./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-?-f4b24e3 [2022-07-14 02:24:05,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:24:05,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:24:05,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:24:05,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:24:05,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:24:05,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:24:05,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:24:05,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:24:05,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:24:05,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:24:05,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:24:05,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:24:05,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:24:05,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:24:05,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:24:05,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:24:05,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:24:06,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:24:06,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:24:06,007 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:24:06,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:24:06,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:24:06,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:24:06,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:24:06,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:24:06,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:24:06,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:24:06,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:24:06,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:24:06,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:24:06,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:24:06,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:24:06,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:24:06,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:24:06,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:24:06,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:24:06,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:24:06,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:24:06,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:24:06,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:24:06,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:24:06,024 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:24:06,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:24:06,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:24:06,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:24:06,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:24:06,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:24:06,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:24:06,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:24:06,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:24:06,048 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:24:06,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:24:06,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:24:06,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:24:06,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:24:06,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:24:06,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:24:06,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:24:06,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:24:06,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:24:06,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:24:06,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:24:06,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:24:06,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:24:06,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:24:06,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:24:06,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:24:06,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:24:06,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:24:06,052 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:24:06,052 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:24:06,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:24:06,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 [2022-07-14 02:24:06,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:24:06,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:24:06,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:24:06,252 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:24:06,253 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:24:06,254 INFO L432 ainManager$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 [2022-07-14 02:24:06,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717ce4316/eea39fd4847844cb8ea2ba728e26b412/FLAG1db659d37 [2022-07-14 02:24:06,953 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:24:06,954 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 [2022-07-14 02:24:07,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717ce4316/eea39fd4847844cb8ea2ba728e26b412/FLAG1db659d37 [2022-07-14 02:24:07,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717ce4316/eea39fd4847844cb8ea2ba728e26b412 [2022-07-14 02:24:07,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:24:07,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:24:07,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:24:07,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:24:07,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:24:07,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:24:07" (1/1) ... [2022-07-14 02:24:07,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3c5b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:07, skipping insertion in model container [2022-07-14 02:24:07,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:24:07" (1/1) ... [2022-07-14 02:24:07,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:24:07,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:24:10,597 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] [2022-07-14 02:24:10,602 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] [2022-07-14 02:24:10,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:24:10,668 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:24:10,800 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) [2022-07-14 02:24:10,808 INFO L158 Benchmark]: Toolchain (without parser) took 3474.25ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 72.2MB in the beginning and 59.2MB in the end (delta: 13.0MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2022-07-14 02:24:10,809 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 02:24:10,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3470.74ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 72.0MB in the beginning and 59.2MB in the end (delta: 12.7MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2022-07-14 02:24:10,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3470.74ms. Allocated memory was 119.5MB in the beginning and 159.4MB in the end (delta: 39.8MB). Free memory was 72.0MB in the beginning and 59.2MB in the end (delta: 12.7MB). Peak memory consumption was 69.3MB. 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-?-f4b24e3 [2022-07-14 02:24:12,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:24:12,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:24:12,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:24:12,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:24:12,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:24:12,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:24:12,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:24:12,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:24:12,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:24:12,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:24:12,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:24:12,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:24:12,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:24:12,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:24:12,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:24:12,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:24:12,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:24:12,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:24:12,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:24:12,498 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:24:12,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:24:12,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:24:12,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:24:12,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:24:12,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:24:12,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:24:12,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:24:12,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:24:12,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:24:12,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:24:12,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:24:12,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:24:12,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:24:12,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:24:12,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:24:12,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:24:12,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:24:12,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:24:12,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:24:12,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:24:12,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:24:12,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 02:24:12,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:24:12,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:24:12,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:24:12,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:24:12,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:24:12,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:24:12,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:24:12,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:24:12,549 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:24:12,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:24:12,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:24:12,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:24:12,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:24:12,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:24:12,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 02:24:12,550 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 02:24:12,550 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 02:24:12,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:24:12,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:24:12,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:24:12,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:24:12,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:24:12,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:24:12,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:24:12,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:24:12,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:24:12,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:24:12,552 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 02:24:12,552 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 02:24:12,552 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:24:12,553 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:24:12,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:24:12,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 02:24:12,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 [2022-07-14 02:24:12,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:24:12,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:24:12,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:24:12,840 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:24:12,840 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:24:12,841 INFO L432 ainManager$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 [2022-07-14 02:24:12,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a792c3020/4fef054ccbc54e508e0ed80f6ae2b7a7/FLAGf104e84d2 [2022-07-14 02:24:13,563 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:24:13,563 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 [2022-07-14 02:24:13,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a792c3020/4fef054ccbc54e508e0ed80f6ae2b7a7/FLAGf104e84d2 [2022-07-14 02:24:14,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a792c3020/4fef054ccbc54e508e0ed80f6ae2b7a7 [2022-07-14 02:24:14,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:24:14,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:24:14,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:24:14,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:24:14,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:24:14,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:24:14" (1/1) ... [2022-07-14 02:24:14,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@81c3932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:14, skipping insertion in model container [2022-07-14 02:24:14,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:24:14" (1/1) ... [2022-07-14 02:24:14,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:24:14,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:24:17,378 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] [2022-07-14 02:24:17,380 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] [2022-07-14 02:24:17,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:24:17,452 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 02:24:17,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:24:17,884 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] [2022-07-14 02:24:17,885 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] [2022-07-14 02:24:17,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:24:17,946 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:24:18,332 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] [2022-07-14 02:24:18,333 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] [2022-07-14 02:24:18,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:24:18,518 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:24:18,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:18 WrapperNode [2022-07-14 02:24:18,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:24:18,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:24:18,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:24:18,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:24:18,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:18" (1/1) ... [2022-07-14 02:24:18,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:18" (1/1) ... [2022-07-14 02:24:18,768 INFO L137 Inliner]: procedures = 638, calls = 3565, calls flagged for inlining = 310, calls inlined = 274, statements flattened = 7815 [2022-07-14 02:24:18,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:24:18,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:24:18,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:24:18,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:24:18,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:18" (1/1) ... [2022-07-14 02:24:18,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:18" (1/1) ... [2022-07-14 02:24:18,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:18" (1/1) ... [2022-07-14 02:24:18,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:18" (1/1) ... [2022-07-14 02:24:18,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:18" (1/1) ... [2022-07-14 02:24:18,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:18" (1/1) ... [2022-07-14 02:24:18,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:18" (1/1) ... [2022-07-14 02:24:18,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:24:18,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:24:18,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:24:18,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:24:18,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:18" (1/1) ... [2022-07-14 02:24:19,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:24:19,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:24:19,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 02:24:19,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 02:24:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 02:24:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 02:24:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 02:24:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 02:24:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-07-14 02:24:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-07-14 02:24:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:24:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:24:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-07-14 02:24:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-07-14 02:24:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-14 02:24:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-14 02:24:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 02:24:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 02:24:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:24:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:24:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-07-14 02:24:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-07-14 02:24:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-14 02:24:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-14 02:24:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 02:24:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 02:24:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 02:24:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 02:24:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 02:24:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 02:24:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:24:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:24:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-07-14 02:24:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-07-14 02:24:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-07-14 02:24:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-07-14 02:24:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-07-14 02:24:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-07-14 02:24:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-07-14 02:24:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-07-14 02:24:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 02:24:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 02:24:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 02:24:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 02:24:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-07-14 02:24:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-07-14 02:24:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 02:24:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 02:24:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 02:24:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 02:24:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 02:24:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 02:24:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:24:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:24:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 02:24:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 02:24:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-07-14 02:24:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-07-14 02:24:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 02:24:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 02:24:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-14 02:24:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-14 02:24:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:24:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2022-07-14 02:24:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2022-07-14 02:24:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-14 02:24:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-14 02:24:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 02:24:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 02:24:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 02:24:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 02:24:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-07-14 02:24:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-07-14 02:24:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 02:24:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 02:24:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-07-14 02:24:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-07-14 02:24:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 02:24:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 02:24:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 02:24:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 02:24:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:24:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:24:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-07-14 02:24:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-07-14 02:24:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 02:24:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 02:24:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 02:24:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 02:24:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-07-14 02:24:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-07-14 02:24:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 02:24:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 02:24:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 02:24:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 02:24:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 02:24:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 02:24:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-14 02:24:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-14 02:24:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:24:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:24:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 02:24:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 02:24:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 02:24:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 02:24:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 02:24:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 02:24:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-14 02:24:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-14 02:24:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 02:24:19,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 02:24:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:24:19,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:24:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-07-14 02:24:19,067 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-07-14 02:24:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 02:24:19,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 02:24:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 02:24:19,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 02:24:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-07-14 02:24:19,068 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-07-14 02:24:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:24:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-07-14 02:24:19,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-07-14 02:24:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 02:24:19,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 02:24:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 02:24:19,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 02:24:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:24:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 02:24:19,069 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 02:24:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 02:24:19,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 02:24:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 02:24:19,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 02:24:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:24:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 02:24:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 02:24:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 02:24:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 02:24:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-14 02:24:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-14 02:24:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 02:24:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 02:24:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 02:24:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 02:24:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-14 02:24:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-14 02:24:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-07-14 02:24:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-07-14 02:24:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 02:24:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 02:24:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-07-14 02:24:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-07-14 02:24:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 02:24:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 02:24:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-14 02:24:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-14 02:24:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 02:24:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 02:24:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 02:24:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 02:24:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 02:24:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 02:24:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 02:24:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 02:24:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-07-14 02:24:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-07-14 02:24:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-14 02:24:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-14 02:24:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 02:24:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 02:24:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 02:24:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 02:24:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-07-14 02:24:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-07-14 02:24:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 02:24:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-14 02:24:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-14 02:24:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-14 02:24:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-14 02:24:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:24:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:24:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-14 02:24:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-14 02:24:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 02:24:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 02:24:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 02:24:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 02:24:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 02:24:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:24:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 02:24:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:24:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:24:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:24:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 02:24:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 02:24:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 02:24:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 02:24:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 02:24:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 02:24:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-07-14 02:24:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-07-14 02:24:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-14 02:24:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-14 02:24:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 02:24:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 02:24:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-14 02:24:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-14 02:24:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 02:24:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 02:24:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-14 02:24:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-14 02:24:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 02:24:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 02:24:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:24:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:24:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-07-14 02:24:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-07-14 02:24:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 02:24:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 02:24:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 02:24:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 02:24:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:24:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 02:24:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 02:24:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 02:24:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 02:24:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 02:24:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 02:24:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-07-14 02:24:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-07-14 02:24:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_114 [2022-07-14 02:24:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_114 [2022-07-14 02:24:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:24:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-07-14 02:24:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-07-14 02:24:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-07-14 02:24:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-07-14 02:24:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-14 02:24:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-14 02:24:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 02:24:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 02:24:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2022-07-14 02:24:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2022-07-14 02:24:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 02:24:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-07-14 02:24:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-07-14 02:24:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 02:24:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:24:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-07-14 02:24:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-07-14 02:24:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 02:24:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 02:24:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 02:24:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 02:24:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 02:24:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 02:24:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 02:24:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 02:24:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 02:24:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 02:24:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 02:24:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 02:24:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-07-14 02:24:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-07-14 02:24:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-07-14 02:24:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-07-14 02:24:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-07-14 02:24:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-07-14 02:24:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 02:24:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 02:24:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-14 02:24:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-14 02:24:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-07-14 02:24:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-07-14 02:24:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 02:24:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 02:24:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-14 02:24:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-14 02:24:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-07-14 02:24:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-07-14 02:24:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 02:24:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 02:24:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-07-14 02:24:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-07-14 02:24:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 02:24:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 02:24:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 02:24:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 02:24:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:24:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:24:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-07-14 02:24:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-07-14 02:24:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-07-14 02:24:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-07-14 02:24:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 02:24:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 02:24:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 02:24:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 02:24:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-07-14 02:24:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-07-14 02:24:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2022-07-14 02:24:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2022-07-14 02:24:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 02:24:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 02:24:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-07-14 02:24:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-07-14 02:24:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-14 02:24:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-14 02:24:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 02:24:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 02:24:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 02:24:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 02:24:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-07-14 02:24:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-07-14 02:24:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 02:24:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 02:24:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 02:24:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 02:24:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-07-14 02:24:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-07-14 02:24:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-14 02:24:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-14 02:24:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 02:24:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 02:24:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-14 02:24:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-14 02:24:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 02:24:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 02:24:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-07-14 02:24:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-07-14 02:24:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-07-14 02:24:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-07-14 02:24:19,986 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:24:19,989 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:24:20,568 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:25:25,895 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 02:25:26,298 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:25:26,311 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:25:26,312 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 02:25:26,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:25:26 BoogieIcfgContainer [2022-07-14 02:25:26,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:25:26,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:25:26,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:25:26,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:25:26,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:24:14" (1/3) ... [2022-07-14 02:25:26,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1844bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:25:26, skipping insertion in model container [2022-07-14 02:25:26,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:24:18" (2/3) ... [2022-07-14 02:25:26,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1844bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:25:26, skipping insertion in model container [2022-07-14 02:25:26,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:25:26" (3/3) ... [2022-07-14 02:25:26,321 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-14 02:25:26,330 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:25:26,330 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:25:26,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:25:26,402 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@fae6888, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@51bbd649 [2022-07-14 02:25:26,403 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:25:26,413 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) [2022-07-14 02:25:26,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-07-14 02:25:26,451 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:26,452 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] [2022-07-14 02:25:26,453 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:26,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:26,457 INFO L85 PathProgramCache]: Analyzing trace with hash -24091557, now seen corresponding path program 1 times [2022-07-14 02:25:26,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:25:26,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395121113] [2022-07-14 02:25:26,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:26,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:25:26,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:25:26,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:25:26,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 02:25:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:29,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 2352 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:25:29,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:25:29,635 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2022-07-14 02:25:29,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:25:29,635 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:25:29,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395121113] [2022-07-14 02:25:29,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1395121113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:25:29,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:25:29,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:25:29,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956649940] [2022-07-14 02:25:29,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:25:29,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:25:29,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:25:29,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:25:29,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:25:29,665 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) [2022-07-14 02:25:30,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:25:30,814 INFO L93 Difference]: Finished difference Result 7550 states and 10578 transitions. [2022-07-14 02:25:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:25:30,816 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 [2022-07-14 02:25:30,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:25:30,851 INFO L225 Difference]: With dead ends: 7550 [2022-07-14 02:25:30,851 INFO L226 Difference]: Without dead ends: 4660 [2022-07-14 02:25:30,871 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 [2022-07-14 02:25:30,878 INFO L413 NwaCegarLoop]: 4457 mSDtfsCounter, 2640 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2640 SdHoareTripleChecker+Valid, 8277 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:25:30,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2640 Valid, 8277 Invalid, 95 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 02:25:30,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2022-07-14 02:25:31,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4656. [2022-07-14 02:25:31,217 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) [2022-07-14 02:25:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 6408 transitions. [2022-07-14 02:25:31,298 INFO L78 Accepts]: Start accepts. Automaton has 4656 states and 6408 transitions. Word has length 231 [2022-07-14 02:25:31,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:25:31,307 INFO L495 AbstractCegarLoop]: Abstraction has 4656 states and 6408 transitions. [2022-07-14 02:25:31,307 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) [2022-07-14 02:25:31,307 INFO L276 IsEmpty]: Start isEmpty. Operand 4656 states and 6408 transitions. [2022-07-14 02:25:31,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-07-14 02:25:31,333 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:31,333 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] [2022-07-14 02:25:31,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 02:25:31,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:25:31,548 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:31,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:31,549 INFO L85 PathProgramCache]: Analyzing trace with hash 757183165, now seen corresponding path program 1 times [2022-07-14 02:25:31,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:25:31,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188377287] [2022-07-14 02:25:31,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:31,551 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:25:31,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:25:31,553 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:25:31,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 02:25:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 2610 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:25:34,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:25:34,915 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-14 02:25:34,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:25:34,928 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:25:34,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188377287] [2022-07-14 02:25:34,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188377287] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:25:34,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:25:34,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:25:34,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993030730] [2022-07-14 02:25:34,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:25:34,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:25:34,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:25:34,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:25:34,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:25:34,930 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) [2022-07-14 02:25:36,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:25:36,079 INFO L93 Difference]: Finished difference Result 11688 states and 16054 transitions. [2022-07-14 02:25:36,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:25:36,080 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 [2022-07-14 02:25:36,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:25:36,122 INFO L225 Difference]: With dead ends: 11688 [2022-07-14 02:25:36,122 INFO L226 Difference]: Without dead ends: 7065 [2022-07-14 02:25:36,142 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 [2022-07-14 02:25:36,143 INFO L413 NwaCegarLoop]: 5826 mSDtfsCounter, 2621 mSDsluCounter, 3795 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:25:36,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 9621 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-14 02:25:36,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7065 states. [2022-07-14 02:25:36,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7065 to 7061. [2022-07-14 02:25:36,330 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) [2022-07-14 02:25:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 9658 transitions. [2022-07-14 02:25:36,361 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 9658 transitions. Word has length 239 [2022-07-14 02:25:36,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:25:36,361 INFO L495 AbstractCegarLoop]: Abstraction has 7061 states and 9658 transitions. [2022-07-14 02:25:36,362 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) [2022-07-14 02:25:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 9658 transitions. [2022-07-14 02:25:36,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-07-14 02:25:36,369 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:36,369 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] [2022-07-14 02:25:36,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 02:25:36,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:25:36,584 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:36,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:36,585 INFO L85 PathProgramCache]: Analyzing trace with hash -2051024223, now seen corresponding path program 1 times [2022-07-14 02:25:36,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:25:36,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291272569] [2022-07-14 02:25:36,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:36,588 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:25:36,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:25:36,590 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:25:36,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 02:25:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:40,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:25:40,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:25:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2022-07-14 02:25:40,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:25:40,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:25:40,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291272569] [2022-07-14 02:25:40,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291272569] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:25:40,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:25:40,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:25:40,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617364779] [2022-07-14 02:25:40,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:25:40,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:25:40,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:25:40,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:25:40,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:25:40,761 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) [2022-07-14 02:25:41,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:25:41,611 INFO L93 Difference]: Finished difference Result 16505 states and 22560 transitions. [2022-07-14 02:25:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:25:41,612 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 [2022-07-14 02:25:41,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:25:41,658 INFO L225 Difference]: With dead ends: 16505 [2022-07-14 02:25:41,659 INFO L226 Difference]: Without dead ends: 9477 [2022-07-14 02:25:41,685 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 [2022-07-14 02:25:41,688 INFO L413 NwaCegarLoop]: 6464 mSDtfsCounter, 2607 mSDsluCounter, 3784 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:25:41,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2607 Valid, 10248 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 02:25:41,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9477 states. [2022-07-14 02:25:41,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9477 to 9473. [2022-07-14 02:25:41,912 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) [2022-07-14 02:25:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9473 states to 9473 states and 12916 transitions. [2022-07-14 02:25:41,941 INFO L78 Accepts]: Start accepts. Automaton has 9473 states and 12916 transitions. Word has length 303 [2022-07-14 02:25:41,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:25:41,944 INFO L495 AbstractCegarLoop]: Abstraction has 9473 states and 12916 transitions. [2022-07-14 02:25:41,944 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) [2022-07-14 02:25:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 9473 states and 12916 transitions. [2022-07-14 02:25:41,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-14 02:25:41,953 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:41,953 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] [2022-07-14 02:25:42,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 02:25:42,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:25:42,172 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:42,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:42,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1199044650, now seen corresponding path program 1 times [2022-07-14 02:25:42,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:25:42,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027620813] [2022-07-14 02:25:42,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:42,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:25:42,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:25:42,184 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:25:42,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 02:25:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:45,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 2892 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:25:45,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:25:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1258 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2022-07-14 02:25:46,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:25:46,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:25:46,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027620813] [2022-07-14 02:25:46,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027620813] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:25:46,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:25:46,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:25:46,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582330312] [2022-07-14 02:25:46,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:25:46,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:25:46,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:25:46,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:25:46,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:25:46,106 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) [2022-07-14 02:25:47,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:25:47,017 INFO L93 Difference]: Finished difference Result 21315 states and 29052 transitions. [2022-07-14 02:25:47,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:25:47,018 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 [2022-07-14 02:25:47,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:25:47,077 INFO L225 Difference]: With dead ends: 21315 [2022-07-14 02:25:47,077 INFO L226 Difference]: Without dead ends: 11875 [2022-07-14 02:25:47,112 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 [2022-07-14 02:25:47,114 INFO L413 NwaCegarLoop]: 6473 mSDtfsCounter, 2619 mSDsluCounter, 3791 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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 [2022-07-14 02:25:47,115 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] [2022-07-14 02:25:47,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11875 states. [2022-07-14 02:25:47,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11875 to 11871. [2022-07-14 02:25:47,415 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) [2022-07-14 02:25:47,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11871 states to 11871 states and 16158 transitions. [2022-07-14 02:25:47,452 INFO L78 Accepts]: Start accepts. Automaton has 11871 states and 16158 transitions. Word has length 377 [2022-07-14 02:25:47,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:25:47,453 INFO L495 AbstractCegarLoop]: Abstraction has 11871 states and 16158 transitions. [2022-07-14 02:25:47,453 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) [2022-07-14 02:25:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 11871 states and 16158 transitions. [2022-07-14 02:25:47,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-14 02:25:47,463 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:47,463 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] [2022-07-14 02:25:47,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 02:25:47,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:25:47,692 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:47,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:47,692 INFO L85 PathProgramCache]: Analyzing trace with hash 367713300, now seen corresponding path program 1 times [2022-07-14 02:25:47,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:25:47,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513732922] [2022-07-14 02:25:47,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:47,694 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:25:47,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:25:47,716 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:25:47,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 02:25:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:51,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 2892 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:25:51,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:25:51,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1258 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2022-07-14 02:25:51,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:25:51,288 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:25:51,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513732922] [2022-07-14 02:25:51,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513732922] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:25:51,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:25:51,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:25:51,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369299468] [2022-07-14 02:25:51,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:25:51,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:25:51,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:25:51,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:25:51,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:25:51,290 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) [2022-07-14 02:25:52,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:25:52,302 INFO L93 Difference]: Finished difference Result 26955 states and 36684 transitions. [2022-07-14 02:25:52,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:25:52,302 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 [2022-07-14 02:25:52,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:25:52,391 INFO L225 Difference]: With dead ends: 26955 [2022-07-14 02:25:52,391 INFO L226 Difference]: Without dead ends: 15117 [2022-07-14 02:25:52,433 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 [2022-07-14 02:25:52,435 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 [2022-07-14 02:25:52,435 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] [2022-07-14 02:25:52,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15117 states. [2022-07-14 02:25:52,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15117 to 15113. [2022-07-14 02:25:52,889 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) [2022-07-14 02:25:53,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15113 states to 15113 states and 20542 transitions. [2022-07-14 02:25:53,186 INFO L78 Accepts]: Start accepts. Automaton has 15113 states and 20542 transitions. Word has length 377 [2022-07-14 02:25:53,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:25:53,187 INFO L495 AbstractCegarLoop]: Abstraction has 15113 states and 20542 transitions. [2022-07-14 02:25:53,187 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) [2022-07-14 02:25:53,187 INFO L276 IsEmpty]: Start isEmpty. Operand 15113 states and 20542 transitions. [2022-07-14 02:25:53,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-07-14 02:25:53,202 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:53,202 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] [2022-07-14 02:25:53,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 02:25:53,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:25:53,428 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:53,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:53,428 INFO L85 PathProgramCache]: Analyzing trace with hash 68078588, now seen corresponding path program 1 times [2022-07-14 02:25:53,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:25:53,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271273690] [2022-07-14 02:25:53,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:53,431 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:25:53,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:25:53,444 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:25:53,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 02:25:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:56,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:25:56,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:25:57,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1492 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 1399 trivial. 0 not checked. [2022-07-14 02:25:57,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:25:57,190 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:25:57,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271273690] [2022-07-14 02:25:57,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271273690] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:25:57,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:25:57,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:25:57,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683563432] [2022-07-14 02:25:57,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:25:57,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:25:57,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:25:57,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:25:57,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:25:57,191 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) [2022-07-14 02:25:58,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:25:58,217 INFO L93 Difference]: Finished difference Result 32594 states and 44306 transitions. [2022-07-14 02:25:58,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:25:58,218 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 [2022-07-14 02:25:58,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:25:58,274 INFO L225 Difference]: With dead ends: 32594 [2022-07-14 02:25:58,274 INFO L226 Difference]: Without dead ends: 17514 [2022-07-14 02:25:58,309 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 [2022-07-14 02:25:58,311 INFO L413 NwaCegarLoop]: 5492 mSDtfsCounter, 2621 mSDsluCounter, 3790 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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 [2022-07-14 02:25:58,311 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] [2022-07-14 02:25:58,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17514 states. [2022-07-14 02:25:58,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17514 to 17510. [2022-07-14 02:25:58,836 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) [2022-07-14 02:25:58,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17510 states to 17510 states and 23784 transitions. [2022-07-14 02:25:58,884 INFO L78 Accepts]: Start accepts. Automaton has 17510 states and 23784 transitions. Word has length 435 [2022-07-14 02:25:58,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:25:58,885 INFO L495 AbstractCegarLoop]: Abstraction has 17510 states and 23784 transitions. [2022-07-14 02:25:58,885 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) [2022-07-14 02:25:58,885 INFO L276 IsEmpty]: Start isEmpty. Operand 17510 states and 23784 transitions. [2022-07-14 02:25:58,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-07-14 02:25:58,899 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:58,899 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] [2022-07-14 02:25:58,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 02:25:59,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:25:59,117 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:59,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:59,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1634836538, now seen corresponding path program 1 times [2022-07-14 02:25:59,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:25:59,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409906946] [2022-07-14 02:25:59,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:59,120 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:25:59,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:25:59,121 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:25:59,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 02:26:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:02,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:26:02,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:26:03,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1492 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 1399 trivial. 0 not checked. [2022-07-14 02:26:03,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:26:03,020 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:26:03,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409906946] [2022-07-14 02:26:03,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409906946] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:26:03,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:26:03,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:26:03,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745766530] [2022-07-14 02:26:03,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:26:03,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:26:03,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:26:03,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:26:03,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:26:03,021 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) [2022-07-14 02:26:04,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:26:04,018 INFO L93 Difference]: Finished difference Result 37420 states and 50832 transitions. [2022-07-14 02:26:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:26:04,019 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 [2022-07-14 02:26:04,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:26:04,104 INFO L225 Difference]: With dead ends: 37420 [2022-07-14 02:26:04,104 INFO L226 Difference]: Without dead ends: 19943 [2022-07-14 02:26:04,158 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 [2022-07-14 02:26:04,159 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 [2022-07-14 02:26:04,160 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] [2022-07-14 02:26:04,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19943 states. [2022-07-14 02:26:04,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19943 to 19939. [2022-07-14 02:26:04,744 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) [2022-07-14 02:26:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19939 states to 19939 states and 27066 transitions. [2022-07-14 02:26:04,809 INFO L78 Accepts]: Start accepts. Automaton has 19939 states and 27066 transitions. Word has length 435 [2022-07-14 02:26:04,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:26:04,811 INFO L495 AbstractCegarLoop]: Abstraction has 19939 states and 27066 transitions. [2022-07-14 02:26:04,811 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) [2022-07-14 02:26:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 19939 states and 27066 transitions. [2022-07-14 02:26:04,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-07-14 02:26:04,826 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:26:04,826 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] [2022-07-14 02:26:04,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 02:26:05,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:26:05,052 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:26:05,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:26:05,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1717811628, now seen corresponding path program 1 times [2022-07-14 02:26:05,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:26:05,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546081853] [2022-07-14 02:26:05,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:26:05,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:26:05,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:26:05,056 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:26:05,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 02:26:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:08,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 3114 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-14 02:26:08,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:26:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2022-07-14 02:26:09,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:26:09,916 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:26:09,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546081853] [2022-07-14 02:26:09,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1546081853] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:26:09,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:26:09,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-14 02:26:09,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183126951] [2022-07-14 02:26:09,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:26:09,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 02:26:09,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:26:09,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 02:26:09,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-07-14 02:26:09,918 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) [2022-07-14 02:26:57,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:26:57,546 INFO L93 Difference]: Finished difference Result 59698 states and 81474 transitions. [2022-07-14 02:26:57,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-14 02:26:57,572 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 [2022-07-14 02:26:57,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:26:57,753 INFO L225 Difference]: With dead ends: 59698 [2022-07-14 02:26:57,753 INFO L226 Difference]: Without dead ends: 39762 [2022-07-14 02:26:57,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2022-07-14 02:26:57,818 INFO L413 NwaCegarLoop]: 7407 mSDtfsCounter, 6747 mSDsluCounter, 61272 mSDsCounter, 0 mSdLazyCounter, 5348 mSolverCounterSat, 1099 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.4s 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, 44.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:26:57,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6784 Valid, 68679 Invalid, 6447 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1099 Valid, 5348 Invalid, 0 Unknown, 0 Unchecked, 44.8s Time] [2022-07-14 02:26:57,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39762 states. [2022-07-14 02:26:59,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39762 to 35677. [2022-07-14 02:26:59,127 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) [2022-07-14 02:26:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35677 states to 35677 states and 48402 transitions. [2022-07-14 02:26:59,233 INFO L78 Accepts]: Start accepts. Automaton has 35677 states and 48402 transitions. Word has length 476 [2022-07-14 02:26:59,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:26:59,234 INFO L495 AbstractCegarLoop]: Abstraction has 35677 states and 48402 transitions. [2022-07-14 02:26:59,234 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) [2022-07-14 02:26:59,234 INFO L276 IsEmpty]: Start isEmpty. Operand 35677 states and 48402 transitions. [2022-07-14 02:26:59,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-14 02:26:59,255 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:26:59,255 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] [2022-07-14 02:26:59,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 02:26:59,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:26:59,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:26:59,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:26:59,472 INFO L85 PathProgramCache]: Analyzing trace with hash -341303462, now seen corresponding path program 1 times [2022-07-14 02:26:59,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:26:59,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160503257] [2022-07-14 02:26:59,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:26:59,474 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:26:59,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:26:59,477 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) [2022-07-14 02:26:59,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 02:27:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:03,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:27:03,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:27:03,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2022-07-14 02:27:03,449 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:27:03,449 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:27:03,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160503257] [2022-07-14 02:27:03,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1160503257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:03,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:03,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:27:03,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322557395] [2022-07-14 02:27:03,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:03,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:27:03,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:27:03,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:27:03,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:27:03,451 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) [2022-07-14 02:27:05,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:05,152 INFO L93 Difference]: Finished difference Result 74149 states and 100586 transitions. [2022-07-14 02:27:05,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:27:05,153 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 [2022-07-14 02:27:05,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:05,338 INFO L225 Difference]: With dead ends: 74149 [2022-07-14 02:27:05,338 INFO L226 Difference]: Without dead ends: 38505 [2022-07-14 02:27:05,429 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 [2022-07-14 02:27:05,431 INFO L413 NwaCegarLoop]: 6479 mSDtfsCounter, 2819 mSDsluCounter, 16733 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:27:05,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 23212 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 02:27:05,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38505 states. [2022-07-14 02:27:06,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38505 to 38497. [2022-07-14 02:27:06,493 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) [2022-07-14 02:27:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38497 states to 38497 states and 52216 transitions. [2022-07-14 02:27:06,618 INFO L78 Accepts]: Start accepts. Automaton has 38497 states and 52216 transitions. Word has length 484 [2022-07-14 02:27:06,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:06,620 INFO L495 AbstractCegarLoop]: Abstraction has 38497 states and 52216 transitions. [2022-07-14 02:27:06,620 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) [2022-07-14 02:27:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 38497 states and 52216 transitions. [2022-07-14 02:27:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-07-14 02:27:06,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:06,643 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] [2022-07-14 02:27:06,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-14 02:27:06,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:27:06,864 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:06,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:06,864 INFO L85 PathProgramCache]: Analyzing trace with hash 2006712056, now seen corresponding path program 1 times [2022-07-14 02:27:06,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:27:06,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792317709] [2022-07-14 02:27:06,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:06,866 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:27:06,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:27:06,868 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) [2022-07-14 02:27:06,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-14 02:27:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:10,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 3139 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:27:10,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:27:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2022-07-14 02:27:11,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:27:11,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:27:11,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792317709] [2022-07-14 02:27:11,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792317709] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:11,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:11,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:27:11,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396825310] [2022-07-14 02:27:11,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:11,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:27:11,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:27:11,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:27:11,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:27:11,298 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) [2022-07-14 02:27:13,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:13,145 INFO L93 Difference]: Finished difference Result 79586 states and 107905 transitions. [2022-07-14 02:27:13,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:27:13,145 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 [2022-07-14 02:27:13,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:13,269 INFO L225 Difference]: With dead ends: 79586 [2022-07-14 02:27:13,270 INFO L226 Difference]: Without dead ends: 41122 [2022-07-14 02:27:13,350 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 [2022-07-14 02:27:13,350 INFO L413 NwaCegarLoop]: 6683 mSDtfsCounter, 2825 mSDsluCounter, 17143 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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 [2022-07-14 02:27:13,350 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] [2022-07-14 02:27:13,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41122 states. [2022-07-14 02:27:14,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41122 to 41114. [2022-07-14 02:27:14,387 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) [2022-07-14 02:27:14,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41114 states to 41114 states and 55711 transitions. [2022-07-14 02:27:14,509 INFO L78 Accepts]: Start accepts. Automaton has 41114 states and 55711 transitions. Word has length 485 [2022-07-14 02:27:14,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:14,510 INFO L495 AbstractCegarLoop]: Abstraction has 41114 states and 55711 transitions. [2022-07-14 02:27:14,510 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) [2022-07-14 02:27:14,510 INFO L276 IsEmpty]: Start isEmpty. Operand 41114 states and 55711 transitions. [2022-07-14 02:27:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2022-07-14 02:27:14,530 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:14,531 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] [2022-07-14 02:27:14,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-14 02:27:14,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:27:14,748 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:14,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:14,748 INFO L85 PathProgramCache]: Analyzing trace with hash 949324567, now seen corresponding path program 1 times [2022-07-14 02:27:14,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:27:14,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054936547] [2022-07-14 02:27:14,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:14,750 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:27:14,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:27:14,752 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) [2022-07-14 02:27:14,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-14 02:27:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:18,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 3140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:27:18,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:27:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2022-07-14 02:27:18,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:27:18,885 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:27:18,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054936547] [2022-07-14 02:27:18,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2054936547] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:18,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:18,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:27:18,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946461411] [2022-07-14 02:27:18,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:18,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:27:18,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:27:18,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:27:18,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:27:18,887 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) [2022-07-14 02:27:20,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:20,805 INFO L93 Difference]: Finished difference Result 84745 states and 114826 transitions. [2022-07-14 02:27:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:27:20,806 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 [2022-07-14 02:27:20,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:20,959 INFO L225 Difference]: With dead ends: 84745 [2022-07-14 02:27:20,960 INFO L226 Difference]: Without dead ends: 43664 [2022-07-14 02:27:21,181 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 [2022-07-14 02:27:21,182 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 [2022-07-14 02:27:21,182 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] [2022-07-14 02:27:21,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43664 states. [2022-07-14 02:27:22,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43664 to 43656. [2022-07-14 02:27:22,350 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) [2022-07-14 02:27:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43656 states to 43656 states and 59133 transitions. [2022-07-14 02:27:22,501 INFO L78 Accepts]: Start accepts. Automaton has 43656 states and 59133 transitions. Word has length 486 [2022-07-14 02:27:22,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:22,502 INFO L495 AbstractCegarLoop]: Abstraction has 43656 states and 59133 transitions. [2022-07-14 02:27:22,503 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) [2022-07-14 02:27:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 43656 states and 59133 transitions. [2022-07-14 02:27:22,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-14 02:27:22,521 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:22,521 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] [2022-07-14 02:27:22,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-14 02:27:22,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:27:22,748 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:22,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:22,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1698626261, now seen corresponding path program 1 times [2022-07-14 02:27:22,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:27:22,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62460301] [2022-07-14 02:27:22,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:22,750 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:27:22,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:27:22,751 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) [2022-07-14 02:27:22,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-14 02:27:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:26,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 3141 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:27:26,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:27:26,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2022-07-14 02:27:26,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:27:26,940 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:27:26,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62460301] [2022-07-14 02:27:26,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62460301] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:26,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:26,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:27:26,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095771819] [2022-07-14 02:27:26,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:26,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:27:26,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:27:26,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:27:26,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:27:26,941 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) [2022-07-14 02:27:29,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:29,002 INFO L93 Difference]: Finished difference Result 90054 states and 122017 transitions. [2022-07-14 02:27:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:27:29,003 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 [2022-07-14 02:27:29,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:29,157 INFO L225 Difference]: With dead ends: 90054 [2022-07-14 02:27:29,158 INFO L226 Difference]: Without dead ends: 46431 [2022-07-14 02:27:29,260 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 [2022-07-14 02:27:29,260 INFO L413 NwaCegarLoop]: 6139 mSDtfsCounter, 2654 mSDsluCounter, 16041 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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 [2022-07-14 02:27:29,261 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] [2022-07-14 02:27:29,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46431 states. [2022-07-14 02:27:30,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46431 to 46423. [2022-07-14 02:27:30,496 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) [2022-07-14 02:27:30,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46423 states to 46423 states and 62888 transitions. [2022-07-14 02:27:30,682 INFO L78 Accepts]: Start accepts. Automaton has 46423 states and 62888 transitions. Word has length 487 [2022-07-14 02:27:30,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:30,683 INFO L495 AbstractCegarLoop]: Abstraction has 46423 states and 62888 transitions. [2022-07-14 02:27:30,683 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) [2022-07-14 02:27:30,683 INFO L276 IsEmpty]: Start isEmpty. Operand 46423 states and 62888 transitions. [2022-07-14 02:27:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-07-14 02:27:30,707 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:30,707 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] [2022-07-14 02:27:30,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-07-14 02:27:30,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:27:30,937 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:30,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:30,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1674249516, now seen corresponding path program 1 times [2022-07-14 02:27:30,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:27:30,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790160495] [2022-07-14 02:27:30,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:30,940 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:27:30,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:27:30,941 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) [2022-07-14 02:27:30,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-14 02:27:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:34,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 3142 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:27:34,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:27:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2022-07-14 02:27:34,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:27:34,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:27:34,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790160495] [2022-07-14 02:27:34,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [790160495] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:34,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:34,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:27:34,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013885211] [2022-07-14 02:27:34,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:34,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:27:34,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:27:34,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:27:34,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:27:34,933 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) [2022-07-14 02:27:37,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:37,127 INFO L93 Difference]: Finished difference Result 95298 states and 129098 transitions. [2022-07-14 02:27:37,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:27:37,261 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 [2022-07-14 02:27:37,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:37,431 INFO L225 Difference]: With dead ends: 95298 [2022-07-14 02:27:37,432 INFO L226 Difference]: Without dead ends: 48908 [2022-07-14 02:27:37,530 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 [2022-07-14 02:27:37,533 INFO L413 NwaCegarLoop]: 6456 mSDtfsCounter, 2661 mSDsluCounter, 16674 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:27:37,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2661 Valid, 23130 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-14 02:27:37,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48908 states. [2022-07-14 02:27:38,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48908 to 48900. [2022-07-14 02:27:38,727 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) [2022-07-14 02:27:38,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48900 states to 48900 states and 66212 transitions. [2022-07-14 02:27:38,926 INFO L78 Accepts]: Start accepts. Automaton has 48900 states and 66212 transitions. Word has length 488 [2022-07-14 02:27:38,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:38,941 INFO L495 AbstractCegarLoop]: Abstraction has 48900 states and 66212 transitions. [2022-07-14 02:27:38,942 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) [2022-07-14 02:27:38,942 INFO L276 IsEmpty]: Start isEmpty. Operand 48900 states and 66212 transitions. [2022-07-14 02:27:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2022-07-14 02:27:39,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:39,004 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] [2022-07-14 02:27:39,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-14 02:27:39,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:27:39,220 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:39,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:39,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1127426239, now seen corresponding path program 1 times [2022-07-14 02:27:39,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:27:39,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073998386] [2022-07-14 02:27:39,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:39,222 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:27:39,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:27:39,224 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) [2022-07-14 02:27:39,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-14 02:27:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:42,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 3254 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 02:27:42,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:27:46,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1914 backedges. 583 proven. 0 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2022-07-14 02:27:46,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:27:46,905 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:27:46,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073998386] [2022-07-14 02:27:46,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073998386] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:46,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:46,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:27:46,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532999157] [2022-07-14 02:27:46,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:46,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:27:46,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:27:46,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:27:46,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:27:46,906 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) [2022-07-14 02:28:12,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:28:12,636 INFO L93 Difference]: Finished difference Result 139657 states and 188581 transitions. [2022-07-14 02:28:12,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 02:28:12,639 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 534 [2022-07-14 02:28:12,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:28:13,231 INFO L225 Difference]: With dead ends: 139657 [2022-07-14 02:28:13,231 INFO L226 Difference]: Without dead ends: 89365 [2022-07-14 02:28:13,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:28:13,367 INFO L413 NwaCegarLoop]: 4532 mSDtfsCounter, 3485 mSDsluCounter, 8294 mSDsCounter, 0 mSdLazyCounter, 2821 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3518 SdHoareTripleChecker+Valid, 12826 SdHoareTripleChecker+Invalid, 2830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:28:13,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3518 Valid, 12826 Invalid, 2830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2821 Invalid, 0 Unknown, 0 Unchecked, 23.6s Time] [2022-07-14 02:28:13,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89365 states. [2022-07-14 02:28:15,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89365 to 89251. [2022-07-14 02:28:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89251 states, 61945 states have (on average 1.2453466785051255) internal successors, (77143), 62558 states have internal predecessors, (77143), 21452 states have call successors, (21452), 5837 states have call predecessors, (21452), 5853 states have return successors, (21494), 21326 states have call predecessors, (21494), 21452 states have call successors, (21494) [2022-07-14 02:28:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89251 states to 89251 states and 120089 transitions. [2022-07-14 02:28:16,018 INFO L78 Accepts]: Start accepts. Automaton has 89251 states and 120089 transitions. Word has length 534 [2022-07-14 02:28:16,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:28:16,019 INFO L495 AbstractCegarLoop]: Abstraction has 89251 states and 120089 transitions. [2022-07-14 02:28:16,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-14 02:28:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand 89251 states and 120089 transitions. [2022-07-14 02:28:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2022-07-14 02:28:16,059 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:28:16,059 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 14, 14, 14, 14, 14, 14, 11, 11, 11, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:28:16,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-14 02:28:16,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:28:16,280 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:28:16,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:28:16,280 INFO L85 PathProgramCache]: Analyzing trace with hash -284478841, now seen corresponding path program 1 times [2022-07-14 02:28:16,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:28:16,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294767219] [2022-07-14 02:28:16,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:28:16,478 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:28:16,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:28:16,513 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:28:16,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-14 02:28:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:20,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 3255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:28:20,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:28:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1885 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 1752 trivial. 0 not checked. [2022-07-14 02:28:20,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:28:20,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:28:20,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294767219] [2022-07-14 02:28:20,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294767219] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:28:20,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:28:20,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:28:20,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292750257] [2022-07-14 02:28:20,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:28:20,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:28:20,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:28:20,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:28:20,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:28:20,479 INFO L87 Difference]: Start difference. First operand 89251 states and 120089 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47)