./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.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 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:21:58,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:21:58,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:21:58,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:21:58,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:21:58,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:21:58,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:21:58,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:21:58,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:21:58,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:21:58,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:21:58,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:21:58,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:21:58,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:21:58,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:21:58,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:21:58,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:21:58,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:21:58,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:21:58,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:21:58,301 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:21:58,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:21:58,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:21:58,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:21:58,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:21:58,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:21:58,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:21:58,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:21:58,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:21:58,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:21:58,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:21:58,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:21:58,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:21:58,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:21:58,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:21:58,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:21:58,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:21:58,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:21:58,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:21:58,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:21:58,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:21:58,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:21:58,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:21:58,350 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:21:58,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:21:58,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:21:58,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:21:58,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:21:58,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:21:58,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:21:58,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:21:58,353 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:21:58,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:21:58,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:21:58,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:21:58,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:21:58,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:21:58,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:21:58,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:21:58,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:21:58,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:21:58,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:21:58,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:21:58,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:21:58,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:21:58,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:21:58,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:21:58,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:21:58,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:21:58,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:21:58,357 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:21:58,358 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:21:58,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:21:58,358 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2022-07-14 04:21:58,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:21:58,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:21:58,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:21:58,640 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:21:58,641 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:21:58,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-14 04:21:58,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f75e2aa0c/2139a76d8b144bbe85571d0b78729af3/FLAGcead3ffa7 [2022-07-14 04:21:59,522 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:21:59,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-14 04:21:59,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f75e2aa0c/2139a76d8b144bbe85571d0b78729af3/FLAGcead3ffa7 [2022-07-14 04:21:59,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f75e2aa0c/2139a76d8b144bbe85571d0b78729af3 [2022-07-14 04:21:59,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:21:59,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:21:59,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:21:59,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:21:59,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:21:59,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:21:59" (1/1) ... [2022-07-14 04:21:59,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:21:59, skipping insertion in model container [2022-07-14 04:21:59,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:21:59" (1/1) ... [2022-07-14 04:21:59,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:21:59,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:22:04,345 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-14 04:22:04,348 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-14 04:22:04,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:22:04,424 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:22:04,752 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 [14520] 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.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 04:22:04,761 INFO L158 Benchmark]: Toolchain (without parser) took 5039.52ms. Allocated memory was 109.1MB in the beginning and 169.9MB in the end (delta: 60.8MB). Free memory was 71.2MB in the beginning and 74.3MB in the end (delta: -3.1MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. [2022-07-14 04:22:04,762 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 66.9MB in the end (delta: 57.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 04:22:04,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5036.76ms. Allocated memory was 109.1MB in the beginning and 169.9MB in the end (delta: 60.8MB). Free memory was 70.8MB in the beginning and 74.3MB in the end (delta: -3.5MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. [2022-07-14 04:22:04,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 66.9MB in the end (delta: 57.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5036.76ms. Allocated memory was 109.1MB in the beginning and 169.9MB in the end (delta: 60.8MB). Free memory was 70.8MB in the beginning and 74.3MB in the end (delta: -3.5MB). Peak memory consumption was 98.0MB. 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 [14520] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14520]: 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.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 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:22:06,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:22:06,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:22:06,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:22:06,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:22:06,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:22:06,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:22:06,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:22:06,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:22:06,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:22:06,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:22:06,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:22:06,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:22:06,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:22:06,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:22:06,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:22:06,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:22:06,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:22:06,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:22:06,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:22:06,668 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:22:06,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:22:06,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:22:06,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:22:06,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:22:06,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:22:06,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:22:06,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:22:06,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:22:06,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:22:06,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:22:06,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:22:06,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:22:06,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:22:06,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:22:06,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:22:06,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:22:06,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:22:06,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:22:06,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:22:06,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:22:06,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:22:06,697 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 04:22:06,728 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:22:06,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:22:06,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:22:06,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:22:06,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:22:06,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:22:06,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:22:06,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:22:06,731 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:22:06,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:22:06,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:22:06,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:22:06,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:22:06,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:22:06,733 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 04:22:06,733 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 04:22:06,733 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 04:22:06,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:22:06,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:22:06,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:22:06,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:22:06,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:22:06,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:22:06,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:22:06,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:22:06,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:22:06,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:22:06,735 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 04:22:06,736 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 04:22:06,736 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:22:06,736 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:22:06,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:22:06,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 04:22:06,737 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2022-07-14 04:22:07,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:22:07,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:22:07,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:22:07,063 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:22:07,063 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:22:07,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-14 04:22:07,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa00f689e/bfe9256791e54ca19f69f77a43506801/FLAG12f9ad57d [2022-07-14 04:22:08,066 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:22:08,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-14 04:22:08,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa00f689e/bfe9256791e54ca19f69f77a43506801/FLAG12f9ad57d [2022-07-14 04:22:08,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa00f689e/bfe9256791e54ca19f69f77a43506801 [2022-07-14 04:22:08,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:22:08,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:22:08,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:22:08,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:22:08,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:22:08,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:22:08" (1/1) ... [2022-07-14 04:22:08,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de719ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:08, skipping insertion in model container [2022-07-14 04:22:08,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:22:08" (1/1) ... [2022-07-14 04:22:08,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:22:08,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:22:12,459 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-14 04:22:12,462 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-14 04:22:12,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:22:12,537 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 04:22:12,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:22:13,022 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-14 04:22:13,022 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-14 04:22:13,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:22:13,089 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:22:13,482 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-14 04:22:13,483 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-14 04:22:13,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:22:13,812 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:22:13,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:13 WrapperNode [2022-07-14 04:22:13,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:22:13,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:22:13,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:22:13,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:22:13,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:13" (1/1) ... [2022-07-14 04:22:13,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:13" (1/1) ... [2022-07-14 04:22:14,315 INFO L137 Inliner]: procedures = 588, calls = 6348, calls flagged for inlining = 279, calls inlined = 246, statements flattened = 11901 [2022-07-14 04:22:14,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:22:14,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:22:14,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:22:14,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:22:14,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:13" (1/1) ... [2022-07-14 04:22:14,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:13" (1/1) ... [2022-07-14 04:22:14,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:13" (1/1) ... [2022-07-14 04:22:14,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:13" (1/1) ... [2022-07-14 04:22:14,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:13" (1/1) ... [2022-07-14 04:22:14,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:13" (1/1) ... [2022-07-14 04:22:14,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:13" (1/1) ... [2022-07-14 04:22:14,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:22:14,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:22:14,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:22:14,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:22:14,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:13" (1/1) ... [2022-07-14 04:22:14,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:22:14,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:22:14,788 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 04:22:14,799 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 04:22:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 04:22:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 04:22:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:22:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:22:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 04:22:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 04:22:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-14 04:22:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-14 04:22:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:22:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:22:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-14 04:22:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-14 04:22:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 04:22:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 04:22:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:22:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:22:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-14 04:22:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-14 04:22:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 04:22:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 04:22:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-14 04:22:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-14 04:22:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-14 04:22:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-14 04:22:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-14 04:22:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-14 04:22:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-14 04:22:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-14 04:22:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 04:22:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 04:22:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-14 04:22:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-14 04:22:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 04:22:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 04:22:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-14 04:22:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-14 04:22:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 04:22:14,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 04:22:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:22:14,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:22:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 04:22:14,836 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 04:22:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 04:22:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 04:22:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-14 04:22:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-14 04:22:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 04:22:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 04:22:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:22:14,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:22:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:22:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 04:22:14,839 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 04:22:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 04:22:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 04:22:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 04:22:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-14 04:22:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-14 04:22:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 04:22:14,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 04:22:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-14 04:22:14,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-14 04:22:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:22:14,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:22:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-14 04:22:14,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-14 04:22:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-14 04:22:14,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-14 04:22:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:22:14,842 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:22:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-14 04:22:14,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-14 04:22:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:22:14,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:22:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-14 04:22:14,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-14 04:22:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-14 04:22:14,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-14 04:22:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 04:22:14,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 04:22:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-14 04:22:14,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-14 04:22:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:22:14,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:22:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-14 04:22:14,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-14 04:22:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:22:14,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:22:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:22:14,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:22:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 04:22:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 04:22:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:22:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:22:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:22:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:22:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 04:22:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 04:22:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-14 04:22:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-14 04:22:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-14 04:22:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-14 04:22:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 04:22:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 04:22:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-14 04:22:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-14 04:22:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-14 04:22:14,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-14 04:22:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-14 04:22:14,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-14 04:22:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:22:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-14 04:22:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-14 04:22:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 04:22:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 04:22:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:22:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 04:22:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 04:22:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:22:14,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:22:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 04:22:14,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 04:22:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:22:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 04:22:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 04:22:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:22:14,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:22:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 04:22:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-14 04:22:14,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-14 04:22:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-14 04:22:14,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-14 04:22:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 04:22:14,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 04:22:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 04:22:14,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 04:22:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-14 04:22:14,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-14 04:22:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 04:22:14,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 04:22:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-14 04:22:14,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-14 04:22:14,864 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 04:22:14,864 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 04:22:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-14 04:22:14,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-14 04:22:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-14 04:22:14,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-14 04:22:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 04:22:14,865 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 04:22:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:22:14,866 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:22:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:22:14,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:22:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-14 04:22:14,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-14 04:22:14,866 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-14 04:22:14,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-14 04:22:14,867 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-14 04:22:14,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-14 04:22:14,867 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 04:22:14,867 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 04:22:14,867 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 04:22:14,868 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 04:22:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 04:22:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-14 04:22:14,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-14 04:22:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:22:14,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:22:14,868 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-14 04:22:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-14 04:22:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 04:22:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 04:22:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 04:22:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 04:22:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 04:22:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:22:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 04:22:14,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:22:14,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:22:14,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:22:14,870 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 04:22:14,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 04:22:14,870 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 04:22:14,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 04:22:14,871 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-14 04:22:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-14 04:22:14,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:22:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:22:14,871 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-14 04:22:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-14 04:22:14,871 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 04:22:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 04:22:14,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:22:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:22:14,872 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:22:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:22:14,872 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-14 04:22:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-14 04:22:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-14 04:22:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-14 04:22:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 04:22:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 04:22:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 04:22:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 04:22:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 04:22:14,874 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 04:22:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 04:22:14,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 04:22:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:22:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 04:22:14,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 04:22:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 04:22:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 04:22:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:22:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 04:22:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 04:22:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 04:22:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-14 04:22:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-14 04:22:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 04:22:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:22:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 04:22:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 04:22:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:22:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:22:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:22:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:22:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 04:22:14,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 04:22:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-14 04:22:14,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-14 04:22:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-14 04:22:14,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-14 04:22:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 04:22:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 04:22:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-14 04:22:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-14 04:22:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 04:22:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 04:22:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:22:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:22:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-14 04:22:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-14 04:22:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:22:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:22:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 04:22:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 04:22:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-14 04:22:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-14 04:22:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-14 04:22:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-14 04:22:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:22:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:22:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-14 04:22:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-14 04:22:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 04:22:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 04:22:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 04:22:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 04:22:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:22:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:22:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-14 04:22:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-14 04:22:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 04:22:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 04:22:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-14 04:22:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-14 04:22:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 04:22:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 04:22:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-14 04:22:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-14 04:22:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-14 04:22:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-14 04:22:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-14 04:22:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-14 04:22:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 04:22:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 04:22:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-14 04:22:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-14 04:22:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-14 04:22:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-14 04:22:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-14 04:22:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-14 04:22:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-14 04:22:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-14 04:22:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-14 04:22:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-14 04:22:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:22:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:22:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 04:22:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 04:22:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 04:22:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 04:22:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 04:22:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 04:22:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:22:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:22:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 04:22:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-14 04:22:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-14 04:22:16,044 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:22:16,047 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:22:17,052 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:24:19,812 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:24:19,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:24:19,831 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 04:24:19,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:24:19 BoogieIcfgContainer [2022-07-14 04:24:19,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:24:19,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:24:19,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:24:19,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:24:19,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:22:08" (1/3) ... [2022-07-14 04:24:19,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8fd2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:24:19, skipping insertion in model container [2022-07-14 04:24:19,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:22:13" (2/3) ... [2022-07-14 04:24:19,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8fd2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:24:19, skipping insertion in model container [2022-07-14 04:24:19,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:24:19" (3/3) ... [2022-07-14 04:24:19,841 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-14 04:24:19,852 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:24:19,853 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-14 04:24:19,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:24:19,955 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@49ee554a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1f625c07 [2022-07-14 04:24:19,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-14 04:24:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 3089 states, 2061 states have (on average 1.2518195050946144) internal successors, (2580), 2105 states have internal predecessors, (2580), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) [2022-07-14 04:24:19,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-14 04:24:19,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:24:19,998 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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, 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 04:24:19,999 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:24:20,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:24:20,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1574577654, now seen corresponding path program 1 times [2022-07-14 04:24:20,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:24:20,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149169567] [2022-07-14 04:24:20,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:24:20,023 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:24:20,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:24:20,026 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 04:24:20,051 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 04:24:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:24,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 4374 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-14 04:24:24,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:24:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-14 04:24:27,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:24:27,034 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:24:27,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149169567] [2022-07-14 04:24:27,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [149169567] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:24:27,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:24:27,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-14 04:24:27,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371620470] [2022-07-14 04:24:27,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:24:27,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 04:24:27,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:24:27,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 04:24:27,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-14 04:24:27,071 INFO L87 Difference]: Start difference. First operand has 3089 states, 2061 states have (on average 1.2518195050946144) internal successors, (2580), 2105 states have internal predecessors, (2580), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) Second operand has 13 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2022-07-14 04:24:32,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:24:32,696 INFO L93 Difference]: Finished difference Result 6178 states and 8817 transitions. [2022-07-14 04:24:32,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 04:24:32,699 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) Word has length 163 [2022-07-14 04:24:32,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:24:32,740 INFO L225 Difference]: With dead ends: 6178 [2022-07-14 04:24:32,741 INFO L226 Difference]: Without dead ends: 3021 [2022-07-14 04:24:32,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-07-14 04:24:32,778 INFO L413 NwaCegarLoop]: 4325 mSDtfsCounter, 932 mSDsluCounter, 37619 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 41944 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:24:32,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 41944 Invalid, 453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-14 04:24:32,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3021 states. [2022-07-14 04:24:33,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3021 to 3019. [2022-07-14 04:24:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3019 states, 2024 states have (on average 1.240612648221344) internal successors, (2511), 2064 states have internal predecessors, (2511), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-07-14 04:24:33,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 3019 states and 4233 transitions. [2022-07-14 04:24:33,073 INFO L78 Accepts]: Start accepts. Automaton has 3019 states and 4233 transitions. Word has length 163 [2022-07-14 04:24:33,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:24:33,075 INFO L495 AbstractCegarLoop]: Abstraction has 3019 states and 4233 transitions. [2022-07-14 04:24:33,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2022-07-14 04:24:33,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3019 states and 4233 transitions. [2022-07-14 04:24:33,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-14 04:24:33,086 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:24:33,088 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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, 1, 1, 1, 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 04:24:33,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-14 04:24:33,303 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 04:24:33,304 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:24:33,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:24:33,304 INFO L85 PathProgramCache]: Analyzing trace with hash -946400979, now seen corresponding path program 1 times [2022-07-14 04:24:33,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:24:33,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839910349] [2022-07-14 04:24:33,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:24:33,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:24:33,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:24:33,313 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 04:24:33,353 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 04:24:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:37,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 4386 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-14 04:24:37,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:24:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-14 04:24:39,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:24:39,219 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:24:39,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839910349] [2022-07-14 04:24:39,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839910349] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:24:39,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:24:39,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-14 04:24:39,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205259026] [2022-07-14 04:24:39,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:24:39,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 04:24:39,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:24:39,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 04:24:39,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-14 04:24:39,221 INFO L87 Difference]: Start difference. First operand 3019 states and 4233 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2022-07-14 04:24:46,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:24:46,043 INFO L93 Difference]: Finished difference Result 7763 states and 11052 transitions. [2022-07-14 04:24:46,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-14 04:24:46,044 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 167 [2022-07-14 04:24:46,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:24:46,083 INFO L225 Difference]: With dead ends: 7763 [2022-07-14 04:24:46,084 INFO L226 Difference]: Without dead ends: 4760 [2022-07-14 04:24:46,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2022-07-14 04:24:46,111 INFO L413 NwaCegarLoop]: 5735 mSDtfsCounter, 2465 mSDsluCounter, 53843 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 753 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2709 SdHoareTripleChecker+Valid, 59578 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 753 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:24:46,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2709 Valid, 59578 Invalid, 1268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [753 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-14 04:24:46,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4760 states. [2022-07-14 04:24:46,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4760 to 3027. [2022-07-14 04:24:46,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3027 states, 2030 states have (on average 1.2399014778325124) internal successors, (2517), 2070 states have internal predecessors, (2517), 863 states have call successors, (863), 132 states have call predecessors, (863), 132 states have return successors, (863), 850 states have call predecessors, (863), 863 states have call successors, (863) [2022-07-14 04:24:46,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 3027 states and 4243 transitions. [2022-07-14 04:24:46,327 INFO L78 Accepts]: Start accepts. Automaton has 3027 states and 4243 transitions. Word has length 167 [2022-07-14 04:24:46,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:24:46,328 INFO L495 AbstractCegarLoop]: Abstraction has 3027 states and 4243 transitions. [2022-07-14 04:24:46,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2022-07-14 04:24:46,329 INFO L276 IsEmpty]: Start isEmpty. Operand 3027 states and 4243 transitions. [2022-07-14 04:24:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-14 04:24:46,333 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:24:46,334 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:46,416 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 04:24:46,547 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 04:24:46,548 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:24:46,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:24:46,548 INFO L85 PathProgramCache]: Analyzing trace with hash -412601518, now seen corresponding path program 1 times [2022-07-14 04:24:46,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:24:46,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3123803] [2022-07-14 04:24:46,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:24:46,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:24:46,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:24:46,555 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 04:24:46,557 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 04:24:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:50,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 4432 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 04:24:50,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:24:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-07-14 04:24:51,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:24:51,239 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:24:51,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3123803] [2022-07-14 04:24:51,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [3123803] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:24:51,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:24:51,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:24:51,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046333476] [2022-07-14 04:24:51,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:24:51,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:24:51,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:24:51,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:24:51,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:24:51,241 INFO L87 Difference]: Start difference. First operand 3027 states and 4243 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 04:24:53,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:24:53,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:24:53,859 INFO L93 Difference]: Finished difference Result 6143 states and 8623 transitions. [2022-07-14 04:24:53,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:24:53,860 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 184 [2022-07-14 04:24:53,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:24:53,884 INFO L225 Difference]: With dead ends: 6143 [2022-07-14 04:24:53,885 INFO L226 Difference]: Without dead ends: 3133 [2022-07-14 04:24:53,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:24:53,906 INFO L413 NwaCegarLoop]: 4264 mSDtfsCounter, 98 mSDsluCounter, 16983 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 21247 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:24:53,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 21247 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 04:24:53,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2022-07-14 04:24:54,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 3032. [2022-07-14 04:24:54,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 2034 states have (on average 1.2394296951819075) internal successors, (2521), 2074 states have internal predecessors, (2521), 863 states have call successors, (863), 132 states have call predecessors, (863), 133 states have return successors, (865), 851 states have call predecessors, (865), 863 states have call successors, (865) [2022-07-14 04:24:54,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 4249 transitions. [2022-07-14 04:24:54,061 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 4249 transitions. Word has length 184 [2022-07-14 04:24:54,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:24:54,062 INFO L495 AbstractCegarLoop]: Abstraction has 3032 states and 4249 transitions. [2022-07-14 04:24:54,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 04:24:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 4249 transitions. [2022-07-14 04:24:54,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-14 04:24:54,065 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:24:54,066 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:54,181 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 04:24:54,287 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 04:24:54,287 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:24:54,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:24:54,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1357205182, now seen corresponding path program 1 times [2022-07-14 04:24:54,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:24:54,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [685735508] [2022-07-14 04:24:54,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:24:54,293 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:24:54,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:24:54,298 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 04:24:54,300 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 04:24:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:24:58,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 4448 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-14 04:24:58,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:25:00,314 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-14 04:25:00,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:25:00,315 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:25:00,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [685735508] [2022-07-14 04:25:00,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [685735508] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:00,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:00,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-14 04:25:00,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541940719] [2022-07-14 04:25:00,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:00,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 04:25:00,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:25:00,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 04:25:00,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-14 04:25:00,317 INFO L87 Difference]: Start difference. First operand 3032 states and 4249 transitions. Second operand has 13 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-14 04:25:05,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:25:11,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:25:11,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:11,756 INFO L93 Difference]: Finished difference Result 7797 states and 11096 transitions. [2022-07-14 04:25:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-14 04:25:11,757 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 187 [2022-07-14 04:25:11,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:11,796 INFO L225 Difference]: With dead ends: 7797 [2022-07-14 04:25:11,796 INFO L226 Difference]: Without dead ends: 4781 [2022-07-14 04:25:11,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2022-07-14 04:25:11,819 INFO L413 NwaCegarLoop]: 5723 mSDtfsCounter, 2485 mSDsluCounter, 59395 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 796 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2728 SdHoareTripleChecker+Valid, 65118 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:11,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2728 Valid, 65118 Invalid, 1389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [796 Valid, 591 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-07-14 04:25:11,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4781 states. [2022-07-14 04:25:11,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4781 to 3032. [2022-07-14 04:25:12,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 2034 states have (on average 1.2394296951819075) internal successors, (2521), 2074 states have internal predecessors, (2521), 863 states have call successors, (863), 132 states have call predecessors, (863), 133 states have return successors, (865), 851 states have call predecessors, (865), 863 states have call successors, (865) [2022-07-14 04:25:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 4249 transitions. [2022-07-14 04:25:12,029 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 4249 transitions. Word has length 187 [2022-07-14 04:25:12,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:12,030 INFO L495 AbstractCegarLoop]: Abstraction has 3032 states and 4249 transitions. [2022-07-14 04:25:12,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-14 04:25:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 4249 transitions. [2022-07-14 04:25:12,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-07-14 04:25:12,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:12,036 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:12,125 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 04:25:12,255 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 04:25:12,256 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:25:12,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:12,256 INFO L85 PathProgramCache]: Analyzing trace with hash 990587220, now seen corresponding path program 1 times [2022-07-14 04:25:12,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:25:12,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309724332] [2022-07-14 04:25:12,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:12,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:25:12,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:25:12,261 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 04:25:12,263 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 04:25:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:39,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 20587 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 04:25:39,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:25:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-07-14 04:25:39,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:25:39,981 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:25:39,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309724332] [2022-07-14 04:25:39,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1309724332] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:39,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:39,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:39,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743898297] [2022-07-14 04:25:39,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:39,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:39,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:25:39,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:39,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:39,984 INFO L87 Difference]: Start difference. First operand 3032 states and 4249 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 04:25:42,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:25:43,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:43,179 INFO L93 Difference]: Finished difference Result 6100 states and 8551 transitions. [2022-07-14 04:25:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:25:43,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 303 [2022-07-14 04:25:43,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:43,200 INFO L225 Difference]: With dead ends: 6100 [2022-07-14 04:25:43,201 INFO L226 Difference]: Without dead ends: 3085 [2022-07-14 04:25:43,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:25:43,217 INFO L413 NwaCegarLoop]: 4286 mSDtfsCounter, 83 mSDsluCounter, 12700 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 35 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 16986 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:43,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 16986 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-14 04:25:43,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2022-07-14 04:25:43,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 3035. [2022-07-14 04:25:43,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 2037 states have (on average 1.2390770741286206) internal successors, (2524), 2077 states have internal predecessors, (2524), 863 states have call successors, (863), 132 states have call predecessors, (863), 133 states have return successors, (865), 851 states have call predecessors, (865), 863 states have call successors, (865) [2022-07-14 04:25:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4252 transitions. [2022-07-14 04:25:43,374 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4252 transitions. Word has length 303 [2022-07-14 04:25:43,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:43,375 INFO L495 AbstractCegarLoop]: Abstraction has 3035 states and 4252 transitions. [2022-07-14 04:25:43,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 04:25:43,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4252 transitions. [2022-07-14 04:25:43,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-07-14 04:25:43,380 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:43,380 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:43,591 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 04:25:43,599 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 04:25:43,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:25:43,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:43,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1038498589, now seen corresponding path program 1 times [2022-07-14 04:25:43,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:25:43,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816451176] [2022-07-14 04:25:43,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:43,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:25:43,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:25:43,605 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 04:25:43,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process