./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--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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--ethernet--intel--ixgb--ixgb.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 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:55:36,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:55:36,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:55:36,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:55:36,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:55:36,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:55:36,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:55:36,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:55:36,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:55:36,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:55:36,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:55:36,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:55:36,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:55:36,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:55:36,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:55:36,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:55:36,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:55:36,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:55:36,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:55:36,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:55:36,462 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:55:36,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:55:36,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:55:36,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:55:36,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:55:36,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:55:36,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:55:36,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:55:36,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:55:36,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:55:36,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:55:36,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:55:36,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:55:36,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:55:36,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:55:36,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:55:36,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:55:36,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:55:36,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:55:36,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:55:36,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:55:36,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:55:36,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:55:36,507 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:55:36,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:55:36,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:55:36,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:55:36,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:55:36,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:55:36,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:55:36,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:55:36,514 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:55:36,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:55:36,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:55:36,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:55:36,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:55:36,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:55:36,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:55:36,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:55:36,515 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:55:36,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:55:36,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:55:36,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:55:36,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:55:36,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:55:36,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:55:36,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:55:36,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:55:36,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:55:36,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:55:36,517 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:55:36,517 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:55:36,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:55:36,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 [2022-07-14 01:55:36,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:55:36,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:55:36,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:55:36,753 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:55:36,753 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:55:36,754 INFO L432 ainManager$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--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-14 01:55:36,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b87e2abd4/4face87adb964ba6b1a3822c47c10609/FLAG08bd728f8 [2022-07-14 01:55:37,535 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:55:37,536 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--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-14 01:55:37,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b87e2abd4/4face87adb964ba6b1a3822c47c10609/FLAG08bd728f8 [2022-07-14 01:55:37,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b87e2abd4/4face87adb964ba6b1a3822c47c10609 [2022-07-14 01:55:37,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:55:37,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:55:37,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:55:37,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:55:37,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:55:37,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:55:37" (1/1) ... [2022-07-14 01:55:37,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d530793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:37, skipping insertion in model container [2022-07-14 01:55:37,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:55:37" (1/1) ... [2022-07-14 01:55:37,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:55:37,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:55:41,190 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--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-07-14 01:55:41,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:55:41,347 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:55:41,664 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [13101] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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) [2022-07-14 01:55:41,671 INFO L158 Benchmark]: Toolchain (without parser) took 3839.37ms. Allocated memory was 98.6MB in the beginning and 184.5MB in the end (delta: 86.0MB). Free memory was 47.0MB in the beginning and 77.1MB in the end (delta: -30.1MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2022-07-14 01:55:41,672 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 01:55:41,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3836.38ms. Allocated memory was 98.6MB in the beginning and 184.5MB in the end (delta: 86.0MB). Free memory was 46.8MB in the beginning and 77.1MB in the end (delta: -30.3MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2022-07-14 01:55:41,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3836.38ms. Allocated memory was 98.6MB in the beginning and 184.5MB in the end (delta: 86.0MB). Free memory was 46.8MB in the beginning and 77.1MB in the end (delta: -30.3MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [13101] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [13101]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) 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--ethernet--intel--ixgb--ixgb.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 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:55:43,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:55:43,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:55:43,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:55:43,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:55:43,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:55:43,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:55:43,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:55:43,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:55:43,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:55:43,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:55:43,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:55:43,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:55:43,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:55:43,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:55:43,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:55:43,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:55:43,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:55:43,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:55:43,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:55:43,201 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:55:43,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:55:43,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:55:43,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:55:43,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:55:43,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:55:43,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:55:43,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:55:43,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:55:43,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:55:43,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:55:43,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:55:43,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:55:43,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:55:43,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:55:43,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:55:43,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:55:43,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:55:43,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:55:43,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:55:43,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:55:43,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:55:43,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 01:55:43,258 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:55:43,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:55:43,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:55:43,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:55:43,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:55:43,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:55:43,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:55:43,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:55:43,265 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:55:43,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:55:43,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:55:43,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:55:43,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:55:43,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:55:43,267 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 01:55:43,267 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 01:55:43,267 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 01:55:43,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:55:43,267 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:55:43,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:55:43,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:55:43,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:55:43,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:55:43,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:55:43,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:55:43,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:55:43,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:55:43,269 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 01:55:43,269 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 01:55:43,269 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:55:43,269 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:55:43,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:55:43,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 01:55:43,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 [2022-07-14 01:55:43,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:55:43,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:55:43,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:55:43,560 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:55:43,560 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:55:43,561 INFO L432 ainManager$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--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-14 01:55:43,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e58173e/b32d0b2cb6504c9ba24ab053e924d721/FLAG270100d19 [2022-07-14 01:55:44,345 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:55:44,346 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--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-14 01:55:44,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e58173e/b32d0b2cb6504c9ba24ab053e924d721/FLAG270100d19 [2022-07-14 01:55:44,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e58173e/b32d0b2cb6504c9ba24ab053e924d721 [2022-07-14 01:55:44,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:55:44,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:55:44,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:55:44,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:55:44,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:55:44,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:55:44" (1/1) ... [2022-07-14 01:55:44,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232a236f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:44, skipping insertion in model container [2022-07-14 01:55:44,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:55:44" (1/1) ... [2022-07-14 01:55:44,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:55:44,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:55:47,201 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--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-07-14 01:55:47,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:55:47,350 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 01:55:47,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:55:47,804 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--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-07-14 01:55:47,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:55:47,868 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:55:48,212 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--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-07-14 01:55:48,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:55:48,427 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:55:48,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:48 WrapperNode [2022-07-14 01:55:48,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:55:48,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:55:48,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:55:48,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:55:48,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:48" (1/1) ... [2022-07-14 01:55:48,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:48" (1/1) ... [2022-07-14 01:55:48,822 INFO L137 Inliner]: procedures = 464, calls = 6036, calls flagged for inlining = 203, calls inlined = 184, statements flattened = 11044 [2022-07-14 01:55:48,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:55:48,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:55:48,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:55:48,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:55:48,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:48" (1/1) ... [2022-07-14 01:55:48,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:48" (1/1) ... [2022-07-14 01:55:48,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:48" (1/1) ... [2022-07-14 01:55:48,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:48" (1/1) ... [2022-07-14 01:55:49,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:48" (1/1) ... [2022-07-14 01:55:49,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:48" (1/1) ... [2022-07-14 01:55:49,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:48" (1/1) ... [2022-07-14 01:55:49,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:55:49,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:55:49,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:55:49,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:55:49,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:48" (1/1) ... [2022-07-14 01:55:49,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:55:49,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:55:49,255 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) [2022-07-14 01:55:49,263 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 [2022-07-14 01:55:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 01:55:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 01:55:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:55:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:55:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 01:55:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 01:55:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-14 01:55:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-14 01:55:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:55:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:55:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-14 01:55:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-14 01:55:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_error_detected [2022-07-14 01:55:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_error_detected [2022-07-14 01:55:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 01:55:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 01:55:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-07-14 01:55:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-07-14 01:55:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 01:55:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 01:55:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-14 01:55:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-14 01:55:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 01:55:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 01:55:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout_task [2022-07-14 01:55:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout_task [2022-07-14 01:55:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-14 01:55:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-14 01:55:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-14 01:55:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-14 01:55:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-14 01:55:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-14 01:55:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-14 01:55:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-14 01:55:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 01:55:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 01:55:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_features [2022-07-14 01:55:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_features [2022-07-14 01:55:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-14 01:55:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-14 01:55:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-14 01:55:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-14 01:55:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 01:55:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 01:55:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 01:55:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 01:55:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 01:55:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 01:55:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 01:55:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 01:55:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:55:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 01:55:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 01:55:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 01:55:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 01:55:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 01:55:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-14 01:55:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-14 01:55:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 01:55:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 01:55:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-14 01:55:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-14 01:55:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 01:55:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 01:55:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-14 01:55:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-14 01:55:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-14 01:55:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-14 01:55:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 01:55:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 01:55:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-14 01:55:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-14 01:55:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-14 01:55:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-14 01:55:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-14 01:55:49,295 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-14 01:55:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-14 01:55:49,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-14 01:55:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 01:55:49,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 01:55:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-14 01:55:49,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-14 01:55:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 01:55:49,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 01:55:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-14 01:55:49,296 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-14 01:55:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 01:55:49,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 01:55:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 01:55:49,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 01:55:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 01:55:49,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 01:55:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-14 01:55:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-14 01:55:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-14 01:55:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-14 01:55:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 01:55:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 01:55:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-14 01:55:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-14 01:55:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-14 01:55:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-14 01:55:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:55:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:55:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-14 01:55:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-14 01:55:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:55:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 01:55:49,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 01:55:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:55:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 01:55:49,301 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 01:55:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 01:55:49,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 01:55:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:55:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 01:55:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 01:55:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 01:55:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-14 01:55:49,304 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-14 01:55:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-14 01:55:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-14 01:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-14 01:55:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-14 01:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 01:55:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 01:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-14 01:55:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-14 01:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 01:55:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 01:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-14 01:55:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-14 01:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-14 01:55:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-14 01:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 01:55:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 01:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 01:55:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 01:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-14 01:55:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-14 01:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-14 01:55:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-14 01:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-14 01:55:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-14 01:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 01:55:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 01:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 01:55:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 01:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 01:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:55:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:55:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-14 01:55:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-14 01:55:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 01:55:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 01:55:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 01:55:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 01:55:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 01:55:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:55:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 01:55:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:55:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:55:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:55:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 01:55:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 01:55:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 01:55:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 01:55:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-14 01:55:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-14 01:55:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-14 01:55:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-14 01:55:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:55:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:55:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-14 01:55:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-14 01:55:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 01:55:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 01:55:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:55:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:55:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:55:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:55:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 01:55:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 01:55:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 01:55:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 01:55:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 01:55:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 01:55:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 01:55:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 01:55:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:55:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 01:55:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 01:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 01:55:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 01:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_kill_vid [2022-07-14 01:55:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_kill_vid [2022-07-14 01:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 01:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 01:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 01:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-14 01:55:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-14 01:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 01:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_change_mtu [2022-07-14 01:55:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_change_mtu [2022-07-14 01:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-14 01:55:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-14 01:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 01:55:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 01:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 01:55:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 01:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 01:55:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 01:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-14 01:55:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-14 01:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-14 01:55:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-14 01:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_fix_features [2022-07-14 01:55:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_fix_features [2022-07-14 01:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 01:55:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 01:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-14 01:55:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-14 01:55:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 01:55:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 01:55:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_slot_reset [2022-07-14 01:55:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_slot_reset [2022-07-14 01:55:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-14 01:55:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-14 01:55:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 01:55:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 01:55:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-14 01:55:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-14 01:55:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-14 01:55:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-14 01:55:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 01:55:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 01:55:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_mac [2022-07-14 01:55:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_mac [2022-07-14 01:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-14 01:55:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-14 01:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 01:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 01:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 01:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 01:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:55:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:55:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-14 01:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-14 01:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-14 01:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-14 01:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 01:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 01:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-14 01:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-14 01:55:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-14 01:55:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-14 01:55:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-14 01:55:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-14 01:55:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 01:55:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 01:55:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-14 01:55:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-14 01:55:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-14 01:55:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-14 01:55:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-14 01:55:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-14 01:55:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 01:55:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 01:55:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-14 01:55:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-14 01:55:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-14 01:55:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-14 01:55:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 01:55:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 01:55:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_stats [2022-07-14 01:55:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_stats [2022-07-14 01:55:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 01:55:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 01:55:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 01:55:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 01:55:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 01:55:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-14 01:55:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-14 01:55:50,164 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:55:50,167 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:55:50,946 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:57:43,374 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:57:43,391 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:57:43,391 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 01:57:43,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:57:43 BoogieIcfgContainer [2022-07-14 01:57:43,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:57:43,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:57:43,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:57:43,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:57:43,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:55:44" (1/3) ... [2022-07-14 01:57:43,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e7f227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:57:43, skipping insertion in model container [2022-07-14 01:57:43,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:55:48" (2/3) ... [2022-07-14 01:57:43,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e7f227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:57:43, skipping insertion in model container [2022-07-14 01:57:43,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:57:43" (3/3) ... [2022-07-14 01:57:43,400 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-14 01:57:43,409 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:57:43,410 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:57:43,488 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:57:43,492 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@3f41f4b6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@666d3f6e [2022-07-14 01:57:43,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:57:43,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 3096 states, 2096 states have (on average 1.3005725190839694) internal successors, (2726), 2129 states have internal predecessors, (2726), 871 states have call successors, (871), 128 states have call predecessors, (871), 127 states have return successors, (862), 858 states have call predecessors, (862), 862 states have call successors, (862) [2022-07-14 01:57:43,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-14 01:57:43,541 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:57:43,542 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:57:43,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:57:43,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:57:43,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1608542857, now seen corresponding path program 1 times [2022-07-14 01:57:43,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:57:43,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321718564] [2022-07-14 01:57:43,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:57:43,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:57:43,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:57:43,579 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) [2022-07-14 01:57:43,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 01:57:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:57:47,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 4424 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 01:57:47,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:57:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2022-07-14 01:57:47,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:57:47,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:57:47,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321718564] [2022-07-14 01:57:47,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321718564] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:57:47,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:57:47,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 01:57:47,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392491419] [2022-07-14 01:57:47,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:57:47,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 01:57:47,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:57:47,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 01:57:47,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 01:57:47,241 INFO L87 Difference]: Start difference. First operand has 3096 states, 2096 states have (on average 1.3005725190839694) internal successors, (2726), 2129 states have internal predecessors, (2726), 871 states have call successors, (871), 128 states have call predecessors, (871), 127 states have return successors, (862), 858 states have call predecessors, (862), 862 states have call successors, (862) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 01:57:47,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:57:47,445 INFO L93 Difference]: Finished difference Result 6187 states and 8979 transitions. [2022-07-14 01:57:47,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 01:57:47,447 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 172 [2022-07-14 01:57:47,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:57:47,480 INFO L225 Difference]: With dead ends: 6187 [2022-07-14 01:57:47,480 INFO L226 Difference]: Without dead ends: 3057 [2022-07-14 01:57:47,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 01:57:47,506 INFO L413 NwaCegarLoop]: 4453 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, 4453 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 [2022-07-14 01:57:47,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4453 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 01:57:47,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3057 states. [2022-07-14 01:57:47,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3057 to 3057. [2022-07-14 01:57:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3057 states, 2068 states have (on average 1.2886847195357833) internal successors, (2665), 2090 states have internal predecessors, (2665), 862 states have call successors, (862), 127 states have call predecessors, (862), 126 states have return successors, (860), 856 states have call predecessors, (860), 860 states have call successors, (860) [2022-07-14 01:57:47,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 4387 transitions. [2022-07-14 01:57:47,746 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 4387 transitions. Word has length 172 [2022-07-14 01:57:47,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:57:47,748 INFO L495 AbstractCegarLoop]: Abstraction has 3057 states and 4387 transitions. [2022-07-14 01:57:47,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 01:57:47,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 4387 transitions. [2022-07-14 01:57:47,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-14 01:57:47,759 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:57:47,760 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:57:47,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 01:57:47,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:57:47,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:57:47,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:57:47,975 INFO L85 PathProgramCache]: Analyzing trace with hash -333627761, now seen corresponding path program 1 times [2022-07-14 01:57:47,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:57:47,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855358013] [2022-07-14 01:57:47,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:57:47,979 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:57:47,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:57:47,980 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) [2022-07-14 01:57:47,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 01:57:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:57:51,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 4424 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 01:57:51,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:57:52,410 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-07-14 01:57:52,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:57:52,410 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:57:52,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855358013] [2022-07-14 01:57:52,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [855358013] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:57:52,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:57:52,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:57:52,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22703516] [2022-07-14 01:57:52,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:57:52,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:57:52,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:57:52,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:57:52,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:57:52,413 INFO L87 Difference]: Start difference. First operand 3057 states and 4387 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-14 01:57:54,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:57:54,496 INFO L93 Difference]: Finished difference Result 6110 states and 8783 transitions. [2022-07-14 01:57:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 01:57:54,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 172 [2022-07-14 01:57:54,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:57:54,517 INFO L225 Difference]: With dead ends: 6110 [2022-07-14 01:57:54,518 INFO L226 Difference]: Without dead ends: 3060 [2022-07-14 01:57:54,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:57:54,535 INFO L413 NwaCegarLoop]: 4367 mSDtfsCounter, 6 mSDsluCounter, 17430 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 21797 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-14 01:57:54,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 21797 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-14 01:57:54,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3060 states. [2022-07-14 01:57:54,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3060 to 3060. [2022-07-14 01:57:54,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3060 states, 2070 states have (on average 1.288888888888889) internal successors, (2668), 2093 states have internal predecessors, (2668), 862 states have call successors, (862), 127 states have call predecessors, (862), 127 states have return successors, (865), 856 states have call predecessors, (865), 860 states have call successors, (865) [2022-07-14 01:57:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 4395 transitions. [2022-07-14 01:57:54,653 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 4395 transitions. Word has length 172 [2022-07-14 01:57:54,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:57:54,655 INFO L495 AbstractCegarLoop]: Abstraction has 3060 states and 4395 transitions. [2022-07-14 01:57:54,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-14 01:57:54,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 4395 transitions. [2022-07-14 01:57:54,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-14 01:57:54,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:57:54,659 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:57:54,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 01:57:54,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:57:54,876 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:57:54,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:57:54,876 INFO L85 PathProgramCache]: Analyzing trace with hash -573758929, now seen corresponding path program 1 times [2022-07-14 01:57:54,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:57:54,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621326601] [2022-07-14 01:57:54,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:57:54,883 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:57:54,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:57:54,886 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) [2022-07-14 01:57:54,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 01:57:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:57:58,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 4512 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 01:57:58,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:57:59,398 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-07-14 01:57:59,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:58:01,384 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-14 01:58:01,384 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:58:01,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621326601] [2022-07-14 01:58:01,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621326601] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:58:01,384 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:58:01,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 01:58:01,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547399642] [2022-07-14 01:58:01,384 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:58:01,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 01:58:01,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:58:01,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 01:58:01,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 01:58:01,385 INFO L87 Difference]: Start difference. First operand 3060 states and 4395 transitions. Second operand has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-14 01:58:05,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:58:05,170 INFO L93 Difference]: Finished difference Result 6121 states and 8805 transitions. [2022-07-14 01:58:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 01:58:05,171 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 180 [2022-07-14 01:58:05,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:58:05,190 INFO L225 Difference]: With dead ends: 6121 [2022-07-14 01:58:05,190 INFO L226 Difference]: Without dead ends: 3068 [2022-07-14 01:58:05,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-14 01:58:05,214 INFO L413 NwaCegarLoop]: 4369 mSDtfsCounter, 12 mSDsluCounter, 26147 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 30516 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-14 01:58:05,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 30516 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-14 01:58:05,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2022-07-14 01:58:05,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 3066. [2022-07-14 01:58:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3066 states, 2074 states have (on average 1.2888138862102219) internal successors, (2673), 2097 states have internal predecessors, (2673), 863 states have call successors, (863), 128 states have call predecessors, (863), 128 states have return successors, (866), 857 states have call predecessors, (866), 861 states have call successors, (866) [2022-07-14 01:58:05,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3066 states to 3066 states and 4402 transitions. [2022-07-14 01:58:05,369 INFO L78 Accepts]: Start accepts. Automaton has 3066 states and 4402 transitions. Word has length 180 [2022-07-14 01:58:05,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:58:05,370 INFO L495 AbstractCegarLoop]: Abstraction has 3066 states and 4402 transitions. [2022-07-14 01:58:05,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-14 01:58:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 3066 states and 4402 transitions. [2022-07-14 01:58:05,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-14 01:58:05,374 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:58:05,374 INFO L195 NwaCegarLoop]: trace histogram [16, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:58:05,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 01:58:05,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:58:05,591 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:58:05,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:58:05,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1319599759, now seen corresponding path program 2 times [2022-07-14 01:58:05,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:58:05,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543137237] [2022-07-14 01:58:05,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:58:05,595 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:58:05,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:58:05,599 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) [2022-07-14 01:58:05,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 01:58:08,685 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:58:08,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:58:08,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 4064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 01:58:08,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:58:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-07-14 01:58:09,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:58:09,193 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:58:09,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543137237] [2022-07-14 01:58:09,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543137237] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:58:09,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:58:09,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 01:58:09,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111395168] [2022-07-14 01:58:09,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:58:09,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:58:09,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:58:09,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:58:09,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:58:09,194 INFO L87 Difference]: Start difference. First operand 3066 states and 4402 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 01:58:10,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:58:10,940 INFO L93 Difference]: Finished difference Result 8571 states and 12288 transitions. [2022-07-14 01:58:10,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:58:10,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 188 [2022-07-14 01:58:10,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:58:10,975 INFO L225 Difference]: With dead ends: 8571 [2022-07-14 01:58:10,975 INFO L226 Difference]: Without dead ends: 5536 [2022-07-14 01:58:10,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:58:10,996 INFO L413 NwaCegarLoop]: 5371 mSDtfsCounter, 3552 mSDsluCounter, 4219 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3552 SdHoareTripleChecker+Valid, 9590 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-14 01:58:10,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3552 Valid, 9590 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-14 01:58:11,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5536 states. [2022-07-14 01:58:11,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5536 to 5514. [2022-07-14 01:58:11,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5514 states, 3711 states have (on average 1.2829426030719482) internal successors, (4761), 3751 states have internal predecessors, (4761), 1566 states have call successors, (1566), 235 states have call predecessors, (1566), 236 states have return successors, (1574), 1554 states have call predecessors, (1574), 1564 states have call successors, (1574) [2022-07-14 01:58:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5514 states to 5514 states and 7901 transitions. [2022-07-14 01:58:11,310 INFO L78 Accepts]: Start accepts. Automaton has 5514 states and 7901 transitions. Word has length 188 [2022-07-14 01:58:11,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:58:11,312 INFO L495 AbstractCegarLoop]: Abstraction has 5514 states and 7901 transitions. [2022-07-14 01:58:11,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 01:58:11,312 INFO L276 IsEmpty]: Start isEmpty. Operand 5514 states and 7901 transitions. [2022-07-14 01:58:11,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-14 01:58:11,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:58:11,318 INFO L195 NwaCegarLoop]: trace histogram [16, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:58:11,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 01:58:11,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:58:11,531 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:58:11,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:58:11,532 INFO L85 PathProgramCache]: Analyzing trace with hash 820005464, now seen corresponding path program 1 times [2022-07-14 01:58:11,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:58:11,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881933161] [2022-07-14 01:58:11,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:58:11,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:58:11,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:58:11,536 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) [2022-07-14 01:58:11,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 01:58:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:58:15,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 4843 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 01:58:15,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:58:16,565 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 119 proven. 3 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-14 01:58:16,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:58:19,224 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2022-07-14 01:58:19,224 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:58:19,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881933161] [2022-07-14 01:58:19,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1881933161] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:58:19,224 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:58:19,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-14 01:58:19,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192500241] [2022-07-14 01:58:19,225 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:58:19,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 01:58:19,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:58:19,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 01:58:19,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-14 01:58:19,226 INFO L87 Difference]: Start difference. First operand 5514 states and 7901 transitions. Second operand has 13 states, 11 states have (on average 11.636363636363637) internal successors, (128), 13 states have internal predecessors, (128), 4 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2022-07-14 01:58:25,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:58:25,157 INFO L93 Difference]: Finished difference Result 11043 states and 15852 transitions. [2022-07-14 01:58:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 01:58:25,159 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 11.636363636363637) internal successors, (128), 13 states have internal predecessors, (128), 4 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 237 [2022-07-14 01:58:25,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:58:25,196 INFO L225 Difference]: With dead ends: 11043 [2022-07-14 01:58:25,197 INFO L226 Difference]: Without dead ends: 5533 [2022-07-14 01:58:25,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-14 01:58:25,227 INFO L413 NwaCegarLoop]: 4372 mSDtfsCounter, 26 mSDsluCounter, 30517 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 34889 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-14 01:58:25,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 34889 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-14 01:58:25,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5533 states. [2022-07-14 01:58:25,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5533 to 5527. [2022-07-14 01:58:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5527 states, 3721 states have (on average 1.2832571889277076) internal successors, (4775), 3761 states have internal predecessors, (4775), 1567 states have call successors, (1567), 237 states have call predecessors, (1567), 238 states have return successors, (1580), 1555 states have call predecessors, (1580), 1565 states have call successors, (1580) [2022-07-14 01:58:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5527 states to 5527 states and 7922 transitions. [2022-07-14 01:58:25,443 INFO L78 Accepts]: Start accepts. Automaton has 5527 states and 7922 transitions. Word has length 237 [2022-07-14 01:58:25,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:58:25,443 INFO L495 AbstractCegarLoop]: Abstraction has 5527 states and 7922 transitions. [2022-07-14 01:58:25,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 11.636363636363637) internal successors, (128), 13 states have internal predecessors, (128), 4 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2022-07-14 01:58:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 5527 states and 7922 transitions. [2022-07-14 01:58:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-14 01:58:25,447 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:58:25,447 INFO L195 NwaCegarLoop]: trace histogram [20, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:58:25,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 01:58:25,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:58:25,663 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:58:25,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:58:25,664 INFO L85 PathProgramCache]: Analyzing trace with hash 31492088, now seen corresponding path program 2 times [2022-07-14 01:58:25,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:58:25,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509060164] [2022-07-14 01:58:25,667 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:58:25,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:58:25,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:58:25,668 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) [2022-07-14 01:58:25,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 01:58:28,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:58:28,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:58:28,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 4071 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 01:58:28,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:58:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-07-14 01:58:29,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:58:29,070 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:58:29,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509060164] [2022-07-14 01:58:29,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509060164] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:58:29,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:58:29,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 01:58:29,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557402932] [2022-07-14 01:58:29,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:58:29,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:58:29,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:58:29,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:58:29,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:58:29,071 INFO L87 Difference]: Start difference. First operand 5527 states and 7922 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-14 01:58:30,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:58:30,021 INFO L93 Difference]: Finished difference Result 16259 states and 23290 transitions. [2022-07-14 01:58:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:58:30,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 241 [2022-07-14 01:58:30,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:58:30,073 INFO L225 Difference]: With dead ends: 16259 [2022-07-14 01:58:30,073 INFO L226 Difference]: Without dead ends: 10772 [2022-07-14 01:58:30,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:58:30,089 INFO L413 NwaCegarLoop]: 5428 mSDtfsCounter, 4193 mSDsluCounter, 4314 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4193 SdHoareTripleChecker+Valid, 9742 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 01:58:30,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4193 Valid, 9742 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 01:58:30,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10772 states. [2022-07-14 01:58:30,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10772 to 10766. [2022-07-14 01:58:30,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10766 states, 7253 states have (on average 1.2818144216186405) internal successors, (9297), 7330 states have internal predecessors, (9297), 3045 states have call successors, (3045), 464 states have call predecessors, (3045), 467 states have return successors, (3068), 3023 states have call predecessors, (3068), 3043 states have call successors, (3068) [2022-07-14 01:58:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10766 states to 10766 states and 15410 transitions. [2022-07-14 01:58:30,504 INFO L78 Accepts]: Start accepts. Automaton has 10766 states and 15410 transitions. Word has length 241 [2022-07-14 01:58:30,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:58:30,505 INFO L495 AbstractCegarLoop]: Abstraction has 10766 states and 15410 transitions. [2022-07-14 01:58:30,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-14 01:58:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 10766 states and 15410 transitions. [2022-07-14 01:58:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-07-14 01:58:30,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:58:30,513 INFO L195 NwaCegarLoop]: trace histogram [32, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:58:30,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-14 01:58:30,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:58:30,726 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:58:30,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:58:30,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1329511175, now seen corresponding path program 1 times [2022-07-14 01:58:30,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:58:30,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316279393] [2022-07-14 01:58:30,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:58:30,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:58:30,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:58:30,731 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) [2022-07-14 01:58:30,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 01:58:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:58:35,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 5394 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 01:58:35,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:58:36,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 584 proven. 6 refuted. 0 times theorem prover too weak. 1654 trivial. 0 not checked. [2022-07-14 01:58:36,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:58:40,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 2012 trivial. 0 not checked. [2022-07-14 01:58:40,164 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:58:40,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316279393] [2022-07-14 01:58:40,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316279393] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:58:40,166 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:58:40,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-14 01:58:40,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462479689] [2022-07-14 01:58:40,166 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:58:40,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 01:58:40,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:58:40,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 01:58:40,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-14 01:58:40,167 INFO L87 Difference]: Start difference. First operand 10766 states and 15410 transitions. Second operand has 15 states, 13 states have (on average 8.923076923076923) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-14 01:58:49,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:58:49,017 INFO L93 Difference]: Finished difference Result 21563 states and 30915 transitions. [2022-07-14 01:58:49,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 01:58:49,021 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 8.923076923076923) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) Word has length 387 [2022-07-14 01:58:49,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:58:49,062 INFO L225 Difference]: With dead ends: 21563 [2022-07-14 01:58:49,062 INFO L226 Difference]: Without dead ends: 10792 [2022-07-14 01:58:49,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 759 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-14 01:58:49,098 INFO L413 NwaCegarLoop]: 4373 mSDtfsCounter, 27 mSDsluCounter, 47971 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 52344 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-07-14 01:58:49,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 52344 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-07-14 01:58:49,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10792 states. [2022-07-14 01:58:49,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10792 to 10770. [2022-07-14 01:58:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10770 states, 7257 states have (on average 1.282210279729916) internal successors, (9305), 7334 states have internal predecessors, (9305), 3045 states have call successors, (3045), 464 states have call predecessors, (3045), 467 states have return successors, (3068), 3023 states have call predecessors, (3068), 3043 states have call successors, (3068) [2022-07-14 01:58:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10770 states to 10770 states and 15418 transitions. [2022-07-14 01:58:49,588 INFO L78 Accepts]: Start accepts. Automaton has 10770 states and 15418 transitions. Word has length 387 [2022-07-14 01:58:49,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:58:49,589 INFO L495 AbstractCegarLoop]: Abstraction has 10770 states and 15418 transitions. [2022-07-14 01:58:49,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 8.923076923076923) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-14 01:58:49,589 INFO L276 IsEmpty]: Start isEmpty. Operand 10770 states and 15418 transitions. [2022-07-14 01:58:49,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2022-07-14 01:58:49,596 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:58:49,596 INFO L195 NwaCegarLoop]: trace histogram [40, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:58:49,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-14 01:58:49,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:58:49,824 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:58:49,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:58:49,824 INFO L85 PathProgramCache]: Analyzing trace with hash -238388093, now seen corresponding path program 2 times [2022-07-14 01:58:49,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:58:49,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135119421] [2022-07-14 01:58:49,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:58:49,829 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:58:49,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:58:49,830 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) [2022-07-14 01:58:49,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 01:58:53,128 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:58:53,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:58:53,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 4095 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 01:58:53,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:59:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2624 trivial. 0 not checked. [2022-07-14 01:59:03,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:59:03,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:59:03,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135119421] [2022-07-14 01:59:03,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135119421] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:59:03,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:59:03,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 01:59:03,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611009707] [2022-07-14 01:59:03,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:59:03,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:59:03,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:59:03,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:59:03,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:59:03,931 INFO L87 Difference]: Start difference. First operand 10770 states and 15418 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-14 01:59:04,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:59:04,082 INFO L93 Difference]: Finished difference Result 10770 states and 15418 transitions. [2022-07-14 01:59:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:59:04,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 395 [2022-07-14 01:59:04,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:59:04,084 INFO L225 Difference]: With dead ends: 10770 [2022-07-14 01:59:04,084 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 01:59:04,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:59:04,106 INFO L413 NwaCegarLoop]: 4380 mSDtfsCounter, 4247 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4247 SdHoareTripleChecker+Valid, 4380 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 01:59:04,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4247 Valid, 4380 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 01:59:04,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 01:59:04,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 01:59:04,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 01:59:04,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 01:59:04,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 395 [2022-07-14 01:59:04,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:59:04,110 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 01:59:04,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-14 01:59:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 01:59:04,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 01:59:04,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-14 01:59:04,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 01:59:04,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:59:04,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.