./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--net--wireless--prism54--prism54.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--net--wireless--prism54--prism54.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 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:57:38,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:57:38,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:57:38,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:57:38,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:57:38,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:57:38,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:57:38,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:57:38,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:57:38,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:57:38,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:57:38,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:57:38,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:57:38,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:57:38,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:57:38,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:57:38,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:57:38,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:57:38,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:57:38,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:57:38,475 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:57:38,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:57:38,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:57:38,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:57:38,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:57:38,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:57:38,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:57:38,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:57:38,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:57:38,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:57:38,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:57:38,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:57:38,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:57:38,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:57:38,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:57:38,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:57:38,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:57:38,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:57:38,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:57:38,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:57:38,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:57:38,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:57:38,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:57:38,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:57:38,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:57:38,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:57:38,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:57:38,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:57:38,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:57:38,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:57:38,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:57:38,533 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:57:38,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:57:38,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:57:38,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:57:38,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:57:38,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:57:38,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:57:38,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:57:38,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:57:38,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:57:38,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:57:38,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:57:38,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:57:38,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:57:38,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:57:38,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:57:38,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:57:38,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:57:38,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:57:38,537 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:57:38,537 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:57:38,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:57:38,538 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2022-07-21 12:57:38,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:57:38,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:57:38,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:57:38,888 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:57:38,890 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:57:38,891 INFO L432 ainManager$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--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-21 12:57:38,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b3615c4/85e31f29424c44e6838509dbb39318ff/FLAGd673bf865 [2022-07-21 12:57:39,874 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:57:39,875 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--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-21 12:57:39,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b3615c4/85e31f29424c44e6838509dbb39318ff/FLAGd673bf865 [2022-07-21 12:57:40,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b3615c4/85e31f29424c44e6838509dbb39318ff [2022-07-21 12:57:40,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:57:40,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:57:40,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:57:40,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:57:40,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:57:40,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:57:40" (1/1) ... [2022-07-21 12:57:40,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f47c9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:40, skipping insertion in model container [2022-07-21 12:57:40,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:57:40" (1/1) ... [2022-07-21 12:57:40,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:57:40,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:57:45,584 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--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-21 12:57:45,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:57:45,792 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:57:46,056 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:2268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:310) 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 12:57:46,077 INFO L158 Benchmark]: Toolchain (without parser) took 5798.02ms. Allocated memory was 67.1MB in the beginning and 176.2MB in the end (delta: 109.1MB). Free memory was 38.6MB in the beginning and 88.4MB in the end (delta: -49.8MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2022-07-21 12:57:46,078 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 12:57:46,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5795.89ms. Allocated memory was 67.1MB in the beginning and 176.2MB in the end (delta: 109.1MB). Free memory was 38.4MB in the beginning and 88.4MB in the end (delta: -50.0MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2022-07-21 12:57:46,082 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5795.89ms. Allocated memory was 67.1MB in the beginning and 176.2MB in the end (delta: 109.1MB). Free memory was 38.4MB in the beginning and 88.4MB in the end (delta: -50.0MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.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 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:57:47,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:57:47,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:57:47,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:57:47,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:57:47,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:57:47,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:57:47,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:57:47,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:57:47,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:57:47,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:57:47,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:57:47,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:57:47,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:57:47,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:57:47,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:57:47,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:57:47,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:57:47,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:57:47,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:57:47,807 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:57:47,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:57:47,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:57:47,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:57:47,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:57:47,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:57:47,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:57:47,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:57:47,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:57:47,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:57:47,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:57:47,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:57:47,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:57:47,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:57:47,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:57:47,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:57:47,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:57:47,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:57:47,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:57:47,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:57:47,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:57:47,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:57:47,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 12:57:47,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:57:47,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:57:47,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:57:47,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:57:47,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:57:47,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:57:47,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:57:47,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:57:47,869 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:57:47,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:57:47,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:57:47,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:57:47,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:57:47,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:57:47,871 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 12:57:47,871 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 12:57:47,872 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 12:57:47,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:57:47,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:57:47,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:57:47,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:57:47,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:57:47,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:57:47,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:57:47,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:57:47,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:57:47,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:57:47,874 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 12:57:47,874 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 12:57:47,874 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:57:47,875 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:57:47,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:57:47,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 12:57:47,875 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2022-07-21 12:57:48,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:57:48,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:57:48,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:57:48,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:57:48,223 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:57:48,224 INFO L432 ainManager$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--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-21 12:57:48,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ceec7d47/8dc1c2101d394b0ca4faf20d88281f24/FLAGd776b76a1 [2022-07-21 12:57:49,258 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:57:49,259 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--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-21 12:57:49,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ceec7d47/8dc1c2101d394b0ca4faf20d88281f24/FLAGd776b76a1 [2022-07-21 12:57:49,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ceec7d47/8dc1c2101d394b0ca4faf20d88281f24 [2022-07-21 12:57:49,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:57:49,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:57:49,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:57:49,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:57:49,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:57:49,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:57:49" (1/1) ... [2022-07-21 12:57:49,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b371d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:49, skipping insertion in model container [2022-07-21 12:57:49,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:57:49" (1/1) ... [2022-07-21 12:57:49,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:57:49,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:57:53,802 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--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-21 12:57:53,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:57:54,037 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 12:57:54,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:57:54,668 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--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-21 12:57:54,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:57:54,729 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:57:55,172 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--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-21 12:57:55,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:57:55,444 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:57:55,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:55 WrapperNode [2022-07-21 12:57:55,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:57:55,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:57:55,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:57:55,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:57:55,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:55" (1/1) ... [2022-07-21 12:57:55,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:55" (1/1) ... [2022-07-21 12:57:55,920 INFO L137 Inliner]: procedures = 541, calls = 6245, calls flagged for inlining = 183, calls inlined = 161, statements flattened = 7380 [2022-07-21 12:57:55,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:57:55,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:57:55,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:57:55,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:57:55,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:55" (1/1) ... [2022-07-21 12:57:55,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:55" (1/1) ... [2022-07-21 12:57:56,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:55" (1/1) ... [2022-07-21 12:57:56,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:55" (1/1) ... [2022-07-21 12:57:56,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:55" (1/1) ... [2022-07-21 12:57:56,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:55" (1/1) ... [2022-07-21 12:57:56,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:55" (1/1) ... [2022-07-21 12:57:56,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:57:56,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:57:56,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:57:56,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:57:56,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:55" (1/1) ... [2022-07-21 12:57:56,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:57:56,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:57:56,437 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 12:57:56,467 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 12:57:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-07-21 12:57:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-07-21 12:57:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-07-21 12:57:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-07-21 12:57:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_5 [2022-07-21 12:57:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_5 [2022-07-21 12:57:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-21 12:57:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 12:57:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 12:57:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:57:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:57:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-07-21 12:57:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-07-21 12:57:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 12:57:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 12:57:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 12:57:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 12:57:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:57:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:57:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-07-21 12:57:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-07-21 12:57:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-21 12:57:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-21 12:57:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 12:57:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 12:57:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-21 12:57:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-21 12:57:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-07-21 12:57:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-07-21 12:57:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-07-21 12:57:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-07-21 12:57:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-07-21 12:57:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-07-21 12:57:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 12:57:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 12:57:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 12:57:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 12:57:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 12:57:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 12:57:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-07-21 12:57:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-07-21 12:57:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:57:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 12:57:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 12:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:57:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 12:57:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 12:57:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 12:57:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 12:57:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 12:57:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 12:57:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 12:57:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 12:57:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-21 12:57:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-21 12:57:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-07-21 12:57:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-07-21 12:57:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 12:57:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 12:57:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 12:57:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 12:57:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-07-21 12:57:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-07-21 12:57:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 12:57:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 12:57:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-21 12:57:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-21 12:57:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 12:57:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 12:57:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 12:57:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 12:57:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:57:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:57:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 12:57:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 12:57:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_set_mac_address [2022-07-21 12:57:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_set_mac_address [2022-07-21 12:57:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-07-21 12:57:56,501 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-07-21 12:57:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 12:57:56,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 12:57:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:57:56,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:57:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:57:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-21 12:57:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:57:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 12:57:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 12:57:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:57:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 12:57:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 12:57:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 12:57:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 12:57:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 12:57:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 12:57:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 12:57:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 12:57:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 12:57:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 12:57:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 12:57:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 12:57:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-21 12:57:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-21 12:57:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 12:57:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 12:57:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 12:57:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 12:57:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 12:57:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-07-21 12:57:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-07-21 12:57:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-21 12:57:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-21 12:57:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-21 12:57:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-21 12:57:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:57:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:57:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 12:57:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 12:57:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 12:57:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-21 12:57:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-21 12:57:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-07-21 12:57:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-07-21 12:57:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 12:57:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 12:57:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:57:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 12:57:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:57:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:57:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:57:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 12:57:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 12:57:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 12:57:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 12:57:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 12:57:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 12:57:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-07-21 12:57:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-07-21 12:57:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-21 12:57:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-21 12:57:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:57:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:57:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:57:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:57:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 12:57:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 12:57:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:57:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:57:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:57:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:57:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 12:57:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 12:57:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 12:57:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 12:57:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 12:57:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 12:57:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 12:57:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 12:57:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:57:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:57:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:57:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-07-21 12:57:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-07-21 12:57:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:57:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 12:57:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 12:57:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-21 12:57:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-21 12:57:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 12:57:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-21 12:57:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-21 12:57:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 12:57:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 12:57:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 12:57:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:57:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-21 12:57:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-21 12:57:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-21 12:57:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-21 12:57:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 12:57:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 12:57:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-21 12:57:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-21 12:57:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 12:57:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 12:57:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 12:57:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 12:57:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-07-21 12:57:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-07-21 12:57:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-07-21 12:57:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-07-21 12:57:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 12:57:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 12:57:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-21 12:57:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-21 12:57:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-21 12:57:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-21 12:57:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-07-21 12:57:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-07-21 12:57:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 12:57:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 12:57:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___1 [2022-07-21 12:57:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___1 [2022-07-21 12:57:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 12:57:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 12:57:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-07-21 12:57:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-07-21 12:57:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-07-21 12:57:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-07-21 12:57:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:57:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:57:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-07-21 12:57:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-07-21 12:57:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-21 12:57:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-21 12:57:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 12:57:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 12:57:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 12:57:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 12:57:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-21 12:57:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-21 12:57:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:57:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:57:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-07-21 12:57:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-07-21 12:57:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-07-21 12:57:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-07-21 12:57:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:57:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:57:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 12:57:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 12:57:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 12:57:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 12:57:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-07-21 12:57:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-07-21 12:57:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-21 12:57:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-21 12:57:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-21 12:57:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-21 12:57:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2022-07-21 12:57:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2022-07-21 12:57:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-21 12:57:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-21 12:57:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-07-21 12:57:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-07-21 12:57:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-07-21 12:57:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-07-21 12:57:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 12:57:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 12:57:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 12:57:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 12:57:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-21 12:57:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-21 12:57:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-07-21 12:57:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-07-21 12:57:57,523 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:57:57,529 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:58:01,438 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:58:54,968 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:58:54,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:58:54,988 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 12:58:54,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:58:54 BoogieIcfgContainer [2022-07-21 12:58:54,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:58:54,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:58:54,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:58:55,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:58:55,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:57:49" (1/3) ... [2022-07-21 12:58:55,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775f624f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:58:55, skipping insertion in model container [2022-07-21 12:58:55,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:55" (2/3) ... [2022-07-21 12:58:55,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775f624f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:58:55, skipping insertion in model container [2022-07-21 12:58:55,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:58:54" (3/3) ... [2022-07-21 12:58:55,006 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-21 12:58:55,018 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:58:55,018 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:58:55,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:58:55,137 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@6600916c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@9e1daef [2022-07-21 12:58:55,137 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:58:55,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) [2022-07-21 12:58:55,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-21 12:58:55,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:58:55,184 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 12:58:55,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:58:55,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:58:55,189 INFO L85 PathProgramCache]: Analyzing trace with hash -363408964, now seen corresponding path program 1 times [2022-07-21 12:58:55,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:58:55,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097523471] [2022-07-21 12:58:55,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:58:55,213 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:58:55,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:58:55,219 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 12:58:55,260 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 12:59:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:59:02,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 12:59:02,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:59:02,865 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-21 12:59:02,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:59:02,866 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:59:02,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097523471] [2022-07-21 12:59:02,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1097523471] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:59:02,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:59:02,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:59:02,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741225331] [2022-07-21 12:59:02,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:59:02,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 12:59:02,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:59:02,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 12:59:02,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:59:02,911 INFO L87 Difference]: Start difference. First operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 12:59:03,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:59:03,081 INFO L93 Difference]: Finished difference Result 3777 states and 5358 transitions. [2022-07-21 12:59:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 12:59:03,083 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2022-07-21 12:59:03,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:59:03,112 INFO L225 Difference]: With dead ends: 3777 [2022-07-21 12:59:03,112 INFO L226 Difference]: Without dead ends: 1843 [2022-07-21 12:59:03,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 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 12:59:03,134 INFO L413 NwaCegarLoop]: 2634 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, 2634 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 12:59:03,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2634 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:59:03,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2022-07-21 12:59:03,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2022-07-21 12:59:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1282 states have (on average 1.2870514820592824) internal successors, (1650), 1302 states have internal predecessors, (1650), 451 states have call successors, (451), 110 states have call predecessors, (451), 109 states have return successors, (450), 447 states have call predecessors, (450), 450 states have call successors, (450) [2022-07-21 12:59:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2551 transitions. [2022-07-21 12:59:03,330 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2551 transitions. Word has length 119 [2022-07-21 12:59:03,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:59:03,331 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2551 transitions. [2022-07-21 12:59:03,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 12:59:03,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2551 transitions. [2022-07-21 12:59:03,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-21 12:59:03,340 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:59:03,341 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 12:59:03,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 12:59:03,559 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 12:59:03,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:59:03,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:59:03,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1015622410, now seen corresponding path program 1 times [2022-07-21 12:59:03,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:59:03,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704557552] [2022-07-21 12:59:03,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:59:03,576 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:59:03,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:59:03,578 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 12:59:03,585 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 12:59:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:59:11,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 12:59:11,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:59:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-07-21 12:59:11,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:59:11,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:59:11,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704557552] [2022-07-21 12:59:11,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704557552] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:59:11,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:59:11,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:59:11,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178374980] [2022-07-21 12:59:11,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:59:11,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:59:11,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:59:11,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:59:11,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:59:11,276 INFO L87 Difference]: Start difference. First operand 1843 states and 2551 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 12:59:11,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:59:11,781 INFO L93 Difference]: Finished difference Result 3686 states and 5107 transitions. [2022-07-21 12:59:11,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:59:11,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 119 [2022-07-21 12:59:11,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:59:11,795 INFO L225 Difference]: With dead ends: 3686 [2022-07-21 12:59:11,795 INFO L226 Difference]: Without dead ends: 1846 [2022-07-21 12:59:11,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:59:11,807 INFO L413 NwaCegarLoop]: 2545 mSDtfsCounter, 6 mSDsluCounter, 10162 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 12707 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 12:59:11,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 12707 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 12:59:11,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-07-21 12:59:11,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1846. [2022-07-21 12:59:11,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1846 states, 1284 states have (on average 1.2873831775700935) internal successors, (1653), 1305 states have internal predecessors, (1653), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-21 12:59:11,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2555 transitions. [2022-07-21 12:59:11,891 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2555 transitions. Word has length 119 [2022-07-21 12:59:11,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:59:11,893 INFO L495 AbstractCegarLoop]: Abstraction has 1846 states and 2555 transitions. [2022-07-21 12:59:11,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 12:59:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2555 transitions. [2022-07-21 12:59:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-21 12:59:11,902 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:59:11,903 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 12:59:12,122 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 12:59:12,123 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 12:59:12,123 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:59:12,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:59:12,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1360405180, now seen corresponding path program 1 times [2022-07-21 12:59:12,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:59:12,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631976353] [2022-07-21 12:59:12,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:59:12,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:59:12,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:59:12,133 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 12:59:12,189 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 12:59:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:59:20,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 5426 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 12:59:20,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:59:20,832 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-21 12:59:20,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:59:22,013 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-21 12:59:22,014 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:59:22,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631976353] [2022-07-21 12:59:22,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1631976353] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:59:22,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:59:22,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-21 12:59:22,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072063724] [2022-07-21 12:59:22,015 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:59:22,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 12:59:22,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:59:22,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 12:59:22,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:59:22,017 INFO L87 Difference]: Start difference. First operand 1846 states and 2555 transitions. Second operand has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 11 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-21 12:59:23,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:59:23,116 INFO L93 Difference]: Finished difference Result 3692 states and 5115 transitions. [2022-07-21 12:59:23,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 12:59:23,119 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 11 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 121 [2022-07-21 12:59:23,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:59:23,135 INFO L225 Difference]: With dead ends: 3692 [2022-07-21 12:59:23,135 INFO L226 Difference]: Without dead ends: 1849 [2022-07-21 12:59:23,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-21 12:59:23,145 INFO L413 NwaCegarLoop]: 2546 mSDtfsCounter, 15 mSDsluCounter, 15243 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 17789 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:59:23,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 17789 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 12:59:23,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2022-07-21 12:59:23,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1847. [2022-07-21 12:59:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1847 states, 1285 states have (on average 1.2879377431906616) internal successors, (1655), 1306 states have internal predecessors, (1655), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-21 12:59:23,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2557 transitions. [2022-07-21 12:59:23,240 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2557 transitions. Word has length 121 [2022-07-21 12:59:23,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:59:23,241 INFO L495 AbstractCegarLoop]: Abstraction has 1847 states and 2557 transitions. [2022-07-21 12:59:23,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 11 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-21 12:59:23,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2557 transitions. [2022-07-21 12:59:23,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-21 12:59:23,245 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:59:23,246 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 12:59:23,467 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-07-21 12:59:23,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 12:59:23,491 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 12:59:23,491 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:59:23,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:59:23,492 INFO L85 PathProgramCache]: Analyzing trace with hash -648388810, now seen corresponding path program 2 times [2022-07-21 12:59:23,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:59:23,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374271848] [2022-07-21 12:59:23,504 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:59:23,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:59:23,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:59:23,506 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 12:59:23,523 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 12:59:32,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:59:32,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:59:32,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 5225 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 12:59:32,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:59:32,581 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-21 12:59:32,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:59:32,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:59:32,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374271848] [2022-07-21 12:59:32,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1374271848] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:59:32,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:59:32,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 12:59:32,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159957986] [2022-07-21 12:59:32,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:59:32,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 12:59:32,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:59:32,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 12:59:32,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 12:59:32,583 INFO L87 Difference]: Start difference. First operand 1847 states and 2557 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-21 12:59:33,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:59:33,840 INFO L93 Difference]: Finished difference Result 5184 states and 7427 transitions. [2022-07-21 12:59:33,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:59:33,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 123 [2022-07-21 12:59:33,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:59:33,870 INFO L225 Difference]: With dead ends: 5184 [2022-07-21 12:59:33,871 INFO L226 Difference]: Without dead ends: 3347 [2022-07-21 12:59:33,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 12:59:33,897 INFO L413 NwaCegarLoop]: 3992 mSDtfsCounter, 2678 mSDsluCounter, 10187 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 14179 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 705 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:59:33,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 14179 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [705 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 12:59:33,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3347 states. [2022-07-21 12:59:33,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3347 to 1850. [2022-07-21 12:59:33,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1850 states, 1288 states have (on average 1.2872670807453417) internal successors, (1658), 1309 states have internal predecessors, (1658), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-21 12:59:33,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2560 transitions. [2022-07-21 12:59:33,984 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2560 transitions. Word has length 123 [2022-07-21 12:59:33,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:59:33,985 INFO L495 AbstractCegarLoop]: Abstraction has 1850 states and 2560 transitions. [2022-07-21 12:59:33,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-21 12:59:33,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2560 transitions. [2022-07-21 12:59:33,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 12:59:33,990 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:59:33,990 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 12:59:34,129 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 12:59:34,205 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 12:59:34,205 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:59:34,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:59:34,206 INFO L85 PathProgramCache]: Analyzing trace with hash 522914390, now seen corresponding path program 1 times [2022-07-21 12:59:34,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:59:34,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680792534] [2022-07-21 12:59:34,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:59:34,211 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:59:34,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:59:34,212 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 12:59:34,214 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 12:59:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:59:43,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 5464 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 12:59:43,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:59:43,429 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-21 12:59:43,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:59:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-07-21 12:59:44,834 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:59:44,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680792534] [2022-07-21 12:59:44,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680792534] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:59:44,834 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:59:44,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-21 12:59:44,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138952355] [2022-07-21 12:59:44,835 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:59:44,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 12:59:44,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:59:44,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 12:59:44,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:59:44,838 INFO L87 Difference]: Start difference. First operand 1850 states and 2560 transitions. Second operand has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-21 12:59:46,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:59:46,283 INFO L93 Difference]: Finished difference Result 3702 states and 5127 transitions. [2022-07-21 12:59:46,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 12:59:46,285 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 126 [2022-07-21 12:59:46,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:59:46,302 INFO L225 Difference]: With dead ends: 3702 [2022-07-21 12:59:46,302 INFO L226 Difference]: Without dead ends: 1855 [2022-07-21 12:59:46,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-07-21 12:59:46,313 INFO L413 NwaCegarLoop]: 2547 mSDtfsCounter, 13 mSDsluCounter, 22872 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 25419 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:59:46,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 25419 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 12:59:46,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-07-21 12:59:46,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1851. [2022-07-21 12:59:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1851 states, 1289 states have (on average 1.2878200155159039) internal successors, (1660), 1310 states have internal predecessors, (1660), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-21 12:59:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1851 states and 2562 transitions. [2022-07-21 12:59:46,391 INFO L78 Accepts]: Start accepts. Automaton has 1851 states and 2562 transitions. Word has length 126 [2022-07-21 12:59:46,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:59:46,392 INFO L495 AbstractCegarLoop]: Abstraction has 1851 states and 2562 transitions. [2022-07-21 12:59:46,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-21 12:59:46,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2562 transitions. [2022-07-21 12:59:46,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 12:59:46,398 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:59:46,398 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 12:59:46,572 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 12:59:46,619 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 12:59:46,620 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:59:46,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:59:46,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1433036720, now seen corresponding path program 2 times [2022-07-21 12:59:46,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:59:46,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926756227] [2022-07-21 12:59:46,630 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:59:46,631 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:59:46,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:59:46,633 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 12:59:46,634 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 12:59:54,976 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:59:54,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:59:55,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 5241 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 12:59:55,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:59:55,579 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-21 12:59:55,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:59:55,580 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:59:55,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926756227] [2022-07-21 12:59:55,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926756227] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:59:55,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:59:55,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 12:59:55,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468645731] [2022-07-21 12:59:55,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:59:55,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 12:59:55,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:59:55,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 12:59:55,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 12:59:55,581 INFO L87 Difference]: Start difference. First operand 1851 states and 2562 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-21 12:59:55,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:59:55,773 INFO L93 Difference]: Finished difference Result 1858 states and 2568 transitions. [2022-07-21 12:59:55,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:59:55,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2022-07-21 12:59:55,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:59:55,785 INFO L225 Difference]: With dead ends: 1858 [2022-07-21 12:59:55,785 INFO L226 Difference]: Without dead ends: 1855 [2022-07-21 12:59:55,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:59:55,787 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 9 mSDsluCounter, 7634 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 10185 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:59:55,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 10185 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 12:59:55,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-07-21 12:59:55,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1855. [2022-07-21 12:59:55,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1855 states, 1292 states have (on average 1.2871517027863777) internal successors, (1663), 1313 states have internal predecessors, (1663), 451 states have call successors, (451), 111 states have call predecessors, (451), 111 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-21 12:59:55,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2565 transitions. [2022-07-21 12:59:55,902 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2565 transitions. Word has length 128 [2022-07-21 12:59:55,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:59:55,903 INFO L495 AbstractCegarLoop]: Abstraction has 1855 states and 2565 transitions. [2022-07-21 12:59:55,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-21 12:59:55,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2565 transitions. [2022-07-21 12:59:55,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-07-21 12:59:55,912 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:59:55,912 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 12:59:56,109 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 12:59:56,128 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 12:59:56,128 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:59:56,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:59:56,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1522367651, now seen corresponding path program 1 times [2022-07-21 12:59:56,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:59:56,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109910130] [2022-07-21 12:59:56,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:59:56,134 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:59:56,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:59:56,136 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 12:59:56,138 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 13:00:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:00:04,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 5730 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 13:00:04,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:00:04,850 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-21 13:00:04,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:00:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-21 13:00:06,531 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:00:06,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109910130] [2022-07-21 13:00:06,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109910130] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 13:00:06,532 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 13:00:06,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-21 13:00:06,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669829167] [2022-07-21 13:00:06,533 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 13:00:06,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 13:00:06,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:00:06,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 13:00:06,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-21 13:00:06,535 INFO L87 Difference]: Start difference. First operand 1855 states and 2565 transitions. Second operand has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-21 13:00:08,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:00:08,309 INFO L93 Difference]: Finished difference Result 3714 states and 5139 transitions. [2022-07-21 13:00:08,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 13:00:08,310 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) Word has length 170 [2022-07-21 13:00:08,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:00:08,324 INFO L225 Difference]: With dead ends: 3714 [2022-07-21 13:00:08,324 INFO L226 Difference]: Without dead ends: 1862 [2022-07-21 13:00:08,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2022-07-21 13:00:08,337 INFO L413 NwaCegarLoop]: 2548 mSDtfsCounter, 34 mSDsluCounter, 22879 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 25427 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:00:08,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 25427 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 13:00:08,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2022-07-21 13:00:08,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1856. [2022-07-21 13:00:08,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1856 states, 1293 states have (on average 1.2877030162412992) internal successors, (1665), 1314 states have internal predecessors, (1665), 451 states have call successors, (451), 111 states have call predecessors, (451), 111 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-21 13:00:08,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2567 transitions. [2022-07-21 13:00:08,408 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2567 transitions. Word has length 170 [2022-07-21 13:00:08,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:00:08,408 INFO L495 AbstractCegarLoop]: Abstraction has 1856 states and 2567 transitions. [2022-07-21 13:00:08,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-21 13:00:08,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2567 transitions. [2022-07-21 13:00:08,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-21 13:00:08,417 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:00:08,417 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 13:00:08,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 13:00:08,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:00:08,644 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:00:08,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:00:08,644 INFO L85 PathProgramCache]: Analyzing trace with hash 354032547, now seen corresponding path program 2 times [2022-07-21 13:00:08,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:00:08,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813807457] [2022-07-21 13:00:08,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 13:00:08,651 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:00:08,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:00:08,653 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:00:08,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process