./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN --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 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:37:58,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:37:58,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:37:58,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:37:58,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:37:58,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:37:58,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:37:58,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:37:58,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:37:58,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:37:58,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:37:58,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:37:58,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:37:58,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:37:58,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:37:58,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:37:58,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:37:58,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:37:58,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:37:58,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:37:58,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:37:58,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:37:58,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:37:58,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:37:58,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:37:58,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:37:58,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:37:58,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:37:58,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:37:58,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:37:58,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:37:58,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:37:58,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:37:58,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:37:58,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:37:58,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:37:58,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:37:58,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:37:58,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:37:58,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:37:58,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:37:58,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:37:58,778 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:37:58,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:37:58,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:37:58,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:37:58,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:37:58,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:37:58,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:37:58,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:37:58,783 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:37:58,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:37:58,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:37:58,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:37:58,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:37:58,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:37:58,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:37:58,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:37:58,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:37:58,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:37:58,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:37:58,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:37:58,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:37:58,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:37:58,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:37:58,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:37:58,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:37:58,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:37:58,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:37:58,790 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:37:58,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:37:58,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:37:58,791 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd [2022-11-20 12:37:59,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:37:59,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:37:59,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:37:59,132 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:37:59,132 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:37:59,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2022-11-20 12:38:02,254 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:38:02,970 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:38:02,971 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2022-11-20 12:38:03,034 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/data/e0ad907bb/7c9f8cab36864379b46a3f78bb01c526/FLAG047d28747 [2022-11-20 12:38:03,049 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/data/e0ad907bb/7c9f8cab36864379b46a3f78bb01c526 [2022-11-20 12:38:03,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:38:03,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:38:03,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:38:03,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:38:03,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:38:03,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:38:03" (1/1) ... [2022-11-20 12:38:03,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3377c4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:03, skipping insertion in model container [2022-11-20 12:38:03,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:38:03" (1/1) ... [2022-11-20 12:38:03,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:38:03,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:38:03,955 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) 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:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) 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) [2022-11-20 12:38:03,970 INFO L158 Benchmark]: Toolchain (without parser) took 916.09ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 101.6MB in the beginning and 152.9MB in the end (delta: -51.3MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2022-11-20 12:38:03,971 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:38:03,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 913.67ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 101.6MB in the beginning and 152.9MB in the end (delta: -51.3MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2022-11-20 12:38:03,973 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 913.67ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 101.6MB in the beginning and 152.9MB in the end (delta: -51.3MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN --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 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:38:06,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:38:06,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:38:06,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:38:06,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:38:06,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:38:06,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:38:06,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:38:06,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:38:06,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:38:06,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:38:06,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:38:06,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:38:06,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:38:06,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:38:06,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:38:06,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:38:06,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:38:06,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:38:06,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:38:06,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:38:06,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:38:06,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:38:06,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:38:06,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:38:06,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:38:06,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:38:06,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:38:06,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:38:06,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:38:06,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:38:06,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:38:06,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:38:06,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:38:06,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:38:06,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:38:06,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:38:06,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:38:06,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:38:06,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:38:06,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:38:06,458 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:38:06,498 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:38:06,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:38:06,500 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:38:06,500 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:38:06,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:38:06,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:38:06,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:38:06,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:38:06,503 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:38:06,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:38:06,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:38:06,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:38:06,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:38:06,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:38:06,506 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:38:06,506 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:38:06,506 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:38:06,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:38:06,507 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:38:06,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:38:06,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:38:06,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:38:06,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:38:06,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:38:06,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:38:06,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:38:06,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:38:06,510 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:38:06,510 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:38:06,510 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:38:06,510 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:38:06,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:38:06,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:38:06,511 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd [2022-11-20 12:38:06,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:38:06,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:38:06,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:38:06,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:38:06,961 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:38:06,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2022-11-20 12:38:10,008 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:38:10,808 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:38:10,809 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2022-11-20 12:38:10,871 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/data/9aeff09d4/265da7a7b2784210bb96a85655e67d7c/FLAGe00a3963a [2022-11-20 12:38:10,902 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/data/9aeff09d4/265da7a7b2784210bb96a85655e67d7c [2022-11-20 12:38:10,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:38:10,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:38:10,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:38:10,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:38:10,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:38:10,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:38:10" (1/1) ... [2022-11-20 12:38:10,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cdac4a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:10, skipping insertion in model container [2022-11-20 12:38:10,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:38:10" (1/1) ... [2022-11-20 12:38:10,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:38:11,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:38:15,087 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2022-11-20 12:38:15,092 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2022-11-20 12:38:15,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:38:15,153 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:38:15,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:38:15,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2022-11-20 12:38:15,839 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2022-11-20 12:38:15,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:38:15,884 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:38:16,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2022-11-20 12:38:16,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2022-11-20 12:38:16,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:38:16,698 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:38:16,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16 WrapperNode [2022-11-20 12:38:16,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:38:16,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:38:16,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:38:16,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:38:16,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16" (1/1) ... [2022-11-20 12:38:16,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16" (1/1) ... [2022-11-20 12:38:17,038 INFO L138 Inliner]: procedures = 525, calls = 2642, calls flagged for inlining = 246, calls inlined = 216, statements flattened = 5282 [2022-11-20 12:38:17,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:38:17,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:38:17,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:38:17,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:38:17,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16" (1/1) ... [2022-11-20 12:38:17,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16" (1/1) ... [2022-11-20 12:38:17,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16" (1/1) ... [2022-11-20 12:38:17,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16" (1/1) ... [2022-11-20 12:38:17,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16" (1/1) ... [2022-11-20 12:38:17,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16" (1/1) ... [2022-11-20 12:38:17,399 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16" (1/1) ... [2022-11-20 12:38:17,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16" (1/1) ... [2022-11-20 12:38:17,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:38:17,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:38:17,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:38:17,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:38:17,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16" (1/1) ... [2022-11-20 12:38:17,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:38:17,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:38:17,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:38:17,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:38:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2022-11-20 12:38:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2022-11-20 12:38:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-20 12:38:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-11-20 12:38:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-11-20 12:38:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2022-11-20 12:38:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2022-11-20 12:38:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 12:38:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 12:38:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 12:38:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 12:38:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-20 12:38:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-20 12:38:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2022-11-20 12:38:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2022-11-20 12:38:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2022-11-20 12:38:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2022-11-20 12:38:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 12:38:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 12:38:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:38:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:38:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2022-11-20 12:38:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2022-11-20 12:38:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_92 [2022-11-20 12:38:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_92 [2022-11-20 12:38:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 12:38:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 12:38:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2022-11-20 12:38:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2022-11-20 12:38:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 12:38:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 12:38:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 12:38:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 12:38:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-20 12:38:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-20 12:38:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 12:38:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 12:38:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 12:38:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 12:38:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 12:38:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 12:38:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 12:38:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 12:38:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 12:38:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 12:38:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 12:38:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 12:38:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 12:38:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 12:38:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2022-11-20 12:38:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2022-11-20 12:38:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-20 12:38:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-20 12:38:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 12:38:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 12:38:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:38:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 12:38:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 12:38:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-20 12:38:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-20 12:38:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2022-11-20 12:38:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2022-11-20 12:38:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 12:38:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:38:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:38:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:38:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-20 12:38:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-20 12:38:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2022-11-20 12:38:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2022-11-20 12:38:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 12:38:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 12:38:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2022-11-20 12:38:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2022-11-20 12:38:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2022-11-20 12:38:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2022-11-20 12:38:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 12:38:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 12:38:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-20 12:38:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-20 12:38:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2022-11-20 12:38:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2022-11-20 12:38:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 12:38:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 12:38:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-20 12:38:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-20 12:38:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 12:38:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 12:38:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 12:38:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 12:38:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2022-11-20 12:38:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2022-11-20 12:38:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 12:38:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 12:38:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 12:38:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 12:38:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 12:38:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 12:38:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 12:38:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 12:38:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 12:38:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 12:38:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2022-11-20 12:38:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2022-11-20 12:38:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2022-11-20 12:38:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2022-11-20 12:38:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-20 12:38:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-20 12:38:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:38:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 12:38:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 12:38:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 12:38:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 12:38:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 12:38:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 12:38:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:38:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2022-11-20 12:38:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2022-11-20 12:38:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 12:38:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 12:38:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 12:38:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 12:38:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:38:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 12:38:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 12:38:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:38:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:38:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 12:38:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-20 12:38:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-20 12:38:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 12:38:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 12:38:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 12:38:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 12:38:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2022-11-20 12:38:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2022-11-20 12:38:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 12:38:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 12:38:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2022-11-20 12:38:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2022-11-20 12:38:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-20 12:38:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-20 12:38:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 12:38:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 12:38:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 12:38:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 12:38:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 12:38:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 12:38:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 12:38:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 12:38:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2022-11-20 12:38:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2022-11-20 12:38:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 12:38:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-20 12:38:17,629 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-20 12:38:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-20 12:38:17,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-20 12:38:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2022-11-20 12:38:17,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2022-11-20 12:38:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:38:17,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:38:17,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:38:17,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:38:17,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:38:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 12:38:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 12:38:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 12:38:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:38:17,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:38:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2022-11-20 12:38:17,631 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2022-11-20 12:38:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2022-11-20 12:38:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2022-11-20 12:38:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 12:38:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 12:38:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_eeprom_len [2022-11-20 12:38:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eeprom_len [2022-11-20 12:38:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-20 12:38:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-20 12:38:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-11-20 12:38:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-11-20 12:38:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_regs_len [2022-11-20 12:38:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure get_regs_len [2022-11-20 12:38:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 12:38:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 12:38:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2022-11-20 12:38:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2022-11-20 12:38:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2022-11-20 12:38:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2022-11-20 12:38:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_91 [2022-11-20 12:38:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_91 [2022-11-20 12:38:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 12:38:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 12:38:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 12:38:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 12:38:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2022-11-20 12:38:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2022-11-20 12:38:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 12:38:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 12:38:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 12:38:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 12:38:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-20 12:38:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-20 12:38:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:38:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2022-11-20 12:38:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2022-11-20 12:38:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 12:38:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 12:38:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2022-11-20 12:38:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2022-11-20 12:38:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:38:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:38:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:38:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 12:38:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:38:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:38:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2022-11-20 12:38:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2022-11-20 12:38:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 12:38:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 12:38:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2022-11-20 12:38:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2022-11-20 12:38:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 12:38:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 12:38:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-20 12:38:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-20 12:38:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2022-11-20 12:38:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2022-11-20 12:38:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2022-11-20 12:38:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2022-11-20 12:38:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-20 12:38:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-20 12:38:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2022-11-20 12:38:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2022-11-20 12:38:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2022-11-20 12:38:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2022-11-20 12:38:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 12:38:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 12:38:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 12:38:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 12:38:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-20 12:38:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-20 12:38:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 12:38:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 12:38:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2022-11-20 12:38:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2022-11-20 12:38:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2022-11-20 12:38:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2022-11-20 12:38:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 12:38:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 12:38:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:38:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 12:38:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2022-11-20 12:38:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2022-11-20 12:38:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 12:38:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 12:38:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2022-11-20 12:38:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2022-11-20 12:38:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-11-20 12:38:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-11-20 12:38:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 12:38:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 12:38:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 12:38:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 12:38:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-20 12:38:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-20 12:38:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2022-11-20 12:38:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2022-11-20 12:38:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2022-11-20 12:38:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2022-11-20 12:38:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2022-11-20 12:38:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2022-11-20 12:38:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 12:38:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 12:38:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-20 12:38:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-20 12:38:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-20 12:38:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-20 12:38:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2022-11-20 12:38:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2022-11-20 12:38:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2022-11-20 12:38:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2022-11-20 12:38:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 12:38:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 12:38:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2022-11-20 12:38:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2022-11-20 12:38:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 12:38:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 12:38:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-20 12:38:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-20 12:38:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2022-11-20 12:38:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2022-11-20 12:38:18,662 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:38:18,675 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:38:21,869 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:38:50,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 12:38:50,846 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:38:50,879 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:38:50,879 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:38:50,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:38:50 BoogieIcfgContainer [2022-11-20 12:38:50,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:38:50,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:38:50,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:38:50,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:38:50,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:38:10" (1/3) ... [2022-11-20 12:38:50,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727858a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:38:50, skipping insertion in model container [2022-11-20 12:38:50,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:16" (2/3) ... [2022-11-20 12:38:50,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727858a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:38:50, skipping insertion in model container [2022-11-20 12:38:50,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:38:50" (3/3) ... [2022-11-20 12:38:50,898 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2022-11-20 12:38:50,920 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:38:50,920 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:38:51,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:38:51,137 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@492e97d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:38:51,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:38:51,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 2464 states, 1582 states have (on average 1.268015170670038) internal successors, (2006), 1617 states have internal predecessors, (2006), 752 states have call successors, (752), 130 states have call predecessors, (752), 129 states have return successors, (746), 737 states have call predecessors, (746), 746 states have call successors, (746) [2022-11-20 12:38:51,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-20 12:38:51,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:38:51,195 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 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] [2022-11-20 12:38:51,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:38:51,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:51,203 INFO L85 PathProgramCache]: Analyzing trace with hash -864351340, now seen corresponding path program 1 times [2022-11-20 12:38:51,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:38:51,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103445670] [2022-11-20 12:38:51,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:51,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:38:51,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:38:51,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:38:51,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 12:38:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:38:53,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:38:53,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:38:53,426 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2022-11-20 12:38:53,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:38:53,427 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:38:53,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103445670] [2022-11-20 12:38:53,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1103445670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:38:53,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:38:53,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:38:53,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792738479] [2022-11-20 12:38:53,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:38:53,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:38:53,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:38:53,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:38:53,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:38:53,477 INFO L87 Difference]: Start difference. First operand has 2464 states, 1582 states have (on average 1.268015170670038) internal successors, (2006), 1617 states have internal predecessors, (2006), 752 states have call successors, (752), 130 states have call predecessors, (752), 129 states have return successors, (746), 737 states have call predecessors, (746), 746 states have call successors, (746) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 12:38:54,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:38:54,371 INFO L93 Difference]: Finished difference Result 6742 states and 9642 transitions. [2022-11-20 12:38:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:38:54,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 221 [2022-11-20 12:38:54,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:38:54,441 INFO L225 Difference]: With dead ends: 6742 [2022-11-20 12:38:54,441 INFO L226 Difference]: Without dead ends: 4237 [2022-11-20 12:38:54,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:38:54,477 INFO L413 NwaCegarLoop]: 4094 mSDtfsCounter, 2618 mSDsluCounter, 3392 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2618 SdHoareTripleChecker+Valid, 7486 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:38:54,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2618 Valid, 7486 Invalid, 89 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:38:54,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4237 states. [2022-11-20 12:38:54,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4237 to 4233. [2022-11-20 12:38:54,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4233 states, 2701 states have (on average 1.2554609403924473) internal successors, (3391), 2765 states have internal predecessors, (3391), 1289 states have call successors, (1289), 244 states have call predecessors, (1289), 242 states have return successors, (1290), 1267 states have call predecessors, (1290), 1289 states have call successors, (1290) [2022-11-20 12:38:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 4233 states and 5970 transitions. [2022-11-20 12:38:55,035 INFO L78 Accepts]: Start accepts. Automaton has 4233 states and 5970 transitions. Word has length 221 [2022-11-20 12:38:55,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:38:55,039 INFO L495 AbstractCegarLoop]: Abstraction has 4233 states and 5970 transitions. [2022-11-20 12:38:55,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 12:38:55,040 INFO L276 IsEmpty]: Start isEmpty. Operand 4233 states and 5970 transitions. [2022-11-20 12:38:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-11-20 12:38:55,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:38:55,067 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 5, 5, 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] [2022-11-20 12:38:55,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:38:55,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:38:55,291 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:38:55,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:55,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1483559135, now seen corresponding path program 1 times [2022-11-20 12:38:55,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:38:55,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718455267] [2022-11-20 12:38:55,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:55,295 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:38:55,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:38:55,299 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:38:55,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 12:38:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:38:57,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:38:57,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:38:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 987 trivial. 0 not checked. [2022-11-20 12:38:57,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:38:57,566 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:38:57,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718455267] [2022-11-20 12:38:57,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718455267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:38:57,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:38:57,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:38:57,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630894438] [2022-11-20 12:38:57,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:38:57,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:38:57,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:38:57,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:38:57,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:38:57,571 INFO L87 Difference]: Start difference. First operand 4233 states and 5970 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-20 12:38:58,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:38:58,390 INFO L93 Difference]: Finished difference Result 12216 states and 17196 transitions. [2022-11-20 12:38:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:38:58,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 298 [2022-11-20 12:38:58,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:38:58,462 INFO L225 Difference]: With dead ends: 12216 [2022-11-20 12:38:58,462 INFO L226 Difference]: Without dead ends: 8018 [2022-11-20 12:38:58,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:38:58,490 INFO L413 NwaCegarLoop]: 4065 mSDtfsCounter, 3257 mSDsluCounter, 3234 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3257 SdHoareTripleChecker+Valid, 7299 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:38:58,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3257 Valid, 7299 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:38:58,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8018 states. [2022-11-20 12:38:59,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8018 to 8012. [2022-11-20 12:38:59,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8012 states, 5164 states have (on average 1.2591014717273432) internal successors, (6502), 5282 states have internal predecessors, (6502), 2378 states have call successors, (2378), 479 states have call predecessors, (2378), 469 states have return successors, (2387), 2326 states have call predecessors, (2387), 2378 states have call successors, (2387) [2022-11-20 12:38:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8012 states to 8012 states and 11267 transitions. [2022-11-20 12:38:59,145 INFO L78 Accepts]: Start accepts. Automaton has 8012 states and 11267 transitions. Word has length 298 [2022-11-20 12:38:59,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:38:59,146 INFO L495 AbstractCegarLoop]: Abstraction has 8012 states and 11267 transitions. [2022-11-20 12:38:59,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-20 12:38:59,147 INFO L276 IsEmpty]: Start isEmpty. Operand 8012 states and 11267 transitions. [2022-11-20 12:38:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2022-11-20 12:38:59,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:38:59,161 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 9, 9, 6, 6, 4, 4, 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] [2022-11-20 12:38:59,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:38:59,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:38:59,378 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:38:59,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:59,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1721520372, now seen corresponding path program 1 times [2022-11-20 12:38:59,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:38:59,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129554675] [2022-11-20 12:38:59,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:59,395 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:38:59,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:38:59,397 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:38:59,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 12:39:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:01,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 2233 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:39:01,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 1121 trivial. 0 not checked. [2022-11-20 12:39:01,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:01,839 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:01,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1129554675] [2022-11-20 12:39:01,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1129554675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:01,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:01,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:39:01,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621080877] [2022-11-20 12:39:01,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:01,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:39:01,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:01,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:39:01,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:01,846 INFO L87 Difference]: Start difference. First operand 8012 states and 11267 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-20 12:39:02,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:02,969 INFO L93 Difference]: Finished difference Result 20442 states and 28719 transitions. [2022-11-20 12:39:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:39:02,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 368 [2022-11-20 12:39:02,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:03,136 INFO L225 Difference]: With dead ends: 20442 [2022-11-20 12:39:03,136 INFO L226 Difference]: Without dead ends: 12465 [2022-11-20 12:39:03,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:03,176 INFO L413 NwaCegarLoop]: 5297 mSDtfsCounter, 2380 mSDsluCounter, 3372 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2380 SdHoareTripleChecker+Valid, 8669 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:03,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2380 Valid, 8669 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:39:03,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12465 states. [2022-11-20 12:39:04,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12465 to 12459. [2022-11-20 12:39:04,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12459 states, 8107 states have (on average 1.260392253607993) internal successors, (10218), 8274 states have internal predecessors, (10218), 3603 states have call successors, (3603), 758 states have call predecessors, (3603), 748 states have return successors, (3612), 3539 states have call predecessors, (3612), 3603 states have call successors, (3612) [2022-11-20 12:39:04,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12459 states to 12459 states and 17433 transitions. [2022-11-20 12:39:04,133 INFO L78 Accepts]: Start accepts. Automaton has 12459 states and 17433 transitions. Word has length 368 [2022-11-20 12:39:04,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:04,135 INFO L495 AbstractCegarLoop]: Abstraction has 12459 states and 17433 transitions. [2022-11-20 12:39:04,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-20 12:39:04,136 INFO L276 IsEmpty]: Start isEmpty. Operand 12459 states and 17433 transitions. [2022-11-20 12:39:04,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-11-20 12:39:04,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:04,152 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 9, 9, 6, 6, 5, 5, 5, 4, 4, 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] [2022-11-20 12:39:04,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:39:04,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:04,374 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:04,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:04,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1507282036, now seen corresponding path program 1 times [2022-11-20 12:39:04,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:04,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252510668] [2022-11-20 12:39:04,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:04,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:04,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:04,380 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:39:04,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 12:39:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:07,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 2375 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:39:07,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:07,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2022-11-20 12:39:07,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:07,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:07,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252510668] [2022-11-20 12:39:07,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1252510668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:07,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:07,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:39:07,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190935609] [2022-11-20 12:39:07,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:07,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:39:07,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:07,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:39:07,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:07,466 INFO L87 Difference]: Start difference. First operand 12459 states and 17433 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-20 12:39:08,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:08,831 INFO L93 Difference]: Finished difference Result 29328 states and 41039 transitions. [2022-11-20 12:39:08,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:39:08,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 432 [2022-11-20 12:39:08,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:08,950 INFO L225 Difference]: With dead ends: 29328 [2022-11-20 12:39:08,951 INFO L226 Difference]: Without dead ends: 16904 [2022-11-20 12:39:09,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:09,010 INFO L413 NwaCegarLoop]: 5798 mSDtfsCounter, 2366 mSDsluCounter, 3361 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2366 SdHoareTripleChecker+Valid, 9159 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:09,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2366 Valid, 9159 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:39:09,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16904 states. [2022-11-20 12:39:10,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16904 to 16898. [2022-11-20 12:39:10,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16898 states, 11042 states have (on average 1.2611845680130411) internal successors, (13926), 11258 states have internal predecessors, (13926), 4828 states have call successors, (4828), 1037 states have call predecessors, (4828), 1027 states have return successors, (4837), 4752 states have call predecessors, (4837), 4828 states have call successors, (4837) [2022-11-20 12:39:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16898 states to 16898 states and 23591 transitions. [2022-11-20 12:39:10,231 INFO L78 Accepts]: Start accepts. Automaton has 16898 states and 23591 transitions. Word has length 432 [2022-11-20 12:39:10,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:10,233 INFO L495 AbstractCegarLoop]: Abstraction has 16898 states and 23591 transitions. [2022-11-20 12:39:10,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-20 12:39:10,233 INFO L276 IsEmpty]: Start isEmpty. Operand 16898 states and 23591 transitions. [2022-11-20 12:39:10,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2022-11-20 12:39:10,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:10,253 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 9, 9, 9, 9, 9, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 12:39:10,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:39:10,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:10,476 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:10,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:10,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1626284403, now seen corresponding path program 1 times [2022-11-20 12:39:10,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:10,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768293932] [2022-11-20 12:39:10,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:10,479 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:10,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:10,481 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:39:10,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 12:39:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:12,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 2515 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:39:12,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:12,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1607 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 1502 trivial. 0 not checked. [2022-11-20 12:39:12,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:12,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:12,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768293932] [2022-11-20 12:39:12,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768293932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:12,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:12,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:39:12,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892618690] [2022-11-20 12:39:12,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:12,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:39:12,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:12,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:39:12,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:12,941 INFO L87 Difference]: Start difference. First operand 16898 states and 23591 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-20 12:39:14,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:14,209 INFO L93 Difference]: Finished difference Result 38194 states and 53327 transitions. [2022-11-20 12:39:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:39:14,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 506 [2022-11-20 12:39:14,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:14,331 INFO L225 Difference]: With dead ends: 38194 [2022-11-20 12:39:14,332 INFO L226 Difference]: Without dead ends: 21331 [2022-11-20 12:39:14,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:14,641 INFO L413 NwaCegarLoop]: 5802 mSDtfsCounter, 2378 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2378 SdHoareTripleChecker+Valid, 9170 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:14,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2378 Valid, 9170 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:39:14,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21331 states. [2022-11-20 12:39:16,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21331 to 21325. [2022-11-20 12:39:16,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21325 states, 13965 states have (on average 1.2618689581095597) internal successors, (17622), 14230 states have internal predecessors, (17622), 6053 states have call successors, (6053), 1316 states have call predecessors, (6053), 1306 states have return successors, (6062), 5965 states have call predecessors, (6062), 6053 states have call successors, (6062) [2022-11-20 12:39:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21325 states to 21325 states and 29737 transitions. [2022-11-20 12:39:16,374 INFO L78 Accepts]: Start accepts. Automaton has 21325 states and 29737 transitions. Word has length 506 [2022-11-20 12:39:16,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:16,375 INFO L495 AbstractCegarLoop]: Abstraction has 21325 states and 29737 transitions. [2022-11-20 12:39:16,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-20 12:39:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 21325 states and 29737 transitions. [2022-11-20 12:39:16,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2022-11-20 12:39:16,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:16,400 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 9, 9, 9, 9, 9, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 12:39:16,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:39:16,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:16,615 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:16,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:16,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1839901489, now seen corresponding path program 1 times [2022-11-20 12:39:16,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:16,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708982051] [2022-11-20 12:39:16,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:16,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:16,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:16,621 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:39:16,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 12:39:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:19,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 2515 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:39:19,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:19,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1607 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 1502 trivial. 0 not checked. [2022-11-20 12:39:19,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:19,198 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:19,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708982051] [2022-11-20 12:39:19,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708982051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:19,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:19,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:39:19,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459419464] [2022-11-20 12:39:19,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:19,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:39:19,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:19,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:39:19,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:19,202 INFO L87 Difference]: Start difference. First operand 21325 states and 29737 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-20 12:39:20,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:20,650 INFO L93 Difference]: Finished difference Result 48540 states and 67663 transitions. [2022-11-20 12:39:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:39:20,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 506 [2022-11-20 12:39:20,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:20,822 INFO L225 Difference]: With dead ends: 48540 [2022-11-20 12:39:20,822 INFO L226 Difference]: Without dead ends: 27250 [2022-11-20 12:39:20,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:20,912 INFO L413 NwaCegarLoop]: 6025 mSDtfsCounter, 3030 mSDsluCounter, 3067 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3030 SdHoareTripleChecker+Valid, 9092 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:20,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3030 Valid, 9092 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:39:20,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27250 states. [2022-11-20 12:39:22,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27250 to 27244. [2022-11-20 12:39:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27244 states, 17827 states have (on average 1.2593257418522465) internal successors, (22450), 18158 states have internal predecessors, (22450), 7728 states have call successors, (7728), 1705 states have call predecessors, (7728), 1688 states have return successors, (7737), 7621 states have call predecessors, (7737), 7728 states have call successors, (7737) [2022-11-20 12:39:22,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27244 states to 27244 states and 37915 transitions. [2022-11-20 12:39:22,855 INFO L78 Accepts]: Start accepts. Automaton has 27244 states and 37915 transitions. Word has length 506 [2022-11-20 12:39:22,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:22,856 INFO L495 AbstractCegarLoop]: Abstraction has 27244 states and 37915 transitions. [2022-11-20 12:39:22,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 3 states have call successors, (67), 3 states have call predecessors, (67), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-20 12:39:22,857 INFO L276 IsEmpty]: Start isEmpty. Operand 27244 states and 37915 transitions. [2022-11-20 12:39:22,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2022-11-20 12:39:22,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:22,879 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 15, 15, 15, 15, 15, 15, 11, 11, 11, 9, 9, 6, 6, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:39:22,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:39:23,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:23,103 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:23,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:23,104 INFO L85 PathProgramCache]: Analyzing trace with hash -526846274, now seen corresponding path program 1 times [2022-11-20 12:39:23,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:23,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [12635667] [2022-11-20 12:39:23,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:23,107 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:23,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:23,108 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:39:23,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 12:39:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:26,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 2641 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:39:26,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-20 12:39:26,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:26,161 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:26,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [12635667] [2022-11-20 12:39:26,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [12635667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:26,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:26,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:39:26,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479938718] [2022-11-20 12:39:26,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:26,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:39:26,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:26,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:39:26,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:26,166 INFO L87 Difference]: Start difference. First operand 27244 states and 37915 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (71), 3 states have call predecessors, (71), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-20 12:39:27,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:27,817 INFO L93 Difference]: Finished difference Result 58890 states and 81983 transitions. [2022-11-20 12:39:27,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:39:27,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (71), 3 states have call predecessors, (71), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 564 [2022-11-20 12:39:27,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:28,100 INFO L225 Difference]: With dead ends: 58890 [2022-11-20 12:39:28,101 INFO L226 Difference]: Without dead ends: 31681 [2022-11-20 12:39:28,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:28,187 INFO L413 NwaCegarLoop]: 5227 mSDtfsCounter, 2380 mSDsluCounter, 3367 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2380 SdHoareTripleChecker+Valid, 8594 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:28,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2380 Valid, 8594 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:39:28,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31681 states. [2022-11-20 12:39:30,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31681 to 31675. [2022-11-20 12:39:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31675 states, 20754 states have (on average 1.2599980726606919) internal successors, (26150), 21134 states have internal predecessors, (26150), 8953 states have call successors, (8953), 1984 states have call predecessors, (8953), 1967 states have return successors, (8962), 8834 states have call predecessors, (8962), 8953 states have call successors, (8962) [2022-11-20 12:39:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31675 states to 31675 states and 44065 transitions. [2022-11-20 12:39:30,217 INFO L78 Accepts]: Start accepts. Automaton has 31675 states and 44065 transitions. Word has length 564 [2022-11-20 12:39:30,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:30,218 INFO L495 AbstractCegarLoop]: Abstraction has 31675 states and 44065 transitions. [2022-11-20 12:39:30,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (71), 3 states have call predecessors, (71), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-20 12:39:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 31675 states and 44065 transitions. [2022-11-20 12:39:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2022-11-20 12:39:30,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:30,232 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 15, 15, 15, 15, 15, 15, 11, 11, 11, 9, 9, 6, 6, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:39:30,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:39:30,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:30,455 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:30,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:30,455 INFO L85 PathProgramCache]: Analyzing trace with hash -313229188, now seen corresponding path program 1 times [2022-11-20 12:39:30,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:30,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949215556] [2022-11-20 12:39:30,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:30,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:30,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:30,460 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:39:30,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 12:39:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:33,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 2641 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:39:33,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:33,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-20 12:39:33,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:33,364 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:33,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949215556] [2022-11-20 12:39:33,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949215556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:33,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:33,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:39:33,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401521229] [2022-11-20 12:39:33,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:33,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:39:33,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:33,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:39:33,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:33,371 INFO L87 Difference]: Start difference. First operand 31675 states and 44065 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (71), 3 states have call predecessors, (71), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-20 12:39:35,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:35,406 INFO L93 Difference]: Finished difference Result 67800 states and 94343 transitions. [2022-11-20 12:39:35,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:39:35,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (71), 3 states have call predecessors, (71), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 564 [2022-11-20 12:39:35,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:35,578 INFO L225 Difference]: With dead ends: 67800 [2022-11-20 12:39:35,578 INFO L226 Difference]: Without dead ends: 36160 [2022-11-20 12:39:35,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:35,684 INFO L413 NwaCegarLoop]: 5803 mSDtfsCounter, 2393 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2393 SdHoareTripleChecker+Valid, 9171 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:35,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2393 Valid, 9171 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:39:35,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36160 states. [2022-11-20 12:39:37,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36160 to 36154. [2022-11-20 12:39:37,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36154 states, 23721 states have (on average 1.2604021752877197) internal successors, (29898), 24150 states have internal predecessors, (29898), 10182 states have call successors, (10182), 2267 states have call predecessors, (10182), 2250 states have return successors, (10191), 10051 states have call predecessors, (10191), 10182 states have call successors, (10191) [2022-11-20 12:39:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36154 states to 36154 states and 50271 transitions. [2022-11-20 12:39:37,846 INFO L78 Accepts]: Start accepts. Automaton has 36154 states and 50271 transitions. Word has length 564 [2022-11-20 12:39:37,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:37,847 INFO L495 AbstractCegarLoop]: Abstraction has 36154 states and 50271 transitions. [2022-11-20 12:39:37,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (71), 3 states have call predecessors, (71), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-20 12:39:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 36154 states and 50271 transitions. [2022-11-20 12:39:37,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2022-11-20 12:39:37,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:37,867 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 15, 15, 15, 15, 15, 15, 12, 12, 12, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:39:37,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:39:38,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:38,083 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:38,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:38,084 INFO L85 PathProgramCache]: Analyzing trace with hash -226971610, now seen corresponding path program 1 times [2022-11-20 12:39:38,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:38,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776684072] [2022-11-20 12:39:38,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:38,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:38,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:38,089 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:39:38,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 12:39:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:40,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 2695 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 12:39:40,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2092 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 1661 trivial. 0 not checked. [2022-11-20 12:39:41,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:41,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:41,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776684072] [2022-11-20 12:39:41,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776684072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:41,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:41,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 12:39:41,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590919756] [2022-11-20 12:39:41,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:41,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 12:39:41,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:41,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:39:41,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:39:41,573 INFO L87 Difference]: Start difference. First operand 36154 states and 50271 transitions. Second operand has 12 states, 11 states have (on average 21.09090909090909) internal successors, (232), 11 states have internal predecessors, (232), 5 states have call successors, (76), 3 states have call predecessors, (76), 5 states have return successors, (69), 5 states have call predecessors, (69), 5 states have call successors, (69) [2022-11-20 12:40:06,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:06,168 INFO L93 Difference]: Finished difference Result 108630 states and 151881 transitions. [2022-11-20 12:40:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 12:40:06,169 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 21.09090909090909) internal successors, (232), 11 states have internal predecessors, (232), 5 states have call successors, (76), 3 states have call predecessors, (76), 5 states have return successors, (69), 5 states have call predecessors, (69), 5 states have call successors, (69) Word has length 605 [2022-11-20 12:40:06,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:40:06,433 INFO L225 Difference]: With dead ends: 108630 [2022-11-20 12:40:06,433 INFO L226 Difference]: Without dead ends: 72451 [2022-11-20 12:40:06,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 596 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2022-11-20 12:40:06,539 INFO L413 NwaCegarLoop]: 6729 mSDtfsCounter, 6109 mSDsluCounter, 58425 mSDsCounter, 0 mSdLazyCounter, 5149 mSolverCounterSat, 1005 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6144 SdHoareTripleChecker+Valid, 65154 SdHoareTripleChecker+Invalid, 6154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1005 IncrementalHoareTripleChecker+Valid, 5149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:40:06,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6144 Valid, 65154 Invalid, 6154 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1005 Valid, 5149 Invalid, 0 Unknown, 0 Unchecked, 19.8s Time] [2022-11-20 12:40:06,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72451 states. [2022-11-20 12:40:10,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72451 to 65294. [2022-11-20 12:40:10,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65294 states, 42899 states have (on average 1.2611249679479708) internal successors, (54101), 43670 states have internal predecessors, (54101), 18337 states have call successors, (18337), 4081 states have call predecessors, (18337), 4057 states have return successors, (18346), 18106 states have call predecessors, (18346), 18337 states have call successors, (18346) [2022-11-20 12:40:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65294 states to 65294 states and 90784 transitions. [2022-11-20 12:40:11,193 INFO L78 Accepts]: Start accepts. Automaton has 65294 states and 90784 transitions. Word has length 605 [2022-11-20 12:40:11,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:40:11,195 INFO L495 AbstractCegarLoop]: Abstraction has 65294 states and 90784 transitions. [2022-11-20 12:40:11,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 21.09090909090909) internal successors, (232), 11 states have internal predecessors, (232), 5 states have call successors, (76), 3 states have call predecessors, (76), 5 states have return successors, (69), 5 states have call predecessors, (69), 5 states have call successors, (69) [2022-11-20 12:40:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 65294 states and 90784 transitions. [2022-11-20 12:40:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2022-11-20 12:40:11,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:40:11,217 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 16, 16, 16, 16, 16, 16, 12, 12, 12, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:11,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:11,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:40:11,438 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:40:11,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:11,438 INFO L85 PathProgramCache]: Analyzing trace with hash -2014277964, now seen corresponding path program 1 times [2022-11-20 12:40:11,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:40:11,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176574843] [2022-11-20 12:40:11,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:11,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:40:11,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:40:11,443 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:40:11,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2f9779-5af3-41f3-a593-bf4b1ef1651f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 12:40:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:14,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:40:14,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2335 backedges. 457 proven. 0 refuted. 0 times theorem prover too weak. 1878 trivial. 0 not checked. [2022-11-20 12:40:14,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:40:14,402 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:40:14,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176574843] [2022-11-20 12:40:14,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176574843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:40:14,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:40:14,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:40:14,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080524048] [2022-11-20 12:40:14,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:40:14,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:40:14,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:40:14,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:40:14,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:40:14,406 INFO L87 Difference]: Start difference. First operand 65294 states and 90784 transitions. Second operand has 5 states, 5 states have (on average 48.6) internal successors, (243), 5 states have internal predecessors, (243), 2 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-11-20 12:40:23,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:23,458 INFO L93 Difference]: Finished difference Result 149681 states and 210470 transitions. [2022-11-20 12:40:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:40:23,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 48.6) internal successors, (243), 5 states have internal predecessors, (243), 2 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 650 [2022-11-20 12:40:23,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:40:23,824 INFO L225 Difference]: With dead ends: 149681 [2022-11-20 12:40:23,824 INFO L226 Difference]: Without dead ends: 84422 [2022-11-20 12:40:24,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 648 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:40:24,164 INFO L413 NwaCegarLoop]: 4687 mSDtfsCounter, 3122 mSDsluCounter, 11727 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1042 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3123 SdHoareTripleChecker+Valid, 16414 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1042 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:40:24,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3123 Valid, 16414 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1042 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-20 12:40:24,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84422 states.