./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 35987657 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-?-3598765 [2022-07-21 13:00:53,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:00:53,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:00:53,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:00:53,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:00:53,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:00:53,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:00:53,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:00:53,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:00:53,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:00:53,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:00:53,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:00:53,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:00:53,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:00:53,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:00:53,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:00:53,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:00:53,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:00:53,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:00:53,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:00:53,415 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:00:53,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:00:53,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:00:53,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:00:53,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:00:53,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:00:53,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:00:53,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:00:53,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:00:53,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:00:53,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:00:53,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:00:53,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:00:53,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:00:53,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:00:53,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:00:53,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:00:53,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:00:53,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:00:53,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:00:53,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:00:53,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:00:53,453 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:00:53,490 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:00:53,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:00:53,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:00:53,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:00:53,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:00:53,492 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:00:53,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:00:53,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:00:53,493 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:00:53,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:00:53,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:00:53,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:00:53,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:00:53,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:00:53,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:00:53,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:00:53,494 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:00:53,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:00:53,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:00:53,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:00:53,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:00:53,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:00:53,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:00:53,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:00:53,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:00:53,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:00:53,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:00:53,496 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:00:53,496 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:00:53,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:00:53,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2022-07-21 13:00:53,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:00:53,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:00:53,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:00:53,879 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:00:53,880 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:00:53,882 INFO L432 ainManager$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 [2022-07-21 13:00:53,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ac11656/97d412153b5c436eb8a439f8628b58b2/FLAG34b213356 [2022-07-21 13:00:55,067 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:00:55,068 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 [2022-07-21 13:00:55,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ac11656/97d412153b5c436eb8a439f8628b58b2/FLAG34b213356 [2022-07-21 13:00:55,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ac11656/97d412153b5c436eb8a439f8628b58b2 [2022-07-21 13:00:55,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:00:55,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:00:55,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:00:55,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:00:55,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:00:55,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:00:55" (1/1) ... [2022-07-21 13:00:55,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c95dd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:00:55, skipping insertion in model container [2022-07-21 13:00:55,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:00:55" (1/1) ... [2022-07-21 13:00:55,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:00:55,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:00:59,976 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] [2022-07-21 13:01:00,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:01:00,116 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:01:00,852 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) [2022-07-21 13:01:00,859 INFO L158 Benchmark]: Toolchain (without parser) took 5377.08ms. Allocated memory was 60.8MB in the beginning and 239.1MB in the end (delta: 178.3MB). Free memory was 32.7MB in the beginning and 118.8MB in the end (delta: -86.1MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2022-07-21 13:01:00,860 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 46.1MB. Free memory was 28.5MB in the beginning and 28.5MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 13:01:00,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5375.10ms. Allocated memory was 60.8MB in the beginning and 239.1MB in the end (delta: 178.3MB). Free memory was 32.4MB in the beginning and 118.8MB in the end (delta: -86.4MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2022-07-21 13:01:00,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 46.1MB. Free memory was 28.5MB in the beginning and 28.5MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5375.10ms. Allocated memory was 60.8MB in the beginning and 239.1MB in the end (delta: 178.3MB). Free memory was 32.4MB in the beginning and 118.8MB in the end (delta: -86.4MB). Peak memory consumption was 93.3MB. 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-?-3598765 [2022-07-21 13:01:02,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:01:02,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:01:02,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:01:02,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:01:02,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:01:02,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:01:02,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:01:02,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:01:03,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:01:03,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:01:03,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:01:03,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:01:03,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:01:03,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:01:03,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:01:03,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:01:03,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:01:03,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:01:03,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:01:03,033 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:01:03,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:01:03,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:01:03,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:01:03,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:01:03,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:01:03,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:01:03,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:01:03,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:01:03,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:01:03,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:01:03,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:01:03,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:01:03,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:01:03,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:01:03,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:01:03,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:01:03,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:01:03,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:01:03,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:01:03,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:01:03,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:01:03,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 13:01:03,107 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:01:03,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:01:03,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:01:03,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:01:03,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:01:03,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:01:03,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:01:03,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:01:03,111 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:01:03,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:01:03,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:01:03,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:01:03,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:01:03,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:01:03,113 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 13:01:03,114 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 13:01:03,114 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 13:01:03,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:01:03,114 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:01:03,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:01:03,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:01:03,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:01:03,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:01:03,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:01:03,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:01:03,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:01:03,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:01:03,116 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 13:01:03,117 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 13:01:03,117 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:01:03,117 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:01:03,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:01:03,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 13:01:03,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2022-07-21 13:01:03,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:01:03,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:01:03,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:01:03,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:01:03,507 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:01:03,509 INFO L432 ainManager$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 [2022-07-21 13:01:03,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9e7b3525/fac7bfa614f6468dbcf508e4d9119d3d/FLAG2e2670992 [2022-07-21 13:01:04,653 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:01:04,655 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 [2022-07-21 13:01:04,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9e7b3525/fac7bfa614f6468dbcf508e4d9119d3d/FLAG2e2670992 [2022-07-21 13:01:04,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9e7b3525/fac7bfa614f6468dbcf508e4d9119d3d [2022-07-21 13:01:04,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:01:04,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:01:05,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:01:05,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:01:05,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:01:05,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:01:04" (1/1) ... [2022-07-21 13:01:05,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40778f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:05, skipping insertion in model container [2022-07-21 13:01:05,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:01:04" (1/1) ... [2022-07-21 13:01:05,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:01:05,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:01:09,340 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] [2022-07-21 13:01:09,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:01:09,459 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 13:01:09,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:01:10,042 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] [2022-07-21 13:01:10,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:01:10,092 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:01:10,768 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] [2022-07-21 13:01:10,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:01:10,985 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:01:10,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:10 WrapperNode [2022-07-21 13:01:10,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:01:10,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:01:10,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:01:10,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:01:10,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:10" (1/1) ... [2022-07-21 13:01:11,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:10" (1/1) ... [2022-07-21 13:01:11,360 INFO L137 Inliner]: procedures = 445, calls = 3990, calls flagged for inlining = 188, calls inlined = 182, statements flattened = 9812 [2022-07-21 13:01:11,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:01:11,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:01:11,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:01:11,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:01:11,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:10" (1/1) ... [2022-07-21 13:01:11,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:10" (1/1) ... [2022-07-21 13:01:11,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:10" (1/1) ... [2022-07-21 13:01:11,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:10" (1/1) ... [2022-07-21 13:01:11,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:10" (1/1) ... [2022-07-21 13:01:11,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:10" (1/1) ... [2022-07-21 13:01:11,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:10" (1/1) ... [2022-07-21 13:01:11,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:01:11,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:01:11,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:01:11,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:01:11,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:10" (1/1) ... [2022-07-21 13:01:11,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:01:11,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:01:11,921 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) [2022-07-21 13:01:11,937 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 [2022-07-21 13:01:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 13:01:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 13:01:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_put_rq_buf [2022-07-21 13:01:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_put_rq_buf [2022-07-21 13:01:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-21 13:01:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-21 13:01:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-21 13:01:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_unsol_pdu_adjust_rq [2022-07-21 13:01:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_unsol_pdu_adjust_rq [2022-07-21 13:01:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2022-07-21 13:01:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2022-07-21 13:01:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:01:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:01:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 13:01:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 13:01:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_active_list_del [2022-07-21 13:01:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_active_list_del [2022-07-21 13:01:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:01:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:01:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-07-21 13:01:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-07-21 13:01:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-21 13:01:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-21 13:01:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_create [2022-07-21 13:01:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_create [2022-07-21 13:01:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_destroy [2022-07-21 13:01:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_destroy [2022-07-21 13:01:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 13:01:11,974 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 13:01:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_get_param [2022-07-21 13:01:11,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_get_param [2022-07-21 13:01:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_recover_target [2022-07-21 13:01:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_recover_target [2022-07-21 13:01:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 13:01:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 13:01:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_task_xmit [2022-07-21 13:01:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_task_xmit [2022-07-21 13:01:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_adapter_ready [2022-07-21 13:01:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_adapter_ready [2022-07-21 13:01:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_get_param [2022-07-21 13:01:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_get_param [2022-07-21 13:01:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_stats [2022-07-21 13:01:11,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_stats [2022-07-21 13:01:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_nl_mesg [2022-07-21 13:01:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_nl_mesg [2022-07-21 13:01:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_queuecommand [2022-07-21 13:01:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_queuecommand [2022-07-21 13:01:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:01:11,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:01:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_iscsi_nopout [2022-07-21 13:01:11,979 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_iscsi_nopout [2022-07-21 13:01:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_get_param [2022-07-21 13:01:11,979 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_get_param [2022-07-21 13:01:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_tear_down_conn [2022-07-21 13:01:11,979 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_tear_down_conn [2022-07-21 13:01:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:01:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_link_state [2022-07-21 13:01:11,980 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_link_state [2022-07-21 13:01:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 13:01:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 13:01:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2022-07-21 13:01:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2022-07-21 13:01:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 13:01:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 13:01:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_stop [2022-07-21 13:01:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_stop [2022-07-21 13:01:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-21 13:01:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-21 13:01:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-07-21 13:01:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-07-21 13:01:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 13:01:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 13:01:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 13:01:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 13:01:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-21 13:01:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-21 13:01:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_send_pdu [2022-07-21 13:01:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_send_pdu [2022-07-21 13:01:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ring_dbell_update_sq_params [2022-07-21 13:01:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ring_dbell_update_sq_params [2022-07-21 13:01:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2022-07-21 13:01:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2022-07-21 13:01:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 13:01:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 13:01:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_iscsi_unmap_sg_list [2022-07-21 13:01:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_iscsi_unmap_sg_list [2022-07-21 13:01:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-21 13:01:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-21 13:01:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_release_free_cid_que [2022-07-21 13:01:11,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_release_free_cid_que [2022-07-21 13:01:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 13:01:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 13:01:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 13:01:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 13:01:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_set_param [2022-07-21 13:01:11,988 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_set_param [2022-07-21 13:01:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-21 13:01:11,988 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-21 13:01:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-21 13:01:11,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-21 13:01:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 13:01:11,988 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 13:01:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_qp_resc [2022-07-21 13:01:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_qp_resc [2022-07-21 13:01:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_destroy [2022-07-21 13:01:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_destroy [2022-07-21 13:01:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_dev_to_hba [2022-07-21 13:01:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_dev_to_hba [2022-07-21 13:01:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_connect [2022-07-21 13:01:11,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_connect [2022-07-21 13:01:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 13:01:11,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 13:01:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_task_has_unsol_data [2022-07-21 13:01:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_task_has_unsol_data [2022-07-21 13:01:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:01:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-21 13:01:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-21 13:01:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_cid_num [2022-07-21 13:01:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_cid_num [2022-07-21 13:01:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_hw_ep_disconnect [2022-07-21 13:01:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_hw_ep_disconnect [2022-07-21 13:01:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2022-07-21 13:01:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2022-07-21 13:01:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:01:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_create [2022-07-21 13:01:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_create [2022-07-21 13:01:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_ofld_list_del [2022-07-21 13:01:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_ofld_list_del [2022-07-21 13:01:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:01:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2022-07-21 13:01:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2022-07-21 13:01:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 13:01:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_host_get_param [2022-07-21 13:01:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_host_get_param [2022-07-21 13:01:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 13:01:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 13:01:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 13:01:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-21 13:01:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-21 13:01:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_setup_cmd_wqe_template [2022-07-21 13:01:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_setup_cmd_wqe_template [2022-07-21 13:01:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2022-07-21 13:01:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2022-07-21 13:01:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_cleanup_task [2022-07-21 13:01:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_cleanup_task [2022-07-21 13:01:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_nl_set_path [2022-07-21 13:01:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_nl_set_path [2022-07-21 13:01:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_chip_cleanup [2022-07-21 13:01:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_chip_cleanup [2022-07-21 13:01:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_poll [2022-07-21 13:01:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_poll [2022-07-21 13:01:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_arm_cq_event_coalescing [2022-07-21 13:01:12,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_arm_cq_event_coalescing [2022-07-21 13:01:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 13:01:12,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 13:01:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 13:01:12,006 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 13:01:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-07-21 13:01:12,006 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-07-21 13:01:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-21 13:01:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-21 13:01:12,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 13:01:12,007 INFO L130 BoogieDeclarations]: Found specification of procedure flush_signals [2022-07-21 13:01:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_signals [2022-07-21 13:01:12,007 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-21 13:01:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-21 13:01:12,007 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-21 13:01:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-21 13:01:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:01:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:01:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 13:01:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 13:01:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 13:01:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 13:01:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 13:01:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 13:01:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 13:01:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-21 13:01:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-21 13:01:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 13:01:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 13:01:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 13:01:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-21 13:01:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-21 13:01:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-21 13:01:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-21 13:01:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 13:01:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 13:01:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 13:01:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:01:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_recovery_que_add_conn [2022-07-21 13:01:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_recovery_que_add_conn [2022-07-21 13:01:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:01:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:01:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 13:01:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 13:01:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_attr_is_visible [2022-07-21 13:01:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_attr_is_visible [2022-07-21 13:01:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 13:01:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-21 13:01:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-21 13:01:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-07-21 13:01:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-07-21 13:01:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_scsi_cmd_resp [2022-07-21 13:01:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_scsi_cmd_resp [2022-07-21 13:01:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_destroy_cmd_pool [2022-07-21 13:01:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_destroy_cmd_pool [2022-07-21 13:01:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-21 13:01:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-21 13:01:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 13:01:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 13:01:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 13:01:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 13:01:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2022-07-21 13:01:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2022-07-21 13:01:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 13:01:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 13:01:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:01:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:01:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_device_reset [2022-07-21 13:01:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_device_reset [2022-07-21 13:01:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 13:01:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 13:01:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_get_stats [2022-07-21 13:01:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_get_stats [2022-07-21 13:01:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 13:01:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 13:01:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2022-07-21 13:01:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2022-07-21 13:01:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2022-07-21 13:01:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2022-07-21 13:01:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:01:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 13:01:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 13:01:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:01:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 13:01:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 13:01:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 13:01:12,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 13:01:12,020 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_itt_to_task [2022-07-21 13:01:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_itt_to_task [2022-07-21 13:01:12,020 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-07-21 13:01:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-07-21 13:01:12,021 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_write_cmd_bd_idx [2022-07-21 13:01:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_write_cmd_bd_idx [2022-07-21 13:01:12,021 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2022-07-21 13:01:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2022-07-21 13:01:12,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 13:01:12,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 13:01:12,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 13:01:12,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 13:01:12,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:01:12,023 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_bind [2022-07-21 13:01:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_bind [2022-07-21 13:01:12,023 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 13:01:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 13:01:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-21 13:01:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-21 13:01:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_new_cqes [2022-07-21 13:01:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_new_cqes [2022-07-21 13:01:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 13:01:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 13:01:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 13:01:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 13:01:12,025 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_ep [2022-07-21 13:01:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_ep [2022-07-21 13:01:12,025 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_start [2022-07-21 13:01:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_start [2022-07-21 13:01:12,025 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_find_hba_for_cnic [2022-07-21 13:01:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_find_hba_for_cnic [2022-07-21 13:01:12,025 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 13:01:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 13:01:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_hba [2022-07-21 13:01:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_hba [2022-07-21 13:01:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2022-07-21 13:01:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2022-07-21 13:01:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_mp_bdt [2022-07-21 13:01:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_mp_bdt [2022-07-21 13:01:12,026 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 13:01:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 13:01:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 13:01:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 13:01:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_destroy [2022-07-21 13:01:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_destroy [2022-07-21 13:01:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:01:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:01:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 13:01:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 13:01:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_rq_buf [2022-07-21 13:01:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_rq_buf [2022-07-21 13:01:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:01:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:01:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-07-21 13:01:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-07-21 13:01:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 13:01:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 13:01:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 13:01:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 13:01:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:01:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:01:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-07-21 13:01:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-07-21 13:01:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 13:01:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 13:01:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 13:01:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 13:01:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_abort [2022-07-21 13:01:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_abort [2022-07-21 13:01:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 13:01:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 13:01:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-21 13:01:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-21 13:01:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-07-21 13:01:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-07-21 13:01:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 13:01:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 13:01:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-21 13:01:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-21 13:01:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2022-07-21 13:01:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2022-07-21 13:01:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_create [2022-07-21 13:01:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_create [2022-07-21 13:01:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2022-07-21 13:01:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2022-07-21 13:01:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_fw_iscsi_init_msg [2022-07-21 13:01:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_fw_iscsi_init_msg [2022-07-21 13:01:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 13:01:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 13:01:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 13:01:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 13:01:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 13:01:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 13:01:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-21 13:01:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-21 13:01:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_conn_from_id [2022-07-21 13:01:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_conn_from_id [2022-07-21 13:01:13,320 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:01:13,330 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:01:14,164 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:03:43,471 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:03:43,494 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:03:43,494 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 13:03:43,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:03:43 BoogieIcfgContainer [2022-07-21 13:03:43,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:03:43,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:03:43,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:03:43,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:03:43,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:01:04" (1/3) ... [2022-07-21 13:03:43,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff841c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:03:43, skipping insertion in model container [2022-07-21 13:03:43,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:10" (2/3) ... [2022-07-21 13:03:43,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff841c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:03:43, skipping insertion in model container [2022-07-21 13:03:43,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:03:43" (3/3) ... [2022-07-21 13:03:43,507 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2022-07-21 13:03:43,527 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:03:43,527 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 13:03:43,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:03:43,632 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@4f0cd432, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@fd9c957 [2022-07-21 13:03:43,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 13:03:43,646 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) [2022-07-21 13:03:43,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-21 13:03:43,702 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:03:43,703 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] [2022-07-21 13:03:43,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:03:43,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:03:43,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1847489212, now seen corresponding path program 1 times [2022-07-21 13:03:43,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:03:43,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328873255] [2022-07-21 13:03:43,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:03:43,726 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:03:43,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:03:43,731 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) [2022-07-21 13:03:43,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 13:03:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:03:45,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 13:03:45,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:03:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-07-21 13:03:45,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:03:45,616 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:03:45,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328873255] [2022-07-21 13:03:45,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [328873255] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:03:45,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:03:45,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 13:03:45,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222498603] [2022-07-21 13:03:45,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:03:45,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 13:03:45,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:03:45,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 13:03:45,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 13:03:45,653 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) [2022-07-21 13:03:45,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:03:45,864 INFO L93 Difference]: Finished difference Result 6335 states and 9375 transitions. [2022-07-21 13:03:45,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 13:03:45,866 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 [2022-07-21 13:03:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:03:45,904 INFO L225 Difference]: With dead ends: 6335 [2022-07-21 13:03:45,904 INFO L226 Difference]: Without dead ends: 3124 [2022-07-21 13:03:45,926 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 [2022-07-21 13:03:45,928 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 [2022-07-21 13:03:45,929 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] [2022-07-21 13:03:45,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3124 states. [2022-07-21 13:03:46,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3124 to 3124. [2022-07-21 13:03:46,089 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) [2022-07-21 13:03:46,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 4537 transitions. [2022-07-21 13:03:46,112 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 4537 transitions. Word has length 341 [2022-07-21 13:03:46,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:03:46,113 INFO L495 AbstractCegarLoop]: Abstraction has 3124 states and 4537 transitions. [2022-07-21 13:03:46,113 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) [2022-07-21 13:03:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 4537 transitions. [2022-07-21 13:03:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-21 13:03:46,127 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:03:46,128 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] [2022-07-21 13:03:46,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 13:03:46,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:03:46,346 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:03:46,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:03:46,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1805602088, now seen corresponding path program 1 times [2022-07-21 13:03:46,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:03:46,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043639919] [2022-07-21 13:03:46,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:03:46,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:03:46,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:03:46,352 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) [2022-07-21 13:03:46,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 13:03:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:03:48,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 13:03:48,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:03:48,754 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-07-21 13:03:48,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:03:48,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:03:48,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2043639919] [2022-07-21 13:03:48,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2043639919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:03:48,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:03:48,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:03:48,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685420079] [2022-07-21 13:03:48,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:03:48,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:03:48,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:03:48,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:03:48,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:03:48,764 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) [2022-07-21 13:03:53,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:03:53,677 INFO L93 Difference]: Finished difference Result 6246 states and 9152 transitions. [2022-07-21 13:03:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:03:53,679 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 [2022-07-21 13:03:53,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:03:53,703 INFO L225 Difference]: With dead ends: 6246 [2022-07-21 13:03:53,703 INFO L226 Difference]: Without dead ends: 3127 [2022-07-21 13:03:53,722 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 [2022-07-21 13:03:53,723 INFO L413 NwaCegarLoop]: 4502 mSDtfsCounter, 6 mSDsluCounter, 17919 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 22421 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:03:53,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22421 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-21 13:03:53,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2022-07-21 13:03:53,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 3127. [2022-07-21 13:03:53,826 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) [2022-07-21 13:03:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 3127 states and 4545 transitions. [2022-07-21 13:03:53,849 INFO L78 Accepts]: Start accepts. Automaton has 3127 states and 4545 transitions. Word has length 341 [2022-07-21 13:03:53,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:03:53,849 INFO L495 AbstractCegarLoop]: Abstraction has 3127 states and 4545 transitions. [2022-07-21 13:03:53,850 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) [2022-07-21 13:03:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 4545 transitions. [2022-07-21 13:03:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-21 13:03:53,864 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:03:53,865 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] [2022-07-21 13:03:53,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 13:03:54,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:03:54,088 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:03:54,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:03:54,088 INFO L85 PathProgramCache]: Analyzing trace with hash -250495296, now seen corresponding path program 1 times [2022-07-21 13:03:54,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:03:54,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1683218453] [2022-07-21 13:03:54,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:03:54,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:03:54,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:03:54,093 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) [2022-07-21 13:03:54,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 13:03:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:03:56,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 13:03:56,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:03:56,824 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 284 proven. 1 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2022-07-21 13:03:56,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:03:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 2 proven. 51 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2022-07-21 13:03:59,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:03:59,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1683218453] [2022-07-21 13:03:59,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1683218453] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 13:03:59,605 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 13:03:59,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-21 13:03:59,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653231250] [2022-07-21 13:03:59,606 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 13:03:59,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 13:03:59,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:03:59,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 13:03:59,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-21 13:03:59,608 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) [2022-07-21 13:04:08,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:04:08,388 INFO L93 Difference]: Finished difference Result 6257 states and 9174 transitions. [2022-07-21 13:04:08,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 13:04:08,389 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 [2022-07-21 13:04:08,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:04:08,410 INFO L225 Difference]: With dead ends: 6257 [2022-07-21 13:04:08,410 INFO L226 Difference]: Without dead ends: 3135 [2022-07-21 13:04:08,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-21 13:04:08,427 INFO L413 NwaCegarLoop]: 4504 mSDtfsCounter, 12 mSDsluCounter, 31344 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s 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, 7.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:04:08,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 35848 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-07-21 13:04:08,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2022-07-21 13:04:08,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 3133. [2022-07-21 13:04:08,515 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) [2022-07-21 13:04:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 4552 transitions. [2022-07-21 13:04:08,531 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 4552 transitions. Word has length 365 [2022-07-21 13:04:08,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:04:08,532 INFO L495 AbstractCegarLoop]: Abstraction has 3133 states and 4552 transitions. [2022-07-21 13:04:08,532 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) [2022-07-21 13:04:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 4552 transitions. [2022-07-21 13:04:08,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-07-21 13:04:08,546 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:04:08,547 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] [2022-07-21 13:04:08,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-21 13:04:08,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:04:08,764 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:04:08,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:04:08,764 INFO L85 PathProgramCache]: Analyzing trace with hash 128570920, now seen corresponding path program 1 times [2022-07-21 13:04:08,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:04:08,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508227851] [2022-07-21 13:04:08,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:04:08,768 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:04:08,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:04:08,769 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) [2022-07-21 13:04:08,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 13:04:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:04:10,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 2282 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 13:04:10,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:04:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 309 proven. 3 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2022-07-21 13:04:11,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:04:15,158 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2022-07-21 13:04:15,159 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:04:15,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508227851] [2022-07-21 13:04:15,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508227851] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 13:04:15,159 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 13:04:15,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-21 13:04:15,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949759881] [2022-07-21 13:04:15,160 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 13:04:15,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 13:04:15,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:04:15,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 13:04:15,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 13:04:15,162 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) [2022-07-21 13:04:23,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:04:23,266 INFO L93 Difference]: Finished difference Result 6275 states and 9202 transitions. [2022-07-21 13:04:23,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 13:04:23,267 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 [2022-07-21 13:04:23,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:04:23,291 INFO L225 Difference]: With dead ends: 6275 [2022-07-21 13:04:23,291 INFO L226 Difference]: Without dead ends: 3147 [2022-07-21 13:04:23,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-21 13:04:23,310 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, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:04:23,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 22416 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-07-21 13:04:23,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2022-07-21 13:04:23,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 3145. [2022-07-21 13:04:23,404 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) [2022-07-21 13:04:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 3145 states and 4571 transitions. [2022-07-21 13:04:23,417 INFO L78 Accepts]: Start accepts. Automaton has 3145 states and 4571 transitions. Word has length 353 [2022-07-21 13:04:23,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:04:23,418 INFO L495 AbstractCegarLoop]: Abstraction has 3145 states and 4571 transitions. [2022-07-21 13:04:23,418 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) [2022-07-21 13:04:23,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 4571 transitions. [2022-07-21 13:04:23,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-21 13:04:23,432 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:04:23,432 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] [2022-07-21 13:04:23,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 13:04:23,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:04:23,660 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:04:23,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:04:23,660 INFO L85 PathProgramCache]: Analyzing trace with hash -695368782, now seen corresponding path program 2 times [2022-07-21 13:04:23,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:04:23,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [662590567] [2022-07-21 13:04:23,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 13:04:23,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:04:23,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:04:23,663 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) [2022-07-21 13:04:23,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 13:04:25,081 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 13:04:25,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 13:04:25,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 13:04:25,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:04:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2022-07-21 13:04:25,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:04:25,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:04:25,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [662590567] [2022-07-21 13:04:25,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [662590567] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:04:25,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:04:25,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:04:25,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008621397] [2022-07-21 13:04:25,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:04:25,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:04:25,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:04:25,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:04:25,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:04:25,787 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) [2022-07-21 13:04:26,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:04:26,385 INFO L93 Difference]: Finished difference Result 7255 states and 10717 transitions. [2022-07-21 13:04:26,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:04:26,387 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 [2022-07-21 13:04:26,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:04:26,413 INFO L225 Difference]: With dead ends: 7255 [2022-07-21 13:04:26,414 INFO L226 Difference]: Without dead ends: 4119 [2022-07-21 13:04:26,426 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 [2022-07-21 13:04:26,429 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 [2022-07-21 13:04:26,429 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] [2022-07-21 13:04:26,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4119 states. [2022-07-21 13:04:26,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4119 to 3149. [2022-07-21 13:04:26,530 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) [2022-07-21 13:04:26,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 4578 transitions. [2022-07-21 13:04:26,541 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 4578 transitions. Word has length 375 [2022-07-21 13:04:26,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:04:26,543 INFO L495 AbstractCegarLoop]: Abstraction has 3149 states and 4578 transitions. [2022-07-21 13:04:26,543 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) [2022-07-21 13:04:26,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 4578 transitions. [2022-07-21 13:04:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-21 13:04:26,553 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:04:26,553 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] [2022-07-21 13:04:26,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 13:04:26,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:04:26,776 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:04:26,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:04:26,776 INFO L85 PathProgramCache]: Analyzing trace with hash 35317089, now seen corresponding path program 1 times [2022-07-21 13:04:26,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:04:26,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784287658] [2022-07-21 13:04:26,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:04:26,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:04:26,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:04:26,779 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) [2022-07-21 13:04:26,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 13:04:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:04:28,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 2328 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 13:04:28,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:04:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 336 proven. 6 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2022-07-21 13:04:29,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:04:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-21 13:04:34,234 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:04:34,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [784287658] [2022-07-21 13:04:34,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [784287658] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 13:04:34,234 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 13:04:34,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-21 13:04:34,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589703783] [2022-07-21 13:04:34,235 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 13:04:34,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 13:04:34,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:04:34,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 13:04:34,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-21 13:04:34,237 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) [2022-07-21 13:04:46,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:04:46,148 INFO L93 Difference]: Finished difference Result 6301 states and 9239 transitions. [2022-07-21 13:04:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 13:04:46,150 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 [2022-07-21 13:04:46,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:04:46,171 INFO L225 Difference]: With dead ends: 6301 [2022-07-21 13:04:46,171 INFO L226 Difference]: Without dead ends: 3154 [2022-07-21 13:04:46,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-21 13:04:46,191 INFO L413 NwaCegarLoop]: 4508 mSDtfsCounter, 33 mSDsluCounter, 31386 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s 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, 10.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:04:46,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 35894 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-07-21 13:04:46,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2022-07-21 13:04:46,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3150. [2022-07-21 13:04:46,303 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) [2022-07-21 13:04:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4580 transitions. [2022-07-21 13:04:46,318 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4580 transitions. Word has length 358 [2022-07-21 13:04:46,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:04:46,319 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4580 transitions. [2022-07-21 13:04:46,319 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) [2022-07-21 13:04:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4580 transitions. [2022-07-21 13:04:46,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-07-21 13:04:46,330 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:04:46,330 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] [2022-07-21 13:04:46,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 13:04:46,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:04:46,552 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:04:46,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:04:46,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1351498411, now seen corresponding path program 1 times [2022-07-21 13:04:46,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:04:46,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [900108779] [2022-07-21 13:04:46,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:04:46,554 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:04:46,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:04:46,555 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) [2022-07-21 13:04:46,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 13:04:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:04:48,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 2436 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 13:04:48,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:04:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 369 proven. 10 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2022-07-21 13:04:50,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:04:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 2 proven. 145 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2022-07-21 13:04:55,188 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:04:55,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [900108779] [2022-07-21 13:04:55,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [900108779] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 13:04:55,189 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 13:04:55,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-21 13:04:55,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23023446] [2022-07-21 13:04:55,189 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 13:04:55,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-21 13:04:55,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:04:55,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-21 13:04:55,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-21 13:04:55,190 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)