./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-6c24879 [2022-07-12 14:27:19,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:27:19,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:27:19,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:27:19,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:27:19,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:27:19,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:27:19,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:27:19,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:27:19,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:27:19,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:27:19,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:27:19,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:27:19,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:27:19,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:27:19,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:27:19,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:27:19,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:27:19,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:27:19,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:27:19,617 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:27:19,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:27:19,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:27:19,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:27:19,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:27:19,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:27:19,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:27:19,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:27:19,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:27:19,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:27:19,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:27:19,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:27:19,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:27:19,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:27:19,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:27:19,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:27:19,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:27:19,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:27:19,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:27:19,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:27:19,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:27:19,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:27:19,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:27:19,659 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:27:19,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:27:19,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:27:19,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:27:19,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:27:19,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:27:19,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:27:19,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:27:19,661 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:27:19,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:27:19,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:27:19,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:27:19,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:27:19,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:27:19,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:27:19,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:27:19,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:27:19,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:27:19,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:27:19,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:27:19,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:27:19,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:27:19,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:27:19,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:27:19,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:27:19,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:27:19,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:27:19,665 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:27:19,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:27:19,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:27:19,665 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2022-07-12 14:27:19,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:27:19,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:27:19,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:27:19,906 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:27:19,906 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:27:19,907 INFO L432 ainManager$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 [2022-07-12 14:27:19,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74f02516d/05e94bdb60a94fc4948e03d059321f49/FLAG19db7f1ba [2022-07-12 14:27:20,690 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:27:20,691 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 [2022-07-12 14:27:20,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74f02516d/05e94bdb60a94fc4948e03d059321f49/FLAG19db7f1ba [2022-07-12 14:27:20,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74f02516d/05e94bdb60a94fc4948e03d059321f49 [2022-07-12 14:27:20,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:27:20,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:27:20,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:27:20,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:27:21,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:27:21,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:27:20" (1/1) ... [2022-07-12 14:27:21,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a13ebcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:21, skipping insertion in model container [2022-07-12 14:27:21,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:27:20" (1/1) ... [2022-07-12 14:27:21,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:27:21,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:27:24,327 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] [2022-07-12 14:27:24,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:27:24,437 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:27:24,896 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) [2022-07-12 14:27:24,901 INFO L158 Benchmark]: Toolchain (without parser) took 3908.07ms. Allocated memory was 115.3MB in the beginning and 383.8MB in the end (delta: 268.4MB). Free memory was 79.9MB in the beginning and 264.6MB in the end (delta: -184.6MB). Peak memory consumption was 136.0MB. Max. memory is 16.1GB. [2022-07-12 14:27:24,901 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory was 86.2MB in the beginning and 86.1MB in the end (delta: 26.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 14:27:24,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3904.61ms. Allocated memory was 115.3MB in the beginning and 383.8MB in the end (delta: 268.4MB). Free memory was 79.7MB in the beginning and 264.6MB in the end (delta: -184.8MB). Peak memory consumption was 136.0MB. Max. memory is 16.1GB. [2022-07-12 14:27:24,903 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory was 86.2MB in the beginning and 86.1MB in the end (delta: 26.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3904.61ms. Allocated memory was 115.3MB in the beginning and 383.8MB in the end (delta: 268.4MB). Free memory was 79.7MB in the beginning and 264.6MB in the end (delta: -184.8MB). Peak memory consumption was 136.0MB. 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-?-6c24879 [2022-07-12 14:27:26,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:27:26,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:27:26,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:27:26,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:27:26,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:27:26,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:27:26,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:27:26,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:27:26,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:27:26,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:27:26,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:27:26,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:27:26,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:27:26,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:27:26,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:27:26,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:27:26,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:27:26,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:27:26,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:27:26,619 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:27:26,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:27:26,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:27:26,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:27:26,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:27:26,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:27:26,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:27:26,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:27:26,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:27:26,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:27:26,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:27:26,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:27:26,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:27:26,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:27:26,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:27:26,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:27:26,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:27:26,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:27:26,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:27:26,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:27:26,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:27:26,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:27:26,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 14:27:26,664 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:27:26,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:27:26,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:27:26,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:27:26,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:27:26,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:27:26,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:27:26,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:27:26,667 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:27:26,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:27:26,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:27:26,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:27:26,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:27:26,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:27:26,668 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 14:27:26,668 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 14:27:26,668 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 14:27:26,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:27:26,669 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:27:26,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:27:26,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:27:26,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:27:26,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:27:26,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:27:26,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:27:26,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:27:26,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:27:26,670 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 14:27:26,670 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 14:27:26,670 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:27:26,670 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:27:26,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:27:26,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 14:27:26,671 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2022-07-12 14:27:26,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:27:26,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:27:26,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:27:26,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:27:26,933 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:27:26,934 INFO L432 ainManager$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 [2022-07-12 14:27:26,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac94bca20/c6db140830d640e9b3f6cc911bf3abc4/FLAGee865e8b4 [2022-07-12 14:27:27,816 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:27:27,817 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 [2022-07-12 14:27:27,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac94bca20/c6db140830d640e9b3f6cc911bf3abc4/FLAGee865e8b4 [2022-07-12 14:27:27,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac94bca20/c6db140830d640e9b3f6cc911bf3abc4 [2022-07-12 14:27:27,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:27:27,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:27:27,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:27:27,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:27:27,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:27:27,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:27:27" (1/1) ... [2022-07-12 14:27:27,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dce9927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:27, skipping insertion in model container [2022-07-12 14:27:27,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:27:27" (1/1) ... [2022-07-12 14:27:27,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:27:28,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:27:31,377 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] [2022-07-12 14:27:31,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:27:31,467 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 14:27:31,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:27:31,806 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] [2022-07-12 14:27:31,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:27:31,831 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:27:32,429 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] [2022-07-12 14:27:32,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:27:32,614 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:27:32,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:32 WrapperNode [2022-07-12 14:27:32,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:27:32,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:27:32,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:27:32,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:27:32,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:32" (1/1) ... [2022-07-12 14:27:32,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:32" (1/1) ... [2022-07-12 14:27:32,908 INFO L137 Inliner]: procedures = 445, calls = 3990, calls flagged for inlining = 188, calls inlined = 182, statements flattened = 9812 [2022-07-12 14:27:32,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:27:32,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:27:32,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:27:32,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:27:32,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:32" (1/1) ... [2022-07-12 14:27:32,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:32" (1/1) ... [2022-07-12 14:27:33,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:32" (1/1) ... [2022-07-12 14:27:33,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:32" (1/1) ... [2022-07-12 14:27:33,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:32" (1/1) ... [2022-07-12 14:27:33,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:32" (1/1) ... [2022-07-12 14:27:33,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:32" (1/1) ... [2022-07-12 14:27:33,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:27:33,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:27:33,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:27:33,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:27:33,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:32" (1/1) ... [2022-07-12 14:27:33,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:27:33,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:27:33,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 14:27:33,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 14:27:33,378 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 14:27:33,379 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 14:27:33,379 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_put_rq_buf [2022-07-12 14:27:33,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_put_rq_buf [2022-07-12 14:27:33,379 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-12 14:27:33,379 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-12 14:27:33,379 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-12 14:27:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_unsol_pdu_adjust_rq [2022-07-12 14:27:33,380 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_unsol_pdu_adjust_rq [2022-07-12 14:27:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2022-07-12 14:27:33,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2022-07-12 14:27:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:27:33,380 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:27:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-12 14:27:33,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-12 14:27:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_active_list_del [2022-07-12 14:27:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_active_list_del [2022-07-12 14:27:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:27:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:27:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-12 14:27:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-12 14:27:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-12 14:27:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-12 14:27:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_create [2022-07-12 14:27:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_create [2022-07-12 14:27:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_destroy [2022-07-12 14:27:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_destroy [2022-07-12 14:27:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 14:27:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 14:27:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_get_param [2022-07-12 14:27:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_get_param [2022-07-12 14:27:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_recover_target [2022-07-12 14:27:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_recover_target [2022-07-12 14:27:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 14:27:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 14:27:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_task_xmit [2022-07-12 14:27:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_task_xmit [2022-07-12 14:27:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_adapter_ready [2022-07-12 14:27:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_adapter_ready [2022-07-12 14:27:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_get_param [2022-07-12 14:27:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_get_param [2022-07-12 14:27:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_stats [2022-07-12 14:27:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_stats [2022-07-12 14:27:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_nl_mesg [2022-07-12 14:27:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_nl_mesg [2022-07-12 14:27:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_queuecommand [2022-07-12 14:27:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_queuecommand [2022-07-12 14:27:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:27:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:27:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_iscsi_nopout [2022-07-12 14:27:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_iscsi_nopout [2022-07-12 14:27:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_get_param [2022-07-12 14:27:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_get_param [2022-07-12 14:27:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_tear_down_conn [2022-07-12 14:27:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_tear_down_conn [2022-07-12 14:27:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:27:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_link_state [2022-07-12 14:27:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_link_state [2022-07-12 14:27:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 14:27:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 14:27:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2022-07-12 14:27:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2022-07-12 14:27:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 14:27:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 14:27:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_stop [2022-07-12 14:27:33,387 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_stop [2022-07-12 14:27:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-12 14:27:33,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-12 14:27:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-07-12 14:27:33,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-07-12 14:27:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 14:27:33,388 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 14:27:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 14:27:33,388 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 14:27:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 14:27:33,388 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 14:27:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_send_pdu [2022-07-12 14:27:33,388 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_send_pdu [2022-07-12 14:27:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ring_dbell_update_sq_params [2022-07-12 14:27:33,389 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ring_dbell_update_sq_params [2022-07-12 14:27:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2022-07-12 14:27:33,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2022-07-12 14:27:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 14:27:33,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 14:27:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_iscsi_unmap_sg_list [2022-07-12 14:27:33,389 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_iscsi_unmap_sg_list [2022-07-12 14:27:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-12 14:27:33,390 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-12 14:27:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_release_free_cid_que [2022-07-12 14:27:33,390 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_release_free_cid_que [2022-07-12 14:27:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:27:33,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:27:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:27:33,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:27:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_set_param [2022-07-12 14:27:33,391 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_set_param [2022-07-12 14:27:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-12 14:27:33,391 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-12 14:27:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-12 14:27:33,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-12 14:27:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 14:27:33,391 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 14:27:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_qp_resc [2022-07-12 14:27:33,391 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_qp_resc [2022-07-12 14:27:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_destroy [2022-07-12 14:27:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_destroy [2022-07-12 14:27:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_dev_to_hba [2022-07-12 14:27:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_dev_to_hba [2022-07-12 14:27:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_connect [2022-07-12 14:27:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_connect [2022-07-12 14:27:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 14:27:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 14:27:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_task_has_unsol_data [2022-07-12 14:27:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_task_has_unsol_data [2022-07-12 14:27:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:27:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-12 14:27:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-12 14:27:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_cid_num [2022-07-12 14:27:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_cid_num [2022-07-12 14:27:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_hw_ep_disconnect [2022-07-12 14:27:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_hw_ep_disconnect [2022-07-12 14:27:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2022-07-12 14:27:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2022-07-12 14:27:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:27:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_create [2022-07-12 14:27:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_create [2022-07-12 14:27:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_ofld_list_del [2022-07-12 14:27:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_ofld_list_del [2022-07-12 14:27:33,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:27:33,395 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2022-07-12 14:27:33,395 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2022-07-12 14:27:33,395 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 14:27:33,395 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_host_get_param [2022-07-12 14:27:33,395 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_host_get_param [2022-07-12 14:27:33,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 14:27:33,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 14:27:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 14:27:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-12 14:27:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-12 14:27:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_setup_cmd_wqe_template [2022-07-12 14:27:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_setup_cmd_wqe_template [2022-07-12 14:27:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2022-07-12 14:27:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2022-07-12 14:27:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_cleanup_task [2022-07-12 14:27:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_cleanup_task [2022-07-12 14:27:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_nl_set_path [2022-07-12 14:27:33,397 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_nl_set_path [2022-07-12 14:27:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_chip_cleanup [2022-07-12 14:27:33,397 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_chip_cleanup [2022-07-12 14:27:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_poll [2022-07-12 14:27:33,397 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_poll [2022-07-12 14:27:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_arm_cq_event_coalescing [2022-07-12 14:27:33,397 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_arm_cq_event_coalescing [2022-07-12 14:27:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 14:27:33,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 14:27:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 14:27:33,398 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 14:27:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-07-12 14:27:33,398 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-07-12 14:27:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-12 14:27:33,398 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-12 14:27:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 14:27:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure flush_signals [2022-07-12 14:27:33,399 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_signals [2022-07-12 14:27:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-12 14:27:33,399 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-12 14:27:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 14:27:33,399 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 14:27:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:27:33,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:27:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 14:27:33,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 14:27:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 14:27:33,400 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 14:27:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 14:27:33,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 14:27:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 14:27:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-12 14:27:33,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-12 14:27:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 14:27:33,401 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 14:27:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 14:27:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-12 14:27:33,401 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-12 14:27:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-12 14:27:33,401 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-12 14:27:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 14:27:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:27:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 14:27:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:27:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_recovery_que_add_conn [2022-07-12 14:27:33,402 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_recovery_que_add_conn [2022-07-12 14:27:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:27:33,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:27:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 14:27:33,402 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 14:27:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_attr_is_visible [2022-07-12 14:27:33,403 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_attr_is_visible [2022-07-12 14:27:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-12 14:27:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-12 14:27:33,403 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-12 14:27:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-07-12 14:27:33,403 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-07-12 14:27:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_scsi_cmd_resp [2022-07-12 14:27:33,403 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_scsi_cmd_resp [2022-07-12 14:27:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_destroy_cmd_pool [2022-07-12 14:27:33,404 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_destroy_cmd_pool [2022-07-12 14:27:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-12 14:27:33,404 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-12 14:27:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 14:27:33,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 14:27:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 14:27:33,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 14:27:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2022-07-12 14:27:33,404 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2022-07-12 14:27:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 14:27:33,405 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 14:27:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:27:33,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:27:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_device_reset [2022-07-12 14:27:33,405 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_device_reset [2022-07-12 14:27:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 14:27:33,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 14:27:33,406 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_get_stats [2022-07-12 14:27:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_get_stats [2022-07-12 14:27:33,406 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 14:27:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 14:27:33,406 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2022-07-12 14:27:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2022-07-12 14:27:33,406 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2022-07-12 14:27:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2022-07-12 14:27:33,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:27:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 14:27:33,407 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 14:27:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:27:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 14:27:33,407 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 14:27:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-12 14:27:33,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-12 14:27:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_itt_to_task [2022-07-12 14:27:33,407 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_itt_to_task [2022-07-12 14:27:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-07-12 14:27:33,408 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-07-12 14:27:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_write_cmd_bd_idx [2022-07-12 14:27:33,408 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_write_cmd_bd_idx [2022-07-12 14:27:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2022-07-12 14:27:33,408 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2022-07-12 14:27:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 14:27:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 14:27:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 14:27:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 14:27:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:27:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_bind [2022-07-12 14:27:33,409 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_bind [2022-07-12 14:27:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 14:27:33,409 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 14:27:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-12 14:27:33,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-12 14:27:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_new_cqes [2022-07-12 14:27:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_new_cqes [2022-07-12 14:27:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 14:27:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 14:27:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 14:27:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 14:27:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_ep [2022-07-12 14:27:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_ep [2022-07-12 14:27:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_start [2022-07-12 14:27:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_start [2022-07-12 14:27:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_find_hba_for_cnic [2022-07-12 14:27:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_find_hba_for_cnic [2022-07-12 14:27:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 14:27:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 14:27:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_hba [2022-07-12 14:27:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_hba [2022-07-12 14:27:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2022-07-12 14:27:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2022-07-12 14:27:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_mp_bdt [2022-07-12 14:27:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_mp_bdt [2022-07-12 14:27:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 14:27:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 14:27:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 14:27:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 14:27:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_destroy [2022-07-12 14:27:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_destroy [2022-07-12 14:27:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 14:27:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 14:27:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 14:27:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 14:27:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_rq_buf [2022-07-12 14:27:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_rq_buf [2022-07-12 14:27:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:27:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:27:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-07-12 14:27:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-07-12 14:27:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 14:27:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 14:27:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 14:27:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 14:27:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:27:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:27:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-07-12 14:27:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-07-12 14:27:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 14:27:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 14:27:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 14:27:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 14:27:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_abort [2022-07-12 14:27:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_abort [2022-07-12 14:27:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 14:27:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 14:27:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-12 14:27:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-12 14:27:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-07-12 14:27:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-07-12 14:27:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 14:27:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 14:27:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 14:27:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 14:27:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2022-07-12 14:27:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2022-07-12 14:27:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_create [2022-07-12 14:27:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_create [2022-07-12 14:27:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2022-07-12 14:27:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2022-07-12 14:27:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_fw_iscsi_init_msg [2022-07-12 14:27:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_fw_iscsi_init_msg [2022-07-12 14:27:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 14:27:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 14:27:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 14:27:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 14:27:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 14:27:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 14:27:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-12 14:27:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-12 14:27:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_conn_from_id [2022-07-12 14:27:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_conn_from_id [2022-07-12 14:27:34,340 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:27:34,344 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:27:34,936 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:30:06,643 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:30:06,660 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:30:06,661 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 14:30:06,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:30:06 BoogieIcfgContainer [2022-07-12 14:30:06,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:30:06,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:30:06,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:30:06,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:30:06,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:27:27" (1/3) ... [2022-07-12 14:30:06,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c03460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:30:06, skipping insertion in model container [2022-07-12 14:30:06,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:27:32" (2/3) ... [2022-07-12 14:30:06,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c03460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:30:06, skipping insertion in model container [2022-07-12 14:30:06,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:30:06" (3/3) ... [2022-07-12 14:30:06,670 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2022-07-12 14:30:06,679 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:30:06,680 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:30:06,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:30:06,757 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@3cf7f550, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7599512c [2022-07-12 14:30:06,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:30:06,766 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) [2022-07-12 14:30:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-12 14:30:06,811 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:30:06,812 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] [2022-07-12 14:30:06,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:30:06,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:30:06,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1847489212, now seen corresponding path program 1 times [2022-07-12 14:30:06,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:30:06,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105737903] [2022-07-12 14:30:06,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:30:06,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:30:06,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:30:06,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:30:06,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 14:30:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:30:08,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 14:30:08,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:30:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-07-12 14:30:08,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:30:08,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:30:08,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105737903] [2022-07-12 14:30:08,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [105737903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:30:08,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:30:08,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 14:30:08,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19745633] [2022-07-12 14:30:08,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:30:08,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 14:30:08,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:30:08,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 14:30:08,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 14:30:08,596 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) [2022-07-12 14:30:08,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:30:08,720 INFO L93 Difference]: Finished difference Result 6335 states and 9375 transitions. [2022-07-12 14:30:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 14:30:08,722 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 [2022-07-12 14:30:08,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:30:08,742 INFO L225 Difference]: With dead ends: 6335 [2022-07-12 14:30:08,742 INFO L226 Difference]: Without dead ends: 3124 [2022-07-12 14:30:08,756 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 [2022-07-12 14:30:08,758 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 [2022-07-12 14:30:08,759 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] [2022-07-12 14:30:08,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3124 states. [2022-07-12 14:30:08,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3124 to 3124. [2022-07-12 14:30:08,864 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) [2022-07-12 14:30:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 4537 transitions. [2022-07-12 14:30:08,881 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 4537 transitions. Word has length 341 [2022-07-12 14:30:08,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:30:08,882 INFO L495 AbstractCegarLoop]: Abstraction has 3124 states and 4537 transitions. [2022-07-12 14:30:08,882 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) [2022-07-12 14:30:08,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 4537 transitions. [2022-07-12 14:30:08,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-12 14:30:08,892 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:30:08,892 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] [2022-07-12 14:30:08,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 14:30:09,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:30:09,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:30:09,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:30:09,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1805602088, now seen corresponding path program 1 times [2022-07-12 14:30:09,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:30:09,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283340538] [2022-07-12 14:30:09,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:30:09,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:30:09,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:30:09,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:30:09,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 14:30:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:30:10,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 14:30:10,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:30:11,582 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-07-12 14:30:11,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:30:11,583 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:30:11,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283340538] [2022-07-12 14:30:11,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283340538] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:30:11,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:30:11,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:30:11,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986652344] [2022-07-12 14:30:11,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:30:11,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:30:11,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:30:11,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:30:11,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:30:11,587 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) [2022-07-12 14:30:16,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:30:16,430 INFO L93 Difference]: Finished difference Result 6246 states and 9152 transitions. [2022-07-12 14:30:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 14:30:16,434 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 [2022-07-12 14:30:16,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:30:16,455 INFO L225 Difference]: With dead ends: 6246 [2022-07-12 14:30:16,456 INFO L226 Difference]: Without dead ends: 3127 [2022-07-12 14:30:16,469 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 [2022-07-12 14:30:16,469 INFO L413 NwaCegarLoop]: 4502 mSDtfsCounter, 6 mSDsluCounter, 17919 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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, 4.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:30:16,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22421 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-12 14:30:16,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2022-07-12 14:30:16,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 3127. [2022-07-12 14:30:16,526 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) [2022-07-12 14:30:16,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 3127 states and 4545 transitions. [2022-07-12 14:30:16,545 INFO L78 Accepts]: Start accepts. Automaton has 3127 states and 4545 transitions. Word has length 341 [2022-07-12 14:30:16,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:30:16,545 INFO L495 AbstractCegarLoop]: Abstraction has 3127 states and 4545 transitions. [2022-07-12 14:30:16,546 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) [2022-07-12 14:30:16,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 4545 transitions. [2022-07-12 14:30:16,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-12 14:30:16,556 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:30:16,557 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] [2022-07-12 14:30:16,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 14:30:16,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:30:16,780 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:30:16,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:30:16,781 INFO L85 PathProgramCache]: Analyzing trace with hash -250495296, now seen corresponding path program 1 times [2022-07-12 14:30:16,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:30:16,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016980432] [2022-07-12 14:30:16,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:30:16,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:30:16,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:30:16,784 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:30:16,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 14:30:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:30:18,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 14:30:18,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:30:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 284 proven. 1 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2022-07-12 14:30:19,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:30:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 2 proven. 51 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2022-07-12 14:30:22,311 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:30:22,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016980432] [2022-07-12 14:30:22,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016980432] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:30:22,312 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:30:22,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-12 14:30:22,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302209124] [2022-07-12 14:30:22,312 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:30:22,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 14:30:22,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:30:22,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 14:30:22,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:30:22,315 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) [2022-07-12 14:30:30,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:30:30,857 INFO L93 Difference]: Finished difference Result 6257 states and 9174 transitions. [2022-07-12 14:30:30,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 14:30:30,858 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 [2022-07-12 14:30:30,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:30:30,890 INFO L225 Difference]: With dead ends: 6257 [2022-07-12 14:30:30,891 INFO L226 Difference]: Without dead ends: 3135 [2022-07-12 14:30:30,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:30:30,903 INFO L413 NwaCegarLoop]: 4504 mSDtfsCounter, 12 mSDsluCounter, 31344 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 35848 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:30:30,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 35848 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-07-12 14:30:30,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2022-07-12 14:30:30,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 3133. [2022-07-12 14:30:30,961 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) [2022-07-12 14:30:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 4552 transitions. [2022-07-12 14:30:30,975 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 4552 transitions. Word has length 365 [2022-07-12 14:30:30,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:30:30,976 INFO L495 AbstractCegarLoop]: Abstraction has 3133 states and 4552 transitions. [2022-07-12 14:30:30,977 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) [2022-07-12 14:30:30,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 4552 transitions. [2022-07-12 14:30:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-07-12 14:30:30,986 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:30:30,986 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] [2022-07-12 14:30:31,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 14:30:31,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:30:31,212 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:30:31,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:30:31,212 INFO L85 PathProgramCache]: Analyzing trace with hash 128570920, now seen corresponding path program 1 times [2022-07-12 14:30:31,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:30:31,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956832604] [2022-07-12 14:30:31,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:30:31,214 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:30:31,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:30:31,216 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:30:31,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 14:30:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:30:33,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 2282 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 14:30:33,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:30:34,169 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 309 proven. 3 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2022-07-12 14:30:34,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:30:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2022-07-12 14:30:37,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:30:37,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956832604] [2022-07-12 14:30:37,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [956832604] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:30:37,831 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:30:37,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-12 14:30:37,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216042452] [2022-07-12 14:30:37,832 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:30:37,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 14:30:37,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:30:37,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 14:30:37,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-12 14:30:37,839 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) [2022-07-12 14:30:46,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:30:46,203 INFO L93 Difference]: Finished difference Result 6275 states and 9202 transitions. [2022-07-12 14:30:46,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 14:30:46,204 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 [2022-07-12 14:30:46,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:30:46,218 INFO L225 Difference]: With dead ends: 6275 [2022-07-12 14:30:46,218 INFO L226 Difference]: Without dead ends: 3147 [2022-07-12 14:30:46,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-12 14:30:46,229 INFO L413 NwaCegarLoop]: 4507 mSDtfsCounter, 30 mSDsluCounter, 17909 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s 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, 7.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:30:46,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 22416 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-07-12 14:30:46,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2022-07-12 14:30:46,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 3145. [2022-07-12 14:30:46,291 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) [2022-07-12 14:30:46,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 3145 states and 4571 transitions. [2022-07-12 14:30:46,363 INFO L78 Accepts]: Start accepts. Automaton has 3145 states and 4571 transitions. Word has length 353 [2022-07-12 14:30:46,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:30:46,364 INFO L495 AbstractCegarLoop]: Abstraction has 3145 states and 4571 transitions. [2022-07-12 14:30:46,365 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) [2022-07-12 14:30:46,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 4571 transitions. [2022-07-12 14:30:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-12 14:30:46,379 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:30:46,380 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] [2022-07-12 14:30:46,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 14:30:46,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:30:46,600 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:30:46,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:30:46,601 INFO L85 PathProgramCache]: Analyzing trace with hash -695368782, now seen corresponding path program 2 times [2022-07-12 14:30:46,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:30:46,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114372849] [2022-07-12 14:30:46,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:30:46,602 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:30:46,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:30:46,604 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:30:46,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 14:30:47,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:30:47,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:30:47,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 14:30:47,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:30:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2022-07-12 14:30:48,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:30:48,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:30:48,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114372849] [2022-07-12 14:30:48,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114372849] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:30:48,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:30:48,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:30:48,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077583851] [2022-07-12 14:30:48,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:30:48,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:30:48,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:30:48,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:30:48,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:30:48,634 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) [2022-07-12 14:30:49,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:30:49,151 INFO L93 Difference]: Finished difference Result 7255 states and 10717 transitions. [2022-07-12 14:30:49,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:30:49,152 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 [2022-07-12 14:30:49,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:30:49,169 INFO L225 Difference]: With dead ends: 7255 [2022-07-12 14:30:49,170 INFO L226 Difference]: Without dead ends: 4119 [2022-07-12 14:30:49,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:30:49,178 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 [2022-07-12 14:30:49,179 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] [2022-07-12 14:30:49,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4119 states. [2022-07-12 14:30:49,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4119 to 3149. [2022-07-12 14:30:49,294 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) [2022-07-12 14:30:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 4578 transitions. [2022-07-12 14:30:49,302 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 4578 transitions. Word has length 375 [2022-07-12 14:30:49,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:30:49,304 INFO L495 AbstractCegarLoop]: Abstraction has 3149 states and 4578 transitions. [2022-07-12 14:30:49,304 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) [2022-07-12 14:30:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 4578 transitions. [2022-07-12 14:30:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-12 14:30:49,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:30:49,311 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] [2022-07-12 14:30:49,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 14:30:49,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:30:49,536 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:30:49,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:30:49,536 INFO L85 PathProgramCache]: Analyzing trace with hash 35317089, now seen corresponding path program 1 times [2022-07-12 14:30:49,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:30:49,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916693773] [2022-07-12 14:30:49,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:30:49,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:30:49,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:30:49,552 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:30:49,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 14:30:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:30:51,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 2328 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 14:30:51,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:30:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 336 proven. 6 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2022-07-12 14:30:52,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:30:57,814 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:30:57,823 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:30:57,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916693773] [2022-07-12 14:30:57,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916693773] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:30:57,823 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:30:57,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-12 14:30:57,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256048323] [2022-07-12 14:30:57,824 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:30:57,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-12 14:30:57,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:30:57,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-12 14:30:57,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:30:57,825 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) [2022-07-12 14:31:10,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:31:10,584 INFO L93 Difference]: Finished difference Result 6301 states and 9239 transitions. [2022-07-12 14:31:10,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 14:31:10,584 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 [2022-07-12 14:31:10,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:31:10,616 INFO L225 Difference]: With dead ends: 6301 [2022-07-12 14:31:10,617 INFO L226 Difference]: Without dead ends: 3154 [2022-07-12 14:31:10,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-12 14:31:10,626 INFO L413 NwaCegarLoop]: 4508 mSDtfsCounter, 33 mSDsluCounter, 31386 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 35894 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:31:10,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 35894 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2022-07-12 14:31:10,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2022-07-12 14:31:10,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3150. [2022-07-12 14:31:10,708 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) [2022-07-12 14:31:10,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4580 transitions. [2022-07-12 14:31:10,716 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4580 transitions. Word has length 358 [2022-07-12 14:31:10,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:31:10,716 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4580 transitions. [2022-07-12 14:31:10,716 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) [2022-07-12 14:31:10,717 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4580 transitions. [2022-07-12 14:31:10,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-07-12 14:31:10,722 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:31:10,722 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] [2022-07-12 14:31:10,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 14:31:10,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:31:10,944 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:31:10,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:31:10,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1351498411, now seen corresponding path program 1 times [2022-07-12 14:31:10,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:31:10,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2024490568] [2022-07-12 14:31:10,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:31:10,946 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:31:10,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:31:10,952 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) [2022-07-12 14:31:10,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 14:31:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:31:12,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 2436 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 14:31:12,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:31:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 369 proven. 10 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2022-07-12 14:31:14,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:31:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 2 proven. 145 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2022-07-12 14:31:20,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:31:20,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2024490568] [2022-07-12 14:31:20,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2024490568] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:31:20,294 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:31:20,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-12 14:31:20,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137234224] [2022-07-12 14:31:20,294 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:31:20,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-12 14:31:20,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:31:20,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-12 14:31:20,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-12 14:31:20,295 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) [2022-07-12 14:31:38,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:31:38,602 INFO L93 Difference]: Finished difference Result 6308 states and 9258 transitions. [2022-07-12 14:31:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 14:31:38,603 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 380 [2022-07-12 14:31:38,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:31:38,613 INFO L225 Difference]: With dead ends: 6308 [2022-07-12 14:31:38,614 INFO L226 Difference]: Without dead ends: 3163 [2022-07-12 14:31:38,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 764 GetRequests, 743 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-12 14:31:38,622 INFO L413 NwaCegarLoop]: 4507 mSDtfsCounter, 36 mSDsluCounter, 49311 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 53818 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:31:38,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 53818 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 16.7s Time] [2022-07-12 14:31:38,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3163 states. [2022-07-12 14:31:38,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3163 to 3159. [2022-07-12 14:31:38,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3159 states, 2219 states have (on average 1.3573681838666065) internal successors, (3012), 2271 states have internal predecessors, (3012), 784 states have call successors, (784), 154 states have call predecessors, (784), 155 states have return successors, (802), 774 states have call predecessors, (802), 783 states have call successors, (802) [2022-07-12 14:31:38,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 3159 states and 4598 transitions. [2022-07-12 14:31:38,689 INFO L78 Accepts]: Start accepts. Automaton has 3159 states and 4598 transitions. Word has length 380 [2022-07-12 14:31:38,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:31:38,690 INFO L495 AbstractCegarLoop]: Abstraction has 3159 states and 4598 transitions. [2022-07-12 14:31:38,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-12 14:31:38,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 4598 transitions. [2022-07-12 14:31:38,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-12 14:31:38,696 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:31:38,696 INFO L195 NwaCegarLoop]: trace histogram [22, 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] [2022-07-12 14:31:38,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 14:31:38,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:31:38,920 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:31:38,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:31:38,920 INFO L85 PathProgramCache]: Analyzing trace with hash 939141651, now seen corresponding path program 2 times [2022-07-12 14:31:38,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:31:38,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265599963] [2022-07-12 14:31:38,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:31:38,922 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:31:38,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:31:38,923 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:31:38,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 14:31:40,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:31:40,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:31:40,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 14:31:40,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:31:40,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-07-12 14:31:40,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:31:40,817 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:31:40,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265599963] [2022-07-12 14:31:40,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1265599963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:31:40,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:31:40,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:31:40,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631108151] [2022-07-12 14:31:40,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:31:40,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:31:40,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:31:40,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:31:40,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:31:40,818 INFO L87 Difference]: Start difference. First operand 3159 states and 4598 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-07-12 14:31:41,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:31:41,613 INFO L93 Difference]: Finished difference Result 3179 states and 4622 transitions. [2022-07-12 14:31:41,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 14:31:41,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 382 [2022-07-12 14:31:41,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:31:41,623 INFO L225 Difference]: With dead ends: 3179 [2022-07-12 14:31:41,623 INFO L226 Difference]: Without dead ends: 3176 [2022-07-12 14:31:41,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:31:41,624 INFO L413 NwaCegarLoop]: 4537 mSDtfsCounter, 20 mSDsluCounter, 18133 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 22670 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:31:41,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 22670 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 14:31:41,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2022-07-12 14:31:41,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 3176. [2022-07-12 14:31:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3176 states, 2229 states have (on average 1.3562135486765365) internal successors, (3023), 2281 states have internal predecessors, (3023), 789 states have call successors, (789), 156 states have call predecessors, (789), 157 states have return successors, (807), 779 states have call predecessors, (807), 788 states have call successors, (807) [2022-07-12 14:31:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 4619 transitions. [2022-07-12 14:31:41,677 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 4619 transitions. Word has length 382 [2022-07-12 14:31:41,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:31:41,677 INFO L495 AbstractCegarLoop]: Abstraction has 3176 states and 4619 transitions. [2022-07-12 14:31:41,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-07-12 14:31:41,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 4619 transitions. [2022-07-12 14:31:41,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-12 14:31:41,683 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:31:41,683 INFO L195 NwaCegarLoop]: trace histogram [22, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:31:41,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-12 14:31:41,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:31:41,899 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:31:41,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:31:41,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1573335117, now seen corresponding path program 1 times [2022-07-12 14:31:41,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:31:41,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369462196] [2022-07-12 14:31:41,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:31:41,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:31:41,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:31:41,903 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:31:41,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 14:31:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:31:45,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 4702 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-12 14:31:45,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:31:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 396 proven. 15 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2022-07-12 14:31:47,305 INFO L328 TraceCheckSpWp]: Computing backward predicates...