./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.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 cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:42:35,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:42:35,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:42:35,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:42:35,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:42:35,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:42:35,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:42:35,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:42:35,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:42:35,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:42:35,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:42:35,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:42:35,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:42:35,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:42:35,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:42:35,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:42:35,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:42:35,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:42:35,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:42:35,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:42:35,236 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:42:35,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:42:35,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:42:35,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:42:35,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:42:35,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:42:35,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:42:35,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:42:35,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:42:35,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:42:35,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:42:35,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:42:35,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:42:35,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:42:35,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:42:35,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:42:35,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:42:35,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:42:35,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:42:35,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:42:35,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:42:35,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:42:35,258 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:42:35,285 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:42:35,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:42:35,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:42:35,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:42:35,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:42:35,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:42:35,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:42:35,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:42:35,288 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:42:35,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:42:35,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:42:35,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:42:35,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:42:35,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:42:35,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:42:35,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:42:35,290 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:42:35,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:42:35,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:42:35,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:42:35,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:42:35,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:42:35,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:42:35,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:42:35,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:42:35,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:42:35,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:42:35,293 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:42:35,293 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:42:35,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:42:35,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 [2022-07-12 14:42:35,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:42:35,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:42:35,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:42:35,513 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:42:35,514 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:42:35,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-12 14:42:35,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b9a15950/d6c9a2df7d15472a8cfad907612da3ec/FLAG3cd29f9d2 [2022-07-12 14:42:36,293 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:42:36,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-12 14:42:36,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b9a15950/d6c9a2df7d15472a8cfad907612da3ec/FLAG3cd29f9d2 [2022-07-12 14:42:36,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b9a15950/d6c9a2df7d15472a8cfad907612da3ec [2022-07-12 14:42:36,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:42:36,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:42:36,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:42:36,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:42:36,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:42:36,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:42:36" (1/1) ... [2022-07-12 14:42:36,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d235abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:36, skipping insertion in model container [2022-07-12 14:42:36,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:42:36" (1/1) ... [2022-07-12 14:42:36,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:42:36,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:42:40,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2022-07-12 14:42:40,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2022-07-12 14:42:40,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:42:40,600 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:42:40,756 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: cmd = (unsigned int )cmd & 64510U [8467] 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) [2022-07-12 14:42:40,766 INFO L158 Benchmark]: Toolchain (without parser) took 3955.66ms. Allocated memory was 107.0MB in the beginning and 169.9MB in the end (delta: 62.9MB). Free memory was 60.7MB in the beginning and 88.6MB in the end (delta: -27.9MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2022-07-12 14:42:40,767 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 14:42:40,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3953.97ms. Allocated memory was 107.0MB in the beginning and 169.9MB in the end (delta: 62.9MB). Free memory was 60.5MB in the beginning and 88.6MB in the end (delta: -28.1MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2022-07-12 14:42:40,769 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3953.97ms. Allocated memory was 107.0MB in the beginning and 169.9MB in the end (delta: 62.9MB). Free memory was 60.5MB in the beginning and 88.6MB in the end (delta: -28.1MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8467] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8467]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.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 cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:42:42,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:42:42,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:42:42,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:42:42,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:42:42,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:42:42,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:42:42,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:42:42,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:42:42,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:42:42,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:42:42,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:42:42,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:42:42,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:42:42,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:42:42,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:42:42,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:42:42,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:42:42,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:42:42,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:42:42,474 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:42:42,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:42:42,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:42:42,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:42:42,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:42:42,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:42:42,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:42:42,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:42:42,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:42:42,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:42:42,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:42:42,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:42:42,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:42:42,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:42:42,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:42:42,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:42:42,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:42:42,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:42:42,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:42:42,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:42:42,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:42:42,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:42:42,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 14:42:42,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:42:42,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:42:42,532 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:42:42,532 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:42:42,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:42:42,533 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:42:42,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:42:42,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:42:42,534 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:42:42,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:42:42,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:42:42,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:42:42,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:42:42,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:42:42,536 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 14:42:42,536 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 14:42:42,536 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 14:42:42,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:42:42,536 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:42:42,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:42:42,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:42:42,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:42:42,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:42:42,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:42:42,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:42:42,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:42:42,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:42:42,538 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 14:42:42,538 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 14:42:42,538 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:42:42,539 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:42:42,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:42:42,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 14:42:42,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 [2022-07-12 14:42:42,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:42:42,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:42:42,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:42:42,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:42:42,882 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:42:42,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-12 14:42:42,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ed9a050/0dbae34915c842ed97dca67e4005c06e/FLAGa59accae9 [2022-07-12 14:42:43,876 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:42:43,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-12 14:42:43,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ed9a050/0dbae34915c842ed97dca67e4005c06e/FLAGa59accae9 [2022-07-12 14:42:44,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ed9a050/0dbae34915c842ed97dca67e4005c06e [2022-07-12 14:42:44,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:42:44,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:42:44,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:42:44,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:42:44,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:42:44,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:42:44" (1/1) ... [2022-07-12 14:42:44,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9052fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:44, skipping insertion in model container [2022-07-12 14:42:44,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:42:44" (1/1) ... [2022-07-12 14:42:44,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:42:44,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:42:48,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2022-07-12 14:42:48,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2022-07-12 14:42:48,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:42:48,224 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 14:42:48,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:42:48,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2022-07-12 14:42:48,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2022-07-12 14:42:48,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:42:48,720 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:42:49,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2022-07-12 14:42:49,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2022-07-12 14:42:49,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:42:49,475 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:42:49,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:49 WrapperNode [2022-07-12 14:42:49,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:42:49,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:42:49,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:42:49,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:42:49,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:49" (1/1) ... [2022-07-12 14:42:49,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:49" (1/1) ... [2022-07-12 14:42:49,838 INFO L137 Inliner]: procedures = 638, calls = 3565, calls flagged for inlining = 310, calls inlined = 274, statements flattened = 7815 [2022-07-12 14:42:49,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:42:49,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:42:49,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:42:49,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:42:49,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:49" (1/1) ... [2022-07-12 14:42:49,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:49" (1/1) ... [2022-07-12 14:42:49,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:49" (1/1) ... [2022-07-12 14:42:49,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:49" (1/1) ... [2022-07-12 14:42:50,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:49" (1/1) ... [2022-07-12 14:42:50,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:49" (1/1) ... [2022-07-12 14:42:50,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:49" (1/1) ... [2022-07-12 14:42:50,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:42:50,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:42:50,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:42:50,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:42:50,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:49" (1/1) ... [2022-07-12 14:42:50,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:42:50,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:42:50,182 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) [2022-07-12 14:42:50,184 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 [2022-07-12 14:42:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 14:42:50,212 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 14:42:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 14:42:50,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 14:42:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-07-12 14:42:50,213 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-07-12 14:42:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:42:50,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:42:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-07-12 14:42:50,214 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-07-12 14:42:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-12 14:42:50,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-12 14:42:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 14:42:50,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 14:42:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:42:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:42:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-07-12 14:42:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-07-12 14:42:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-12 14:42:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-12 14:42:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 14:42:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 14:42:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 14:42:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 14:42:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 14:42:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 14:42:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 14:42:50,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 14:42:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-07-12 14:42:50,217 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-07-12 14:42:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-07-12 14:42:50,217 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-07-12 14:42:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-07-12 14:42:50,218 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-07-12 14:42:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-07-12 14:42:50,218 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-07-12 14:42:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 14:42:50,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 14:42:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 14:42:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 14:42:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-07-12 14:42:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-07-12 14:42:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 14:42:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 14:42:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 14:42:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 14:42:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:42:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:42:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:42:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:42:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 14:42:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 14:42:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-07-12 14:42:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-07-12 14:42:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 14:42:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 14:42:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-12 14:42:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-12 14:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2022-07-12 14:42:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2022-07-12 14:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-12 14:42:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-12 14:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 14:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 14:42:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 14:42:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 14:42:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-07-12 14:42:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-07-12 14:42:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 14:42:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 14:42:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-07-12 14:42:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-07-12 14:42:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-12 14:42:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-12 14:42:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 14:42:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 14:42:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:42:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:42:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-07-12 14:42:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-07-12 14:42:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 14:42:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 14:42:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 14:42:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 14:42:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-07-12 14:42:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-07-12 14:42:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 14:42:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 14:42:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 14:42:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 14:42:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 14:42:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 14:42:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-12 14:42:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-12 14:42:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:42:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:42:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 14:42:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 14:42:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 14:42:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 14:42:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 14:42:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 14:42:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-12 14:42:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-12 14:42:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 14:42:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 14:42:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:42:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:42:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-07-12 14:42:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-07-12 14:42:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 14:42:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 14:42:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 14:42:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 14:42:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-07-12 14:42:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-07-12 14:42:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:42:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-07-12 14:42:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-07-12 14:42:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 14:42:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 14:42:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 14:42:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 14:42:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:42:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 14:42:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 14:42:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 14:42:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 14:42:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 14:42:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 14:42:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:42:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 14:42:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 14:42:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 14:42:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 14:42:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-12 14:42:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-12 14:42:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:42:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:42:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 14:42:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 14:42:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-12 14:42:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-12 14:42:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-07-12 14:42:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-07-12 14:42:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 14:42:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 14:42:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-07-12 14:42:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-07-12 14:42:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 14:42:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 14:42:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-12 14:42:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-12 14:42:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 14:42:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 14:42:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 14:42:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 14:42:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 14:42:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 14:42:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 14:42:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 14:42:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-07-12 14:42:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-07-12 14:42:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-12 14:42:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-12 14:42:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 14:42:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 14:42:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 14:42:50,239 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 14:42:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-07-12 14:42:50,239 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-07-12 14:42:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 14:42:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-12 14:42:50,239 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-12 14:42:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-12 14:42:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-12 14:42:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:42:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:42:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-12 14:42:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-12 14:42:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 14:42:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 14:42:50,241 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 14:42:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 14:42:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 14:42:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:42:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 14:42:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:42:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:42:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:42:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 14:42:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 14:42:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 14:42:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 14:42:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 14:42:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 14:42:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-07-12 14:42:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-07-12 14:42:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-12 14:42:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-12 14:42:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 14:42:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 14:42:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-12 14:42:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-12 14:42:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-12 14:42:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-12 14:42:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-12 14:42:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-12 14:42:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 14:42:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 14:42:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:42:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:42:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-07-12 14:42:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-07-12 14:42:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 14:42:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 14:42:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-12 14:42:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-12 14:42:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:42:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 14:42:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 14:42:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-12 14:42:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-12 14:42:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 14:42:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 14:42:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-07-12 14:42:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-07-12 14:42:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_114 [2022-07-12 14:42:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_114 [2022-07-12 14:42:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:42:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-07-12 14:42:50,248 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-07-12 14:42:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-07-12 14:42:50,248 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-07-12 14:42:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-12 14:42:50,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-12 14:42:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 14:42:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 14:42:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2022-07-12 14:42:50,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2022-07-12 14:42:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 14:42:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-07-12 14:42:50,249 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-07-12 14:42:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 14:42:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:42:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-07-12 14:42:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-07-12 14:42:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 14:42:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 14:42:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 14:42:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 14:42:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:42:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:42:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 14:42:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 14:42:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 14:42:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 14:42:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 14:42:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 14:42:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-07-12 14:42:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-07-12 14:42:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-07-12 14:42:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-07-12 14:42:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-07-12 14:42:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-07-12 14:42:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:42:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:42:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-12 14:42:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-12 14:42:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-07-12 14:42:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-07-12 14:42:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 14:42:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 14:42:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-12 14:42:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-12 14:42:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-07-12 14:42:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-07-12 14:42:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:42:50,255 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:42:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-07-12 14:42:50,255 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-07-12 14:42:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 14:42:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 14:42:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 14:42:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 14:42:50,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:42:50,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:42:50,256 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-07-12 14:42:50,256 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-07-12 14:42:50,256 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-07-12 14:42:50,256 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-07-12 14:42:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 14:42:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 14:42:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 14:42:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 14:42:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-07-12 14:42:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-07-12 14:42:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2022-07-12 14:42:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2022-07-12 14:42:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 14:42:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 14:42:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-07-12 14:42:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-07-12 14:42:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-12 14:42:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-12 14:42:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 14:42:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 14:42:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 14:42:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 14:42:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-07-12 14:42:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-07-12 14:42:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 14:42:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 14:42:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 14:42:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 14:42:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-07-12 14:42:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-07-12 14:42:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-12 14:42:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-12 14:42:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 14:42:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 14:42:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-12 14:42:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-12 14:42:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 14:42:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 14:42:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-07-12 14:42:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-07-12 14:42:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-07-12 14:42:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-07-12 14:42:51,263 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:42:51,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:42:52,016 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:43:55,650 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 14:43:56,105 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:43:56,128 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:43:56,128 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 14:43:56,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:43:56 BoogieIcfgContainer [2022-07-12 14:43:56,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:43:56,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:43:56,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:43:56,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:43:56,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:42:44" (1/3) ... [2022-07-12 14:43:56,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d259143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:43:56, skipping insertion in model container [2022-07-12 14:43:56,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:42:49" (2/3) ... [2022-07-12 14:43:56,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d259143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:43:56, skipping insertion in model container [2022-07-12 14:43:56,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:43:56" (3/3) ... [2022-07-12 14:43:56,139 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-12 14:43:56,150 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:43:56,151 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:43:56,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:43:56,265 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@68a9f280, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@22b9bed5 [2022-07-12 14:43:56,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:43:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 2837 states, 1921 states have (on average 1.2613222280062468) internal successors, (2423), 1946 states have internal predecessors, (2423), 767 states have call successors, (767), 149 states have call predecessors, (767), 148 states have return successors, (761), 759 states have call predecessors, (761), 761 states have call successors, (761) [2022-07-12 14:43:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-07-12 14:43:56,319 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:56,321 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 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] [2022-07-12 14:43:56,321 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:56,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:56,327 INFO L85 PathProgramCache]: Analyzing trace with hash -24091557, now seen corresponding path program 1 times [2022-07-12 14:43:56,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:43:56,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359917227] [2022-07-12 14:43:56,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:56,343 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:43:56,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:43:56,347 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) [2022-07-12 14:43:56,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 14:43:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:59,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 2352 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:43:59,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:43:59,481 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2022-07-12 14:43:59,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:43:59,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:43:59,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359917227] [2022-07-12 14:43:59,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359917227] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:59,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:43:59,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:43:59,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778324365] [2022-07-12 14:43:59,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:59,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:43:59,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:43:59,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:43:59,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:43:59,521 INFO L87 Difference]: Start difference. First operand has 2837 states, 1921 states have (on average 1.2613222280062468) internal successors, (2423), 1946 states have internal predecessors, (2423), 767 states have call successors, (767), 149 states have call predecessors, (767), 148 states have return successors, (761), 759 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-12 14:44:00,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:44:00,741 INFO L93 Difference]: Finished difference Result 7550 states and 10578 transitions. [2022-07-12 14:44:00,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:44:00,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 231 [2022-07-12 14:44:00,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:44:00,785 INFO L225 Difference]: With dead ends: 7550 [2022-07-12 14:44:00,786 INFO L226 Difference]: Without dead ends: 4660 [2022-07-12 14:44:00,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:00,809 INFO L413 NwaCegarLoop]: 4457 mSDtfsCounter, 2640 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2640 SdHoareTripleChecker+Valid, 8277 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:44:00,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2640 Valid, 8277 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 14:44:00,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2022-07-12 14:44:01,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4656. [2022-07-12 14:44:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4656 states, 3168 states have (on average 1.2512626262626263) internal successors, (3964), 3211 states have internal predecessors, (3964), 1222 states have call successors, (1222), 266 states have call predecessors, (1222), 265 states have return successors, (1222), 1215 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-07-12 14:44:01,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 6408 transitions. [2022-07-12 14:44:01,137 INFO L78 Accepts]: Start accepts. Automaton has 4656 states and 6408 transitions. Word has length 231 [2022-07-12 14:44:01,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:44:01,140 INFO L495 AbstractCegarLoop]: Abstraction has 4656 states and 6408 transitions. [2022-07-12 14:44:01,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-12 14:44:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 4656 states and 6408 transitions. [2022-07-12 14:44:01,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-07-12 14:44:01,149 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:44:01,149 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:44:01,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 14:44:01,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:44:01,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:44:01,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:44:01,363 INFO L85 PathProgramCache]: Analyzing trace with hash 757183165, now seen corresponding path program 1 times [2022-07-12 14:44:01,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:44:01,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946293619] [2022-07-12 14:44:01,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:44:01,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:44:01,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:44:01,371 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) [2022-07-12 14:44:01,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 14:44:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:04,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 2610 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:44:04,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:44:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-12 14:44:04,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:44:04,621 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:44:04,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946293619] [2022-07-12 14:44:04,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946293619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:44:04,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:44:04,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:44:04,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609765085] [2022-07-12 14:44:04,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:44:04,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:44:04,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:44:04,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:44:04,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:04,624 INFO L87 Difference]: Start difference. First operand 4656 states and 6408 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 14:44:05,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:44:05,699 INFO L93 Difference]: Finished difference Result 11688 states and 16054 transitions. [2022-07-12 14:44:05,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:44:05,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 239 [2022-07-12 14:44:05,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:44:05,757 INFO L225 Difference]: With dead ends: 11688 [2022-07-12 14:44:05,757 INFO L226 Difference]: Without dead ends: 7065 [2022-07-12 14:44:05,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:05,787 INFO L413 NwaCegarLoop]: 5826 mSDtfsCounter, 2621 mSDsluCounter, 3795 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 9621 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:44:05,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 9621 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 14:44:05,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7065 states. [2022-07-12 14:44:06,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7065 to 7061. [2022-07-12 14:44:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7061 states, 4834 states have (on average 1.2498965659908978) internal successors, (6042), 4895 states have internal predecessors, (6042), 1808 states have call successors, (1808), 419 states have call predecessors, (1808), 418 states have return successors, (1808), 1798 states have call predecessors, (1808), 1808 states have call successors, (1808) [2022-07-12 14:44:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 9658 transitions. [2022-07-12 14:44:06,144 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 9658 transitions. Word has length 239 [2022-07-12 14:44:06,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:44:06,145 INFO L495 AbstractCegarLoop]: Abstraction has 7061 states and 9658 transitions. [2022-07-12 14:44:06,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 14:44:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 9658 transitions. [2022-07-12 14:44:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-07-12 14:44:06,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:44:06,157 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 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] [2022-07-12 14:44:06,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 14:44:06,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:44:06,380 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:44:06,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:44:06,381 INFO L85 PathProgramCache]: Analyzing trace with hash -2051024223, now seen corresponding path program 1 times [2022-07-12 14:44:06,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:44:06,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569461462] [2022-07-12 14:44:06,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:44:06,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:44:06,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:44:06,390 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) [2022-07-12 14:44:06,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 14:44:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:09,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:44:09,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:44:10,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2022-07-12 14:44:10,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:44:10,267 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:44:10,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569461462] [2022-07-12 14:44:10,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1569461462] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:44:10,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:44:10,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:44:10,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100306483] [2022-07-12 14:44:10,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:44:10,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:44:10,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:44:10,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:44:10,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:10,270 INFO L87 Difference]: Start difference. First operand 7061 states and 9658 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-12 14:44:11,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:44:11,279 INFO L93 Difference]: Finished difference Result 16505 states and 22560 transitions. [2022-07-12 14:44:11,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:44:11,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 303 [2022-07-12 14:44:11,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:44:11,344 INFO L225 Difference]: With dead ends: 16505 [2022-07-12 14:44:11,344 INFO L226 Difference]: Without dead ends: 9477 [2022-07-12 14:44:11,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:11,380 INFO L413 NwaCegarLoop]: 6464 mSDtfsCounter, 2607 mSDsluCounter, 3784 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2607 SdHoareTripleChecker+Valid, 10248 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:44:11,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2607 Valid, 10248 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 14:44:11,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9477 states. [2022-07-12 14:44:11,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9477 to 9473. [2022-07-12 14:44:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9473 states, 6502 states have (on average 1.2491541064287912) internal successors, (8122), 6581 states have internal predecessors, (8122), 2397 states have call successors, (2397), 574 states have call predecessors, (2397), 573 states have return successors, (2397), 2384 states have call predecessors, (2397), 2397 states have call successors, (2397) [2022-07-12 14:44:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9473 states to 9473 states and 12916 transitions. [2022-07-12 14:44:11,735 INFO L78 Accepts]: Start accepts. Automaton has 9473 states and 12916 transitions. Word has length 303 [2022-07-12 14:44:11,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:44:11,742 INFO L495 AbstractCegarLoop]: Abstraction has 9473 states and 12916 transitions. [2022-07-12 14:44:11,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-12 14:44:11,743 INFO L276 IsEmpty]: Start isEmpty. Operand 9473 states and 12916 transitions. [2022-07-12 14:44:11,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-12 14:44:11,754 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:44:11,755 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 14, 14, 14, 14, 14, 14, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:44:11,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 14:44:11,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:44:11,980 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:44:11,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:44:11,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1199044650, now seen corresponding path program 1 times [2022-07-12 14:44:11,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:44:11,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006393930] [2022-07-12 14:44:11,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:44:11,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:44:11,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:44:11,987 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) [2022-07-12 14:44:11,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 14:44:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:15,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 2892 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:44:15,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:44:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1258 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2022-07-12 14:44:15,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:44:15,645 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:44:15,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006393930] [2022-07-12 14:44:15,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006393930] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:44:15,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:44:15,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:44:15,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039763905] [2022-07-12 14:44:15,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:44:15,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:44:15,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:44:15,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:44:15,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:15,648 INFO L87 Difference]: Start difference. First operand 9473 states and 12916 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-12 14:44:16,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:44:16,689 INFO L93 Difference]: Finished difference Result 21315 states and 29052 transitions. [2022-07-12 14:44:16,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:44:16,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 377 [2022-07-12 14:44:16,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:44:16,763 INFO L225 Difference]: With dead ends: 21315 [2022-07-12 14:44:16,764 INFO L226 Difference]: Without dead ends: 11875 [2022-07-12 14:44:16,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:16,804 INFO L413 NwaCegarLoop]: 6473 mSDtfsCounter, 2619 mSDsluCounter, 3791 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2619 SdHoareTripleChecker+Valid, 10264 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:44:16,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 10264 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 14:44:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11875 states. [2022-07-12 14:44:17,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11875 to 11871. [2022-07-12 14:44:17,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11871 states, 8160 states have (on average 1.2490196078431373) internal successors, (10192), 8257 states have internal predecessors, (10192), 2983 states have call successors, (2983), 728 states have call predecessors, (2983), 727 states have return successors, (2983), 2967 states have call predecessors, (2983), 2983 states have call successors, (2983) [2022-07-12 14:44:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11871 states to 11871 states and 16158 transitions. [2022-07-12 14:44:17,225 INFO L78 Accepts]: Start accepts. Automaton has 11871 states and 16158 transitions. Word has length 377 [2022-07-12 14:44:17,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:44:17,226 INFO L495 AbstractCegarLoop]: Abstraction has 11871 states and 16158 transitions. [2022-07-12 14:44:17,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-12 14:44:17,226 INFO L276 IsEmpty]: Start isEmpty. Operand 11871 states and 16158 transitions. [2022-07-12 14:44:17,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-12 14:44:17,239 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:44:17,239 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 14, 14, 14, 14, 14, 14, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:44:17,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 14:44:17,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:44:17,456 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:44:17,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:44:17,456 INFO L85 PathProgramCache]: Analyzing trace with hash 367713300, now seen corresponding path program 1 times [2022-07-12 14:44:17,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:44:17,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926854898] [2022-07-12 14:44:17,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:44:17,462 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:44:17,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:44:17,463 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) [2022-07-12 14:44:17,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 14:44:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:20,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 2892 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:44:20,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:44:20,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1258 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2022-07-12 14:44:20,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:44:20,737 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:44:20,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926854898] [2022-07-12 14:44:20,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926854898] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:44:20,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:44:20,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:44:20,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096034295] [2022-07-12 14:44:20,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:44:20,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:44:20,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:44:20,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:44:20,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:20,740 INFO L87 Difference]: Start difference. First operand 11871 states and 16158 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-12 14:44:21,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:44:21,852 INFO L93 Difference]: Finished difference Result 26955 states and 36684 transitions. [2022-07-12 14:44:21,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:44:21,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 377 [2022-07-12 14:44:21,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:44:21,924 INFO L225 Difference]: With dead ends: 26955 [2022-07-12 14:44:21,925 INFO L226 Difference]: Without dead ends: 15117 [2022-07-12 14:44:21,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:21,967 INFO L413 NwaCegarLoop]: 6689 mSDtfsCounter, 3221 mSDsluCounter, 3444 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 10133 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:44:21,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3221 Valid, 10133 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 14:44:21,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15117 states. [2022-07-12 14:44:22,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15117 to 15113. [2022-07-12 14:44:22,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15113 states, 10420 states have (on average 1.2495201535508638) internal successors, (13020), 10539 states have internal predecessors, (13020), 3761 states have call successors, (3761), 932 states have call predecessors, (3761), 931 states have return successors, (3761), 3742 states have call predecessors, (3761), 3761 states have call successors, (3761) [2022-07-12 14:44:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15113 states to 15113 states and 20542 transitions. [2022-07-12 14:44:22,497 INFO L78 Accepts]: Start accepts. Automaton has 15113 states and 20542 transitions. Word has length 377 [2022-07-12 14:44:22,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:44:22,497 INFO L495 AbstractCegarLoop]: Abstraction has 15113 states and 20542 transitions. [2022-07-12 14:44:22,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-12 14:44:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 15113 states and 20542 transitions. [2022-07-12 14:44:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-07-12 14:44:22,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:44:22,514 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 14, 14, 14, 14, 14, 14, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:44:22,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 14:44:22,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:44:22,735 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:44:22,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:44:22,736 INFO L85 PathProgramCache]: Analyzing trace with hash 68078588, now seen corresponding path program 1 times [2022-07-12 14:44:22,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:44:22,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422070135] [2022-07-12 14:44:22,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:44:22,739 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:44:22,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:44:22,742 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) [2022-07-12 14:44:22,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 14:44:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:25,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:44:25,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:44:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1492 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 1399 trivial. 0 not checked. [2022-07-12 14:44:26,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:44:26,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:44:26,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422070135] [2022-07-12 14:44:26,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422070135] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:44:26,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:44:26,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:44:26,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294349457] [2022-07-12 14:44:26,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:44:26,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:44:26,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:44:26,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:44:26,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:26,276 INFO L87 Difference]: Start difference. First operand 15113 states and 20542 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:44:27,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:44:27,248 INFO L93 Difference]: Finished difference Result 32594 states and 44306 transitions. [2022-07-12 14:44:27,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:44:27,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 435 [2022-07-12 14:44:27,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:44:27,330 INFO L225 Difference]: With dead ends: 32594 [2022-07-12 14:44:27,331 INFO L226 Difference]: Without dead ends: 17514 [2022-07-12 14:44:27,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:27,385 INFO L413 NwaCegarLoop]: 5492 mSDtfsCounter, 2621 mSDsluCounter, 3790 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 9282 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:44:27,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 9282 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 14:44:27,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17514 states. [2022-07-12 14:44:27,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17514 to 17510. [2022-07-12 14:44:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17510 states, 12078 states have (on average 1.2493790362642823) internal successors, (15090), 12215 states have internal predecessors, (15090), 4347 states have call successors, (4347), 1085 states have call predecessors, (4347), 1084 states have return successors, (4347), 4325 states have call predecessors, (4347), 4347 states have call successors, (4347) [2022-07-12 14:44:28,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17510 states to 17510 states and 23784 transitions. [2022-07-12 14:44:28,017 INFO L78 Accepts]: Start accepts. Automaton has 17510 states and 23784 transitions. Word has length 435 [2022-07-12 14:44:28,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:44:28,018 INFO L495 AbstractCegarLoop]: Abstraction has 17510 states and 23784 transitions. [2022-07-12 14:44:28,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:44:28,019 INFO L276 IsEmpty]: Start isEmpty. Operand 17510 states and 23784 transitions. [2022-07-12 14:44:28,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-07-12 14:44:28,039 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:44:28,039 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 14, 14, 14, 14, 14, 14, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:44:28,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 14:44:28,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:44:28,259 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:44:28,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:44:28,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1634836538, now seen corresponding path program 1 times [2022-07-12 14:44:28,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:44:28,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813160848] [2022-07-12 14:44:28,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:44:28,262 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:44:28,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:44:28,263 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:44:28,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 14:44:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:31,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:44:31,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:44:31,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1492 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 1399 trivial. 0 not checked. [2022-07-12 14:44:31,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:44:31,575 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:44:31,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813160848] [2022-07-12 14:44:31,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813160848] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:44:31,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:44:31,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:44:31,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942925921] [2022-07-12 14:44:31,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:44:31,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:44:31,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:44:31,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:44:31,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:31,578 INFO L87 Difference]: Start difference. First operand 17510 states and 23784 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:44:32,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:44:32,625 INFO L93 Difference]: Finished difference Result 37420 states and 50832 transitions. [2022-07-12 14:44:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:44:32,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 435 [2022-07-12 14:44:32,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:44:32,711 INFO L225 Difference]: With dead ends: 37420 [2022-07-12 14:44:32,711 INFO L226 Difference]: Without dead ends: 19943 [2022-07-12 14:44:32,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:32,757 INFO L413 NwaCegarLoop]: 6476 mSDtfsCounter, 2640 mSDsluCounter, 3791 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2640 SdHoareTripleChecker+Valid, 10267 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:44:32,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2640 Valid, 10267 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 14:44:32,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19943 states. [2022-07-12 14:44:33,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19943 to 19939. [2022-07-12 14:44:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19939 states, 13764 states have (on average 1.2493461203138623) internal successors, (17196), 13919 states have internal predecessors, (17196), 4935 states have call successors, (4935), 1240 states have call predecessors, (4935), 1239 states have return successors, (4935), 4910 states have call predecessors, (4935), 4935 states have call successors, (4935) [2022-07-12 14:44:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19939 states to 19939 states and 27066 transitions. [2022-07-12 14:44:33,440 INFO L78 Accepts]: Start accepts. Automaton has 19939 states and 27066 transitions. Word has length 435 [2022-07-12 14:44:33,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:44:33,441 INFO L495 AbstractCegarLoop]: Abstraction has 19939 states and 27066 transitions. [2022-07-12 14:44:33,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-12 14:44:33,441 INFO L276 IsEmpty]: Start isEmpty. Operand 19939 states and 27066 transitions. [2022-07-12 14:44:33,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-07-12 14:44:33,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:44:33,458 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 14, 14, 14, 14, 14, 14, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:44:33,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 14:44:33,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:44:33,672 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:44:33,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:44:33,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1717811628, now seen corresponding path program 1 times [2022-07-12 14:44:33,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:44:33,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645576425] [2022-07-12 14:44:33,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:44:33,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:44:33,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:44:33,677 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:44:33,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 14:44:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:37,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 3114 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-12 14:44:37,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:44:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2022-07-12 14:44:38,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:44:38,577 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:44:38,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645576425] [2022-07-12 14:44:38,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [645576425] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:44:38,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:44:38,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 14:44:38,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714596105] [2022-07-12 14:44:38,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:44:38,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 14:44:38,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:44:38,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 14:44:38,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-07-12 14:44:38,580 INFO L87 Difference]: Start difference. First operand 19939 states and 27066 transitions. Second operand has 12 states, 11 states have (on average 18.272727272727273) internal successors, (201), 11 states have internal predecessors, (201), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (45), 5 states have call predecessors, (45), 5 states have call successors, (45) [2022-07-12 14:45:22,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:22,279 INFO L93 Difference]: Finished difference Result 59698 states and 81474 transitions. [2022-07-12 14:45:22,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-12 14:45:22,280 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 18.272727272727273) internal successors, (201), 11 states have internal predecessors, (201), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (45), 5 states have call predecessors, (45), 5 states have call successors, (45) Word has length 476 [2022-07-12 14:45:22,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:22,612 INFO L225 Difference]: With dead ends: 59698 [2022-07-12 14:45:22,612 INFO L226 Difference]: Without dead ends: 39762 [2022-07-12 14:45:22,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2022-07-12 14:45:22,676 INFO L413 NwaCegarLoop]: 7407 mSDtfsCounter, 6747 mSDsluCounter, 61272 mSDsCounter, 0 mSdLazyCounter, 5348 mSolverCounterSat, 1099 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6784 SdHoareTripleChecker+Valid, 68679 SdHoareTripleChecker+Invalid, 6447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1099 IncrementalHoareTripleChecker+Valid, 5348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:22,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6784 Valid, 68679 Invalid, 6447 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1099 Valid, 5348 Invalid, 0 Unknown, 0 Unchecked, 40.8s Time] [2022-07-12 14:45:22,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39762 states. [2022-07-12 14:45:23,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39762 to 35677. [2022-07-12 14:45:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35677 states, 24657 states have (on average 1.2496248529829257) internal successors, (30812), 24930 states have internal predecessors, (30812), 8795 states have call successors, (8795), 2225 states have call predecessors, (8795), 2224 states have return successors, (8795), 8747 states have call predecessors, (8795), 8795 states have call successors, (8795) [2022-07-12 14:45:24,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35677 states to 35677 states and 48402 transitions. [2022-07-12 14:45:24,286 INFO L78 Accepts]: Start accepts. Automaton has 35677 states and 48402 transitions. Word has length 476 [2022-07-12 14:45:24,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:24,287 INFO L495 AbstractCegarLoop]: Abstraction has 35677 states and 48402 transitions. [2022-07-12 14:45:24,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 18.272727272727273) internal successors, (201), 11 states have internal predecessors, (201), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (45), 5 states have call predecessors, (45), 5 states have call successors, (45) [2022-07-12 14:45:24,287 INFO L276 IsEmpty]: Start isEmpty. Operand 35677 states and 48402 transitions. [2022-07-12 14:45:24,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-12 14:45:24,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:24,311 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 14, 14, 14, 14, 14, 14, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:45:24,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 14:45:24,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:45:24,532 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:24,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:24,533 INFO L85 PathProgramCache]: Analyzing trace with hash -341303462, now seen corresponding path program 1 times [2022-07-12 14:45:24,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:45:24,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075405887] [2022-07-12 14:45:24,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:24,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:45:24,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:45:24,537 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:45:24,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 14:45:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:28,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 14:45:28,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:45:28,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2022-07-12 14:45:28,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:45:28,410 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:45:28,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075405887] [2022-07-12 14:45:28,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075405887] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:28,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:28,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:28,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852180999] [2022-07-12 14:45:28,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:28,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:28,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:45:28,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:28,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:28,412 INFO L87 Difference]: Start difference. First operand 35677 states and 48402 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 14:45:30,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:30,283 INFO L93 Difference]: Finished difference Result 74149 states and 100586 transitions. [2022-07-12 14:45:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:45:30,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 484 [2022-07-12 14:45:30,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:30,490 INFO L225 Difference]: With dead ends: 74149 [2022-07-12 14:45:30,490 INFO L226 Difference]: Without dead ends: 38505 [2022-07-12 14:45:30,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:30,557 INFO L413 NwaCegarLoop]: 6479 mSDtfsCounter, 2819 mSDsluCounter, 16733 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 23212 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:30,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 23212 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 14:45:30,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38505 states. [2022-07-12 14:45:31,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38505 to 38497. [2022-07-12 14:45:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38497 states, 26588 states have (on average 1.249511057619979) internal successors, (33222), 26886 states have internal predecessors, (33222), 9496 states have call successors, (9496), 2411 states have call predecessors, (9496), 2412 states have return successors, (9498), 9446 states have call predecessors, (9498), 9496 states have call successors, (9498) [2022-07-12 14:45:31,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38497 states to 38497 states and 52216 transitions. [2022-07-12 14:45:31,855 INFO L78 Accepts]: Start accepts. Automaton has 38497 states and 52216 transitions. Word has length 484 [2022-07-12 14:45:31,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:31,856 INFO L495 AbstractCegarLoop]: Abstraction has 38497 states and 52216 transitions. [2022-07-12 14:45:31,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 14:45:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 38497 states and 52216 transitions. [2022-07-12 14:45:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-07-12 14:45:31,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:31,887 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 14, 14, 14, 14, 14, 14, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:45:31,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 14:45:32,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:45:32,108 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:32,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:32,109 INFO L85 PathProgramCache]: Analyzing trace with hash 2006712056, now seen corresponding path program 1 times [2022-07-12 14:45:32,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:45:32,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2111309860] [2022-07-12 14:45:32,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:32,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:45:32,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:45:32,116 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:45:32,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 14:45:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:35,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 3139 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 14:45:35,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:45:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2022-07-12 14:45:36,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:45:36,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:45:36,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2111309860] [2022-07-12 14:45:36,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2111309860] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:36,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:36,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:36,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614761306] [2022-07-12 14:45:36,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:36,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:36,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:45:36,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:36,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:36,055 INFO L87 Difference]: Start difference. First operand 38497 states and 52216 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 14:45:37,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:37,890 INFO L93 Difference]: Finished difference Result 79586 states and 107905 transitions. [2022-07-12 14:45:37,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:45:37,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 485 [2022-07-12 14:45:37,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:38,032 INFO L225 Difference]: With dead ends: 79586 [2022-07-12 14:45:38,032 INFO L226 Difference]: Without dead ends: 41122 [2022-07-12 14:45:38,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:38,113 INFO L413 NwaCegarLoop]: 6683 mSDtfsCounter, 2825 mSDsluCounter, 17143 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2825 SdHoareTripleChecker+Valid, 23826 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:38,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2825 Valid, 23826 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 14:45:38,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41122 states. [2022-07-12 14:45:39,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41122 to 41114. [2022-07-12 14:45:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41114 states, 28398 states have (on average 1.2490668356926544) internal successors, (35471), 28715 states have internal predecessors, (35471), 10118 states have call successors, (10118), 2594 states have call predecessors, (10118), 2597 states have return successors, (10122), 10066 states have call predecessors, (10122), 10118 states have call successors, (10122) [2022-07-12 14:45:39,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41114 states to 41114 states and 55711 transitions. [2022-07-12 14:45:39,336 INFO L78 Accepts]: Start accepts. Automaton has 41114 states and 55711 transitions. Word has length 485 [2022-07-12 14:45:39,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:39,337 INFO L495 AbstractCegarLoop]: Abstraction has 41114 states and 55711 transitions. [2022-07-12 14:45:39,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 14:45:39,337 INFO L276 IsEmpty]: Start isEmpty. Operand 41114 states and 55711 transitions. [2022-07-12 14:45:39,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2022-07-12 14:45:39,364 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:39,364 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 14, 14, 14, 14, 14, 14, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:45:39,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-12 14:45:39,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:45:39,580 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:39,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:39,580 INFO L85 PathProgramCache]: Analyzing trace with hash 949324567, now seen corresponding path program 1 times [2022-07-12 14:45:39,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:45:39,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817343754] [2022-07-12 14:45:39,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:39,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:45:39,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:45:39,583 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:45:39,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 14:45:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:43,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 3140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 14:45:43,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:45:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2022-07-12 14:45:43,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:45:43,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:45:43,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817343754] [2022-07-12 14:45:43,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [817343754] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:43,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:43,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:43,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389584307] [2022-07-12 14:45:43,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:43,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:43,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:45:43,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:43,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:43,426 INFO L87 Difference]: Start difference. First operand 41114 states and 55711 transitions. Second operand has 5 states, 5 states have (on average 36.4) internal successors, (182), 4 states have internal predecessors, (182), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 14:45:45,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:45,189 INFO L93 Difference]: Finished difference Result 84745 states and 114826 transitions. [2022-07-12 14:45:45,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:45:45,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 4 states have internal predecessors, (182), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 486 [2022-07-12 14:45:45,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:45,448 INFO L225 Difference]: With dead ends: 84745 [2022-07-12 14:45:45,448 INFO L226 Difference]: Without dead ends: 43664 [2022-07-12 14:45:45,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:45,524 INFO L413 NwaCegarLoop]: 6445 mSDtfsCounter, 2650 mSDsluCounter, 16652 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2650 SdHoareTripleChecker+Valid, 23097 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:45,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2650 Valid, 23097 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 14:45:45,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43664 states. [2022-07-12 14:45:46,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43664 to 43656. [2022-07-12 14:45:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43656 states, 30156 states have (on average 1.2489388513065394) internal successors, (37663), 30492 states have internal predecessors, (37663), 10732 states have call successors, (10732), 2762 states have call predecessors, (10732), 2767 states have return successors, (10738), 10678 states have call predecessors, (10738), 10732 states have call successors, (10738) [2022-07-12 14:45:46,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43656 states to 43656 states and 59133 transitions. [2022-07-12 14:45:46,731 INFO L78 Accepts]: Start accepts. Automaton has 43656 states and 59133 transitions. Word has length 486 [2022-07-12 14:45:46,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:46,732 INFO L495 AbstractCegarLoop]: Abstraction has 43656 states and 59133 transitions. [2022-07-12 14:45:46,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 4 states have internal predecessors, (182), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 14:45:46,732 INFO L276 IsEmpty]: Start isEmpty. Operand 43656 states and 59133 transitions. [2022-07-12 14:45:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-12 14:45:46,759 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:46,760 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 14, 14, 14, 14, 14, 14, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:45:46,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-12 14:45:46,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:45:46,976 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:46,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:46,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1698626261, now seen corresponding path program 1 times [2022-07-12 14:45:46,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:45:46,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824393111] [2022-07-12 14:45:46,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:46,979 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:45:46,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:45:46,980 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:45:46,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-12 14:45:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:50,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 3141 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 14:45:50,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:45:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2022-07-12 14:45:50,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:45:50,930 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:45:50,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824393111] [2022-07-12 14:45:50,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824393111] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:50,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:50,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:50,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850954532] [2022-07-12 14:45:50,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:50,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:50,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:45:50,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:50,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:50,933 INFO L87 Difference]: Start difference. First operand 43656 states and 59133 transitions. Second operand has 5 states, 5 states have (on average 36.6) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 14:45:52,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:52,794 INFO L93 Difference]: Finished difference Result 90054 states and 122017 transitions. [2022-07-12 14:45:52,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:45:52,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.6) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 487 [2022-07-12 14:45:52,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:53,072 INFO L225 Difference]: With dead ends: 90054 [2022-07-12 14:45:53,073 INFO L226 Difference]: Without dead ends: 46431 [2022-07-12 14:45:53,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:53,158 INFO L413 NwaCegarLoop]: 6139 mSDtfsCounter, 2654 mSDsluCounter, 16041 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2654 SdHoareTripleChecker+Valid, 22180 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:53,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2654 Valid, 22180 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 14:45:53,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46431 states. [2022-07-12 14:45:54,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46431 to 46423. [2022-07-12 14:45:54,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46423 states, 32067 states have (on average 1.2488227773100071) internal successors, (40046), 32421 states have internal predecessors, (40046), 11417 states have call successors, (11417), 2931 states have call predecessors, (11417), 2938 states have return successors, (11425), 11362 states have call predecessors, (11425), 11417 states have call successors, (11425) [2022-07-12 14:45:54,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46423 states to 46423 states and 62888 transitions. [2022-07-12 14:45:54,580 INFO L78 Accepts]: Start accepts. Automaton has 46423 states and 62888 transitions. Word has length 487 [2022-07-12 14:45:54,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:54,581 INFO L495 AbstractCegarLoop]: Abstraction has 46423 states and 62888 transitions. [2022-07-12 14:45:54,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.6) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 14:45:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 46423 states and 62888 transitions. [2022-07-12 14:45:54,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-07-12 14:45:54,601 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:54,601 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 14, 14, 14, 14, 14, 14, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:45:54,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-07-12 14:45:54,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:45:54,802 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:54,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:54,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1674249516, now seen corresponding path program 1 times [2022-07-12 14:45:54,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:45:54,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051309988] [2022-07-12 14:45:54,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:54,805 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:45:54,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:45:54,806 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:45:54,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-12 14:45:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:58,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 3142 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 14:45:58,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:45:58,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2022-07-12 14:45:58,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:45:58,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:45:58,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051309988] [2022-07-12 14:45:58,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051309988] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:58,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:58,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:58,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7466514] [2022-07-12 14:45:58,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:58,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:58,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:45:58,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:58,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:58,563 INFO L87 Difference]: Start difference. First operand 46423 states and 62888 transitions. Second operand has 5 states, 5 states have (on average 36.8) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 14:46:00,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:00,499 INFO L93 Difference]: Finished difference Result 95298 states and 129098 transitions. [2022-07-12 14:46:00,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:46:00,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.8) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 488 [2022-07-12 14:46:00,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:00,678 INFO L225 Difference]: With dead ends: 95298 [2022-07-12 14:46:00,678 INFO L226 Difference]: Without dead ends: 48908 [2022-07-12 14:46:00,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:46:00,794 INFO L413 NwaCegarLoop]: 6456 mSDtfsCounter, 2661 mSDsluCounter, 16674 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2661 SdHoareTripleChecker+Valid, 23130 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:00,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2661 Valid, 23130 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 14:46:00,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48908 states. [2022-07-12 14:46:01,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48908 to 48900. [2022-07-12 14:46:02,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48900 states, 33787 states have (on average 1.2485867345428716) internal successors, (42186), 34159 states have internal predecessors, (42186), 12009 states have call successors, (12009), 3096 states have call predecessors, (12009), 3103 states have return successors, (12017), 11951 states have call predecessors, (12017), 12009 states have call successors, (12017) [2022-07-12 14:46:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48900 states to 48900 states and 66212 transitions. [2022-07-12 14:46:02,291 INFO L78 Accepts]: Start accepts. Automaton has 48900 states and 66212 transitions. Word has length 488 [2022-07-12 14:46:02,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:02,292 INFO L495 AbstractCegarLoop]: Abstraction has 48900 states and 66212 transitions. [2022-07-12 14:46:02,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.8) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 14:46:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 48900 states and 66212 transitions. [2022-07-12 14:46:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2022-07-12 14:46:02,320 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:02,321 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 14, 14, 14, 14, 14, 14, 12, 12, 12, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:46:02,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-12 14:46:02,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:46:02,536 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:02,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:02,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1127426239, now seen corresponding path program 1 times [2022-07-12 14:46:02,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:46:02,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797833949] [2022-07-12 14:46:02,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:02,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:46:02,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:46:02,539 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:46:02,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-12 14:46:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:05,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 3254 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 14:46:05,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:46:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1914 backedges. 583 proven. 0 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2022-07-12 14:46:09,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:46:09,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:46:09,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797833949] [2022-07-12 14:46:09,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797833949] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:09,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:09,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:46:09,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026413726] [2022-07-12 14:46:09,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:09,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:46:09,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:46:09,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:46:09,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:46:09,593 INFO L87 Difference]: Start difference. First operand 48900 states and 66212 transitions. Second operand has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 3 states have call successors, (50), 3 states have call predecessors, (50), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48)