:33,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:44:33,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:44:33,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:33" (1/1) ... [2022-07-23 01:44:33,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:33" (1/1) ... [2022-07-23 01:44:33,629 INFO L137 Inliner]: procedures = 445, calls = 3990, calls flagged for inlining = 188, calls inlined = 182, statements flattened = 9812 [2022-07-23 01:44:33,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:44:33,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:44:33,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:44:33,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:44:33,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:33" (1/1) ... [2022-07-23 01:44:33,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:33" (1/1) ... [2022-07-23 01:44:33,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:33" (1/1) ... [2022-07-23 01:44:33,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:33" (1/1) ... [2022-07-23 01:44:33,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:33" (1/1) ... [2022-07-23 01:44:33,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:33" (1/1) ... [2022-07-23 01:44:33,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:33" (1/1) ... [2022-07-23 01:44:34,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:44:34,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:44:34,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:44:34,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:44:34,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:33" (1/1) ... [2022-07-23 01:44:34,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:44:34,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:44:34,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 01:44:34,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 01:44:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 01:44:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 01:44:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_put_rq_buf [2022-07-23 01:44:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_put_rq_buf [2022-07-23 01:44:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-23 01:44:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-23 01:44:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-23 01:44:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_unsol_pdu_adjust_rq [2022-07-23 01:44:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_unsol_pdu_adjust_rq [2022-07-23 01:44:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2022-07-23 01:44:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2022-07-23 01:44:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:44:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:44:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 01:44:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 01:44:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_active_list_del [2022-07-23 01:44:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_active_list_del [2022-07-23 01:44:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:44:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:44:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-23 01:44:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-23 01:44:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-23 01:44:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-23 01:44:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_create [2022-07-23 01:44:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_create [2022-07-23 01:44:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_destroy [2022-07-23 01:44:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_destroy [2022-07-23 01:44:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 01:44:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 01:44:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_get_param [2022-07-23 01:44:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_get_param [2022-07-23 01:44:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_recover_target [2022-07-23 01:44:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_recover_target [2022-07-23 01:44:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 01:44:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 01:44:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_task_xmit [2022-07-23 01:44:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_task_xmit [2022-07-23 01:44:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_adapter_ready [2022-07-23 01:44:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_adapter_ready [2022-07-23 01:44:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_get_param [2022-07-23 01:44:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_get_param [2022-07-23 01:44:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_stats [2022-07-23 01:44:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_stats [2022-07-23 01:44:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_nl_mesg [2022-07-23 01:44:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_nl_mesg [2022-07-23 01:44:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_queuecommand [2022-07-23 01:44:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_queuecommand [2022-07-23 01:44:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 01:44:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 01:44:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_iscsi_nopout [2022-07-23 01:44:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_iscsi_nopout [2022-07-23 01:44:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_get_param [2022-07-23 01:44:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_get_param [2022-07-23 01:44:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_tear_down_conn [2022-07-23 01:44:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_tear_down_conn [2022-07-23 01:44:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:44:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_link_state [2022-07-23 01:44:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_link_state [2022-07-23 01:44:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 01:44:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 01:44:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2022-07-23 01:44:34,097 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2022-07-23 01:44:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 01:44:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 01:44:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_stop [2022-07-23 01:44:34,097 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_stop [2022-07-23 01:44:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-23 01:44:34,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-23 01:44:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-07-23 01:44:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-07-23 01:44:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 01:44:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 01:44:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-23 01:44:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-23 01:44:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-23 01:44:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-23 01:44:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_send_pdu [2022-07-23 01:44:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_send_pdu [2022-07-23 01:44:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ring_dbell_update_sq_params [2022-07-23 01:44:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ring_dbell_update_sq_params [2022-07-23 01:44:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2022-07-23 01:44:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2022-07-23 01:44:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 01:44:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 01:44:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_iscsi_unmap_sg_list [2022-07-23 01:44:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_iscsi_unmap_sg_list [2022-07-23 01:44:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-23 01:44:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-23 01:44:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_release_free_cid_que [2022-07-23 01:44:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_release_free_cid_que [2022-07-23 01:44:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:44:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:44:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:44:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:44:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_set_param [2022-07-23 01:44:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_set_param [2022-07-23 01:44:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-23 01:44:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-23 01:44:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-23 01:44:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-23 01:44:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 01:44:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 01:44:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_qp_resc [2022-07-23 01:44:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_qp_resc [2022-07-23 01:44:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_destroy [2022-07-23 01:44:34,103 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_destroy [2022-07-23 01:44:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_dev_to_hba [2022-07-23 01:44:34,103 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_dev_to_hba [2022-07-23 01:44:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_connect [2022-07-23 01:44:34,103 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_connect [2022-07-23 01:44:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:44:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:44:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_task_has_unsol_data [2022-07-23 01:44:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_task_has_unsol_data [2022-07-23 01:44:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:44:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-23 01:44:34,104 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-23 01:44:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_cid_num [2022-07-23 01:44:34,105 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_cid_num [2022-07-23 01:44:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_hw_ep_disconnect [2022-07-23 01:44:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_hw_ep_disconnect [2022-07-23 01:44:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2022-07-23 01:44:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2022-07-23 01:44:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:44:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_create [2022-07-23 01:44:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_create [2022-07-23 01:44:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_ofld_list_del [2022-07-23 01:44:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_ofld_list_del [2022-07-23 01:44:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:44:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2022-07-23 01:44:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2022-07-23 01:44:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 01:44:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_host_get_param [2022-07-23 01:44:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_host_get_param [2022-07-23 01:44:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 01:44:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 01:44:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 01:44:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-23 01:44:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-23 01:44:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_setup_cmd_wqe_template [2022-07-23 01:44:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_setup_cmd_wqe_template [2022-07-23 01:44:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2022-07-23 01:44:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2022-07-23 01:44:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_cleanup_task [2022-07-23 01:44:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_cleanup_task [2022-07-23 01:44:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_nl_set_path [2022-07-23 01:44:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_nl_set_path [2022-07-23 01:44:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_chip_cleanup [2022-07-23 01:44:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_chip_cleanup [2022-07-23 01:44:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_poll [2022-07-23 01:44:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_poll [2022-07-23 01:44:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_arm_cq_event_coalescing [2022-07-23 01:44:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_arm_cq_event_coalescing [2022-07-23 01:44:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 01:44:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 01:44:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 01:44:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 01:44:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-07-23 01:44:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-07-23 01:44:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-23 01:44:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-23 01:44:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 01:44:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure flush_signals [2022-07-23 01:44:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_signals [2022-07-23 01:44:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-23 01:44:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-23 01:44:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-23 01:44:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-23 01:44:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:44:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:44:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-23 01:44:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-23 01:44:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 01:44:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 01:44:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 01:44:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 01:44:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 01:44:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-23 01:44:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-23 01:44:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 01:44:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 01:44:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 01:44:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-23 01:44:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-23 01:44:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-23 01:44:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-23 01:44:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 01:44:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:44:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 01:44:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:44:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_recovery_que_add_conn [2022-07-23 01:44:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_recovery_que_add_conn [2022-07-23 01:44:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:44:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:44:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 01:44:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 01:44:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_attr_is_visible [2022-07-23 01:44:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_attr_is_visible [2022-07-23 01:44:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-23 01:44:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-23 01:44:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-23 01:44:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-07-23 01:44:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-07-23 01:44:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_scsi_cmd_resp [2022-07-23 01:44:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_scsi_cmd_resp [2022-07-23 01:44:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_destroy_cmd_pool [2022-07-23 01:44:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_destroy_cmd_pool [2022-07-23 01:44:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-23 01:44:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-23 01:44:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 01:44:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 01:44:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:44:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:44:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2022-07-23 01:44:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2022-07-23 01:44:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 01:44:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 01:44:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:44:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:44:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_device_reset [2022-07-23 01:44:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_device_reset [2022-07-23 01:44:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:44:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:44:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_get_stats [2022-07-23 01:44:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_get_stats [2022-07-23 01:44:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-23 01:44:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-23 01:44:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2022-07-23 01:44:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2022-07-23 01:44:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2022-07-23 01:44:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2022-07-23 01:44:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:44:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 01:44:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 01:44:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:44:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 01:44:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 01:44:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 01:44:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 01:44:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_itt_to_task [2022-07-23 01:44:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_itt_to_task [2022-07-23 01:44:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-07-23 01:44:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-07-23 01:44:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_write_cmd_bd_idx [2022-07-23 01:44:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_write_cmd_bd_idx [2022-07-23 01:44:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2022-07-23 01:44:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2022-07-23 01:44:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 01:44:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 01:44:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 01:44:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 01:44:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:44:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_bind [2022-07-23 01:44:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_bind [2022-07-23 01:44:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 01:44:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 01:44:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 01:44:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 01:44:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_new_cqes [2022-07-23 01:44:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_new_cqes [2022-07-23 01:44:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 01:44:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 01:44:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 01:44:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 01:44:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_ep [2022-07-23 01:44:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_ep [2022-07-23 01:44:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_start [2022-07-23 01:44:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_start [2022-07-23 01:44:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_find_hba_for_cnic [2022-07-23 01:44:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_find_hba_for_cnic [2022-07-23 01:44:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 01:44:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 01:44:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_hba [2022-07-23 01:44:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_hba [2022-07-23 01:44:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2022-07-23 01:44:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2022-07-23 01:44:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_mp_bdt [2022-07-23 01:44:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_mp_bdt [2022-07-23 01:44:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 01:44:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 01:44:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 01:44:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 01:44:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_destroy [2022-07-23 01:44:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_destroy [2022-07-23 01:44:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 01:44:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 01:44:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 01:44:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 01:44:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_rq_buf [2022-07-23 01:44:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_rq_buf [2022-07-23 01:44:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:44:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:44:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-07-23 01:44:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-07-23 01:44:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 01:44:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 01:44:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 01:44:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 01:44:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:44:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:44:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-07-23 01:44:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-07-23 01:44:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 01:44:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 01:44:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:44:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:44:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_abort [2022-07-23 01:44:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_abort [2022-07-23 01:44:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 01:44:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 01:44:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-23 01:44:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-23 01:44:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-07-23 01:44:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-07-23 01:44:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-23 01:44:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-23 01:44:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 01:44:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 01:44:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2022-07-23 01:44:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2022-07-23 01:44:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_create [2022-07-23 01:44:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_create [2022-07-23 01:44:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2022-07-23 01:44:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2022-07-23 01:44:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_fw_iscsi_init_msg [2022-07-23 01:44:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_fw_iscsi_init_msg [2022-07-23 01:44:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 01:44:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 01:44:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-23 01:44:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-23 01:44:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 01:44:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 01:44:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-23 01:44:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-23 01:44:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_conn_from_id [2022-07-23 01:44:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_conn_from_id [2022-07-23 01:44:35,571 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:44:35,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:44:36,221 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:47:02,910 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:47:02,941 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:47:02,942 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 01:47:02,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:47:02 BoogieIcfgContainer [2022-07-23 01:47:02,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:47:02,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:47:02,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:47:02,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:47:02,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:44:28" (1/3) ... [2022-07-23 01:47:02,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368bed19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:47:02, skipping insertion in model container [2022-07-23 01:47:02,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:44:33" (2/3) ... [2022-07-23 01:47:02,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368bed19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:47:02, skipping insertion in model container [2022-07-23 01:47:02,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:47:02" (3/3) ... [2022-07-23 01:47:02,956 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2022-07-23 01:47:02,970 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:47:02,970 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:47:03,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:47:03,060 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@37ce4181, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@77365893 [2022-07-23 01:47:03,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:47:03,070 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) [2022-07-23 01:47:03,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-23 01:47:03,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:47:03,121 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] [2022-07-23 01:47:03,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:47:03,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:47:03,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1847489212, now seen corresponding path program 1 times [2022-07-23 01:47:03,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:47:03,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301870057] [2022-07-23 01:47:03,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:47:03,144 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:47:03,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:47:03,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:47:03,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 01:47:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:47:04,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 01:47:04,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:47:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-07-23 01:47:05,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:47:05,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:47:05,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301870057] [2022-07-23 01:47:05,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301870057] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:47:05,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:47:05,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:47:05,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940830351] [2022-07-23 01:47:05,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:47:05,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 01:47:05,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:47:05,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 01:47:05,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:47:05,064 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) [2022-07-23 01:47:05,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:47:05,271 INFO L93 Difference]: Finished difference Result 6335 states and 9375 transitions. [2022-07-23 01:47:05,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 01:47:05,277 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 [2022-07-23 01:47:05,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:47:05,306 INFO L225 Difference]: With dead ends: 6335 [2022-07-23 01:47:05,307 INFO L226 Difference]: Without dead ends: 3124 [2022-07-23 01:47:05,331 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 [2022-07-23 01:47:05,336 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 [2022-07-23 01:47:05,340 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] [2022-07-23 01:47:05,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3124 states. [2022-07-23 01:47:05,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3124 to 3124. [2022-07-23 01:47:05,529 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) [2022-07-23 01:47:05,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 4537 transitions. [2022-07-23 01:47:05,554 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 4537 transitions. Word has length 341 [2022-07-23 01:47:05,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:47:05,557 INFO L495 AbstractCegarLoop]: Abstraction has 3124 states and 4537 transitions. [2022-07-23 01:47:05,557 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) [2022-07-23 01:47:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 4537 transitions. [2022-07-23 01:47:05,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-23 01:47:05,574 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:47:05,574 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] [2022-07-23 01:47:05,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 01:47:05,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:47:05,796 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:47:05,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:47:05,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1805602088, now seen corresponding path program 1 times [2022-07-23 01:47:05,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:47:05,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198009632] [2022-07-23 01:47:05,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:47:05,800 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:47:05,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:47:05,803 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:47:05,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 01:47:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:47:07,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 01:47:07,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:47:08,437 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-07-23 01:47:08,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:47:08,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:47:08,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198009632] [2022-07-23 01:47:08,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198009632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:47:08,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:47:08,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:47:08,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10566054] [2022-07-23 01:47:08,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:47:08,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:47:08,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:47:08,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:47:08,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:47:08,442 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) [2022-07-23 01:47:13,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:47:13,626 INFO L93 Difference]: Finished difference Result 6246 states and 9152 transitions. [2022-07-23 01:47:13,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:47:13,627 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 [2022-07-23 01:47:13,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:47:13,645 INFO L225 Difference]: With dead ends: 6246 [2022-07-23 01:47:13,646 INFO L226 Difference]: Without dead ends: 3127 [2022-07-23 01:47:13,660 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 [2022-07-23 01:47:13,661 INFO L413 NwaCegarLoop]: 4502 mSDtfsCounter, 6 mSDsluCounter, 17919 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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, 4.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:47:13,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22421 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-23 01:47:13,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2022-07-23 01:47:13,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 3127. [2022-07-23 01:47:13,742 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) [2022-07-23 01:47:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 3127 states and 4545 transitions. [2022-07-23 01:47:13,762 INFO L78 Accepts]: Start accepts. Automaton has 3127 states and 4545 transitions. Word has length 341 [2022-07-23 01:47:13,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:47:13,763 INFO L495 AbstractCegarLoop]: Abstraction has 3127 states and 4545 transitions. [2022-07-23 01:47:13,763 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) [2022-07-23 01:47:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 4545 transitions. [2022-07-23 01:47:13,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-23 01:47:13,778 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:47:13,778 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] [2022-07-23 01:47:13,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-23 01:47:13,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:47:14,000 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:47:14,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:47:14,000 INFO L85 PathProgramCache]: Analyzing trace with hash -250495296, now seen corresponding path program 1 times [2022-07-23 01:47:14,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:47:14,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1392068933] [2022-07-23 01:47:14,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:47:14,003 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:47:14,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:47:14,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:47:14,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 01:47:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:47:15,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 01:47:15,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:47:16,724 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 284 proven. 1 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2022-07-23 01:47:16,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:47:19,663 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 2 proven. 51 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2022-07-23 01:47:19,663 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:47:19,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1392068933] [2022-07-23 01:47:19,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1392068933] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:47:19,664 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:47:19,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-23 01:47:19,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277239032] [2022-07-23 01:47:19,664 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:47:19,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 01:47:19,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:47:19,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 01:47:19,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:47:19,667 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) [2022-07-23 01:47:29,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:47:29,250 INFO L93 Difference]: Finished difference Result 6257 states and 9174 transitions. [2022-07-23 01:47:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 01:47:29,251 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 [2022-07-23 01:47:29,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:47:29,276 INFO L225 Difference]: With dead ends: 6257 [2022-07-23 01:47:29,276 INFO L226 Difference]: Without dead ends: 3135 [2022-07-23 01:47:29,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:47:29,297 INFO L413 NwaCegarLoop]: 4504 mSDtfsCounter, 12 mSDsluCounter, 31344 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 35848 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-23 01:47:29,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 35848 Invalid, 547 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [74 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-07-23 01:47:29,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2022-07-23 01:47:29,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 3133. [2022-07-23 01:47:29,390 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) [2022-07-23 01:47:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 4552 transitions. [2022-07-23 01:47:29,403 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 4552 transitions. Word has length 365 [2022-07-23 01:47:29,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:47:29,404 INFO L495 AbstractCegarLoop]: Abstraction has 3133 states and 4552 transitions. [2022-07-23 01:47:29,405 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) [2022-07-23 01:47:29,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 4552 transitions. [2022-07-23 01:47:29,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-07-23 01:47:29,416 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:47:29,416 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] [2022-07-23 01:47:29,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 01:47:29,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:47:29,636 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:47:29,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:47:29,636 INFO L85 PathProgramCache]: Analyzing trace with hash 128570920, now seen corresponding path program 1 times [2022-07-23 01:47:29,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:47:29,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977297126] [2022-07-23 01:47:29,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:47:29,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:47:29,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:47:29,641 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:47:29,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 01:47:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:47:31,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 2282 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:47:31,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:47:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 309 proven. 3 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2022-07-23 01:47:32,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:47:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2022-07-23 01:47:36,441 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:47:36,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977297126] [2022-07-23 01:47:36,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977297126] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:47:36,441 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:47:36,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-23 01:47:36,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791342411] [2022-07-23 01:47:36,441 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:47:36,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 01:47:36,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:47:36,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 01:47:36,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-23 01:47:36,443 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) [2022-07-23 01:47:45,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:47:45,213 INFO L93 Difference]: Finished difference Result 6275 states and 9202 transitions. [2022-07-23 01:47:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 01:47:45,214 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 [2022-07-23 01:47:45,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:47:45,233 INFO L225 Difference]: With dead ends: 6275 [2022-07-23 01:47:45,233 INFO L226 Difference]: Without dead ends: 3147 [2022-07-23 01:47:45,248 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 [2022-07-23 01:47:45,249 INFO L413 NwaCegarLoop]: 4507 mSDtfsCounter, 30 mSDsluCounter, 17909 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s 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, 7.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:47:45,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 22416 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-23 01:47:45,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2022-07-23 01:47:45,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 3145. [2022-07-23 01:47:45,327 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) [2022-07-23 01:47:45,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 3145 states and 4571 transitions. [2022-07-23 01:47:45,340 INFO L78 Accepts]: Start accepts. Automaton has 3145 states and 4571 transitions. Word has length 353 [2022-07-23 01:47:45,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:47:45,341 INFO L495 AbstractCegarLoop]: Abstraction has 3145 states and 4571 transitions. [2022-07-23 01:47:45,341 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) [2022-07-23 01:47:45,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 4571 transitions. [2022-07-23 01:47:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-23 01:47:45,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:47:45,354 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] [2022-07-23 01:47:45,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 01:47:45,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:47:45,568 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:47:45,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:47:45,568 INFO L85 PathProgramCache]: Analyzing trace with hash -695368782, now seen corresponding path program 2 times [2022-07-23 01:47:45,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:47:45,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710081679] [2022-07-23 01:47:45,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:47:45,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:47:45,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:47:45,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:47:45,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 01:47:46,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:47:46,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:47:46,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:47:46,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:47:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2022-07-23 01:47:47,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:47:47,658 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:47:47,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710081679] [2022-07-23 01:47:47,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1710081679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:47:47,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:47:47,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:47:47,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691570837] [2022-07-23 01:47:47,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:47:47,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:47:47,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:47:47,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:47:47,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:47:47,661 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) [2022-07-23 01:47:48,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:47:48,219 INFO L93 Difference]: Finished difference Result 7255 states and 10717 transitions. [2022-07-23 01:47:48,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 01:47:48,224 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 [2022-07-23 01:47:48,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:47:48,254 INFO L225 Difference]: With dead ends: 7255 [2022-07-23 01:47:48,255 INFO L226 Difference]: Without dead ends: 4119 [2022-07-23 01:47:48,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:47:48,268 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:47:48,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1288 Valid, 23053 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 01:47:48,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4119 states. [2022-07-23 01:47:48,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4119 to 3149. [2022-07-23 01:47:48,377 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) [2022-07-23 01:47:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 4578 transitions. [2022-07-23 01:47:48,390 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 4578 transitions. Word has length 375 [2022-07-23 01:47:48,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:47:48,392 INFO L495 AbstractCegarLoop]: Abstraction has 3149 states and 4578 transitions. [2022-07-23 01:47:48,392 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) [2022-07-23 01:47:48,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 4578 transitions. [2022-07-23 01:47:48,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-23 01:47:48,401 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:47:48,402 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] [2022-07-23 01:47:48,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 01:47:48,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:47:48,616 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:47:48,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:47:48,616 INFO L85 PathProgramCache]: Analyzing trace with hash 35317089, now seen corresponding path program 1 times [2022-07-23 01:47:48,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:47:48,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995943072] [2022-07-23 01:47:48,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:47:48,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:47:48,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:47:48,619 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:47:48,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 01:47:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:47:50,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 2328 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 01:47:50,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:47:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 336 proven. 6 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2022-07-23 01:47:51,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:47:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-23 01:47:56,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:47:56,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995943072] [2022-07-23 01:47:56,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995943072] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:47:56,508 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:47:56,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-23 01:47:56,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043028937] [2022-07-23 01:47:56,508 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:47:56,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 01:47:56,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:47:56,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 01:47:56,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:47:56,510 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) [2022-07-23 01:48:09,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:48:09,047 INFO L93 Difference]: Finished difference Result 6301 states and 9239 transitions. [2022-07-23 01:48:09,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 01:48:09,048 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 [2022-07-23 01:48:09,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:48:09,066 INFO L225 Difference]: With dead ends: 6301 [2022-07-23 01:48:09,066 INFO L226 Difference]: Without dead ends: 3154 [2022-07-23 01:48:09,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-23 01:48:09,081 INFO L413 NwaCegarLoop]: 4508 mSDtfsCounter, 33 mSDsluCounter, 31386 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s 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, 10.9s IncrementalHoareTripleChecker+Time [2022-07-23 01:48:09,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 35894 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-07-23 01:48:09,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2022-07-23 01:48:09,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3150. [2022-07-23 01:48:09,153 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) [2022-07-23 01:48:09,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4580 transitions. [2022-07-23 01:48:09,165 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4580 transitions. Word has length 358 [2022-07-23 01:48:09,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:48:09,166 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4580 transitions. [2022-07-23 01:48:09,167 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) [2022-07-23 01:48:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4580 transitions. [2022-07-23 01:48:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-07-23 01:48:09,174 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:48:09,175 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] [2022-07-23 01:48:09,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 01:48:09,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:48:09,391 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:48:09,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:48:09,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1351498411, now seen corresponding path program 1 times [2022-07-23 01:48:09,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:48:09,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387508260] [2022-07-23 01:48:09,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:48:09,394 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:48:09,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:48:09,395 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:48:09,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 01:48:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:48:11,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 2436 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 01:48:11,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:48:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 369 proven. 10 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2022-07-23 01:48:12,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:48:18,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 2 proven. 145 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2022-07-23 01:48:18,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:48:18,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387508260] [2022-07-23 01:48:18,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387508260] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:48:18,555 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:48:18,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-23 01:48:18,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621097314] [2022-07-23 01:48:18,555 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:48:18,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-23 01:48:18,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:48:18,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-23 01:48:18,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-23 01:48:18,556 INFO L87 Difference]: Start difference. First operand 3150 states and 4580 transitions. Second operand has 17 states, 15 states have (on average 12.666666666666666) internal successors, (190), 17 states have internal predecessors, (190), 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)