./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.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 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:47:43,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:47:43,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:47:43,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:47:43,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:47:43,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:47:43,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:47:43,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:47:43,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:47:43,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:47:43,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:47:43,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:47:43,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:47:43,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:47:43,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:47:43,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:47:43,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:47:43,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:47:43,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:47:43,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:47:43,420 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:47:43,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:47:43,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:47:43,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:47:43,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:47:43,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:47:43,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:47:43,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:47:43,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:47:43,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:47:43,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:47:43,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:47:43,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:47:43,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:47:43,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:47:43,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:47:43,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:47:43,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:47:43,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:47:43,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:47:43,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:47:43,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:47:43,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:47:43,475 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:47:43,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:47:43,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:47:43,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:47:43,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:47:43,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:47:43,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:47:43,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:47:43,477 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:47:43,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:47:43,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:47:43,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:47:43,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:47:43,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:47:43,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:47:43,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:47:43,480 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:47:43,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:47:43,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:47:43,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:47:43,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:47:43,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:47:43,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:47:43,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:47:43,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:47:43,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:47:43,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:47:43,483 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:47:43,483 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:47:43,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:47:43,484 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e [2022-07-20 01:47:43,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:47:43,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:47:43,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:47:43,739 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:47:43,740 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:47:43,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-20 01:47:43,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d02e5b790/772e084b2f5e4e4f9fdef912d49b5253/FLAGbab10ad24 [2022-07-20 01:47:44,575 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:47:44,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-20 01:47:44,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d02e5b790/772e084b2f5e4e4f9fdef912d49b5253/FLAGbab10ad24 [2022-07-20 01:47:45,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d02e5b790/772e084b2f5e4e4f9fdef912d49b5253 [2022-07-20 01:47:45,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:47:45,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:47:45,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:47:45,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:47:45,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:47:45,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:47:45" (1/1) ... [2022-07-20 01:47:45,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c767b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:45, skipping insertion in model container [2022-07-20 01:47:45,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:47:45" (1/1) ... [2022-07-20 01:47:45,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:47:45,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:47:49,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466142,466155] [2022-07-20 01:47:49,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466287,466300] [2022-07-20 01:47:49,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:47:49,786 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:47:49,978 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: reg = reg & 4043309055U [10145] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-20 01:47:49,984 INFO L158 Benchmark]: Toolchain (without parser) took 4936.49ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 76.2MB in the beginning and 56.2MB in the end (delta: 20.0MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2022-07-20 01:47:49,985 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 01:47:49,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4934.60ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 76.2MB in the beginning and 56.2MB in the end (delta: 20.0MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2022-07-20 01:47:49,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4934.60ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 76.2MB in the beginning and 56.2MB in the end (delta: 20.0MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10145] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10145]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.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 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:47:51,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:47:51,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:47:51,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:47:51,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:47:51,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:47:51,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:47:51,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:47:51,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:47:51,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:47:51,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:47:51,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:47:51,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:47:51,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:47:51,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:47:51,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:47:51,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:47:51,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:47:51,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:47:51,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:47:51,797 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:47:51,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:47:51,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:47:51,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:47:51,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:47:51,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:47:51,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:47:51,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:47:51,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:47:51,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:47:51,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:47:51,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:47:51,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:47:51,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:47:51,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:47:51,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:47:51,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:47:51,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:47:51,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:47:51,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:47:51,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:47:51,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:47:51,818 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 01:47:51,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:47:51,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:47:51,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:47:51,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:47:51,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:47:51,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:47:51,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:47:51,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:47:51,862 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:47:51,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:47:51,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:47:51,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:47:51,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:47:51,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:47:51,864 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 01:47:51,864 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 01:47:51,864 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 01:47:51,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:47:51,865 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:47:51,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:47:51,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:47:51,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:47:51,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:47:51,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:47:51,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:47:51,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:47:51,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:47:51,867 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 01:47:51,867 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 01:47:51,867 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:47:51,867 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:47:51,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:47:51,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 01:47:51,868 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e [2022-07-20 01:47:52,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:47:52,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:47:52,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:47:52,190 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:47:52,190 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:47:52,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-20 01:47:52,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a62637f7/55624f45b1d34e269149e5383a74c1a8/FLAG0dab1e1d8 [2022-07-20 01:47:53,070 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:47:53,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-20 01:47:53,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a62637f7/55624f45b1d34e269149e5383a74c1a8/FLAG0dab1e1d8 [2022-07-20 01:47:53,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a62637f7/55624f45b1d34e269149e5383a74c1a8 [2022-07-20 01:47:53,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:47:53,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:47:53,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:47:53,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:47:53,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:47:53,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:47:53" (1/1) ... [2022-07-20 01:47:53,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6182c055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:53, skipping insertion in model container [2022-07-20 01:47:53,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:47:53" (1/1) ... [2022-07-20 01:47:53,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:47:53,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:47:57,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466142,466155] [2022-07-20 01:47:58,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466287,466300] [2022-07-20 01:47:58,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:47:58,077 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 01:47:58,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:47:58,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466142,466155] [2022-07-20 01:47:58,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466287,466300] [2022-07-20 01:47:58,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:47:58,627 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:47:59,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466142,466155] [2022-07-20 01:47:59,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i[466287,466300] [2022-07-20 01:47:59,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:47:59,310 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:47:59,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:59 WrapperNode [2022-07-20 01:47:59,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:47:59,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:47:59,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:47:59,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:47:59,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:59" (1/1) ... [2022-07-20 01:47:59,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:59" (1/1) ... [2022-07-20 01:47:59,661 INFO L137 Inliner]: procedures = 675, calls = 3046, calls flagged for inlining = 319, calls inlined = 257, statements flattened = 5916 [2022-07-20 01:47:59,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:47:59,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:47:59,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:47:59,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:47:59,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:59" (1/1) ... [2022-07-20 01:47:59,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:59" (1/1) ... [2022-07-20 01:47:59,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:59" (1/1) ... [2022-07-20 01:47:59,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:59" (1/1) ... [2022-07-20 01:47:59,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:59" (1/1) ... [2022-07-20 01:47:59,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:59" (1/1) ... [2022-07-20 01:47:59,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:59" (1/1) ... [2022-07-20 01:47:59,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:47:59,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:47:59,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:47:59,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:47:59,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:59" (1/1) ... [2022-07-20 01:47:59,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:47:59,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:48:00,001 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) [2022-07-20 01:48:00,014 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 [2022-07-20 01:48:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 01:48:00,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 01:48:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-20 01:48:00,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-20 01:48:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-20 01:48:00,040 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-20 01:48:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 01:48:00,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 01:48:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-07-20 01:48:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-07-20 01:48:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:48:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:48:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-07-20 01:48:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-07-20 01:48:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-20 01:48:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-20 01:48:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-07-20 01:48:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-07-20 01:48:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 01:48:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 01:48:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:48:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:48:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-07-20 01:48:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-07-20 01:48:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-07-20 01:48:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-07-20 01:48:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-20 01:48:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-20 01:48:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 01:48:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 01:48:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 01:48:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 01:48:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 01:48:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 01:48:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-07-20 01:48:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-07-20 01:48:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:48:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:48:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-07-20 01:48:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-07-20 01:48:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-20 01:48:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-20 01:48:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 01:48:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 01:48:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 01:48:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 01:48:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 01:48:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 01:48:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 01:48:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 01:48:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 01:48:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 01:48:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-20 01:48:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 01:48:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 01:48:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:48:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:48:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-20 01:48:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-20 01:48:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:48:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 01:48:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 01:48:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-07-20 01:48:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-07-20 01:48:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-20 01:48:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-20 01:48:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 01:48:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 01:48:00,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 01:48:00,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-20 01:48:00,050 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 01:48:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 01:48:00,050 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-07-20 01:48:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-07-20 01:48:00,050 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-20 01:48:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-20 01:48:00,051 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-20 01:48:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-20 01:48:00,051 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-07-20 01:48:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-07-20 01:48:00,051 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 01:48:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 01:48:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 01:48:00,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 01:48:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 01:48:00,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 01:48:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-07-20 01:48:00,052 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-07-20 01:48:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 01:48:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 01:48:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-07-20 01:48:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-07-20 01:48:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:48:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:48:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 01:48:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 01:48:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 01:48:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 01:48:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 01:48:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 01:48:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:48:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:48:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-20 01:48:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-20 01:48:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-20 01:48:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-20 01:48:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 01:48:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 01:48:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-07-20 01:48:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-07-20 01:48:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-07-20 01:48:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-07-20 01:48:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-07-20 01:48:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-07-20 01:48:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:48:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 01:48:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 01:48:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 01:48:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 01:48:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 01:48:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 01:48:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-20 01:48:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-20 01:48:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-07-20 01:48:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-07-20 01:48:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:48:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 01:48:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 01:48:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:48:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:48:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:48:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-20 01:48:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-20 01:48:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 01:48:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 01:48:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:48:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:48:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 01:48:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-20 01:48:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-20 01:48:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:48:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:48:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-20 01:48:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-20 01:48:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 01:48:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 01:48:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-07-20 01:48:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-07-20 01:48:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:48:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:48:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 01:48:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 01:48:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 01:48:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 01:48:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 01:48:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 01:48:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 01:48:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-07-20 01:48:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-07-20 01:48:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-20 01:48:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-20 01:48:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:48:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:48:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-20 01:48:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-20 01:48:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-20 01:48:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-20 01:48:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 01:48:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-07-20 01:48:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-07-20 01:48:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-07-20 01:48:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-07-20 01:48:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 01:48:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 01:48:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 01:48:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-07-20 01:48:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-07-20 01:48:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 01:48:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:48:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-07-20 01:48:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-07-20 01:48:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 01:48:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:48:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:48:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:48:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-07-20 01:48:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-07-20 01:48:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-07-20 01:48:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-07-20 01:48:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-07-20 01:48:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-07-20 01:48:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-20 01:48:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-20 01:48:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-07-20 01:48:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-07-20 01:48:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 01:48:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 01:48:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-20 01:48:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-20 01:48:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-07-20 01:48:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-07-20 01:48:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-07-20 01:48:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-07-20 01:48:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-07-20 01:48:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-07-20 01:48:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-07-20 01:48:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-07-20 01:48:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-20 01:48:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-20 01:48:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 01:48:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 01:48:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:48:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:48:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 01:48:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 01:48:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-20 01:48:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-20 01:48:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-20 01:48:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-20 01:48:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-07-20 01:48:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-07-20 01:48:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 01:48:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 01:48:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:48:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-20 01:48:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-20 01:48:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_112 [2022-07-20 01:48:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_112 [2022-07-20 01:48:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 01:48:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 01:48:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:48:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-07-20 01:48:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-07-20 01:48:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-07-20 01:48:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-07-20 01:48:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-07-20 01:48:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-07-20 01:48:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 01:48:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 01:48:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 01:48:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 01:48:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:48:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-07-20 01:48:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-07-20 01:48:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-20 01:48:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-20 01:48:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-20 01:48:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-20 01:48:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 01:48:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 01:48:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 01:48:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 01:48:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-07-20 01:48:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-07-20 01:48:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_103 [2022-07-20 01:48:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_103 [2022-07-20 01:48:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-07-20 01:48:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-07-20 01:48:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_105 [2022-07-20 01:48:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_105 [2022-07-20 01:48:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-20 01:48:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-20 01:48:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-07-20 01:48:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-07-20 01:48:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 01:48:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 01:48:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-07-20 01:48:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-07-20 01:48:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 01:48:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 01:48:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 01:48:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 01:48:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-07-20 01:48:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-07-20 01:48:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-07-20 01:48:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-07-20 01:48:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-20 01:48:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-20 01:48:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 01:48:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 01:48:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-07-20 01:48:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-07-20 01:48:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:48:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:48:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-20 01:48:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-20 01:48:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-07-20 01:48:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-07-20 01:48:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:48:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:48:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-07-20 01:48:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-07-20 01:48:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 01:48:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-07-20 01:48:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-07-20 01:48:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 01:48:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 01:48:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 01:48:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-07-20 01:48:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-07-20 01:48:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-07-20 01:48:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-07-20 01:48:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:48:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:48:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_113 [2022-07-20 01:48:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_113 [2022-07-20 01:48:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-07-20 01:48:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-07-20 01:48:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 01:48:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 01:48:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-07-20 01:48:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-07-20 01:48:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-07-20 01:48:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-07-20 01:48:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 01:48:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 01:48:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_104 [2022-07-20 01:48:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_104 [2022-07-20 01:48:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_106 [2022-07-20 01:48:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_106 [2022-07-20 01:48:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 01:48:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 01:48:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-07-20 01:48:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-07-20 01:48:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-20 01:48:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-20 01:48:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 01:48:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 01:48:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-07-20 01:48:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-07-20 01:48:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-07-20 01:48:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-07-20 01:48:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-07-20 01:48:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-07-20 01:48:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-07-20 01:48:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-07-20 01:48:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 01:48:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 01:48:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 01:48:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 01:48:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-07-20 01:48:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-07-20 01:48:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 01:48:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 01:48:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-20 01:48:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-20 01:48:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-20 01:48:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-20 01:48:01,056 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:48:01,060 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:48:07,869 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:48:48,006 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 01:48:48,765 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:48:48,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:48:48,793 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-20 01:48:48,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:48:48 BoogieIcfgContainer [2022-07-20 01:48:48,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:48:48,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:48:48,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:48:48,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:48:48,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:47:53" (1/3) ... [2022-07-20 01:48:48,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23679feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:48:48, skipping insertion in model container [2022-07-20 01:48:48,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:47:59" (2/3) ... [2022-07-20 01:48:48,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23679feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:48:48, skipping insertion in model container [2022-07-20 01:48:48,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:48:48" (3/3) ... [2022-07-20 01:48:48,807 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-20 01:48:48,820 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:48:48,821 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:48:48,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:48:48,937 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@90fdef2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@f4893c5 [2022-07-20 01:48:48,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:48:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 2701 states, 1805 states have (on average 1.2709141274238227) internal successors, (2294), 1854 states have internal predecessors, (2294), 742 states have call successors, (742), 158 states have call predecessors, (742), 157 states have return successors, (733), 717 states have call predecessors, (733), 733 states have call successors, (733) [2022-07-20 01:48:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-20 01:48:49,063 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:48:49,069 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:48:49,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:48:49,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:48:49,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1479212077, now seen corresponding path program 1 times [2022-07-20 01:48:49,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:48:49,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393454524] [2022-07-20 01:48:49,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:48:49,095 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:48:49,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:48:49,103 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) [2022-07-20 01:48:49,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 01:48:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:50,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:48:50,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:48:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-20 01:48:50,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:48:50,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:48:50,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393454524] [2022-07-20 01:48:50,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393454524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:48:50,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:48:50,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:48:50,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035940187] [2022-07-20 01:48:50,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:48:50,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:48:50,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:48:50,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:48:50,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:48:50,979 INFO L87 Difference]: Start difference. First operand has 2701 states, 1805 states have (on average 1.2709141274238227) internal successors, (2294), 1854 states have internal predecessors, (2294), 742 states have call successors, (742), 158 states have call predecessors, (742), 157 states have return successors, (733), 717 states have call predecessors, (733), 733 states have call successors, (733) Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 01:48:52,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:48:52,524 INFO L93 Difference]: Finished difference Result 7238 states and 10184 transitions. [2022-07-20 01:48:52,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:48:52,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 263 [2022-07-20 01:48:52,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:48:52,580 INFO L225 Difference]: With dead ends: 7238 [2022-07-20 01:48:52,581 INFO L226 Difference]: Without dead ends: 4489 [2022-07-20 01:48:52,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:48:52,610 INFO L413 NwaCegarLoop]: 4290 mSDtfsCounter, 2633 mSDsluCounter, 3611 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2633 SdHoareTripleChecker+Valid, 7901 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:48:52,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2633 Valid, 7901 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 01:48:52,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2022-07-20 01:48:52,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4487. [2022-07-20 01:48:52,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 2980 states have (on average 1.2570469798657717) internal successors, (3746), 3065 states have internal predecessors, (3746), 1222 states have call successors, (1222), 285 states have call predecessors, (1222), 284 states have return successors, (1223), 1188 states have call predecessors, (1223), 1222 states have call successors, (1223) [2022-07-20 01:48:52,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6191 transitions. [2022-07-20 01:48:52,899 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6191 transitions. Word has length 263 [2022-07-20 01:48:52,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:48:52,900 INFO L495 AbstractCegarLoop]: Abstraction has 4487 states and 6191 transitions. [2022-07-20 01:48:52,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 01:48:52,901 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6191 transitions. [2022-07-20 01:48:52,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1607 [2022-07-20 01:48:52,989 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:48:52,991 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 28, 28, 27, 27, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:48:53,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 01:48:53,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:48:53,216 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:48:53,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:48:53,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1624747529, now seen corresponding path program 1 times [2022-07-20 01:48:53,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:48:53,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844455908] [2022-07-20 01:48:53,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:48:53,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:48:53,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:48:53,227 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) [2022-07-20 01:48:53,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 01:48:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:57,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 6460 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:48:57,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:48:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 13172 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 12441 trivial. 0 not checked. [2022-07-20 01:48:58,065 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:48:58,066 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:48:58,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844455908] [2022-07-20 01:48:58,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844455908] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:48:58,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:48:58,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:48:58,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688014907] [2022-07-20 01:48:58,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:48:58,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:48:58,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:48:58,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:48:58,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:48:58,076 INFO L87 Difference]: Start difference. First operand 4487 states and 6191 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2022-07-20 01:48:59,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:48:59,150 INFO L93 Difference]: Finished difference Result 12675 states and 17461 transitions. [2022-07-20 01:48:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:48:59,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) Word has length 1606 [2022-07-20 01:48:59,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:48:59,223 INFO L225 Difference]: With dead ends: 12675 [2022-07-20 01:48:59,224 INFO L226 Difference]: Without dead ends: 8229 [2022-07-20 01:48:59,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1605 GetRequests, 1604 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:48:59,259 INFO L413 NwaCegarLoop]: 5043 mSDtfsCounter, 3068 mSDsluCounter, 3592 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 8635 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:48:59,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 8635 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 01:48:59,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-07-20 01:48:59,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8225. [2022-07-20 01:48:59,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8225 states, 5470 states have (on average 1.2537477148080438) internal successors, (6858), 5627 states have internal predecessors, (6858), 2217 states have call successors, (2217), 539 states have call predecessors, (2217), 537 states have return successors, (2219), 2153 states have call predecessors, (2219), 2217 states have call successors, (2219) [2022-07-20 01:48:59,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8225 states to 8225 states and 11294 transitions. [2022-07-20 01:48:59,636 INFO L78 Accepts]: Start accepts. Automaton has 8225 states and 11294 transitions. Word has length 1606 [2022-07-20 01:48:59,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:48:59,638 INFO L495 AbstractCegarLoop]: Abstraction has 8225 states and 11294 transitions. [2022-07-20 01:48:59,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2022-07-20 01:48:59,640 INFO L276 IsEmpty]: Start isEmpty. Operand 8225 states and 11294 transitions. [2022-07-20 01:48:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1671 [2022-07-20 01:48:59,824 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:48:59,825 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 30, 30, 28, 28, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:49:00,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 01:49:00,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:49:00,047 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:49:00,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:49:00,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1459216892, now seen corresponding path program 1 times [2022-07-20 01:49:00,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:49:00,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334798690] [2022-07-20 01:49:00,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:49:00,057 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:49:00,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:49:00,058 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) [2022-07-20 01:49:00,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 01:49:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:49:04,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 6602 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:49:04,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:49:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 13635 backedges. 1068 proven. 0 refuted. 0 times theorem prover too weak. 12567 trivial. 0 not checked. [2022-07-20 01:49:05,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:49:05,035 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:49:05,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334798690] [2022-07-20 01:49:05,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334798690] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:49:05,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:49:05,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:49:05,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334881375] [2022-07-20 01:49:05,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:49:05,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:49:05,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:49:05,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:49:05,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:49:05,041 INFO L87 Difference]: Start difference. First operand 8225 states and 11294 transitions. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 3 states have call successors, (161), 3 states have call predecessors, (161), 3 states have return successors, (160), 3 states have call predecessors, (160), 3 states have call successors, (160) [2022-07-20 01:49:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:49:06,205 INFO L93 Difference]: Finished difference Result 20147 states and 27661 transitions. [2022-07-20 01:49:06,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:49:06,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 3 states have call successors, (161), 3 states have call predecessors, (161), 3 states have return successors, (160), 3 states have call predecessors, (160), 3 states have call successors, (160) Word has length 1670 [2022-07-20 01:49:06,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:49:06,291 INFO L225 Difference]: With dead ends: 20147 [2022-07-20 01:49:06,292 INFO L226 Difference]: Without dead ends: 11963 [2022-07-20 01:49:06,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1669 GetRequests, 1668 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:49:06,343 INFO L413 NwaCegarLoop]: 6717 mSDtfsCounter, 3054 mSDsluCounter, 3581 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3054 SdHoareTripleChecker+Valid, 10298 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:49:06,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3054 Valid, 10298 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 01:49:06,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11963 states. [2022-07-20 01:49:06,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11963 to 11959. [2022-07-20 01:49:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11959 states, 7956 states have (on average 1.2526395173453997) internal successors, (9966), 8185 states have internal predecessors, (9966), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 790 states have return successors, (3215), 3118 states have call predecessors, (3215), 3212 states have call successors, (3215) [2022-07-20 01:49:06,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11959 states to 11959 states and 16393 transitions. [2022-07-20 01:49:06,955 INFO L78 Accepts]: Start accepts. Automaton has 11959 states and 16393 transitions. Word has length 1670 [2022-07-20 01:49:06,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:49:06,959 INFO L495 AbstractCegarLoop]: Abstraction has 11959 states and 16393 transitions. [2022-07-20 01:49:06,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 3 states have call successors, (161), 3 states have call predecessors, (161), 3 states have return successors, (160), 3 states have call predecessors, (160), 3 states have call successors, (160) [2022-07-20 01:49:06,960 INFO L276 IsEmpty]: Start isEmpty. Operand 11959 states and 16393 transitions. [2022-07-20 01:49:07,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1745 [2022-07-20 01:49:07,025 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:49:07,026 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 20, 20, 20, 20, 20, 20, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:49:07,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:49:07,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:49:07,240 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:49:07,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:49:07,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1161150069, now seen corresponding path program 1 times [2022-07-20 01:49:07,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:49:07,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [186907175] [2022-07-20 01:49:07,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:49:07,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:49:07,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:49:07,251 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) [2022-07-20 01:49:07,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 01:49:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:49:11,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 6742 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 01:49:11,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:49:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 14129 backedges. 1177 proven. 0 refuted. 0 times theorem prover too weak. 12952 trivial. 0 not checked. [2022-07-20 01:49:12,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:49:12,027 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:49:12,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [186907175] [2022-07-20 01:49:12,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [186907175] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:49:12,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:49:12,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:49:12,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281819481] [2022-07-20 01:49:12,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:49:12,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 01:49:12,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:49:12,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 01:49:12,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 01:49:12,031 INFO L87 Difference]: Start difference. First operand 11959 states and 16393 transitions. Second operand has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 2 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (165), 2 states have call predecessors, (165), 2 states have call successors, (165) [2022-07-20 01:49:13,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:49:13,617 INFO L93 Difference]: Finished difference Result 31205 states and 43593 transitions. [2022-07-20 01:49:13,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 01:49:13,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 2 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (165), 2 states have call predecessors, (165), 2 states have call successors, (165) Word has length 1744 [2022-07-20 01:49:13,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:49:13,737 INFO L225 Difference]: With dead ends: 31205 [2022-07-20 01:49:13,737 INFO L226 Difference]: Without dead ends: 19287 [2022-07-20 01:49:13,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1745 GetRequests, 1742 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:49:13,809 INFO L413 NwaCegarLoop]: 5226 mSDtfsCounter, 2711 mSDsluCounter, 8861 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2936 SdHoareTripleChecker+Valid, 14087 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:49:13,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2936 Valid, 14087 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [452 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-20 01:49:13,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19287 states. [2022-07-20 01:49:14,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19287 to 11963. [2022-07-20 01:49:14,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11963 states, 7960 states have (on average 1.2525125628140703) internal successors, (9970), 8189 states have internal predecessors, (9970), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 790 states have return successors, (3215), 3118 states have call predecessors, (3215), 3212 states have call successors, (3215) [2022-07-20 01:49:14,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11963 states to 11963 states and 16397 transitions. [2022-07-20 01:49:14,508 INFO L78 Accepts]: Start accepts. Automaton has 11963 states and 16397 transitions. Word has length 1744 [2022-07-20 01:49:14,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:49:14,511 INFO L495 AbstractCegarLoop]: Abstraction has 11963 states and 16397 transitions. [2022-07-20 01:49:14,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 2 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (165), 2 states have call predecessors, (165), 2 states have call successors, (165) [2022-07-20 01:49:14,512 INFO L276 IsEmpty]: Start isEmpty. Operand 11963 states and 16397 transitions. [2022-07-20 01:49:14,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1751 [2022-07-20 01:49:14,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:49:14,577 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 20, 20, 20, 20, 20, 20, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:49:14,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 01:49:14,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:49:14,804 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:49:14,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:49:14,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1141678797, now seen corresponding path program 1 times [2022-07-20 01:49:14,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:49:14,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788044698] [2022-07-20 01:49:14,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:49:14,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:49:14,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:49:14,812 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) [2022-07-20 01:49:14,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 01:49:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:49:19,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 6773 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 01:49:19,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:49:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 14129 backedges. 1177 proven. 0 refuted. 0 times theorem prover too weak. 12952 trivial. 0 not checked. [2022-07-20 01:49:20,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:49:20,075 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:49:20,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788044698] [2022-07-20 01:49:20,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1788044698] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:49:20,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:49:20,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:49:20,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107613526] [2022-07-20 01:49:20,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:49:20,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:49:20,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:49:20,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:49:20,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:49:20,079 INFO L87 Difference]: Start difference. First operand 11963 states and 16397 transitions. Second operand has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 3 states have return successors, (166), 3 states have call predecessors, (166), 2 states have call successors, (166) [2022-07-20 01:49:20,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:49:20,894 INFO L93 Difference]: Finished difference Result 27936 states and 38768 transitions. [2022-07-20 01:49:20,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:49:20,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 3 states have return successors, (166), 3 states have call predecessors, (166), 2 states have call successors, (166) Word has length 1750 [2022-07-20 01:49:20,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:49:20,988 INFO L225 Difference]: With dead ends: 27936 [2022-07-20 01:49:20,988 INFO L226 Difference]: Without dead ends: 16014 [2022-07-20 01:49:21,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1750 GetRequests, 1745 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:49:21,048 INFO L413 NwaCegarLoop]: 4906 mSDtfsCounter, 1072 mSDsluCounter, 18545 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 23451 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:49:21,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 23451 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 01:49:21,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16014 states. [2022-07-20 01:49:21,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16014 to 11973. [2022-07-20 01:49:21,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11973 states, 7968 states have (on average 1.2522590361445782) internal successors, (9978), 8197 states have internal predecessors, (9978), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 792 states have return successors, (3221), 3120 states have call predecessors, (3221), 3212 states have call successors, (3221) [2022-07-20 01:49:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11973 states to 11973 states and 16411 transitions. [2022-07-20 01:49:21,718 INFO L78 Accepts]: Start accepts. Automaton has 11973 states and 16411 transitions. Word has length 1750 [2022-07-20 01:49:21,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:49:21,719 INFO L495 AbstractCegarLoop]: Abstraction has 11973 states and 16411 transitions. [2022-07-20 01:49:21,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 3 states have return successors, (166), 3 states have call predecessors, (166), 2 states have call successors, (166) [2022-07-20 01:49:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 11973 states and 16411 transitions. [2022-07-20 01:49:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1751 [2022-07-20 01:49:21,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:49:21,763 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 20, 20, 20, 20, 20, 20, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:49:21,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 01:49:21,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:49:21,980 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:49:21,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:49:21,981 INFO L85 PathProgramCache]: Analyzing trace with hash -849561845, now seen corresponding path program 1 times [2022-07-20 01:49:21,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:49:21,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511652950] [2022-07-20 01:49:21,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:49:21,986 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:49:21,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:49:21,988 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) [2022-07-20 01:49:21,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 01:49:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:49:26,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 6803 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-20 01:49:26,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:49:27,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14129 backedges. 967 proven. 0 refuted. 0 times theorem prover too weak. 13162 trivial. 0 not checked. [2022-07-20 01:49:27,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:49:27,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:49:27,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [511652950] [2022-07-20 01:49:27,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [511652950] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:49:27,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:49:27,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:49:27,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503347029] [2022-07-20 01:49:27,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:49:27,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:49:27,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:49:27,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:49:27,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:49:27,298 INFO L87 Difference]: Start difference. First operand 11973 states and 16411 transitions. Second operand has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 2 states have return successors, (166), 2 states have call predecessors, (166), 2 states have call successors, (166) [2022-07-20 01:49:29,849 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 [] [2022-07-20 01:49:32,148 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 [] [2022-07-20 01:49:34,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:49:34,650 INFO L93 Difference]: Finished difference Result 31309 states and 43751 transitions. [2022-07-20 01:49:34,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:49:34,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 2 states have return successors, (166), 2 states have call predecessors, (166), 2 states have call successors, (166) Word has length 1750 [2022-07-20 01:49:34,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:49:34,759 INFO L225 Difference]: With dead ends: 31309 [2022-07-20 01:49:34,760 INFO L226 Difference]: Without dead ends: 19377 [2022-07-20 01:49:34,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1753 GetRequests, 1748 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:49:34,822 INFO L413 NwaCegarLoop]: 5277 mSDtfsCounter, 4587 mSDsluCounter, 12787 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1145 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4588 SdHoareTripleChecker+Valid, 18064 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1145 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:49:34,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4588 Valid, 18064 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1145 Valid, 28 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-07-20 01:49:34,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19377 states. [2022-07-20 01:49:35,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19377 to 11979. [2022-07-20 01:49:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11979 states, 7974 states have (on average 1.2520692249811889) internal successors, (9984), 8203 states have internal predecessors, (9984), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 792 states have return successors, (3221), 3120 states have call predecessors, (3221), 3212 states have call successors, (3221) [2022-07-20 01:49:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11979 states to 11979 states and 16417 transitions. [2022-07-20 01:49:35,556 INFO L78 Accepts]: Start accepts. Automaton has 11979 states and 16417 transitions. Word has length 1750 [2022-07-20 01:49:35,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:49:35,559 INFO L495 AbstractCegarLoop]: Abstraction has 11979 states and 16417 transitions. [2022-07-20 01:49:35,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 2 states have return successors, (166), 2 states have call predecessors, (166), 2 states have call successors, (166) [2022-07-20 01:49:35,560 INFO L276 IsEmpty]: Start isEmpty. Operand 11979 states and 16417 transitions. [2022-07-20 01:49:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1772 [2022-07-20 01:49:35,691 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:49:35,694 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 21, 21, 21, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:49:35,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-20 01:49:35,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:49:35,916 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:49:35,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:49:35,917 INFO L85 PathProgramCache]: Analyzing trace with hash 713989868, now seen corresponding path program 1 times [2022-07-20 01:49:35,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:49:35,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485833899] [2022-07-20 01:49:35,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:49:35,922 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:49:35,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:49:35,923 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) [2022-07-20 01:49:35,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 01:49:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:49:40,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 6852 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-20 01:49:40,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:49:42,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14310 backedges. 910 proven. 0 refuted. 0 times theorem prover too weak. 13400 trivial. 0 not checked. [2022-07-20 01:49:42,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:49:42,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:49:42,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [485833899] [2022-07-20 01:49:42,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [485833899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:49:42,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:49:42,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-20 01:49:42,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246209165] [2022-07-20 01:49:42,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:49:42,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 01:49:42,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:49:42,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 01:49:42,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-20 01:49:42,151 INFO L87 Difference]: Start difference. First operand 11979 states and 16417 transitions. Second operand has 12 states, 12 states have (on average 35.916666666666664) internal successors, (431), 10 states have internal predecessors, (431), 3 states have call successors, (170), 2 states have call predecessors, (170), 4 states have return successors, (169), 5 states have call predecessors, (169), 3 states have call successors, (169) [2022-07-20 01:49:47,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:49:47,186 INFO L93 Difference]: Finished difference Result 28857 states and 40110 transitions. [2022-07-20 01:49:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-20 01:49:47,187 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 35.916666666666664) internal successors, (431), 10 states have internal predecessors, (431), 3 states have call successors, (170), 2 states have call predecessors, (170), 4 states have return successors, (169), 5 states have call predecessors, (169), 3 states have call successors, (169) Word has length 1771 [2022-07-20 01:49:47,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:49:47,276 INFO L225 Difference]: With dead ends: 28857 [2022-07-20 01:49:47,277 INFO L226 Difference]: Without dead ends: 16919 [2022-07-20 01:49:47,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1782 GetRequests, 1763 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2022-07-20 01:49:47,331 INFO L413 NwaCegarLoop]: 5746 mSDtfsCounter, 4078 mSDsluCounter, 49891 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4080 SdHoareTripleChecker+Valid, 55637 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1543 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:49:47,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4080 Valid, 55637 Invalid, 1715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1543 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 01:49:47,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16919 states. [2022-07-20 01:49:48,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16919 to 11991. [2022-07-20 01:49:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11991 states, 7984 states have (on average 1.251753507014028) internal successors, (9994), 8213 states have internal predecessors, (9994), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 794 states have return successors, (3243), 3122 states have call predecessors, (3243), 3212 states have call successors, (3243) [2022-07-20 01:49:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11991 states to 11991 states and 16449 transitions. [2022-07-20 01:49:48,109 INFO L78 Accepts]: Start accepts. Automaton has 11991 states and 16449 transitions. Word has length 1771 [2022-07-20 01:49:48,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:49:48,111 INFO L495 AbstractCegarLoop]: Abstraction has 11991 states and 16449 transitions. [2022-07-20 01:49:48,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 35.916666666666664) internal successors, (431), 10 states have internal predecessors, (431), 3 states have call successors, (170), 2 states have call predecessors, (170), 4 states have return successors, (169), 5 states have call predecessors, (169), 3 states have call successors, (169) [2022-07-20 01:49:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 11991 states and 16449 transitions. [2022-07-20 01:49:48,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1788 [2022-07-20 01:49:48,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:49:48,160 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 23, 23, 23, 20, 20, 20, 20, 20, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:49:48,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 01:49:48,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:49:48,380 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:49:48,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:49:48,381 INFO L85 PathProgramCache]: Analyzing trace with hash 2073957198, now seen corresponding path program 1 times [2022-07-20 01:49:48,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:49:48,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127468881] [2022-07-20 01:49:48,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:49:48,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:49:48,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:49:48,386 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) [2022-07-20 01:49:48,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 01:49:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:49:53,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 6886 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:49:53,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:50:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 14494 backedges. 922 proven. 0 refuted. 0 times theorem prover too weak. 13572 trivial. 0 not checked. [2022-07-20 01:50:01,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:50:01,235 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:50:01,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127468881] [2022-07-20 01:50:01,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1127468881] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:50:01,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:50:01,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 01:50:01,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846379973] [2022-07-20 01:50:01,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:50:01,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:50:01,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:50:01,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:50:01,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:50:01,239 INFO L87 Difference]: Start difference. First operand 11991 states and 16449 transitions. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 2 states have internal predecessors, (428), 2 states have call successors, (170), 2 states have call predecessors, (170), 2 states have return successors, (169), 2 states have call predecessors, (169), 2 states have call successors, (169) [2022-07-20 01:50:01,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:50:01,709 INFO L93 Difference]: Finished difference Result 23933 states and 32807 transitions. [2022-07-20 01:50:01,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:50:01,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 2 states have internal predecessors, (428), 2 states have call successors, (170), 2 states have call predecessors, (170), 2 states have return successors, (169), 2 states have call predecessors, (169), 2 states have call successors, (169) Word has length 1787 [2022-07-20 01:50:01,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:50:01,772 INFO L225 Difference]: With dead ends: 23933 [2022-07-20 01:50:01,772 INFO L226 Difference]: Without dead ends: 11983 [2022-07-20 01:50:01,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1786 GetRequests, 1785 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:50:01,819 INFO L413 NwaCegarLoop]: 3637 mSDtfsCounter, 3386 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3386 SdHoareTripleChecker+Valid, 3637 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:50:01,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3386 Valid, 3637 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 01:50:01,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11983 states. [2022-07-20 01:50:02,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11983 to 11983. [2022-07-20 01:50:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11983 states, 7980 states have (on average 1.2513784461152881) internal successors, (9986), 8205 states have internal predecessors, (9986), 3208 states have call successors, (3208), 793 states have call predecessors, (3208), 794 states have return successors, (3239), 3120 states have call predecessors, (3239), 3208 states have call successors, (3239) [2022-07-20 01:50:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11983 states to 11983 states and 16433 transitions. [2022-07-20 01:50:02,394 INFO L78 Accepts]: Start accepts. Automaton has 11983 states and 16433 transitions. Word has length 1787 [2022-07-20 01:50:02,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:50:02,395 INFO L495 AbstractCegarLoop]: Abstraction has 11983 states and 16433 transitions. [2022-07-20 01:50:02,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 2 states have internal predecessors, (428), 2 states have call successors, (170), 2 states have call predecessors, (170), 2 states have return successors, (169), 2 states have call predecessors, (169), 2 states have call successors, (169) [2022-07-20 01:50:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 11983 states and 16433 transitions. [2022-07-20 01:50:02,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1820 [2022-07-20 01:50:02,443 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:50:02,444 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 45, 45, 32, 32, 29, 29, 23, 23, 23, 20, 20, 20, 20, 20, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:50:02,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-20 01:50:02,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:50:02,657 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:50:02,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:50:02,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1812189645, now seen corresponding path program 1 times [2022-07-20 01:50:02,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:50:02,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715672954] [2022-07-20 01:50:02,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:50:02,661 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:50:02,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:50:02,663 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) [2022-07-20 01:50:02,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 01:50:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:50:09,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 6978 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:50:09,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:50:09,275 INFO L134 CoverageAnalysis]: Checked inductivity of 15368 backedges. 3223 proven. 0 refuted. 0 times theorem prover too weak. 12145 trivial. 0 not checked. [2022-07-20 01:50:09,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:50:09,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:50:09,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715672954] [2022-07-20 01:50:09,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715672954] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:50:09,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:50:09,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:50:09,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091789461] [2022-07-20 01:50:09,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:50:09,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:50:09,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:50:09,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:50:09,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:50:09,280 INFO L87 Difference]: Start difference. First operand 11983 states and 16433 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2022-07-20 01:50:09,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:50:09,809 INFO L93 Difference]: Finished difference Result 23973 states and 33378 transitions. [2022-07-20 01:50:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:50:09,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) Word has length 1819 [2022-07-20 01:50:09,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:50:09,883 INFO L225 Difference]: With dead ends: 23973 [2022-07-20 01:50:09,883 INFO L226 Difference]: Without dead ends: 12031 [2022-07-20 01:50:09,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1818 GetRequests, 1817 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:50:09,943 INFO L413 NwaCegarLoop]: 3637 mSDtfsCounter, 5 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:50:09,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 7268 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:50:09,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12031 states. [2022-07-20 01:50:10,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12031 to 12019. [2022-07-20 01:50:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12019 states, 8004 states have (on average 1.2513743128435781) internal successors, (10016), 8229 states have internal predecessors, (10016), 3220 states have call successors, (3220), 793 states have call predecessors, (3220), 794 states have return successors, (3251), 3132 states have call predecessors, (3251), 3220 states have call successors, (3251) [2022-07-20 01:50:10,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12019 states to 12019 states and 16487 transitions. [2022-07-20 01:50:10,588 INFO L78 Accepts]: Start accepts. Automaton has 12019 states and 16487 transitions. Word has length 1819 [2022-07-20 01:50:10,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:50:10,589 INFO L495 AbstractCegarLoop]: Abstraction has 12019 states and 16487 transitions. [2022-07-20 01:50:10,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2022-07-20 01:50:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 12019 states and 16487 transitions. [2022-07-20 01:50:10,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1850 [2022-07-20 01:50:10,626 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:50:10,627 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 47, 47, 32, 32, 29, 29, 23, 23, 23, 20, 20, 20, 20, 20, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:50:10,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-20 01:50:10,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:50:10,828 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:50:10,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:50:10,829 INFO L85 PathProgramCache]: Analyzing trace with hash 559618179, now seen corresponding path program 1 times [2022-07-20 01:50:10,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:50:10,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469895272] [2022-07-20 01:50:10,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:50:10,833 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:50:10,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:50:10,835 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) [2022-07-20 01:50:10,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-20 01:50:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:50:17,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 7040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:50:17,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:50:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 15733 backedges. 3964 proven. 0 refuted. 0 times theorem prover too weak. 11769 trivial. 0 not checked. [2022-07-20 01:50:17,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:50:17,740 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:50:17,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1469895272] [2022-07-20 01:50:17,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1469895272] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:50:17,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:50:17,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:50:17,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275883186] [2022-07-20 01:50:17,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:50:17,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:50:17,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:50:17,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:50:17,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:50:17,746 INFO L87 Difference]: Start difference. First operand 12019 states and 16487 transitions. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 2 states have call successors, (186), 2 states have call predecessors, (186), 2 states have return successors, (185), 2 states have call predecessors, (185), 2 states have call successors, (185) [2022-07-20 01:50:18,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:50:18,401 INFO L93 Difference]: Finished difference Result 24087 states and 33518 transitions. [2022-07-20 01:50:18,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:50:18,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 2 states have call successors, (186), 2 states have call predecessors, (186), 2 states have return successors, (185), 2 states have call predecessors, (185), 2 states have call successors, (185) Word has length 1849 [2022-07-20 01:50:18,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:50:18,482 INFO L225 Difference]: With dead ends: 24087 [2022-07-20 01:50:18,483 INFO L226 Difference]: Without dead ends: 12109 [2022-07-20 01:50:18,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1848 GetRequests, 1847 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:50:18,562 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 9 mSDsluCounter, 3634 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7280 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:50:18,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7280 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:50:18,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12109 states. [2022-07-20 01:50:19,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12109 to 12055. [2022-07-20 01:50:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12055 states, 8028 states have (on average 1.2513702042850026) internal successors, (10046), 8253 states have internal predecessors, (10046), 3232 states have call successors, (3232), 793 states have call predecessors, (3232), 794 states have return successors, (3263), 3144 states have call predecessors, (3263), 3232 states have call successors, (3263) [2022-07-20 01:50:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12055 states to 12055 states and 16541 transitions. [2022-07-20 01:50:19,169 INFO L78 Accepts]: Start accepts. Automaton has 12055 states and 16541 transitions. Word has length 1849 [2022-07-20 01:50:19,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:50:19,171 INFO L495 AbstractCegarLoop]: Abstraction has 12055 states and 16541 transitions. [2022-07-20 01:50:19,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 2 states have call successors, (186), 2 states have call predecessors, (186), 2 states have return successors, (185), 2 states have call predecessors, (185), 2 states have call successors, (185) [2022-07-20 01:50:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 12055 states and 16541 transitions. [2022-07-20 01:50:19,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1866 [2022-07-20 01:50:19,223 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:50:19,224 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 48, 48, 32, 32, 29, 29, 23, 23, 23, 20, 20, 20, 20, 20, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:50:19,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-20 01:50:19,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:50:19,440 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:50:19,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:50:19,440 INFO L85 PathProgramCache]: Analyzing trace with hash -2075765830, now seen corresponding path program 1 times [2022-07-20 01:50:19,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:50:19,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763848030] [2022-07-20 01:50:19,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:50:19,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:50:19,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:50:19,446 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) [2022-07-20 01:50:19,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-20 01:50:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:50:32,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 7075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:50:32,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:50:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 15930 backedges. 2807 proven. 0 refuted. 0 times theorem prover too weak. 13123 trivial. 0 not checked. [2022-07-20 01:50:32,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:50:32,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:50:32,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1763848030] [2022-07-20 01:50:32,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1763848030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:50:32,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:50:32,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:50:32,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317087444] [2022-07-20 01:50:32,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:50:32,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:50:32,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:50:32,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:50:32,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:50:32,665 INFO L87 Difference]: Start difference. First operand 12055 states and 16541 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2022-07-20 01:50:34,805 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 [] [2022-07-20 01:50:35,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:50:35,120 INFO L93 Difference]: Finished difference Result 24135 states and 33283 transitions. [2022-07-20 01:50:35,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:50:35,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) Word has length 1865 [2022-07-20 01:50:35,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:50:35,169 INFO L225 Difference]: With dead ends: 24135 [2022-07-20 01:50:35,169 INFO L226 Difference]: Without dead ends: 12121 [2022-07-20 01:50:35,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1864 GetRequests, 1863 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:50:35,206 INFO L413 NwaCegarLoop]: 3639 mSDtfsCounter, 7 mSDsluCounter, 3632 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 7271 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:50:35,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 7271 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-07-20 01:50:35,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12121 states. [2022-07-20 01:50:35,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12121 to 12061. [2022-07-20 01:50:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12061 states, 8034 states have (on average 1.2511824744834454) internal successors, (10052), 8259 states have internal predecessors, (10052), 3232 states have call successors, (3232), 793 states have call predecessors, (3232), 794 states have return successors, (3263), 3144 states have call predecessors, (3263), 3232 states have call successors, (3263) [2022-07-20 01:50:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12061 states to 12061 states and 16547 transitions. [2022-07-20 01:50:35,837 INFO L78 Accepts]: Start accepts. Automaton has 12061 states and 16547 transitions. Word has length 1865 [2022-07-20 01:50:35,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:50:35,838 INFO L495 AbstractCegarLoop]: Abstraction has 12061 states and 16547 transitions. [2022-07-20 01:50:35,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2022-07-20 01:50:35,839 INFO L276 IsEmpty]: Start isEmpty. Operand 12061 states and 16547 transitions. [2022-07-20 01:50:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1917 [2022-07-20 01:50:35,875 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:50:35,876 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 50, 50, 32, 32, 31, 31, 23, 23, 23, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:50:36,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-20 01:50:36,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:50:36,077 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:50:36,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:50:36,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1857083787, now seen corresponding path program 1 times [2022-07-20 01:50:36,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:50:36,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993259252] [2022-07-20 01:50:36,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:50:36,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:50:36,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:50:36,083 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) [2022-07-20 01:50:36,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-20 01:50:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:50:48,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 7227 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:50:49,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:50:49,080 INFO L134 CoverageAnalysis]: Checked inductivity of 17483 backedges. 2938 proven. 0 refuted. 0 times theorem prover too weak. 14545 trivial. 0 not checked. [2022-07-20 01:50:49,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:50:49,080 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:50:49,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993259252] [2022-07-20 01:50:49,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993259252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:50:49,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:50:49,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:50:49,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725668277] [2022-07-20 01:50:49,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:50:49,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:50:49,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:50:49,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:50:49,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:50:49,084 INFO L87 Difference]: Start difference. First operand 12061 states and 16547 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (184), 2 states have call predecessors, (184), 2 states have return successors, (183), 2 states have call predecessors, (183), 2 states have call successors, (183) [2022-07-20 01:50:49,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:50:49,635 INFO L93 Difference]: Finished difference Result 24111 states and 33241 transitions. [2022-07-20 01:50:49,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:50:49,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (184), 2 states have call predecessors, (184), 2 states have return successors, (183), 2 states have call predecessors, (183), 2 states have call successors, (183) Word has length 1916 [2022-07-20 01:50:49,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:50:49,680 INFO L225 Difference]: With dead ends: 24111 [2022-07-20 01:50:49,680 INFO L226 Difference]: Without dead ends: 12091 [2022-07-20 01:50:49,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1915 GetRequests, 1914 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:50:49,721 INFO L413 NwaCegarLoop]: 3637 mSDtfsCounter, 2 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:50:49,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7268 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:50:49,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12091 states. [2022-07-20 01:50:50,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12091 to 12067. [2022-07-20 01:50:50,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12067 states, 8040 states have (on average 1.2509950248756219) internal successors, (10058), 8265 states have internal predecessors, (10058), 3232 states have call successors, (3232), 793 states have call predecessors, (3232), 794 states have return successors, (3263), 3144 states have call predecessors, (3263), 3232 states have call successors, (3263) [2022-07-20 01:50:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12067 states to 12067 states and 16553 transitions. [2022-07-20 01:50:50,235 INFO L78 Accepts]: Start accepts. Automaton has 12067 states and 16553 transitions. Word has length 1916 [2022-07-20 01:50:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:50:50,237 INFO L495 AbstractCegarLoop]: Abstraction has 12067 states and 16553 transitions. [2022-07-20 01:50:50,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (184), 2 states have call predecessors, (184), 2 states have return successors, (183), 2 states have call predecessors, (183), 2 states have call successors, (183) [2022-07-20 01:50:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 12067 states and 16553 transitions. [2022-07-20 01:50:50,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1966 [2022-07-20 01:50:50,274 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:50:50,275 INFO L195 NwaCegarLoop]: trace histogram [66, 66, 52, 52, 33, 33, 32, 32, 23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 20, 20, 20, 20, 20, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:50:50,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-20 01:50:50,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:50:50,475 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:50:50,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:50:50,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1425305797, now seen corresponding path program 1 times [2022-07-20 01:50:50,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:50:50,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001421075] [2022-07-20 01:50:50,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:50:50,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:50:50,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:50:50,481 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) [2022-07-20 01:50:50,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-20 01:51:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:51:03,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 7366 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 01:51:03,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:51:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 19148 backedges. 3068 proven. 1 refuted. 0 times theorem prover too weak. 16079 trivial. 0 not checked. [2022-07-20 01:51:04,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:51:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 19148 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 19132 trivial. 0 not checked. [2022-07-20 01:51:06,302 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:51:06,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001421075] [2022-07-20 01:51:06,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001421075] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:51:06,303 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:51:06,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-07-20 01:51:06,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483415278] [2022-07-20 01:51:06,304 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:51:06,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:51:06,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:51:06,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:51:06,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:51:06,308 INFO L87 Difference]: Start difference. First operand 12067 states and 16553 transitions. Second operand has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 4 states have call successors, (234), 2 states have call predecessors, (234), 2 states have return successors, (233), 4 states have call predecessors, (233), 4 states have call successors, (233) [2022-07-20 01:51:07,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:51:07,497 INFO L93 Difference]: Finished difference Result 24183 states and 33349 transitions. [2022-07-20 01:51:07,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:51:07,498 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 4 states have call successors, (234), 2 states have call predecessors, (234), 2 states have return successors, (233), 4 states have call predecessors, (233), 4 states have call successors, (233) Word has length 1965 [2022-07-20 01:51:07,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:51:07,570 INFO L225 Difference]: With dead ends: 24183 [2022-07-20 01:51:07,570 INFO L226 Difference]: Without dead ends: 12157 [2022-07-20 01:51:07,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3929 GetRequests, 3924 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:51:07,639 INFO L413 NwaCegarLoop]: 3643 mSDtfsCounter, 8 mSDsluCounter, 14520 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 18163 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 01:51:07,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 18163 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 01:51:07,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12157 states. [2022-07-20 01:51:08,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12157 to 12157. [2022-07-20 01:51:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12157 states, 8094 states have (on average 1.249320484309365) internal successors, (10112), 8319 states have internal predecessors, (10112), 3268 states have call successors, (3268), 793 states have call predecessors, (3268), 794 states have return successors, (3299), 3180 states have call predecessors, (3299), 3268 states have call successors, (3299) [2022-07-20 01:51:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12157 states to 12157 states and 16679 transitions. [2022-07-20 01:51:08,273 INFO L78 Accepts]: Start accepts. Automaton has 12157 states and 16679 transitions. Word has length 1965 [2022-07-20 01:51:08,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:51:08,275 INFO L495 AbstractCegarLoop]: Abstraction has 12157 states and 16679 transitions. [2022-07-20 01:51:08,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 4 states have call successors, (234), 2 states have call predecessors, (234), 2 states have return successors, (233), 4 states have call predecessors, (233), 4 states have call successors, (233) [2022-07-20 01:51:08,275 INFO L276 IsEmpty]: Start isEmpty. Operand 12157 states and 16679 transitions. [2022-07-20 01:51:08,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2113 [2022-07-20 01:51:08,323 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:51:08,324 INFO L195 NwaCegarLoop]: trace histogram [78, 78, 58, 58, 39, 39, 32, 32, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 23, 23, 23, 20, 20, 20, 20, 20, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:51:08,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-20 01:51:08,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:51:08,532 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:51:08,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:51:08,532 INFO L85 PathProgramCache]: Analyzing trace with hash -744427531, now seen corresponding path program 2 times [2022-07-20 01:51:08,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:51:08,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982863256] [2022-07-20 01:51:08,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:51:08,536 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:51:08,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:51:08,538 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) [2022-07-20 01:51:08,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-20 01:51:10,452 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:51:10,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:51:10,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:51:10,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:51:10,617 INFO L134 CoverageAnalysis]: Checked inductivity of 24845 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24845 trivial. 0 not checked. [2022-07-20 01:51:10,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:51:10,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:51:10,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982863256] [2022-07-20 01:51:10,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982863256] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:51:10,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:51:10,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:51:10,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696010983] [2022-07-20 01:51:10,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:51:10,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:51:10,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:51:10,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:51:10,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:51:10,621 INFO L87 Difference]: Start difference. First operand 12157 states and 16679 transitions. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 2 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (177), 2 states have call predecessors, (177), 2 states have call successors, (177) [2022-07-20 01:51:11,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:51:11,367 INFO L93 Difference]: Finished difference Result 28272 states and 39228 transitions. [2022-07-20 01:51:11,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:51:11,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 2 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (177), 2 states have call predecessors, (177), 2 states have call successors, (177) Word has length 2112 [2022-07-20 01:51:11,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:51:11,433 INFO L225 Difference]: With dead ends: 28272 [2022-07-20 01:51:11,433 INFO L226 Difference]: Without dead ends: 16156 [2022-07-20 01:51:11,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2111 GetRequests, 2110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:51:11,471 INFO L413 NwaCegarLoop]: 5120 mSDtfsCounter, 1054 mSDsluCounter, 3885 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 9005 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:51:11,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 9005 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:51:11,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16156 states. [2022-07-20 01:51:12,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16156 to 12160. [2022-07-20 01:51:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12160 states, 8097 states have (on average 1.249228109176238) internal successors, (10115), 8322 states have internal predecessors, (10115), 3268 states have call successors, (3268), 793 states have call predecessors, (3268), 794 states have return successors, (3299), 3180 states have call predecessors, (3299), 3268 states have call successors, (3299) [2022-07-20 01:51:12,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12160 states to 12160 states and 16682 transitions. [2022-07-20 01:51:12,056 INFO L78 Accepts]: Start accepts. Automaton has 12160 states and 16682 transitions. Word has length 2112 [2022-07-20 01:51:12,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:51:12,058 INFO L495 AbstractCegarLoop]: Abstraction has 12160 states and 16682 transitions. [2022-07-20 01:51:12,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 2 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (177), 2 states have call predecessors, (177), 2 states have call successors, (177) [2022-07-20 01:51:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 12160 states and 16682 transitions. [2022-07-20 01:51:12,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2121 [2022-07-20 01:51:12,177 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:51:12,178 INFO L195 NwaCegarLoop]: trace histogram [78, 78, 58, 58, 39, 39, 32, 32, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 23, 23, 23, 20, 20, 20, 20, 20, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:51:12,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-20 01:51:12,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:51:12,386 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:51:12,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:51:12,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1218732447, now seen corresponding path program 1 times [2022-07-20 01:51:12,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:51:12,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934151040] [2022-07-20 01:51:12,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:51:12,391 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:51:12,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:51:12,393 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) [2022-07-20 01:51:12,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-20 01:51:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:51:29,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 7802 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 01:51:29,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:51:30,261 INFO L134 CoverageAnalysis]: Checked inductivity of 24857 backedges. 3457 proven. 1 refuted. 0 times theorem prover too weak. 21399 trivial. 0 not checked. [2022-07-20 01:51:30,262 INFO L328 TraceCheckSpWp]: Computing backward predicates...