./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 eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-eb692b5 [2022-07-20 01:30:12,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:30:12,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:30:12,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:30:12,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:30:12,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:30:12,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:30:12,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:30:12,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:30:12,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:30:12,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:30:12,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:30:12,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:30:12,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:30:12,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:30:12,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:30:12,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:30:12,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:30:12,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:30:12,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:30:12,085 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:30:12,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:30:12,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:30:12,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:30:12,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:30:12,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:30:12,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:30:12,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:30:12,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:30:12,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:30:12,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:30:12,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:30:12,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:30:12,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:30:12,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:30:12,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:30:12,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:30:12,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:30:12,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:30:12,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:30:12,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:30:12,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:30:12,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:30:12,132 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:30:12,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:30:12,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:30:12,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:30:12,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:30:12,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:30:12,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:30:12,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:30:12,134 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:30:12,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:30:12,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:30:12,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:30:12,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:30:12,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:30:12,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:30:12,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:30:12,136 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:30:12,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:30:12,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:30:12,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:30:12,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:30:12,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:30:12,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:30:12,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:30:12,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:30:12,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:30:12,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:30:12,138 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:30:12,138 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:30:12,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:30:12,139 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2022-07-20 01:30:12,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:30:12,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:30:12,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:30:12,342 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:30:12,343 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:30:12,344 INFO L432 ainManager$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 [2022-07-20 01:30:12,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a094eae/2dc14b3f4f7149ada2cb7b708e073ec2/FLAG81fde92e8 [2022-07-20 01:30:13,134 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:30:13,135 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 [2022-07-20 01:30:13,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a094eae/2dc14b3f4f7149ada2cb7b708e073ec2/FLAG81fde92e8 [2022-07-20 01:30:13,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a094eae/2dc14b3f4f7149ada2cb7b708e073ec2 [2022-07-20 01:30:13,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:30:13,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:30:13,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:30:13,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:30:13,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:30:13,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:30:13" (1/1) ... [2022-07-20 01:30:13,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607bdc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:13, skipping insertion in model container [2022-07-20 01:30:13,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:30:13" (1/1) ... [2022-07-20 01:30:13,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:30:13,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:30:17,515 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] [2022-07-20 01:30:17,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:30:17,611 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:30:18,106 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) [2022-07-20 01:30:18,112 INFO L158 Benchmark]: Toolchain (without parser) took 4717.20ms. Allocated memory was 115.3MB in the beginning and 289.4MB in the end (delta: 174.1MB). Free memory was 65.2MB in the beginning and 194.8MB in the end (delta: -129.6MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2022-07-20 01:30:18,112 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory was 70.5MB in the beginning and 70.5MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 01:30:18,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4713.63ms. Allocated memory was 115.3MB in the beginning and 289.4MB in the end (delta: 174.1MB). Free memory was 64.9MB in the beginning and 194.8MB in the end (delta: -129.9MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2022-07-20 01:30:18,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory was 70.5MB in the beginning and 70.5MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4713.63ms. Allocated memory was 115.3MB in the beginning and 289.4MB in the end (delta: 174.1MB). Free memory was 64.9MB in the beginning and 194.8MB in the end (delta: -129.9MB). Peak memory consumption was 121.4MB. 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-?-eb692b5 [2022-07-20 01:30:20,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:30:20,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:30:20,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:30:20,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:30:20,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:30:20,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:30:20,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:30:20,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:30:20,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:30:20,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:30:20,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:30:20,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:30:20,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:30:20,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:30:20,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:30:20,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:30:20,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:30:20,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:30:20,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:30:20,142 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:30:20,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:30:20,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:30:20,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:30:20,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:30:20,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:30:20,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:30:20,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:30:20,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:30:20,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:30:20,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:30:20,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:30:20,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:30:20,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:30:20,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:30:20,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:30:20,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:30:20,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:30:20,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:30:20,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:30:20,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:30:20,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:30:20,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 01:30:20,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:30:20,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:30:20,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:30:20,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:30:20,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:30:20,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:30:20,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:30:20,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:30:20,212 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:30:20,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:30:20,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:30:20,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:30:20,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:30:20,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:30:20,214 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 01:30:20,214 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 01:30:20,214 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 01:30:20,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:30:20,215 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:30:20,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:30:20,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:30:20,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:30:20,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:30:20,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:30:20,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:30:20,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:30:20,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:30:20,216 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 01:30:20,216 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 01:30:20,216 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:30:20,217 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:30:20,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:30:20,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 01:30:20,217 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2022-07-20 01:30:20,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:30:20,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:30:20,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:30:20,506 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:30:20,507 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:30:20,509 INFO L432 ainManager$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 [2022-07-20 01:30:20,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ed0a92e/0143c01e82db4df0a4293a7bc94531a0/FLAG19d050166 [2022-07-20 01:30:21,413 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:30:21,414 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 [2022-07-20 01:30:21,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ed0a92e/0143c01e82db4df0a4293a7bc94531a0/FLAG19d050166 [2022-07-20 01:30:21,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ed0a92e/0143c01e82db4df0a4293a7bc94531a0 [2022-07-20 01:30:21,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:30:21,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:30:21,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:30:21,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:30:21,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:30:21,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:30:21" (1/1) ... [2022-07-20 01:30:21,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab9f425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:21, skipping insertion in model container [2022-07-20 01:30:21,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:30:21" (1/1) ... [2022-07-20 01:30:21,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:30:21,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:30:25,689 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] [2022-07-20 01:30:25,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:30:25,812 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 01:30:25,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:30:26,222 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] [2022-07-20 01:30:26,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:30:26,249 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:30:26,719 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] [2022-07-20 01:30:26,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:30:26,824 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:30:26,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:26 WrapperNode [2022-07-20 01:30:26,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:30:26,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:30:26,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:30:26,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:30:26,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:26" (1/1) ... [2022-07-20 01:30:26,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:26" (1/1) ... [2022-07-20 01:30:27,079 INFO L137 Inliner]: procedures = 445, calls = 3990, calls flagged for inlining = 188, calls inlined = 182, statements flattened = 9812 [2022-07-20 01:30:27,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:30:27,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:30:27,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:30:27,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:30:27,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:26" (1/1) ... [2022-07-20 01:30:27,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:26" (1/1) ... [2022-07-20 01:30:27,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:26" (1/1) ... [2022-07-20 01:30:27,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:26" (1/1) ... [2022-07-20 01:30:27,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:26" (1/1) ... [2022-07-20 01:30:27,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:26" (1/1) ... [2022-07-20 01:30:27,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:26" (1/1) ... [2022-07-20 01:30:27,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:30:27,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:30:27,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:30:27,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:30:27,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:26" (1/1) ... [2022-07-20 01:30:27,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:30:27,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:30:27,509 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) [2022-07-20 01:30:27,520 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 [2022-07-20 01:30:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 01:30:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 01:30:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_put_rq_buf [2022-07-20 01:30:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_put_rq_buf [2022-07-20 01:30:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-20 01:30:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-20 01:30:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-20 01:30:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_unsol_pdu_adjust_rq [2022-07-20 01:30:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_unsol_pdu_adjust_rq [2022-07-20 01:30:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2022-07-20 01:30:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2022-07-20 01:30:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:30:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:30:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-20 01:30:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-20 01:30:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_active_list_del [2022-07-20 01:30:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_active_list_del [2022-07-20 01:30:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:30:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:30:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-20 01:30:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-20 01:30:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-20 01:30:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-20 01:30:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_create [2022-07-20 01:30:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_create [2022-07-20 01:30:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_destroy [2022-07-20 01:30:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_destroy [2022-07-20 01:30:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 01:30:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 01:30:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_get_param [2022-07-20 01:30:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_get_param [2022-07-20 01:30:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_recover_target [2022-07-20 01:30:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_recover_target [2022-07-20 01:30:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:30:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:30:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_task_xmit [2022-07-20 01:30:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_task_xmit [2022-07-20 01:30:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_adapter_ready [2022-07-20 01:30:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_adapter_ready [2022-07-20 01:30:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_get_param [2022-07-20 01:30:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_get_param [2022-07-20 01:30:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_stats [2022-07-20 01:30:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_stats [2022-07-20 01:30:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_nl_mesg [2022-07-20 01:30:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_nl_mesg [2022-07-20 01:30:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_queuecommand [2022-07-20 01:30:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_queuecommand [2022-07-20 01:30:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:30:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:30:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_iscsi_nopout [2022-07-20 01:30:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_iscsi_nopout [2022-07-20 01:30:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_get_param [2022-07-20 01:30:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_get_param [2022-07-20 01:30:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_tear_down_conn [2022-07-20 01:30:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_tear_down_conn [2022-07-20 01:30:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:30:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_link_state [2022-07-20 01:30:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_link_state [2022-07-20 01:30:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 01:30:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 01:30:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2022-07-20 01:30:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2022-07-20 01:30:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 01:30:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 01:30:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_stop [2022-07-20 01:30:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_stop [2022-07-20 01:30:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-20 01:30:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-20 01:30:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-07-20 01:30:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-07-20 01:30:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 01:30:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 01:30:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-20 01:30:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-20 01:30:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-20 01:30:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-20 01:30:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_send_pdu [2022-07-20 01:30:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_send_pdu [2022-07-20 01:30:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ring_dbell_update_sq_params [2022-07-20 01:30:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ring_dbell_update_sq_params [2022-07-20 01:30:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2022-07-20 01:30:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2022-07-20 01:30:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 01:30:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 01:30:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_iscsi_unmap_sg_list [2022-07-20 01:30:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_iscsi_unmap_sg_list [2022-07-20 01:30:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-20 01:30:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-20 01:30:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_release_free_cid_que [2022-07-20 01:30:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_release_free_cid_que [2022-07-20 01:30:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:30:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:30:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:30:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:30:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_set_param [2022-07-20 01:30:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_set_param [2022-07-20 01:30:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-20 01:30:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-20 01:30:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-20 01:30:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-20 01:30:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 01:30:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 01:30:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_qp_resc [2022-07-20 01:30:27,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_qp_resc [2022-07-20 01:30:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_destroy [2022-07-20 01:30:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_destroy [2022-07-20 01:30:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_dev_to_hba [2022-07-20 01:30:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_dev_to_hba [2022-07-20 01:30:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_connect [2022-07-20 01:30:27,555 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_connect [2022-07-20 01:30:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:30:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:30:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_task_has_unsol_data [2022-07-20 01:30:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_task_has_unsol_data [2022-07-20 01:30:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:30:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-20 01:30:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-20 01:30:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_cid_num [2022-07-20 01:30:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_cid_num [2022-07-20 01:30:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_hw_ep_disconnect [2022-07-20 01:30:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_hw_ep_disconnect [2022-07-20 01:30:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2022-07-20 01:30:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2022-07-20 01:30:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:30:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_create [2022-07-20 01:30:27,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_create [2022-07-20 01:30:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_ofld_list_del [2022-07-20 01:30:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_ofld_list_del [2022-07-20 01:30:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:30:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2022-07-20 01:30:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2022-07-20 01:30:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 01:30:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_host_get_param [2022-07-20 01:30:27,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_host_get_param [2022-07-20 01:30:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 01:30:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 01:30:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 01:30:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-20 01:30:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-20 01:30:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_setup_cmd_wqe_template [2022-07-20 01:30:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_setup_cmd_wqe_template [2022-07-20 01:30:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2022-07-20 01:30:27,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2022-07-20 01:30:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_cleanup_task [2022-07-20 01:30:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_cleanup_task [2022-07-20 01:30:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_nl_set_path [2022-07-20 01:30:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_nl_set_path [2022-07-20 01:30:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_chip_cleanup [2022-07-20 01:30:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_chip_cleanup [2022-07-20 01:30:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_poll [2022-07-20 01:30:27,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_poll [2022-07-20 01:30:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_arm_cq_event_coalescing [2022-07-20 01:30:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_arm_cq_event_coalescing [2022-07-20 01:30:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 01:30:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 01:30:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 01:30:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 01:30:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-07-20 01:30:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-07-20 01:30:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-20 01:30:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-20 01:30:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 01:30:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure flush_signals [2022-07-20 01:30:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_signals [2022-07-20 01:30:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-20 01:30:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-20 01:30:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 01:30:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 01:30:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:30:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:30:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-20 01:30:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-20 01:30:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 01:30:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 01:30:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 01:30:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 01:30:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 01:30:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-20 01:30:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-20 01:30:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 01:30:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 01:30:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 01:30:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-20 01:30:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-20 01:30:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-20 01:30:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-20 01:30:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 01:30:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:30:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 01:30:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:30:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_recovery_que_add_conn [2022-07-20 01:30:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_recovery_que_add_conn [2022-07-20 01:30:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:30:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:30:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-20 01:30:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-20 01:30:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_attr_is_visible [2022-07-20 01:30:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_attr_is_visible [2022-07-20 01:30:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-20 01:30:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-20 01:30:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-20 01:30:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-07-20 01:30:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-07-20 01:30:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_scsi_cmd_resp [2022-07-20 01:30:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_scsi_cmd_resp [2022-07-20 01:30:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_destroy_cmd_pool [2022-07-20 01:30:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_destroy_cmd_pool [2022-07-20 01:30:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-20 01:30:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-20 01:30:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 01:30:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 01:30:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:30:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:30:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2022-07-20 01:30:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2022-07-20 01:30:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 01:30:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 01:30:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:30:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:30:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_device_reset [2022-07-20 01:30:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_device_reset [2022-07-20 01:30:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:30:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:30:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_get_stats [2022-07-20 01:30:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_get_stats [2022-07-20 01:30:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-20 01:30:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-20 01:30:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2022-07-20 01:30:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2022-07-20 01:30:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2022-07-20 01:30:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2022-07-20 01:30:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:30:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 01:30:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 01:30:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:30:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-20 01:30:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-20 01:30:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-20 01:30:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-20 01:30:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_itt_to_task [2022-07-20 01:30:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_itt_to_task [2022-07-20 01:30:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-07-20 01:30:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-07-20 01:30:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_write_cmd_bd_idx [2022-07-20 01:30:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_write_cmd_bd_idx [2022-07-20 01:30:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2022-07-20 01:30:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2022-07-20 01:30:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 01:30:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 01:30:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 01:30:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 01:30:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:30:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_bind [2022-07-20 01:30:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_bind [2022-07-20 01:30:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 01:30:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 01:30:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 01:30:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 01:30:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_new_cqes [2022-07-20 01:30:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_new_cqes [2022-07-20 01:30:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 01:30:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 01:30:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 01:30:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 01:30:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_ep [2022-07-20 01:30:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_ep [2022-07-20 01:30:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_start [2022-07-20 01:30:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_start [2022-07-20 01:30:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_find_hba_for_cnic [2022-07-20 01:30:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_find_hba_for_cnic [2022-07-20 01:30:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 01:30:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 01:30:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_hba [2022-07-20 01:30:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_hba [2022-07-20 01:30:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2022-07-20 01:30:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2022-07-20 01:30:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_mp_bdt [2022-07-20 01:30:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_mp_bdt [2022-07-20 01:30:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 01:30:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 01:30:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 01:30:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 01:30:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_destroy [2022-07-20 01:30:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_destroy [2022-07-20 01:30:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 01:30:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 01:30:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:30:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:30:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_rq_buf [2022-07-20 01:30:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_rq_buf [2022-07-20 01:30:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:30:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:30:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-07-20 01:30:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-07-20 01:30:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 01:30:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 01:30:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 01:30:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 01:30:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:30:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:30:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-07-20 01:30:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-07-20 01:30:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 01:30:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 01:30:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:30:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:30:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_abort [2022-07-20 01:30:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_abort [2022-07-20 01:30:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 01:30:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 01:30:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-20 01:30:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-20 01:30:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-07-20 01:30:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-07-20 01:30:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 01:30:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 01:30:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 01:30:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 01:30:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2022-07-20 01:30:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2022-07-20 01:30:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_create [2022-07-20 01:30:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_create [2022-07-20 01:30:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2022-07-20 01:30:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2022-07-20 01:30:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_fw_iscsi_init_msg [2022-07-20 01:30:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_fw_iscsi_init_msg [2022-07-20 01:30:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 01:30:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 01:30:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-20 01:30:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-20 01:30:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 01:30:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 01:30:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-20 01:30:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-20 01:30:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_conn_from_id [2022-07-20 01:30:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_conn_from_id [2022-07-20 01:30:28,624 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:30:28,628 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:30:29,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:33:03,342 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:33:03,365 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:33:03,365 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 01:33:03,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:33:03 BoogieIcfgContainer [2022-07-20 01:33:03,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:33:03,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:33:03,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:33:03,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:33:03,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:30:21" (1/3) ... [2022-07-20 01:33:03,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7709bc85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:33:03, skipping insertion in model container [2022-07-20 01:33:03,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:30:26" (2/3) ... [2022-07-20 01:33:03,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7709bc85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:33:03, skipping insertion in model container [2022-07-20 01:33:03,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:33:03" (3/3) ... [2022-07-20 01:33:03,377 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2022-07-20 01:33:03,389 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:33:03,389 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:33:03,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:33:03,472 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@5b1972b9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1249d79d [2022-07-20 01:33:03,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:33:03,484 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) [2022-07-20 01:33:03,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-20 01:33:03,527 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:33:03,528 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] [2022-07-20 01:33:03,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:33:03,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:33:03,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1847489212, now seen corresponding path program 1 times [2022-07-20 01:33:03,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:33:03,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899658041] [2022-07-20 01:33:03,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:33:03,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:33:03,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:33:03,547 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) [2022-07-20 01:33:03,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 01:33:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:33:05,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 01:33:05,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:33:05,370 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-07-20 01:33:05,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:33:05,377 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:33:05,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899658041] [2022-07-20 01:33:05,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899658041] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:33:05,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:33:05,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 01:33:05,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439705328] [2022-07-20 01:33:05,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:33:05,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 01:33:05,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:33:05,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 01:33:05,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 01:33:05,421 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) [2022-07-20 01:33:05,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:33:05,594 INFO L93 Difference]: Finished difference Result 6335 states and 9375 transitions. [2022-07-20 01:33:05,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 01:33:05,596 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 [2022-07-20 01:33:05,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:33:05,629 INFO L225 Difference]: With dead ends: 6335 [2022-07-20 01:33:05,629 INFO L226 Difference]: Without dead ends: 3124 [2022-07-20 01:33:05,651 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 [2022-07-20 01:33:05,655 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 [2022-07-20 01:33:05,660 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] [2022-07-20 01:33:05,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3124 states. [2022-07-20 01:33:05,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3124 to 3124. [2022-07-20 01:33:05,840 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) [2022-07-20 01:33:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 4537 transitions. [2022-07-20 01:33:05,863 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 4537 transitions. Word has length 341 [2022-07-20 01:33:05,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:33:05,866 INFO L495 AbstractCegarLoop]: Abstraction has 3124 states and 4537 transitions. [2022-07-20 01:33:05,866 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) [2022-07-20 01:33:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 4537 transitions. [2022-07-20 01:33:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-20 01:33:05,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:33:05,883 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] [2022-07-20 01:33:05,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-20 01:33:06,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:33:06,099 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:33:06,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:33:06,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1805602088, now seen corresponding path program 1 times [2022-07-20 01:33:06,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:33:06,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997540438] [2022-07-20 01:33:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:33:06,102 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:33:06,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:33:06,103 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) [2022-07-20 01:33:06,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 01:33:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:33:07,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 01:33:07,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:33:08,658 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-07-20 01:33:08,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:33:08,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:33:08,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997540438] [2022-07-20 01:33:08,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997540438] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:33:08,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:33:08,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:33:08,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210841451] [2022-07-20 01:33:08,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:33:08,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:33:08,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:33:08,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:33:08,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:33:08,662 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) [2022-07-20 01:33:13,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:33:13,137 INFO L93 Difference]: Finished difference Result 6246 states and 9152 transitions. [2022-07-20 01:33:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:33:13,138 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 [2022-07-20 01:33:13,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:33:13,154 INFO L225 Difference]: With dead ends: 6246 [2022-07-20 01:33:13,154 INFO L226 Difference]: Without dead ends: 3127 [2022-07-20 01:33:13,168 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 [2022-07-20 01:33:13,168 INFO L413 NwaCegarLoop]: 4502 mSDtfsCounter, 6 mSDsluCounter, 17919 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:33:13,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22421 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-20 01:33:13,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2022-07-20 01:33:13,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 3127. [2022-07-20 01:33:13,233 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) [2022-07-20 01:33:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 3127 states and 4545 transitions. [2022-07-20 01:33:13,247 INFO L78 Accepts]: Start accepts. Automaton has 3127 states and 4545 transitions. Word has length 341 [2022-07-20 01:33:13,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:33:13,248 INFO L495 AbstractCegarLoop]: Abstraction has 3127 states and 4545 transitions. [2022-07-20 01:33:13,248 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) [2022-07-20 01:33:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 4545 transitions. [2022-07-20 01:33:13,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-20 01:33:13,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:33:13,257 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] [2022-07-20 01:33:13,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-20 01:33:13,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:33:13,471 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:33:13,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:33:13,471 INFO L85 PathProgramCache]: Analyzing trace with hash -250495296, now seen corresponding path program 1 times [2022-07-20 01:33:13,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:33:13,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994186731] [2022-07-20 01:33:13,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:33:13,474 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:33:13,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:33:13,483 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) [2022-07-20 01:33:13,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 01:33:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:33:15,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 01:33:15,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:33:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 284 proven. 1 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2022-07-20 01:33:16,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:33:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 2 proven. 51 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2022-07-20 01:33:19,001 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:33:19,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994186731] [2022-07-20 01:33:19,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994186731] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:33:19,001 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:33:19,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 01:33:19,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823978062] [2022-07-20 01:33:19,002 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:33:19,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 01:33:19,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:33:19,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 01:33:19,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 01:33:19,004 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) [2022-07-20 01:33:27,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:33:27,511 INFO L93 Difference]: Finished difference Result 6257 states and 9174 transitions. [2022-07-20 01:33:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 01:33:27,512 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 [2022-07-20 01:33:27,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:33:27,530 INFO L225 Difference]: With dead ends: 6257 [2022-07-20 01:33:27,531 INFO L226 Difference]: Without dead ends: 3135 [2022-07-20 01:33:27,544 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 [2022-07-20 01:33:27,545 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, 7.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:33:27,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 35848 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-07-20 01:33:27,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2022-07-20 01:33:27,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 3133. [2022-07-20 01:33:27,615 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) [2022-07-20 01:33:27,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 4552 transitions. [2022-07-20 01:33:27,626 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 4552 transitions. Word has length 365 [2022-07-20 01:33:27,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:33:27,627 INFO L495 AbstractCegarLoop]: Abstraction has 3133 states and 4552 transitions. [2022-07-20 01:33:27,627 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) [2022-07-20 01:33:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 4552 transitions. [2022-07-20 01:33:27,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-07-20 01:33:27,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:33:27,637 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] [2022-07-20 01:33:27,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:33:27,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:33:27,851 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:33:27,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:33:27,851 INFO L85 PathProgramCache]: Analyzing trace with hash 128570920, now seen corresponding path program 1 times [2022-07-20 01:33:27,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:33:27,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780157511] [2022-07-20 01:33:27,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:33:27,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:33:27,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:33:27,855 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) [2022-07-20 01:33:27,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 01:33:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:33:29,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 2282 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 01:33:29,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:33:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 309 proven. 3 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2022-07-20 01:33:30,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:33:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2022-07-20 01:33:34,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:33:34,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780157511] [2022-07-20 01:33:34,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780157511] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:33:34,302 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:33:34,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-20 01:33:34,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179451057] [2022-07-20 01:33:34,302 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:33:34,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 01:33:34,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:33:34,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 01:33:34,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-20 01:33:34,304 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) [2022-07-20 01:33:42,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:33:42,559 INFO L93 Difference]: Finished difference Result 6275 states and 9202 transitions. [2022-07-20 01:33:42,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 01:33:42,560 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 [2022-07-20 01:33:42,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:33:42,573 INFO L225 Difference]: With dead ends: 6275 [2022-07-20 01:33:42,574 INFO L226 Difference]: Without dead ends: 3147 [2022-07-20 01:33:42,584 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 [2022-07-20 01:33:42,585 INFO L413 NwaCegarLoop]: 4507 mSDtfsCounter, 30 mSDsluCounter, 17909 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 22416 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:33:42,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 22416 Invalid, 532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [106 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-07-20 01:33:42,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2022-07-20 01:33:42,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 3145. [2022-07-20 01:33:42,642 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) [2022-07-20 01:33:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 3145 states and 4571 transitions. [2022-07-20 01:33:42,652 INFO L78 Accepts]: Start accepts. Automaton has 3145 states and 4571 transitions. Word has length 353 [2022-07-20 01:33:42,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:33:42,652 INFO L495 AbstractCegarLoop]: Abstraction has 3145 states and 4571 transitions. [2022-07-20 01:33:42,653 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) [2022-07-20 01:33:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 4571 transitions. [2022-07-20 01:33:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-20 01:33:42,661 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:33:42,661 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] [2022-07-20 01:33:42,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 01:33:42,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:33:42,884 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:33:42,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:33:42,884 INFO L85 PathProgramCache]: Analyzing trace with hash -695368782, now seen corresponding path program 2 times [2022-07-20 01:33:42,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:33:42,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856856984] [2022-07-20 01:33:42,886 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:33:42,886 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:33:42,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:33:42,887 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) [2022-07-20 01:33:42,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 01:33:44,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:33:44,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:33:44,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 01:33:44,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:33:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2022-07-20 01:33:44,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:33:44,991 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:33:44,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856856984] [2022-07-20 01:33:44,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856856984] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:33:44,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:33:44,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:33:44,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297715493] [2022-07-20 01:33:44,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:33:44,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:33:44,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:33:44,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:33:44,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:33:44,992 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) [2022-07-20 01:33:45,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:33:45,484 INFO L93 Difference]: Finished difference Result 7255 states and 10717 transitions. [2022-07-20 01:33:45,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:33:45,495 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 [2022-07-20 01:33:45,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:33:45,517 INFO L225 Difference]: With dead ends: 7255 [2022-07-20 01:33:45,517 INFO L226 Difference]: Without dead ends: 4119 [2022-07-20 01:33:45,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:33:45,529 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 [2022-07-20 01:33:45,529 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] [2022-07-20 01:33:45,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4119 states. [2022-07-20 01:33:45,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4119 to 3149. [2022-07-20 01:33:45,609 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) [2022-07-20 01:33:45,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 4578 transitions. [2022-07-20 01:33:45,618 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 4578 transitions. Word has length 375 [2022-07-20 01:33:45,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:33:45,620 INFO L495 AbstractCegarLoop]: Abstraction has 3149 states and 4578 transitions. [2022-07-20 01:33:45,621 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) [2022-07-20 01:33:45,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 4578 transitions. [2022-07-20 01:33:45,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-20 01:33:45,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:33:45,628 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] [2022-07-20 01:33:45,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 01:33:45,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:33:45,844 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:33:45,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:33:45,845 INFO L85 PathProgramCache]: Analyzing trace with hash 35317089, now seen corresponding path program 1 times [2022-07-20 01:33:45,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:33:45,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800675826] [2022-07-20 01:33:45,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:33:45,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:33:45,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:33:45,851 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) [2022-07-20 01:33:45,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 01:33:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:33:47,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 2328 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 01:33:47,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:33:48,907 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 336 proven. 6 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2022-07-20 01:33:48,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:33:53,309 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-20 01:33:53,310 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:33:53,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800675826] [2022-07-20 01:33:53,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800675826] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:33:53,310 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:33:53,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-20 01:33:53,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416367009] [2022-07-20 01:33:53,310 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:33:53,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-20 01:33:53,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:33:53,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-20 01:33:53,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:33:53,311 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) [2022-07-20 01:34:05,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:34:05,381 INFO L93 Difference]: Finished difference Result 6301 states and 9239 transitions. [2022-07-20 01:34:05,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 01:34:05,382 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 [2022-07-20 01:34:05,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:34:05,396 INFO L225 Difference]: With dead ends: 6301 [2022-07-20 01:34:05,396 INFO L226 Difference]: Without dead ends: 3154 [2022-07-20 01:34:05,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-20 01:34:05,408 INFO L413 NwaCegarLoop]: 4508 mSDtfsCounter, 33 mSDsluCounter, 31386 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 35894 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:34:05,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 35894 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2022-07-20 01:34:05,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2022-07-20 01:34:05,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3150. [2022-07-20 01:34:05,468 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) [2022-07-20 01:34:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4580 transitions. [2022-07-20 01:34:05,477 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4580 transitions. Word has length 358 [2022-07-20 01:34:05,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:34:05,478 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4580 transitions. [2022-07-20 01:34:05,478 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) [2022-07-20 01:34:05,478 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4580 transitions. [2022-07-20 01:34:05,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-07-20 01:34:05,485 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:34:05,485 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] [2022-07-20 01:34:05,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 01:34:05,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:34:05,712 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:34:05,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:34:05,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1351498411, now seen corresponding path program 1 times [2022-07-20 01:34:05,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:34:05,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807936510] [2022-07-20 01:34:05,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:34:05,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:34:05,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:34:05,715 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) [2022-07-20 01:34:05,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 01:34:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:34:07,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 2436 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-20 01:34:07,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:34:09,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 369 proven. 10 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2022-07-20 01:34:09,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:34:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 2 proven. 145 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2022-07-20 01:34:14,829 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:34:14,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807936510] [2022-07-20 01:34:14,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807936510] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:34:14,829 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:34:14,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-20 01:34:14,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564569347] [2022-07-20 01:34:14,829 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:34:14,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-20 01:34:14,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:34:14,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-20 01:34:14,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-20 01:34:14,830 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) [2022-07-20 01:34:32,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:34:32,431 INFO L93 Difference]: Finished difference Result 6308 states and 9258 transitions. [2022-07-20 01:34:32,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 01:34:32,433 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 [2022-07-20 01:34:32,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:34:32,452 INFO L225 Difference]: With dead ends: 6308 [2022-07-20 01:34:32,453 INFO L226 Difference]: Without dead ends: 3163 [2022-07-20 01:34:32,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 764 GetRequests, 743 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-20 01:34:32,465 INFO L413 NwaCegarLoop]: 4507 mSDtfsCounter, 36 mSDsluCounter, 49311 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s 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, 16.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:34:32,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 53818 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2022-07-20 01:34:32,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3163 states. [2022-07-20 01:34:32,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3163 to 3159. [2022-07-20 01:34:32,595 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) [2022-07-20 01:34:32,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 3159 states and 4598 transitions. [2022-07-20 01:34:32,612 INFO L78 Accepts]: Start accepts. Automaton has 3159 states and 4598 transitions. Word has length 380 [2022-07-20 01:34:32,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:34:32,627 INFO L495 AbstractCegarLoop]: Abstraction has 3159 states and 4598 transitions. [2022-07-20 01:34:32,628 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) [2022-07-20 01:34:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 4598 transitions. [2022-07-20 01:34:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-20 01:34:32,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:34:32,636 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] [2022-07-20 01:34:32,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 01:34:32,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:34:32,852 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:34:32,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:34:32,852 INFO L85 PathProgramCache]: Analyzing trace with hash 939141651, now seen corresponding path program 2 times [2022-07-20 01:34:32,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:34:32,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902164307] [2022-07-20 01:34:32,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:34:32,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:34:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:34:32,863 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) [2022-07-20 01:34:32,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 01:34:34,322 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:34:34,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:34:34,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 01:34:34,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:34:34,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-07-20 01:34:34,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:34:34,892 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:34:34,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902164307] [2022-07-20 01:34:34,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902164307] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:34:34,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:34:34,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:34:34,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751048185] [2022-07-20 01:34:34,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:34:34,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:34:34,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:34:34,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:34:34,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:34:34,893 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) [2022-07-20 01:34:35,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:34:35,621 INFO L93 Difference]: Finished difference Result 3179 states and 4622 transitions. [2022-07-20 01:34:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:34:35,622 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 [2022-07-20 01:34:35,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:34:35,634 INFO L225 Difference]: With dead ends: 3179 [2022-07-20 01:34:35,634 INFO L226 Difference]: Without dead ends: 3176 [2022-07-20 01:34:35,636 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 [2022-07-20 01:34:35,636 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 [2022-07-20 01:34:35,636 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] [2022-07-20 01:34:35,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2022-07-20 01:34:35,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 3176. [2022-07-20 01:34:35,690 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) [2022-07-20 01:34:35,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 4619 transitions. [2022-07-20 01:34:35,699 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 4619 transitions. Word has length 382 [2022-07-20 01:34:35,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:34:35,699 INFO L495 AbstractCegarLoop]: Abstraction has 3176 states and 4619 transitions. [2022-07-20 01:34:35,700 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) [2022-07-20 01:34:35,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 4619 transitions. [2022-07-20 01:34:35,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-20 01:34:35,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:34:35,706 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] [2022-07-20 01:34:35,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-20 01:34:35,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:34:35,932 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:34:35,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:34:35,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1573335117, now seen corresponding path program 1 times [2022-07-20 01:34:35,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:34:35,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332376552] [2022-07-20 01:34:35,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:34:35,934 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:34:35,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:34:35,936 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) [2022-07-20 01:34:35,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process