./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.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 fe434f0112be26c4714543d386b3350bd2a9bdce09b4b83ffbdf4c55da2983b7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:20:40,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:20:40,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:20:40,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:20:40,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:20:40,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:20:40,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:20:40,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:20:40,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:20:40,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:20:40,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:20:40,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:20:40,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:20:40,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:20:40,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:20:40,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:20:40,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:20:40,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:20:40,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:20:40,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:20:40,933 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:20:40,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:20:40,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:20:40,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:20:40,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:20:40,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:20:40,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:20:40,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:20:40,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:20:40,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:20:40,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:20:40,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:20:40,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:20:40,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:20:40,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:20:40,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:20:40,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:20:40,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:20:40,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:20:40,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:20:40,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:20:40,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:20:40,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:20:40,976 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:20:40,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:20:40,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:20:40,977 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:20:40,978 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:20:40,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:20:40,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:20:40,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:20:40,979 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:20:40,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:20:40,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:20:40,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:20:40,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:20:40,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:20:40,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:20:40,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:20:40,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:20:40,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:20:40,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:20:40,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:20:40,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:20:40,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:20:40,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:20:40,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:20:40,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:20:40,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:20:40,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:20:40,982 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:20:40,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:20:40,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:20:40,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe434f0112be26c4714543d386b3350bd2a9bdce09b4b83ffbdf4c55da2983b7 [2022-07-14 03:20:41,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:20:41,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:20:41,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:20:41,197 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:20:41,198 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:20:41,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-14 03:20:41,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c12f6dda6/6eb0f805e9d04ea7802b4d17f1986316/FLAG289cdaa6c [2022-07-14 03:20:41,875 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:20:41,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-14 03:20:41,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c12f6dda6/6eb0f805e9d04ea7802b4d17f1986316/FLAG289cdaa6c [2022-07-14 03:20:42,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c12f6dda6/6eb0f805e9d04ea7802b4d17f1986316 [2022-07-14 03:20:42,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:20:42,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:20:42,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:20:42,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:20:42,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:20:42,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:20:42" (1/1) ... [2022-07-14 03:20:42,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d93fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:42, skipping insertion in model container [2022-07-14 03:20:42,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:20:42" (1/1) ... [2022-07-14 03:20:42,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:20:42,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:20:44,354 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339084,339097] [2022-07-14 03:20:44,357 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339229,339242] [2022-07-14 03:20:44,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:20:44,432 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:20:44,997 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: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7920] 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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 03:20:45,009 INFO L158 Benchmark]: Toolchain (without parser) took 2727.21ms. Allocated memory was 136.3MB in the beginning and 216.0MB in the end (delta: 79.7MB). Free memory was 88.2MB in the beginning and 112.8MB in the end (delta: -24.6MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2022-07-14 03:20:45,010 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 03:20:45,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2723.42ms. Allocated memory was 136.3MB in the beginning and 216.0MB in the end (delta: 79.7MB). Free memory was 88.2MB in the beginning and 112.8MB in the end (delta: -24.6MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2022-07-14 03:20:45,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2723.42ms. Allocated memory was 136.3MB in the beginning and 216.0MB in the end (delta: 79.7MB). Free memory was 88.2MB in the beginning and 112.8MB in the end (delta: -24.6MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7920] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7920]: 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.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 fe434f0112be26c4714543d386b3350bd2a9bdce09b4b83ffbdf4c55da2983b7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:20:47,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:20:47,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:20:47,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:20:47,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:20:47,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:20:47,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:20:47,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:20:47,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:20:47,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:20:47,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:20:47,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:20:47,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:20:47,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:20:47,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:20:47,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:20:47,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:20:47,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:20:47,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:20:47,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:20:47,162 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:20:47,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:20:47,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:20:47,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:20:47,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:20:47,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:20:47,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:20:47,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:20:47,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:20:47,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:20:47,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:20:47,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:20:47,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:20:47,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:20:47,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:20:47,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:20:47,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:20:47,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:20:47,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:20:47,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:20:47,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:20:47,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:20:47,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 03:20:47,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:20:47,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:20:47,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:20:47,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:20:47,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:20:47,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:20:47,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:20:47,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:20:47,232 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:20:47,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:20:47,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:20:47,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:20:47,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:20:47,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:20:47,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 03:20:47,234 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 03:20:47,234 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 03:20:47,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:20:47,235 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:20:47,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:20:47,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:20:47,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:20:47,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:20:47,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:20:47,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:20:47,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:20:47,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:20:47,236 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 03:20:47,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 03:20:47,236 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:20:47,237 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:20:47,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:20:47,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 03:20:47,237 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe434f0112be26c4714543d386b3350bd2a9bdce09b4b83ffbdf4c55da2983b7 [2022-07-14 03:20:47,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:20:47,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:20:47,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:20:47,535 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:20:47,535 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:20:47,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-14 03:20:47,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1e169962/77ed0d21427a413ebe8f96a694b42a97/FLAG9beb33974 [2022-07-14 03:20:48,221 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:20:48,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-14 03:20:48,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1e169962/77ed0d21427a413ebe8f96a694b42a97/FLAG9beb33974 [2022-07-14 03:20:48,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1e169962/77ed0d21427a413ebe8f96a694b42a97 [2022-07-14 03:20:48,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:20:48,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:20:48,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:20:48,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:20:48,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:20:48,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:20:48" (1/1) ... [2022-07-14 03:20:48,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232ea96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:48, skipping insertion in model container [2022-07-14 03:20:48,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:20:48" (1/1) ... [2022-07-14 03:20:48,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:20:48,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:20:51,455 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339084,339097] [2022-07-14 03:20:51,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339229,339242] [2022-07-14 03:20:51,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:20:51,561 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 03:20:51,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:20:51,879 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339084,339097] [2022-07-14 03:20:51,880 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339229,339242] [2022-07-14 03:20:51,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:20:51,914 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:20:52,196 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339084,339097] [2022-07-14 03:20:52,197 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339229,339242] [2022-07-14 03:20:52,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:20:52,341 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:20:52,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:52 WrapperNode [2022-07-14 03:20:52,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:20:52,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:20:52,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:20:52,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:20:52,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:52" (1/1) ... [2022-07-14 03:20:52,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:52" (1/1) ... [2022-07-14 03:20:52,632 INFO L137 Inliner]: procedures = 439, calls = 2331, calls flagged for inlining = 195, calls inlined = 180, statements flattened = 4774 [2022-07-14 03:20:52,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:20:52,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:20:52,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:20:52,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:20:52,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:52" (1/1) ... [2022-07-14 03:20:52,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:52" (1/1) ... [2022-07-14 03:20:52,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:52" (1/1) ... [2022-07-14 03:20:52,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:52" (1/1) ... [2022-07-14 03:20:52,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:52" (1/1) ... [2022-07-14 03:20:52,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:52" (1/1) ... [2022-07-14 03:20:52,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:52" (1/1) ... [2022-07-14 03:20:52,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:20:52,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:20:52,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:20:52,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:20:52,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:52" (1/1) ... [2022-07-14 03:20:52,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:20:52,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:20:52,951 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 03:20:52,965 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 03:20:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2022-07-14 03:20:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2022-07-14 03:20:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 03:20:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 03:20:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:20:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:20:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 03:20:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 03:20:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2022-07-14 03:20:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2022-07-14 03:20:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2022-07-14 03:20:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2022-07-14 03:20:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:20:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:20:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2022-07-14 03:20:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2022-07-14 03:20:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2022-07-14 03:20:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2022-07-14 03:20:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 03:20:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 03:20:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tlan_priv [2022-07-14 03:20:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tlan_priv [2022-07-14 03:20:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2022-07-14 03:20:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2022-07-14 03:20:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2022-07-14 03:20:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2022-07-14 03:20:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 03:20:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 03:20:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:20:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:20:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 03:20:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 03:20:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:20:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:20:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 03:20:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 03:20:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:20:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 03:20:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 03:20:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 03:20:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 03:20:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 03:20:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 03:20:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2022-07-14 03:20:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2022-07-14 03:20:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2022-07-14 03:20:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2022-07-14 03:20:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 03:20:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 03:20:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2022-07-14 03:20:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2022-07-14 03:20:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-14 03:20:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-14 03:20:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tlan_priv [2022-07-14 03:20:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tlan_priv [2022-07-14 03:20:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2022-07-14 03:20:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2022-07-14 03:20:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2022-07-14 03:20:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2022-07-14 03:20:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:20:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:20:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 03:20:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 03:20:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 03:20:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 03:20:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 03:20:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 03:20:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:20:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:20:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 03:20:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 03:20:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2022-07-14 03:20:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2022-07-14 03:20:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_timer [2022-07-14 03:20:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_timer [2022-07-14 03:20:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2022-07-14 03:20:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2022-07-14 03:20:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2022-07-14 03:20:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2022-07-14 03:20:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 03:20:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 03:20:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_88 [2022-07-14 03:20:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_88 [2022-07-14 03:20:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 03:20:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 03:20:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2022-07-14 03:20:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2022-07-14 03:20:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2022-07-14 03:20:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2022-07-14 03:20:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2022-07-14 03:20:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2022-07-14 03:20:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:20:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-14 03:20:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-14 03:20:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2022-07-14 03:20:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2022-07-14 03:20:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-14 03:20:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-14 03:20:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:20:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:20:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:20:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:20:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:20:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:20:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 03:20:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:20:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:20:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2022-07-14 03:20:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2022-07-14 03:20:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:20:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:20:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 03:20:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 03:20:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 03:20:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 03:20:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 03:20:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 03:20:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 03:20:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 03:20:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-14 03:20:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-14 03:20:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2022-07-14 03:20:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2022-07-14 03:20:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2022-07-14 03:20:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2022-07-14 03:20:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:20:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:20:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 03:20:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 03:20:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-14 03:20:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-14 03:20:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 03:20:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_up [2022-07-14 03:20:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_up [2022-07-14 03:20:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 03:20:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:20:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:20:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 03:20:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 03:20:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-14 03:20:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-14 03:20:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2022-07-14 03:20:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2022-07-14 03:20:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2022-07-14 03:20:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2022-07-14 03:20:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 03:20:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 03:20:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_finish_auto_neg [2022-07-14 03:20:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_finish_auto_neg [2022-07-14 03:20:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 03:20:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 03:20:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 03:20:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 03:20:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-14 03:20:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-14 03:20:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_start_link [2022-07-14 03:20:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_start_link [2022-07-14 03:20:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:20:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2022-07-14 03:20:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2022-07-14 03:20:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 03:20:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 03:20:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:20:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-14 03:20:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-14 03:20:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2022-07-14 03:20:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2022-07-14 03:20:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 03:20:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 03:20:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 03:20:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 03:20:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:20:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2022-07-14 03:20:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2022-07-14 03:20:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2022-07-14 03:20:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2022-07-14 03:20:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-14 03:20:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-14 03:20:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 03:20:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 03:20:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-14 03:20:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-14 03:20:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:20:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:20:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-14 03:20:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-14 03:20:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2022-07-14 03:20:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2022-07-14 03:20:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2022-07-14 03:20:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2022-07-14 03:20:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 03:20:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 03:20:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 03:20:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 03:20:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2022-07-14 03:20:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2022-07-14 03:20:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-14 03:20:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-14 03:20:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2022-07-14 03:20:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2022-07-14 03:20:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2022-07-14 03:20:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2022-07-14 03:20:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2022-07-14 03:20:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2022-07-14 03:20:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:20:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:20:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2022-07-14 03:20:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2022-07-14 03:20:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 03:20:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 03:20:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2022-07-14 03:20:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2022-07-14 03:20:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2022-07-14 03:20:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2022-07-14 03:20:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_reset [2022-07-14 03:20:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_reset [2022-07-14 03:20:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2022-07-14 03:20:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2022-07-14 03:20:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:20:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:20:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2022-07-14 03:20:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2022-07-14 03:20:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 03:20:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 03:20:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-14 03:20:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-14 03:20:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-07-14 03:20:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-07-14 03:20:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-14 03:20:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-14 03:20:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-14 03:20:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-14 03:20:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-14 03:20:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:20:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:20:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-14 03:20:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-14 03:20:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-14 03:20:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-14 03:20:53,580 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:20:53,583 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:21:05,884 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:21:32,000 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6972: assume 1bv32 != ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___3~1#1); [2022-07-14 03:21:32,001 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6972: assume !(1bv32 != ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___3~1#1)); [2022-07-14 03:21:32,001 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7005: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet339#1; [2022-07-14 03:21:32,002 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7005: assume !(16bv32 == ~debug~0); [2022-07-14 03:21:32,007 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-14 03:21:32,008 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974-1: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet340#1; [2022-07-14 03:21:32,008 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974-1: assume !(16bv32 == ~debug~0); [2022-07-14 03:21:32,008 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6945: assume 0bv64 == ~bvadd64(tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset); [2022-07-14 03:21:32,008 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6945: assume !(0bv64 == ~bvadd64(tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset)); [2022-07-14 03:21:32,008 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6979: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet336#1; [2022-07-14 03:21:32,008 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6979: assume !(16bv32 == ~debug~0); [2022-07-14 03:21:32,009 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7045: assume ~bvsle64(tlan_eisa_probe_~ioaddr~0#1, 36863bv64); [2022-07-14 03:21:32,009 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7045: assume !~bvsle64(tlan_eisa_probe_~ioaddr~0#1, 36863bv64); [2022-07-14 03:21:32,009 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6979-2: SUMMARY for call tlan_eisa_probe_#t~ret337#1 := inb(~bvadd32(3264bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-14 03:21:32,009 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: assume 0bv32 != ~bvand32(16bv32, ~debug~0); [2022-07-14 03:21:32,010 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-14 03:21:32,010 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6950: SUMMARY for call tlan_eisa_probe_#t~ret333#1 := inw(~bvadd32(3200bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-14 03:21:32,010 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6950-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret333#1;havoc tlan_eisa_probe_#t~ret333#1; [2022-07-14 03:21:32,010 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7017: SUMMARY for call tlan_eisa_probe_#t~ret338#1 := tlan_probe1(0bv64, 0bv64, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12bv32, 0bv64, 0bv64); srcloc: null [2022-07-14 03:21:32,010 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6952: assume 4366bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~tmp___2~2#1); [2022-07-14 03:21:32,010 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6952: assume !(4366bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~tmp___2~2#1)); [2022-07-14 03:21:32,010 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6986: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret337#1;havoc tlan_eisa_probe_#t~ret337#1; [2022-07-14 03:21:32,011 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6954: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-14 03:21:32,011 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6921-1: assume 0bv32 != ~bvand32(16bv32, ~debug~0); [2022-07-14 03:21:32,011 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6921-1: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-14 03:21:32,011 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923-1: tlan_eisa_probe_~tmp~35#1 := tlan_eisa_probe_#t~ret327#1;havoc tlan_eisa_probe_#t~ret327#1;havoc tlan_eisa_probe_#t~nondet328#1; [2022-07-14 03:21:32,011 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: SUMMARY for call tlan_eisa_probe_#t~ret327#1 := inw(~bvadd32(3200bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-14 03:21:32,011 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6989: assume 16bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-14 03:21:32,011 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6989: assume !(16bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1)); [2022-07-14 03:21:32,011 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6990: tlan_eisa_probe_~irq~0#1 := 5bv32; [2022-07-14 03:21:32,012 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7024: tlan_eisa_probe_~rc~2#1 := tlan_eisa_probe_#t~ret338#1;havoc tlan_eisa_probe_#t~ret338#1; [2022-07-14 03:21:32,012 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6960-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret334#1;havoc tlan_eisa_probe_#t~ret334#1; [2022-07-14 03:21:32,012 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6960: SUMMARY for call tlan_eisa_probe_#t~ret334#1 := inw(~bvadd32(3202bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-14 03:21:32,012 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6993: assume 32bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-14 03:21:32,012 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6993: assume !(32bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1)); [2022-07-14 03:21:32,012 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6994: tlan_eisa_probe_~irq~0#1 := 9bv32; [2022-07-14 03:21:32,012 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6928-1: assume 0bv32 != ~bvand32(16bv32, ~debug~0);havoc tlan_eisa_probe_#t~nondet331#1; [2022-07-14 03:21:32,012 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6928-1: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-14 03:21:32,013 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: assume 8433bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1) && 16625bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1); [2022-07-14 03:21:32,013 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: assume !(8433bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1) && 16625bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1)); [2022-07-14 03:21:32,013 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6930: SUMMARY for call tlan_eisa_probe_#t~ret329#1 := inw(~bvadd32(3202bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-14 03:21:32,013 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6930-1: tlan_eisa_probe_~tmp___0~12#1 := tlan_eisa_probe_#t~ret329#1;havoc tlan_eisa_probe_#t~ret329#1;havoc tlan_eisa_probe_#t~nondet330#1; [2022-07-14 03:21:32,013 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6964: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-14 03:21:32,013 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6997: assume 64bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-14 03:21:32,013 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6997: assume !(64bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1)); [2022-07-14 03:21:32,014 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6998: tlan_eisa_probe_~irq~0#1 := 10bv32; [2022-07-14 03:21:32,014 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935-1: call tlan_eisa_probe_#t~ret332#1.base, tlan_eisa_probe_#t~ret332#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0bv32);tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset := tlan_eisa_probe_#t~ret332#1.base, tlan_eisa_probe_#t~ret332#1.offset;havoc tlan_eisa_probe_#t~ret332#1.base, tlan_eisa_probe_#t~ret332#1.offset; [2022-07-14 03:21:32,014 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001: assume 128bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-14 03:21:32,014 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001: assume !(128bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1)); [2022-07-14 03:21:32,014 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7002: tlan_eisa_probe_~irq~0#1 := 11bv32; [2022-07-14 03:21:32,014 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6970: SUMMARY for call tlan_eisa_probe_#t~ret335#1 := inb(~bvadd32(3204bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-14 03:21:32,015 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7036-1: tlan_eisa_probe_~ioaddr~0#1 := ~bvadd64(4096bv64, tlan_eisa_probe_~ioaddr~0#1); [2022-07-14 03:21:32,015 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6970-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret335#1;havoc tlan_eisa_probe_#t~ret335#1; [2022-07-14 03:21:32,123 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:21:32,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:21:32,137 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 03:21:32,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:21:32 BoogieIcfgContainer [2022-07-14 03:21:32,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:21:32,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:21:32,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:21:32,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:21:32,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:20:48" (1/3) ... [2022-07-14 03:21:32,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea70c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:21:32, skipping insertion in model container [2022-07-14 03:21:32,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:20:52" (2/3) ... [2022-07-14 03:21:32,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea70c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:21:32, skipping insertion in model container [2022-07-14 03:21:32,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:21:32" (3/3) ... [2022-07-14 03:21:32,146 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-14 03:21:32,156 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:21:32,156 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 03:21:32,214 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:21:32,218 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@4f3e0144, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@c56bd19 [2022-07-14 03:21:32,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 03:21:32,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 1996 states, 1285 states have (on average 1.2568093385214008) internal successors, (1615), 1339 states have internal predecessors, (1615), 602 states have call successors, (602), 108 states have call predecessors, (602), 107 states have return successors, (598), 580 states have call predecessors, (598), 598 states have call successors, (598) [2022-07-14 03:21:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-14 03:21:32,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:21:32,248 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-14 03:21:32,249 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:21:32,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:21:32,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1038281529, now seen corresponding path program 1 times [2022-07-14 03:21:32,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:21:32,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053967046] [2022-07-14 03:21:32,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:21:32,266 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:21:32,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:21:32,268 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 03:21:32,269 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 03:21:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:34,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:21:34,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:21:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-07-14 03:21:34,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:21:34,265 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:21:34,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053967046] [2022-07-14 03:21:34,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053967046] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:21:34,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:21:34,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 03:21:34,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010139608] [2022-07-14 03:21:34,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:21:34,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:21:34,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:21:34,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:21:34,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:21:34,301 INFO L87 Difference]: Start difference. First operand has 1996 states, 1285 states have (on average 1.2568093385214008) internal successors, (1615), 1339 states have internal predecessors, (1615), 602 states have call successors, (602), 108 states have call predecessors, (602), 107 states have return successors, (598), 580 states have call predecessors, (598), 598 states have call successors, (598) Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-14 03:21:36,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:21:37,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:21:37,049 INFO L93 Difference]: Finished difference Result 5711 states and 8287 transitions. [2022-07-14 03:21:37,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:21:37,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 172 [2022-07-14 03:21:37,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:21:37,085 INFO L225 Difference]: With dead ends: 5711 [2022-07-14 03:21:37,085 INFO L226 Difference]: Without dead ends: 3550 [2022-07-14 03:21:37,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 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 03:21:37,111 INFO L413 NwaCegarLoop]: 3915 mSDtfsCounter, 2422 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 30 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2422 SdHoareTripleChecker+Valid, 6626 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:21:37,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 6626 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 03:21:37,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3550 states. [2022-07-14 03:21:37,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3550 to 3533. [2022-07-14 03:21:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3533 states, 2298 states have (on average 1.2389033942558747) internal successors, (2847), 2394 states have internal predecessors, (2847), 1033 states have call successors, (1033), 201 states have call predecessors, (1033), 201 states have return successors, (1042), 999 states have call predecessors, (1042), 1033 states have call successors, (1042) [2022-07-14 03:21:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3533 states and 4922 transitions. [2022-07-14 03:21:37,305 INFO L78 Accepts]: Start accepts. Automaton has 3533 states and 4922 transitions. Word has length 172 [2022-07-14 03:21:37,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:21:37,306 INFO L495 AbstractCegarLoop]: Abstraction has 3533 states and 4922 transitions. [2022-07-14 03:21:37,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-14 03:21:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3533 states and 4922 transitions. [2022-07-14 03:21:37,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-14 03:21:37,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:21:37,314 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-14 03:21:37,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-14 03:21:37,531 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 03:21:37,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:21:37,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:21:37,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1102762759, now seen corresponding path program 1 times [2022-07-14 03:21:37,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:21:37,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902731918] [2022-07-14 03:21:37,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:21:37,534 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:21:37,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:21:37,538 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 03:21:37,570 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 03:21:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:39,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-14 03:21:39,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:21:41,298 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-07-14 03:21:41,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:21:41,298 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:21:41,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902731918] [2022-07-14 03:21:41,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902731918] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:21:41,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:21:41,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-14 03:21:41,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874387196] [2022-07-14 03:21:41,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:21:41,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 03:21:41,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:21:41,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 03:21:41,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-14 03:21:41,301 INFO L87 Difference]: Start difference. First operand 3533 states and 4922 transitions. Second operand has 12 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-14 03:21:43,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:21:43,959 INFO L93 Difference]: Finished difference Result 7055 states and 9828 transitions. [2022-07-14 03:21:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 03:21:43,960 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) Word has length 172 [2022-07-14 03:21:43,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:21:43,989 INFO L225 Difference]: With dead ends: 7055 [2022-07-14 03:21:43,989 INFO L226 Difference]: Without dead ends: 3537 [2022-07-14 03:21:44,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-07-14 03:21:44,010 INFO L413 NwaCegarLoop]: 2639 mSDtfsCounter, 70 mSDsluCounter, 20935 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 23574 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-14 03:21:44,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 23574 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-14 03:21:44,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3537 states. [2022-07-14 03:21:44,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3537 to 3533. [2022-07-14 03:21:44,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3533 states, 2298 states have (on average 1.238468233246301) internal successors, (2846), 2393 states have internal predecessors, (2846), 1033 states have call successors, (1033), 201 states have call predecessors, (1033), 201 states have return successors, (1042), 999 states have call predecessors, (1042), 1033 states have call successors, (1042) [2022-07-14 03:21:44,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3533 states and 4921 transitions. [2022-07-14 03:21:44,114 INFO L78 Accepts]: Start accepts. Automaton has 3533 states and 4921 transitions. Word has length 172 [2022-07-14 03:21:44,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:21:44,116 INFO L495 AbstractCegarLoop]: Abstraction has 3533 states and 4921 transitions. [2022-07-14 03:21:44,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-14 03:21:44,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3533 states and 4921 transitions. [2022-07-14 03:21:44,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-07-14 03:21:44,121 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:21:44,121 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-14 03:21:44,163 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 03:21:44,335 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 03:21:44,335 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:21:44,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:21:44,336 INFO L85 PathProgramCache]: Analyzing trace with hash -102246426, now seen corresponding path program 1 times [2022-07-14 03:21:44,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:21:44,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108970844] [2022-07-14 03:21:44,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:21:44,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:21:44,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:21:44,340 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 03:21:44,383 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 03:21:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:46,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-14 03:21:46,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:21:47,391 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-14 03:21:47,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:21:47,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:21:47,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108970844] [2022-07-14 03:21:47,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2108970844] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:21:47,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:21:47,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-14 03:21:47,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520019603] [2022-07-14 03:21:47,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:21:47,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-14 03:21:47,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:21:47,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 03:21:47,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-14 03:21:47,393 INFO L87 Difference]: Start difference. First operand 3533 states and 4921 transitions. Second operand has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (20), 6 states have call predecessors, (20), 5 states have call successors, (20) [2022-07-14 03:21:51,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:21:51,106 INFO L93 Difference]: Finished difference Result 7121 states and 9917 transitions. [2022-07-14 03:21:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-14 03:21:51,107 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (20), 6 states have call predecessors, (20), 5 states have call successors, (20) Word has length 178 [2022-07-14 03:21:51,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:21:51,129 INFO L225 Difference]: With dead ends: 7121 [2022-07-14 03:21:51,129 INFO L226 Difference]: Without dead ends: 3605 [2022-07-14 03:21:51,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2022-07-14 03:21:51,151 INFO L413 NwaCegarLoop]: 2651 mSDtfsCounter, 47 mSDsluCounter, 31661 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 34312 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:21:51,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 34312 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 03:21:51,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3605 states. [2022-07-14 03:21:51,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3605 to 3555. [2022-07-14 03:21:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3555 states, 2314 states have (on average 1.236819360414866) internal successors, (2862), 2409 states have internal predecessors, (2862), 1037 states have call successors, (1037), 201 states have call predecessors, (1037), 203 states have return successors, (1048), 1005 states have call predecessors, (1048), 1037 states have call successors, (1048) [2022-07-14 03:21:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 4947 transitions. [2022-07-14 03:21:51,254 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 4947 transitions. Word has length 178 [2022-07-14 03:21:51,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:21:51,255 INFO L495 AbstractCegarLoop]: Abstraction has 3555 states and 4947 transitions. [2022-07-14 03:21:51,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (20), 6 states have call predecessors, (20), 5 states have call successors, (20) [2022-07-14 03:21:51,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 4947 transitions. [2022-07-14 03:21:51,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-14 03:21:51,258 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:21:51,259 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-14 03:21:51,302 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 03:21:51,470 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 03:21:51,470 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:21:51,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:21:51,471 INFO L85 PathProgramCache]: Analyzing trace with hash 2067474220, now seen corresponding path program 1 times [2022-07-14 03:21:51,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:21:51,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283861301] [2022-07-14 03:21:51,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:21:51,472 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:21:51,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:21:51,477 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 03:21:51,478 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 03:21:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:53,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 2151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:21:53,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:21:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-14 03:21:53,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:21:53,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:21:53,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283861301] [2022-07-14 03:21:53,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283861301] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:21:53,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:21:53,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:21:53,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881111259] [2022-07-14 03:21:53,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:21:53,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:21:53,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:21:53,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:21:53,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:21:53,704 INFO L87 Difference]: Start difference. First operand 3555 states and 4947 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 03:21:55,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:21:56,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:21:56,206 INFO L93 Difference]: Finished difference Result 7141 states and 9947 transitions. [2022-07-14 03:21:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:21:56,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 182 [2022-07-14 03:21:56,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:21:56,232 INFO L225 Difference]: With dead ends: 7141 [2022-07-14 03:21:56,232 INFO L226 Difference]: Without dead ends: 3605 [2022-07-14 03:21:56,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 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 03:21:56,254 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 33 mSDsluCounter, 2633 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 5305 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:21:56,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 5305 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-07-14 03:21:56,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3605 states. [2022-07-14 03:21:56,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3605 to 3597. [2022-07-14 03:21:56,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3597 states, 2344 states have (on average 1.235494880546075) internal successors, (2896), 2439 states have internal predecessors, (2896), 1049 states have call successors, (1049), 201 states have call predecessors, (1049), 203 states have return successors, (1060), 1017 states have call predecessors, (1060), 1049 states have call successors, (1060) [2022-07-14 03:21:56,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 3597 states and 5005 transitions. [2022-07-14 03:21:56,383 INFO L78 Accepts]: Start accepts. Automaton has 3597 states and 5005 transitions. Word has length 182 [2022-07-14 03:21:56,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:21:56,385 INFO L495 AbstractCegarLoop]: Abstraction has 3597 states and 5005 transitions. [2022-07-14 03:21:56,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 03:21:56,386 INFO L276 IsEmpty]: Start isEmpty. Operand 3597 states and 5005 transitions. [2022-07-14 03:21:56,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-14 03:21:56,389 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:21:56,389 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-14 03:21:56,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-14 03:21:56,603 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 03:21:56,603 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:21:56,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:21:56,604 INFO L85 PathProgramCache]: Analyzing trace with hash -274546547, now seen corresponding path program 1 times [2022-07-14 03:21:56,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:21:56,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601593617] [2022-07-14 03:21:56,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:21:56,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:21:56,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:21:56,609 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 03:21:56,667 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 03:21:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:58,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 2147 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-14 03:21:58,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:21:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-14 03:21:59,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:21:59,882 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:21:59,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601593617] [2022-07-14 03:21:59,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601593617] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:21:59,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:21:59,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-14 03:21:59,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350691822] [2022-07-14 03:21:59,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:21:59,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 03:21:59,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:21:59,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 03:21:59,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-14 03:21:59,883 INFO L87 Difference]: Start difference. First operand 3597 states and 5005 transitions. Second operand has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 13 states have internal predecessors, (86), 6 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-14 03:22:03,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:22:03,747 INFO L93 Difference]: Finished difference Result 7386 states and 10296 transitions. [2022-07-14 03:22:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-14 03:22:03,748 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 13 states have internal predecessors, (86), 6 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 184 [2022-07-14 03:22:03,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:22:03,815 INFO L225 Difference]: With dead ends: 7386 [2022-07-14 03:22:03,815 INFO L226 Difference]: Without dead ends: 3806 [2022-07-14 03:22:03,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2022-07-14 03:22:03,829 INFO L413 NwaCegarLoop]: 2734 mSDtfsCounter, 180 mSDsluCounter, 35292 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 38026 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:22:03,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 38026 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-14 03:22:03,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3806 states. [2022-07-14 03:22:04,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3806 to 3601. [2022-07-14 03:22:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3601 states, 2346 states have (on average 1.2352941176470589) internal successors, (2898), 2443 states have internal predecessors, (2898), 1049 states have call successors, (1049), 201 states have call predecessors, (1049), 205 states have return successors, (1064), 1017 states have call predecessors, (1064), 1049 states have call successors, (1064) [2022-07-14 03:22:04,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 3601 states and 5011 transitions. [2022-07-14 03:22:04,044 INFO L78 Accepts]: Start accepts. Automaton has 3601 states and 5011 transitions. Word has length 184 [2022-07-14 03:22:04,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:22:04,068 INFO L495 AbstractCegarLoop]: Abstraction has 3601 states and 5011 transitions. [2022-07-14 03:22:04,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 13 states have internal predecessors, (86), 6 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-14 03:22:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3601 states and 5011 transitions. [2022-07-14 03:22:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-14 03:22:04,098 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:22:04,098 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:04,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-14 03:22:04,315 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 03:22:04,316 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:22:04,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:22:04,316 INFO L85 PathProgramCache]: Analyzing trace with hash 699960433, now seen corresponding path program 1 times [2022-07-14 03:22:04,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:22:04,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699847415] [2022-07-14 03:22:04,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:22:04,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:22:04,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:22:04,326 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 03:22:04,347 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 03:22:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:07,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 2880 conjuncts, 35 conjunts are in the unsatisfiable core [2022-07-14 03:22:07,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:22:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 101 proven. 15 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-14 03:22:09,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:22:12,969 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-07-14 03:22:12,969 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:22:12,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699847415] [2022-07-14 03:22:12,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699847415] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 03:22:12,969 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 03:22:12,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 25 [2022-07-14 03:22:12,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076925204] [2022-07-14 03:22:12,970 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 03:22:12,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-14 03:22:12,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:22:12,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-14 03:22:12,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-07-14 03:22:12,971 INFO L87 Difference]: Start difference. First operand 3601 states and 5011 transitions. Second operand has 25 states, 20 states have (on average 8.55) internal successors, (171), 18 states have internal predecessors, (171), 10 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (55), 11 states have call predecessors, (55), 8 states have call successors, (55) [2022-07-14 03:22:17,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:19,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:20,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:22,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:23,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:25,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:27,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:29,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:31,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:33,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:36,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:22:36,077 INFO L93 Difference]: Finished difference Result 7154 states and 9958 transitions. [2022-07-14 03:22:36,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 03:22:36,077 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 8.55) internal successors, (171), 18 states have internal predecessors, (171), 10 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (55), 11 states have call predecessors, (55), 8 states have call successors, (55) Word has length 246 [2022-07-14 03:22:36,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:22:36,099 INFO L225 Difference]: With dead ends: 7154 [2022-07-14 03:22:36,099 INFO L226 Difference]: Without dead ends: 3572 [2022-07-14 03:22:36,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 466 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=108, Invalid=762, Unknown=0, NotChecked=0, Total=870 [2022-07-14 03:22:36,113 INFO L413 NwaCegarLoop]: 2612 mSDtfsCounter, 1395 mSDsluCounter, 30266 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 422 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 32878 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-07-14 03:22:36,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 32878 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 720 Invalid, 3 Unknown, 0 Unchecked, 22.0s Time] [2022-07-14 03:22:36,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3572 states. [2022-07-14 03:22:36,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3572 to 3554. [2022-07-14 03:22:36,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3554 states, 2313 states have (on average 1.2321660181582361) internal successors, (2850), 2407 states have internal predecessors, (2850), 1035 states have call successors, (1035), 201 states have call predecessors, (1035), 205 states have return successors, (1050), 1004 states have call predecessors, (1050), 1035 states have call successors, (1050) [2022-07-14 03:22:36,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3554 states to 3554 states and 4935 transitions. [2022-07-14 03:22:36,216 INFO L78 Accepts]: Start accepts. Automaton has 3554 states and 4935 transitions. Word has length 246 [2022-07-14 03:22:36,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:22:36,216 INFO L495 AbstractCegarLoop]: Abstraction has 3554 states and 4935 transitions. [2022-07-14 03:22:36,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 8.55) internal successors, (171), 18 states have internal predecessors, (171), 10 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (55), 11 states have call predecessors, (55), 8 states have call successors, (55) [2022-07-14 03:22:36,217 INFO L276 IsEmpty]: Start isEmpty. Operand 3554 states and 4935 transitions. [2022-07-14 03:22:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-14 03:22:36,219 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:22:36,220 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:36,281 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 03:22:36,435 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 03:22:36,436 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:22:36,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:22:36,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1040748288, now seen corresponding path program 1 times [2022-07-14 03:22:36,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:22:36,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1540661822] [2022-07-14 03:22:36,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:22:36,438 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:22:36,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:22:36,440 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 03:22:36,442 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 03:22:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:39,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 3309 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 03:22:39,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:22:39,851 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-07-14 03:22:39,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:22:39,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:22:39,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1540661822] [2022-07-14 03:22:39,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1540661822] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:22:39,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:22:39,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 03:22:39,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422729429] [2022-07-14 03:22:39,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:22:39,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:22:39,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:22:39,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:22:39,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:22:39,852 INFO L87 Difference]: Start difference. First operand 3554 states and 4935 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 03:22:42,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:42,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:22:42,336 INFO L93 Difference]: Finished difference Result 7109 states and 9879 transitions. [2022-07-14 03:22:42,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:22:42,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 278 [2022-07-14 03:22:42,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:22:42,365 INFO L225 Difference]: With dead ends: 7109 [2022-07-14 03:22:42,365 INFO L226 Difference]: Without dead ends: 3574 [2022-07-14 03:22:42,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:22:42,379 INFO L413 NwaCegarLoop]: 2662 mSDtfsCounter, 18 mSDsluCounter, 7955 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 10617 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:22:42,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 10617 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-07-14 03:22:42,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2022-07-14 03:22:42,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 3570. [2022-07-14 03:22:42,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3570 states, 2325 states have (on average 1.2309677419354839) internal successors, (2862), 2419 states have internal predecessors, (2862), 1039 states have call successors, (1039), 201 states have call predecessors, (1039), 205 states have return successors, (1054), 1008 states have call predecessors, (1054), 1039 states have call successors, (1054) [2022-07-14 03:22:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3570 states and 4955 transitions. [2022-07-14 03:22:42,521 INFO L78 Accepts]: Start accepts. Automaton has 3570 states and 4955 transitions. Word has length 278 [2022-07-14 03:22:42,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:22:42,521 INFO L495 AbstractCegarLoop]: Abstraction has 3570 states and 4955 transitions. [2022-07-14 03:22:42,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 03:22:42,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3570 states and 4955 transitions. [2022-07-14 03:22:42,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-07-14 03:22:42,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:22:42,525 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:42,593 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 03:22:42,731 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 03:22:42,732 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:22:42,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:22:42,732 INFO L85 PathProgramCache]: Analyzing trace with hash -590697941, now seen corresponding path program 1 times [2022-07-14 03:22:42,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:22:42,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547914345] [2022-07-14 03:22:42,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:22:42,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:22:42,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:22:42,735 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 03:22:42,737 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 03:22:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:46,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 3358 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:22:46,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:22:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-14 03:22:46,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:22:46,212 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:22:46,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547914345] [2022-07-14 03:22:46,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1547914345] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:22:46,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:22:46,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:22:46,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007821337] [2022-07-14 03:22:46,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:22:46,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:22:46,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:22:46,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:22:46,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:22:46,215 INFO L87 Difference]: Start difference. First operand 3570 states and 4955 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 03:22:46,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:22:46,422 INFO L93 Difference]: Finished difference Result 7564 states and 10549 transitions. [2022-07-14 03:22:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:22:46,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 299 [2022-07-14 03:22:46,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:22:46,467 INFO L225 Difference]: With dead ends: 7564 [2022-07-14 03:22:46,467 INFO L226 Difference]: Without dead ends: 4013 [2022-07-14 03:22:46,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 297 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 03:22:46,509 INFO L413 NwaCegarLoop]: 2854 mSDtfsCounter, 274 mSDsluCounter, 2693 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 5547 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:22:46,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 5547 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 03:22:46,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4013 states. [2022-07-14 03:22:46,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4013 to 3572. [2022-07-14 03:22:46,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3572 states, 2327 states have (on average 1.2307692307692308) internal successors, (2864), 2421 states have internal predecessors, (2864), 1039 states have call successors, (1039), 201 states have call predecessors, (1039), 205 states have return successors, (1054), 1008 states have call predecessors, (1054), 1039 states have call successors, (1054) [2022-07-14 03:22:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 4957 transitions. [2022-07-14 03:22:46,675 INFO L78 Accepts]: Start accepts. Automaton has 3572 states and 4957 transitions. Word has length 299 [2022-07-14 03:22:46,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:22:46,676 INFO L495 AbstractCegarLoop]: Abstraction has 3572 states and 4957 transitions. [2022-07-14 03:22:46,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 03:22:46,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 4957 transitions. [2022-07-14 03:22:46,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-14 03:22:46,681 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:22:46,681 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:46,751 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 03:22:46,907 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 03:22:46,908 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:22:46,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:22:46,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1163897241, now seen corresponding path program 1 times [2022-07-14 03:22:46,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:22:46,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063554884] [2022-07-14 03:22:46,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:22:46,910 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:22:46,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:22:46,912 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 03:22:46,913 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 03:22:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:51,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 3362 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 03:22:51,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:22:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-14 03:22:51,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:22:51,272 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:22:51,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063554884] [2022-07-14 03:22:51,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063554884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:22:51,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:22:51,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:22:51,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386358949] [2022-07-14 03:22:51,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:22:51,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:22:51,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:22:51,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:22:51,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:22:51,274 INFO L87 Difference]: Start difference. First operand 3572 states and 4957 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 03:22:51,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:22:51,621 INFO L93 Difference]: Finished difference Result 7156 states and 9938 transitions. [2022-07-14 03:22:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:22:51,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 302 [2022-07-14 03:22:51,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:22:51,647 INFO L225 Difference]: With dead ends: 7156 [2022-07-14 03:22:51,647 INFO L226 Difference]: Without dead ends: 3603 [2022-07-14 03:22:51,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:22:51,662 INFO L413 NwaCegarLoop]: 2676 mSDtfsCounter, 15 mSDsluCounter, 5311 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 7987 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:22:51,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 7987 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 03:22:51,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3603 states. [2022-07-14 03:22:51,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3603 to 3574. [2022-07-14 03:22:51,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3574 states, 2329 states have (on average 1.2305710605410047) internal successors, (2866), 2423 states have internal predecessors, (2866), 1039 states have call successors, (1039), 201 states have call predecessors, (1039), 205 states have return successors, (1054), 1008 states have call predecessors, (1054), 1039 states have call successors, (1054) [2022-07-14 03:22:51,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3574 states and 4959 transitions. [2022-07-14 03:22:51,777 INFO L78 Accepts]: Start accepts. Automaton has 3574 states and 4959 transitions. Word has length 302 [2022-07-14 03:22:51,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:22:51,779 INFO L495 AbstractCegarLoop]: Abstraction has 3574 states and 4959 transitions. [2022-07-14 03:22:51,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 03:22:51,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3574 states and 4959 transitions. [2022-07-14 03:22:51,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-07-14 03:22:51,783 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:22:51,783 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:51,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-14 03:22:52,003 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 03:22:52,004 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:22:52,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:22:52,004 INFO L85 PathProgramCache]: Analyzing trace with hash -205981442, now seen corresponding path program 1 times [2022-07-14 03:22:52,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:22:52,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143831301] [2022-07-14 03:22:52,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:22:52,007 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:22:52,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:22:52,010 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 03:22:52,011 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 03:22:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:57,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 3484 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:22:57,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:22:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-14 03:22:57,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:22:57,274 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:22:57,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143831301] [2022-07-14 03:22:57,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143831301] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:22:57,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:22:57,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:22:57,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005111435] [2022-07-14 03:22:57,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:22:57,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:22:57,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:22:57,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:22:57,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:22:57,275 INFO L87 Difference]: Start difference. First operand 3574 states and 4959 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 03:22:57,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:22:57,555 INFO L93 Difference]: Finished difference Result 7152 states and 9933 transitions. [2022-07-14 03:22:57,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 03:22:57,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 312 [2022-07-14 03:22:57,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:22:57,623 INFO L225 Difference]: With dead ends: 7152 [2022-07-14 03:22:57,624 INFO L226 Difference]: Without dead ends: 3597 [2022-07-14 03:22:57,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:22:57,661 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 231 mSDsluCounter, 5018 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 7688 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:22:57,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 7688 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 03:22:57,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3597 states. [2022-07-14 03:22:57,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3597 to 3583. [2022-07-14 03:22:57,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3583 states, 2334 states have (on average 1.2300771208226222) internal successors, (2871), 2428 states have internal predecessors, (2871), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 205 states have return successors, (1058), 1012 states have call predecessors, (1058), 1043 states have call successors, (1058) [2022-07-14 03:22:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3583 states and 4972 transitions. [2022-07-14 03:22:57,808 INFO L78 Accepts]: Start accepts. Automaton has 3583 states and 4972 transitions. Word has length 312 [2022-07-14 03:22:57,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:22:57,809 INFO L495 AbstractCegarLoop]: Abstraction has 3583 states and 4972 transitions. [2022-07-14 03:22:57,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 03:22:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 4972 transitions. [2022-07-14 03:22:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-07-14 03:22:57,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:22:57,813 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:57,894 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 03:22:58,019 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 03:22:58,020 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:22:58,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:22:58,020 INFO L85 PathProgramCache]: Analyzing trace with hash -941485215, now seen corresponding path program 1 times [2022-07-14 03:22:58,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:22:58,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1683699565] [2022-07-14 03:22:58,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:22:58,023 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:22:58,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:22:58,025 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 03:22:58,027 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 03:23:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:02,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 3495 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 03:23:02,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:23:02,951 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 124 proven. 1 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-14 03:23:02,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:23:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2022-07-14 03:23:03,573 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:23:03,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1683699565] [2022-07-14 03:23:03,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1683699565] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 03:23:03,573 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 03:23:03,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-14 03:23:03,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493506294] [2022-07-14 03:23:03,574 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 03:23:03,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 03:23:03,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:23:03,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 03:23:03,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-14 03:23:03,576 INFO L87 Difference]: Start difference. First operand 3583 states and 4972 transitions. Second operand has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 4 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-14 03:23:04,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:23:04,962 INFO L93 Difference]: Finished difference Result 7150 states and 9933 transitions. [2022-07-14 03:23:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:23:04,963 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 4 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 313 [2022-07-14 03:23:04,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:23:04,990 INFO L225 Difference]: With dead ends: 7150 [2022-07-14 03:23:04,990 INFO L226 Difference]: Without dead ends: 3586 [2022-07-14 03:23:05,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-07-14 03:23:05,002 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 462 mSDsluCounter, 10356 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 13026 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:23:05,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 13026 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 03:23:05,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2022-07-14 03:23:05,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 3586. [2022-07-14 03:23:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3586 states, 2337 states have (on average 1.2297817715019255) internal successors, (2874), 2431 states have internal predecessors, (2874), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 205 states have return successors, (1058), 1012 states have call predecessors, (1058), 1043 states have call successors, (1058) [2022-07-14 03:23:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3586 states and 4975 transitions. [2022-07-14 03:23:05,106 INFO L78 Accepts]: Start accepts. Automaton has 3586 states and 4975 transitions. Word has length 313 [2022-07-14 03:23:05,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:23:05,106 INFO L495 AbstractCegarLoop]: Abstraction has 3586 states and 4975 transitions. [2022-07-14 03:23:05,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 4 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-14 03:23:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3586 states and 4975 transitions. [2022-07-14 03:23:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-14 03:23:05,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:23:05,109 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:23:05,181 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 03:23:05,331 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 03:23:05,332 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:23:05,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:23:05,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1113455038, now seen corresponding path program 2 times [2022-07-14 03:23:05,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:23:05,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121854849] [2022-07-14 03:23:05,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 03:23:05,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:23:05,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:23:05,336 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 03:23:05,337 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 03:23:07,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 03:23:07,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 03:23:07,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 1732 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 03:23:07,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:23:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-07-14 03:23:07,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:23:07,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:23:07,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121854849] [2022-07-14 03:23:07,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1121854849] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:23:07,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:23:07,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 03:23:07,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174826542] [2022-07-14 03:23:07,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:23:07,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 03:23:07,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:23:07,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 03:23:07,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-14 03:23:07,595 INFO L87 Difference]: Start difference. First operand 3586 states and 4975 transitions. Second operand has 8 states, 8 states have (on average 19.25) internal successors, (154), 7 states have internal predecessors, (154), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 03:23:09,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:23:09,248 INFO L93 Difference]: Finished difference Result 7167 states and 9956 transitions. [2022-07-14 03:23:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:23:09,249 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 7 states have internal predecessors, (154), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 316 [2022-07-14 03:23:09,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:23:09,337 INFO L225 Difference]: With dead ends: 7167 [2022-07-14 03:23:09,337 INFO L226 Difference]: Without dead ends: 3600 [2022-07-14 03:23:09,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-07-14 03:23:09,357 INFO L413 NwaCegarLoop]: 2631 mSDtfsCounter, 17 mSDsluCounter, 15735 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 18366 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:23:09,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 18366 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-14 03:23:09,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3600 states. [2022-07-14 03:23:09,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3600 to 3594. [2022-07-14 03:23:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3594 states, 2344 states have (on average 1.2290955631399318) internal successors, (2881), 2439 states have internal predecessors, (2881), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 206 states have return successors, (1059), 1012 states have call predecessors, (1059), 1043 states have call successors, (1059) [2022-07-14 03:23:09,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3594 states to 3594 states and 4983 transitions. [2022-07-14 03:23:09,488 INFO L78 Accepts]: Start accepts. Automaton has 3594 states and 4983 transitions. Word has length 316 [2022-07-14 03:23:09,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:23:09,490 INFO L495 AbstractCegarLoop]: Abstraction has 3594 states and 4983 transitions. [2022-07-14 03:23:09,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 7 states have internal predecessors, (154), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 03:23:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3594 states and 4983 transitions. [2022-07-14 03:23:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-14 03:23:09,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:23:09,494 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:23:09,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-14 03:23:09,719 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 03:23:09,720 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:23:09,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:23:09,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1556348788, now seen corresponding path program 1 times [2022-07-14 03:23:09,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:23:09,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490008090] [2022-07-14 03:23:09,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:23:09,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:23:09,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:23:09,736 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 03:23:09,738 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 03:23:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:14,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 3476 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 03:23:14,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:23:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-07-14 03:23:15,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:23:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2022-07-14 03:23:16,754 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:23:16,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490008090] [2022-07-14 03:23:16,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490008090] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 03:23:16,754 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 03:23:16,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-07-14 03:23:16,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540818843] [2022-07-14 03:23:16,754 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 03:23:16,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-14 03:23:16,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:23:16,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 03:23:16,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-07-14 03:23:16,755 INFO L87 Difference]: Start difference. First operand 3594 states and 4983 transitions. Second operand has 14 states, 14 states have (on average 14.5) internal successors, (203), 14 states have internal predecessors, (203), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-14 03:23:19,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:23:19,320 INFO L93 Difference]: Finished difference Result 7175 states and 9961 transitions. [2022-07-14 03:23:19,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 03:23:19,321 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 14.5) internal successors, (203), 14 states have internal predecessors, (203), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 338 [2022-07-14 03:23:19,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:23:19,371 INFO L225 Difference]: With dead ends: 7175 [2022-07-14 03:23:19,371 INFO L226 Difference]: Without dead ends: 3600 [2022-07-14 03:23:19,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 684 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-07-14 03:23:19,411 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 462 mSDsluCounter, 18363 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 21033 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:23:19,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 21033 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 03:23:19,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3600 states. [2022-07-14 03:23:19,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3600 to 3600. [2022-07-14 03:23:19,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3600 states, 2350 states have (on average 1.2285106382978723) internal successors, (2887), 2445 states have internal predecessors, (2887), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 206 states have return successors, (1059), 1012 states have call predecessors, (1059), 1043 states have call successors, (1059) [2022-07-14 03:23:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3600 states and 4989 transitions. [2022-07-14 03:23:19,696 INFO L78 Accepts]: Start accepts. Automaton has 3600 states and 4989 transitions. Word has length 338 [2022-07-14 03:23:19,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:23:19,697 INFO L495 AbstractCegarLoop]: Abstraction has 3600 states and 4989 transitions. [2022-07-14 03:23:19,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.5) internal successors, (203), 14 states have internal predecessors, (203), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-14 03:23:19,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 4989 transitions. [2022-07-14 03:23:19,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-07-14 03:23:19,701 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:23:19,701 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:23:19,901 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 03:23:19,916 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 03:23:19,917 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:23:19,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:23:19,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1336738070, now seen corresponding path program 1 times [2022-07-14 03:23:19,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:23:19,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893176875] [2022-07-14 03:23:19,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:23:19,920 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:23:19,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:23:19,971 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 03:23:20,018 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 03:23:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:25,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 3530 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-14 03:23:25,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:23:26,492 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 180 proven. 55 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-07-14 03:23:26,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:23:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2022-07-14 03:23:29,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:23:29,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893176875] [2022-07-14 03:23:29,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893176875] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 03:23:29,975 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 03:23:29,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2022-07-14 03:23:29,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777972081] [2022-07-14 03:23:29,975 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 03:23:29,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-14 03:23:29,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:23:29,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-14 03:23:29,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2022-07-14 03:23:29,978 INFO L87 Difference]: Start difference. First operand 3600 states and 4989 transitions. Second operand has 26 states, 26 states have (on average 8.192307692307692) internal successors, (213), 26 states have internal predecessors, (213), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-14 03:23:39,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:23:39,233 INFO L93 Difference]: Finished difference Result 7193 states and 9985 transitions. [2022-07-14 03:23:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-14 03:23:39,235 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.192307692307692) internal successors, (213), 26 states have internal predecessors, (213), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 342 [2022-07-14 03:23:39,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:23:39,262 INFO L225 Difference]: With dead ends: 7193 [2022-07-14 03:23:39,262 INFO L226 Difference]: Without dead ends: 3612 [2022-07-14 03:23:39,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 658 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=633, Invalid=1623, Unknown=0, NotChecked=0, Total=2256 [2022-07-14 03:23:39,284 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 231 mSDsluCounter, 34057 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 36727 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:23:39,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 36727 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-14 03:23:39,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3612 states. [2022-07-14 03:23:39,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3612 to 3612. [2022-07-14 03:23:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3612 states, 2362 states have (on average 1.2273497036409822) internal successors, (2899), 2457 states have internal predecessors, (2899), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 206 states have return successors, (1059), 1012 states have call predecessors, (1059), 1043 states have call successors, (1059) [2022-07-14 03:23:39,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3612 states to 3612 states and 5001 transitions. [2022-07-14 03:23:39,422 INFO L78 Accepts]: Start accepts. Automaton has 3612 states and 5001 transitions. Word has length 342 [2022-07-14 03:23:39,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:23:39,423 INFO L495 AbstractCegarLoop]: Abstraction has 3612 states and 5001 transitions. [2022-07-14 03:23:39,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.192307692307692) internal successors, (213), 26 states have internal predecessors, (213), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-14 03:23:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3612 states and 5001 transitions. [2022-07-14 03:23:39,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-14 03:23:39,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:23:39,428 INFO L195 NwaCegarLoop]: trace histogram [22, 14, 14, 14, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:23:39,529 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 03:23:39,655 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 03:23:39,656 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:23:39,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:23:39,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1302236886, now seen corresponding path program 2 times [2022-07-14 03:23:39,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:23:39,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [453025830] [2022-07-14 03:23:39,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 03:23:39,659 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:23:39,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:23:39,660 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 03:23:39,663 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 03:23:41,733 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 03:23:41,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 03:23:41,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:23:41,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:23:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2022-07-14 03:23:41,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:23:41,921 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:23:41,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [453025830] [2022-07-14 03:23:41,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [453025830] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:23:41,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:23:41,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:23:41,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503536016] [2022-07-14 03:23:41,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:23:41,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:23:41,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:23:41,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:23:41,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:23:41,923 INFO L87 Difference]: Start difference. First operand 3612 states and 5001 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-14 03:23:43,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:23:45,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:23:49,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:23:49,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:23:49,363 INFO L93 Difference]: Finished difference Result 7235 states and 10056 transitions. [2022-07-14 03:23:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:23:49,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 354 [2022-07-14 03:23:49,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:23:49,424 INFO L225 Difference]: With dead ends: 7235 [2022-07-14 03:23:49,425 INFO L226 Difference]: Without dead ends: 3642 [2022-07-14 03:23:49,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 352 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 03:23:49,438 INFO L413 NwaCegarLoop]: 2655 mSDtfsCounter, 9 mSDsluCounter, 2645 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5300 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:23:49,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5300 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-07-14 03:23:49,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3642 states. [2022-07-14 03:23:49,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3642 to 3626. [2022-07-14 03:23:49,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3626 states, 2374 states have (on average 1.2270429654591406) internal successors, (2913), 2469 states have internal predecessors, (2913), 1045 states have call successors, (1045), 201 states have call predecessors, (1045), 206 states have return successors, (1061), 1014 states have call predecessors, (1061), 1045 states have call successors, (1061) [2022-07-14 03:23:49,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 3626 states and 5019 transitions. [2022-07-14 03:23:49,547 INFO L78 Accepts]: Start accepts. Automaton has 3626 states and 5019 transitions. Word has length 354 [2022-07-14 03:23:49,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:23:49,548 INFO L495 AbstractCegarLoop]: Abstraction has 3626 states and 5019 transitions. [2022-07-14 03:23:49,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-14 03:23:49,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3626 states and 5019 transitions. [2022-07-14 03:23:49,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-14 03:23:49,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:23:49,552 INFO L195 NwaCegarLoop]: trace histogram [22, 14, 14, 14, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:23:49,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-07-14 03:23:49,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:23:49,768 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:23:49,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:23:49,768 INFO L85 PathProgramCache]: Analyzing trace with hash -960474706, now seen corresponding path program 1 times [2022-07-14 03:23:49,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:23:49,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852485439] [2022-07-14 03:23:49,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:23:49,770 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:23:49,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:23:49,781 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:23:49,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-14 03:23:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:55,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 3758 conjuncts, 26 conjunts are in the unsatisfiable core [2022-07-14 03:23:55,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:24:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 180 proven. 253 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2022-07-14 03:24:00,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:24:12,131 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-07-14 03:24:12,131 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:24:12,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852485439] [2022-07-14 03:24:12,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852485439] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 03:24:12,131 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 03:24:12,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2022-07-14 03:24:12,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197000784] [2022-07-14 03:24:12,132 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 03:24:12,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-07-14 03:24:12,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:24:12,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-07-14 03:24:12,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=627, Invalid=1823, Unknown=0, NotChecked=0, Total=2450 [2022-07-14 03:24:12,134 INFO L87 Difference]: Start difference. First operand 3626 states and 5019 transitions. Second operand has 50 states, 50 states have (on average 4.78) internal successors, (239), 50 states have internal predecessors, (239), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-14 03:25:07,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:25:07,077 INFO L93 Difference]: Finished difference Result 7257 states and 10069 transitions. [2022-07-14 03:25:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-07-14 03:25:07,078 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 4.78) internal successors, (239), 50 states have internal predecessors, (239), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 356 [2022-07-14 03:25:07,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:25:07,098 INFO L225 Difference]: With dead ends: 7257 [2022-07-14 03:25:07,098 INFO L226 Difference]: Without dead ends: 3650 [2022-07-14 03:25:07,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1058 ImplicationChecksByTransitivity, 64.1s TimeCoverageRelationStatistics Valid=2421, Invalid=6699, Unknown=0, NotChecked=0, Total=9120 [2022-07-14 03:25:07,116 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 462 mSDsluCounter, 74412 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 77082 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:25:07,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 77082 Invalid, 848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [216 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-14 03:25:07,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3650 states. [2022-07-14 03:25:07,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3650 to 3650. [2022-07-14 03:25:07,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3650 states, 2398 states have (on average 1.224770642201835) internal successors, (2937), 2493 states have internal predecessors, (2937), 1045 states have call successors, (1045), 201 states have call predecessors, (1045), 206 states have return successors, (1061), 1014 states have call predecessors, (1061), 1045 states have call successors, (1061) [2022-07-14 03:25:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3650 states to 3650 states and 5043 transitions. [2022-07-14 03:25:07,239 INFO L78 Accepts]: Start accepts. Automaton has 3650 states and 5043 transitions. Word has length 356 [2022-07-14 03:25:07,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:25:07,240 INFO L495 AbstractCegarLoop]: Abstraction has 3650 states and 5043 transitions. [2022-07-14 03:25:07,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.78) internal successors, (239), 50 states have internal predecessors, (239), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-14 03:25:07,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 5043 transitions. [2022-07-14 03:25:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-14 03:25:07,243 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:25:07,243 INFO L195 NwaCegarLoop]: trace histogram [46, 14, 14, 14, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:07,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-07-14 03:25:07,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:25:07,475 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:25:07,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:25:07,476 INFO L85 PathProgramCache]: Analyzing trace with hash -447441808, now seen corresponding path program 1 times [2022-07-14 03:25:07,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:25:07,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556557343] [2022-07-14 03:25:07,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:25:07,479 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:25:07,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:25:07,480 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:25:07,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-07-14 03:25:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:25:13,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 4034 conjuncts, 50 conjunts are in the unsatisfiable core [2022-07-14 03:25:13,217 INFO L286 TraceCheckSpWp]: Computing forward predicates...