./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 14ec046978052198cd587531ac5cc6873edc7e25b4a41979dad16fe919a1b16d --- 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 10:43:32,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:43:32,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:43:32,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:43:32,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:43:32,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:43:32,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:43:32,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:43:32,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:43:32,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:43:32,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:43:32,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:43:32,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:43:32,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:43:32,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:43:32,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:43:32,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:43:32,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:43:32,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:43:32,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:43:32,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:43:32,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:43:32,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:43:32,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:43:32,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:43:32,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:43:32,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:43:32,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:43:32,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:43:32,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:43:32,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:43:32,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:43:32,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:43:32,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:43:32,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:43:32,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:43:32,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:43:32,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:43:32,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:43:32,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:43:32,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:43:32,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:43:32,512 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:43:32,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:43:32,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:43:32,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:43:32,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:43:32,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:43:32,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:43:32,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:43:32,515 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:43:32,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:43:32,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:43:32,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:43:32,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:43:32,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:43:32,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:43:32,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:43:32,518 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:43:32,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:43:32,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:43:32,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:43:32,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:43:32,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:43:32,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:43:32,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:43:32,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:43:32,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:43:32,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:43:32,520 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:43:32,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:43:32,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:43:32,521 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_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14ec046978052198cd587531ac5cc6873edc7e25b4a41979dad16fe919a1b16d [2022-11-20 10:43:32,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:43:32,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:43:32,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:43:32,861 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:43:32,862 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:43:32,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-11-20 10:43:35,879 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:43:36,652 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:43:36,653 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-11-20 10:43:36,705 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/data/920e02ae5/c02a89b7fbd5418f88c9f08e69736521/FLAG71d6746d9 [2022-11-20 10:43:36,722 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/data/920e02ae5/c02a89b7fbd5418f88c9f08e69736521 [2022-11-20 10:43:36,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:43:36,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:43:36,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:43:36,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:43:36,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:43:36,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:43:36" (1/1) ... [2022-11-20 10:43:36,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13df58bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:36, skipping insertion in model container [2022-11-20 10:43:36,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:43:36" (1/1) ... [2022-11-20 10:43:36,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:43:36,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:43:37,839 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 10:43:37,844 INFO L158 Benchmark]: Toolchain (without parser) took 1112.97ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 84.5MB in the beginning and 116.0MB in the end (delta: -31.5MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2022-11-20 10:43:37,845 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:43:37,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1109.26ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 84.5MB in the beginning and 116.0MB in the end (delta: -31.5MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2022-11-20 10:43:37,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1109.26ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 84.5MB in the beginning and 116.0MB in the end (delta: -31.5MB). Peak memory consumption was 45.3MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 14ec046978052198cd587531ac5cc6873edc7e25b4a41979dad16fe919a1b16d --- 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 10:43:40,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:43:40,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:43:40,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:43:40,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:43:40,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:43:40,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:43:40,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:43:40,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:43:40,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:43:40,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:43:40,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:43:40,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:43:40,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:43:40,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:43:40,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:43:40,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:43:40,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:43:40,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:43:40,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:43:40,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:43:40,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:43:40,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:43:40,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:43:40,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:43:40,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:43:40,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:43:40,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:43:40,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:43:40,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:43:40,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:43:40,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:43:40,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:43:40,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:43:40,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:43:40,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:43:40,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:43:40,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:43:40,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:43:40,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:43:40,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:43:40,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:43:40,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:43:40,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:43:40,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:43:40,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:43:40,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:43:40,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:43:40,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:43:40,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:43:40,263 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:43:40,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:43:40,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:43:40,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:43:40,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:43:40,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:43:40,269 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:43:40,269 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:43:40,270 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:43:40,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:43:40,270 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:43:40,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:43:40,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:43:40,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:43:40,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:43:40,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:43:40,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:43:40,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:43:40,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:43:40,273 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:43:40,273 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:43:40,273 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:43:40,273 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:43:40,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:43:40,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:43:40,275 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_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14ec046978052198cd587531ac5cc6873edc7e25b4a41979dad16fe919a1b16d [2022-11-20 10:43:40,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:43:40,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:43:40,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:43:40,653 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:43:40,654 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:43:40,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-11-20 10:43:43,750 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:43:44,566 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:43:44,567 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-11-20 10:43:44,630 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/data/8af2aacf7/68fb6f7a7a5b47bb8d65efb4bcb0e81a/FLAGae6b652f5 [2022-11-20 10:43:44,646 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/data/8af2aacf7/68fb6f7a7a5b47bb8d65efb4bcb0e81a [2022-11-20 10:43:44,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:43:44,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:43:44,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:43:44,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:43:44,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:43:44,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:43:44" (1/1) ... [2022-11-20 10:43:44,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d00665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:44, skipping insertion in model container [2022-11-20 10:43:44,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:43:44" (1/1) ... [2022-11-20 10:43:44,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:43:44,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:43:50,364 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_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494588,494601] [2022-11-20 10:43:50,369 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_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494733,494746] [2022-11-20 10:43:50,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:43:50,492 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:43:50,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:43:51,215 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_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494588,494601] [2022-11-20 10:43:51,216 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_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494733,494746] [2022-11-20 10:43:51,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:43:51,293 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:43:51,926 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_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494588,494601] [2022-11-20 10:43:51,927 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_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494733,494746] [2022-11-20 10:43:51,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:43:52,355 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:43:52,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52 WrapperNode [2022-11-20 10:43:52,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:43:52,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:43:52,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:43:52,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:43:52,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52" (1/1) ... [2022-11-20 10:43:52,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52" (1/1) ... [2022-11-20 10:43:52,949 INFO L138 Inliner]: procedures = 700, calls = 4397, calls flagged for inlining = 340, calls inlined = 320, statements flattened = 9988 [2022-11-20 10:43:52,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:43:52,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:43:52,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:43:52,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:43:52,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52" (1/1) ... [2022-11-20 10:43:52,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52" (1/1) ... [2022-11-20 10:43:53,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52" (1/1) ... [2022-11-20 10:43:53,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52" (1/1) ... [2022-11-20 10:43:53,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52" (1/1) ... [2022-11-20 10:43:53,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52" (1/1) ... [2022-11-20 10:43:53,308 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52" (1/1) ... [2022-11-20 10:43:53,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52" (1/1) ... [2022-11-20 10:43:53,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:43:53,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:43:53,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:43:53,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:43:53,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52" (1/1) ... [2022-11-20 10:43:53,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:43:53,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:43:53,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:43:53,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:43:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 10:43:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 10:43:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_read [2022-11-20 10:43:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_read [2022-11-20 10:43:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure cas_pcs_link_check [2022-11-20 10:43:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_pcs_link_check [2022-11-20 10:43:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 10:43:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 10:43:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 10:43:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 10:43:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_132 [2022-11-20 10:43:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_132 [2022-11-20 10:43:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-20 10:43:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-20 10:43:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-20 10:43:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-20 10:43:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_133 [2022-11-20 10:43:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_133 [2022-11-20 10:43:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:43:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:43:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mii_link_check [2022-11-20 10:43:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mii_link_check [2022-11-20 10:43:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure cas_calc_tabort [2022-11-20 10:43:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_calc_tabort [2022-11-20 10:43:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-20 10:43:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-20 10:43:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-20 10:43:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-20 10:43:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-20 10:43:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-20 10:43:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 10:43:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 10:43:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-20 10:43:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-20 10:43:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure cas_lock_tx [2022-11-20 10:43:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_lock_tx [2022-11-20 10:43:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 10:43:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 10:43:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 10:43:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 10:43:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure cas_disable_irq [2022-11-20 10:43:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_disable_irq [2022-11-20 10:43:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure cas_free_rxds [2022-11-20 10:43:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_free_rxds [2022-11-20 10:43:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-20 10:43:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-20 10:43:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure cas_open [2022-11-20 10:43:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_open [2022-11-20 10:43:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure cas_interrupt [2022-11-20 10:43:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_interrupt [2022-11-20 10:43:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_tiny_free [2022-11-20 10:43:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_tiny_free [2022-11-20 10:43:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-20 10:43:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-20 10:43:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_map [2022-11-20 10:43:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_map [2022-11-20 10:43:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_init [2022-11-20 10:43:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_init [2022-11-20 10:43:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-20 10:43:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-20 10:43:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-11-20 10:43:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-11-20 10:43:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 10:43:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 10:43:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 10:43:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 10:43:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure cas_enable_irq [2022-11-20 10:43:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_enable_irq [2022-11-20 10:43:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 10:43:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 10:43:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 10:43:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 10:43:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_dequeue [2022-11-20 10:43:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_dequeue [2022-11-20 10:43:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-20 10:43:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-20 10:43:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 10:43:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 10:43:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 10:43:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 10:43:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:43:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:43:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 10:43:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 10:43:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:43:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2022-11-20 10:43:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2022-11-20 10:43:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2022-11-20 10:43:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2022-11-20 10:43:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-20 10:43:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-20 10:43:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:43:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:43:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_103 [2022-11-20 10:43:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_103 [2022-11-20 10:43:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:43:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:43:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_multicast [2022-11-20 10:43:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_multicast [2022-11-20 10:43:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 10:43:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 10:43:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 10:43:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 10:43:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_free [2022-11-20 10:43:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_free [2022-11-20 10:43:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_timeout [2022-11-20 10:43:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_timeout [2022-11-20 10:43:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 10:43:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 10:43:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_pcs_link_mode [2022-11-20 10:43:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_pcs_link_mode [2022-11-20 10:43:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 10:43:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 10:43:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure cas_close [2022-11-20 10:43:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_close [2022-11-20 10:43:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_swap [2022-11-20 10:43:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_swap [2022-11-20 10:43:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 10:43:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 10:43:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure cas_netpoll [2022-11-20 10:43:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_netpoll [2022-11-20 10:43:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure cas_hard_reset [2022-11-20 10:43:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_hard_reset [2022-11-20 10:43:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 10:43:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 10:43:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 10:43:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 10:43:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure cas_rxc_init [2022-11-20 10:43:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_rxc_init [2022-11-20 10:43:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 10:43:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 10:43:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:43:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:43:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clear_mac_err [2022-11-20 10:43:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clear_mac_err [2022-11-20 10:43:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 10:43:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 10:43:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 10:43:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 10:43:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 10:43:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 10:43:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 10:43:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 10:43:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-20 10:43:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-20 10:43:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure cas_remove_one [2022-11-20 10:43:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_remove_one [2022-11-20 10:43:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2022-11-20 10:43:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2022-11-20 10:43:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 10:43:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 10:43:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 10:43:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 10:43:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-20 10:43:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-20 10:43:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:43:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 10:43:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 10:43:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 10:43:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 10:43:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 10:43:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 10:43:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:43:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-20 10:43:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-20 10:43:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 10:43:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 10:43:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 10:43:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 10:43:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:43:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 10:43:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 10:43:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 10:43:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:43:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:43:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 10:43:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_link_modes [2022-11-20 10:43:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_link_modes [2022-11-20 10:43:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-20 10:43:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-20 10:43:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 10:43:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 10:43:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_mii_link_mode [2022-11-20 10:43:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_mii_link_mode [2022-11-20 10:43:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-20 10:43:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-20 10:43:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 10:43:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 10:43:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-20 10:43:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-20 10:43:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-11-20 10:43:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-11-20 10:43:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 10:43:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 10:43:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 10:43:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 10:43:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 10:43:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 10:43:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 10:43:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 10:43:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure csum_unfold [2022-11-20 10:43:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_unfold [2022-11-20 10:43:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 10:43:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 10:43:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure cas_entropy_gather [2022-11-20 10:43:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_entropy_gather [2022-11-20 10:43:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 10:43:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure cas_resume [2022-11-20 10:43:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_resume [2022-11-20 10:43:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:43:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:43:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:43:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:43:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_alloc [2022-11-20 10:43:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_alloc [2022-11-20 10:43:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:43:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:43:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:43:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:43:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:43:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:43:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_158 [2022-11-20 10:43:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_158 [2022-11-20 10:43:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 10:43:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 10:43:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mif_poll [2022-11-20 10:43:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mif_poll [2022-11-20 10:43:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 10:43:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 10:43:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure cas_unlock_tx [2022-11-20 10:43:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_unlock_tx [2022-11-20 10:43:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 10:43:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 10:43:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice [2022-11-20 10:43:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice [2022-11-20 10:43:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 10:43:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 10:43:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-11-20 10:43:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-11-20 10:43:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 10:43:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 10:43:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:43:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:43:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 10:43:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 10:43:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-20 10:43:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-20 10:43:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_buf [2022-11-20 10:43:53,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_buf [2022-11-20 10:43:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mac_reset [2022-11-20 10:43:53,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mac_reset [2022-11-20 10:43:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cas [2022-11-20 10:43:53,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cas [2022-11-20 10:43:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:43:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 10:43:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 10:43:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_set_page [2022-11-20 10:43:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_set_page [2022-11-20 10:43:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:43:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_regs_len [2022-11-20 10:43:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_regs_len [2022-11-20 10:43:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure cas_reset [2022-11-20 10:43:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_reset [2022-11-20 10:43:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2022-11-20 10:43:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2022-11-20 10:43:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-20 10:43:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-20 10:43:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:43:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:43:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_page [2022-11-20 10:43:53,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_page [2022-11-20 10:43:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:43:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:43:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:43:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-20 10:43:53,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-20 10:43:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure cas_nway_reset [2022-11-20 10:43:53,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_nway_reset [2022-11-20 10:43:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-11-20 10:43:53,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-11-20 10:43:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-20 10:43:53,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-20 10:43:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 10:43:53,551 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 10:43:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 10:43:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 10:43:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure cas_setup_multicast [2022-11-20 10:43:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_setup_multicast [2022-11-20 10:43:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_powerdown [2022-11-20 10:43:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_powerdown [2022-11-20 10:43:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_rxds_ringN [2022-11-20 10:43:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_rxds_ringN [2022-11-20 10:43:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-20 10:43:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-20 10:43:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure cas_vpd_match [2022-11-20 10:43:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_vpd_match [2022-11-20 10:43:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 10:43:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 10:43:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-11-20 10:43:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-11-20 10:43:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 10:43:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 10:43:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure page_count [2022-11-20 10:43:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure page_count [2022-11-20 10:43:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 10:43:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 10:43:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure cas_shutdown [2022-11-20 10:43:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_shutdown [2022-11-20 10:43:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure cas_begin_auto_negotiation [2022-11-20 10:43:53,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_begin_auto_negotiation [2022-11-20 10:43:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-20 10:43:53,555 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-20 10:43:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 10:43:53,555 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 10:43:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure cas_write_txd [2022-11-20 10:43:53,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_write_txd [2022-11-20 10:43:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:43:53,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:43:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_ref [2022-11-20 10:43:53,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_ref [2022-11-20 10:43:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:43:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 10:43:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:43:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:43:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:43:53,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:43:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2022-11-20 10:43:53,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2022-11-20 10:43:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_101 [2022-11-20 10:43:53,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_101 [2022-11-20 10:43:53,558 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 10:43:53,558 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 10:43:53,558 INFO L130 BoogieDeclarations]: Found specification of procedure cas_init_hw [2022-11-20 10:43:53,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_init_hw [2022-11-20 10:43:53,558 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clean_rings [2022-11-20 10:43:53,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clean_rings [2022-11-20 10:43:53,558 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_free [2022-11-20 10:43:53,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_free [2022-11-20 10:43:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-20 10:43:53,559 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-20 10:43:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_write [2022-11-20 10:43:53,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_write [2022-11-20 10:43:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 10:43:53,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 10:43:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 10:43:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 10:43:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-20 10:43:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-20 10:43:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_recover [2022-11-20 10:43:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_recover [2022-11-20 10:43:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-20 10:43:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-20 10:43:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 10:43:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 10:43:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_stats [2022-11-20 10:43:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_stats [2022-11-20 10:43:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 10:43:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 10:43:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-11-20 10:43:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-11-20 10:43:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 10:43:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 10:43:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_160 [2022-11-20 10:43:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_160 [2022-11-20 10:43:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-20 10:43:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-20 10:43:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-20 10:43:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-20 10:43:53,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2022-11-20 10:43:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2022-11-20 10:43:55,031 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:43:55,035 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:43:59,538 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:51:14,283 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 10:51:14,562 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:51:14,604 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:51:14,605 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 10:51:14,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:51:14 BoogieIcfgContainer [2022-11-20 10:51:14,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:51:14,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:51:14,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:51:14,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:51:14,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:43:44" (1/3) ... [2022-11-20 10:51:14,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296910db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:51:14, skipping insertion in model container [2022-11-20 10:51:14,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:43:52" (2/3) ... [2022-11-20 10:51:14,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296910db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:51:14, skipping insertion in model container [2022-11-20 10:51:14,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:51:14" (3/3) ... [2022-11-20 10:51:14,631 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-11-20 10:51:14,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:51:14,654 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 10:51:14,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:51:14,816 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;@27f6a55a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:51:14,816 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 10:51:14,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 3719 states, 2454 states have (on average 1.2885085574572128) internal successors, (3162), 2523 states have internal predecessors, (3162), 1096 states have call successors, (1096), 169 states have call predecessors, (1096), 168 states have return successors, (1091), 1079 states have call predecessors, (1091), 1091 states have call successors, (1091) [2022-11-20 10:51:14,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-20 10:51:14,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:51:14,901 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:51:14,903 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:51:14,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:51:14,912 INFO L85 PathProgramCache]: Analyzing trace with hash 109609459, now seen corresponding path program 1 times [2022-11-20 10:51:14,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:51:14,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841426677] [2022-11-20 10:51:14,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:51:14,941 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 10:51:14,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:51:14,950 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:51:14,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:51:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:51:19,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 3665 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:51:19,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:51:20,207 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2022-11-20 10:51:20,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:51:20,208 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:51:20,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841426677] [2022-11-20 10:51:20,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841426677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:51:20,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:51:20,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:51:20,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125749604] [2022-11-20 10:51:20,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:51:20,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:51:20,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:51:20,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:51:20,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:20,263 INFO L87 Difference]: Start difference. First operand has 3719 states, 2454 states have (on average 1.2885085574572128) internal successors, (3162), 2523 states have internal predecessors, (3162), 1096 states have call successors, (1096), 169 states have call predecessors, (1096), 168 states have return successors, (1091), 1079 states have call predecessors, (1091), 1091 states have call successors, (1091) Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 10:51:22,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:51:24,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:51:24,906 INFO L93 Difference]: Finished difference Result 9643 states and 13968 transitions. [2022-11-20 10:51:24,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:51:24,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 191 [2022-11-20 10:51:24,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:51:24,987 INFO L225 Difference]: With dead ends: 9643 [2022-11-20 10:51:24,987 INFO L226 Difference]: Without dead ends: 5878 [2022-11-20 10:51:25,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:25,030 INFO L413 NwaCegarLoop]: 5974 mSDtfsCounter, 3174 mSDsluCounter, 5230 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3174 SdHoareTripleChecker+Valid, 11204 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:51:25,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3174 Valid, 11204 Invalid, 86 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-20 10:51:25,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5878 states. [2022-11-20 10:51:25,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5878 to 5875. [2022-11-20 10:51:25,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5875 states, 3933 states have (on average 1.2832443427409101) internal successors, (5047), 4039 states have internal predecessors, (5047), 1645 states have call successors, (1645), 295 states have call predecessors, (1645), 295 states have return successors, (1645), 1626 states have call predecessors, (1645), 1645 states have call successors, (1645) [2022-11-20 10:51:25,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5875 states to 5875 states and 8337 transitions. [2022-11-20 10:51:25,614 INFO L78 Accepts]: Start accepts. Automaton has 5875 states and 8337 transitions. Word has length 191 [2022-11-20 10:51:25,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:51:25,617 INFO L495 AbstractCegarLoop]: Abstraction has 5875 states and 8337 transitions. [2022-11-20 10:51:25,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 10:51:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 5875 states and 8337 transitions. [2022-11-20 10:51:25,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-20 10:51:25,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:51:25,630 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 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] [2022-11-20 10:51:25,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:51:25,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:51:25,847 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:51:25,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:51:25,848 INFO L85 PathProgramCache]: Analyzing trace with hash -106904957, now seen corresponding path program 1 times [2022-11-20 10:51:25,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:51:25,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455175641] [2022-11-20 10:51:25,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:51:25,855 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 10:51:25,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:51:25,856 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:51:25,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:51:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:51:41,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 11101 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:51:41,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:51:41,616 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2022-11-20 10:51:41,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:51:41,617 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:51:41,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455175641] [2022-11-20 10:51:41,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455175641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:51:41,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:51:41,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:51:41,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618767169] [2022-11-20 10:51:41,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:51:41,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:51:41,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:51:41,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:51:41,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:41,622 INFO L87 Difference]: Start difference. First operand 5875 states and 8337 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 10:51:43,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:51:45,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:51:45,796 INFO L93 Difference]: Finished difference Result 17489 states and 24821 transitions. [2022-11-20 10:51:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:51:45,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 208 [2022-11-20 10:51:45,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:51:45,905 INFO L225 Difference]: With dead ends: 17489 [2022-11-20 10:51:45,906 INFO L226 Difference]: Without dead ends: 11643 [2022-11-20 10:51:45,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:51:45,946 INFO L413 NwaCegarLoop]: 6630 mSDtfsCounter, 5140 mSDsluCounter, 5145 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5140 SdHoareTripleChecker+Valid, 11775 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:51:45,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5140 Valid, 11775 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-20 10:51:45,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11643 states. [2022-11-20 10:51:46,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11643 to 11637. [2022-11-20 10:51:46,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11637 states, 7797 states have (on average 1.2838271129921766) internal successors, (10010), 8009 states have internal predecessors, (10010), 3249 states have call successors, (3249), 590 states have call predecessors, (3249), 589 states have return successors, (3254), 3207 states have call predecessors, (3254), 3249 states have call successors, (3254) [2022-11-20 10:51:46,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11637 states to 11637 states and 16513 transitions. [2022-11-20 10:51:46,922 INFO L78 Accepts]: Start accepts. Automaton has 11637 states and 16513 transitions. Word has length 208 [2022-11-20 10:51:46,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:51:46,923 INFO L495 AbstractCegarLoop]: Abstraction has 11637 states and 16513 transitions. [2022-11-20 10:51:46,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 10:51:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 11637 states and 16513 transitions. [2022-11-20 10:51:46,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-20 10:51:46,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:51:46,934 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 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] [2022-11-20 10:51:47,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:51:47,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:51:47,158 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:51:47,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:51:47,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1554502195, now seen corresponding path program 1 times [2022-11-20 10:51:47,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:51:47,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372833841] [2022-11-20 10:51:47,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:51:47,163 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 10:51:47,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:51:47,202 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:51:47,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:52:02,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 11163 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:52:02,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:52:03,134 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-11-20 10:52:03,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:52:03,135 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:52:03,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372833841] [2022-11-20 10:52:03,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372833841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:52:03,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:52:03,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:52:03,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484648364] [2022-11-20 10:52:03,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:52:03,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:52:03,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:52:03,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:52:03,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:52:03,138 INFO L87 Difference]: Start difference. First operand 11637 states and 16513 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 10:52:05,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:52:09,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:52:09,661 INFO L93 Difference]: Finished difference Result 31886 states and 45192 transitions. [2022-11-20 10:52:09,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:52:09,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 229 [2022-11-20 10:52:09,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:52:09,835 INFO L225 Difference]: With dead ends: 31886 [2022-11-20 10:52:09,835 INFO L226 Difference]: Without dead ends: 20278 [2022-11-20 10:52:09,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:52:09,914 INFO L413 NwaCegarLoop]: 6149 mSDtfsCounter, 4492 mSDsluCounter, 5104 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4492 SdHoareTripleChecker+Valid, 11253 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:52:09,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4492 Valid, 11253 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-20 10:52:09,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20278 states. [2022-11-20 10:52:11,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20278 to 20271. [2022-11-20 10:52:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20271 states, 13539 states have (on average 1.2835512223945638) internal successors, (17378), 13904 states have internal predecessors, (17378), 5652 states have call successors, (5652), 1080 states have call predecessors, (5652), 1078 states have return successors, (5665), 5583 states have call predecessors, (5665), 5652 states have call successors, (5665) [2022-11-20 10:52:11,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20271 states to 20271 states and 28695 transitions. [2022-11-20 10:52:11,603 INFO L78 Accepts]: Start accepts. Automaton has 20271 states and 28695 transitions. Word has length 229 [2022-11-20 10:52:11,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:52:11,605 INFO L495 AbstractCegarLoop]: Abstraction has 20271 states and 28695 transitions. [2022-11-20 10:52:11,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 10:52:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 20271 states and 28695 transitions. [2022-11-20 10:52:11,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-20 10:52:11,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:52:11,614 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:52:11,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:11,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:11,838 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:52:11,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:52:11,839 INFO L85 PathProgramCache]: Analyzing trace with hash -683252064, now seen corresponding path program 1 times [2022-11-20 10:52:11,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:52:11,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657776018] [2022-11-20 10:52:11,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:52:11,842 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 10:52:11,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:52:11,843 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:11,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:52:16,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 3805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:52:16,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:52:25,050 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2022-11-20 10:52:25,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:52:25,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:52:25,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657776018] [2022-11-20 10:52:25,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657776018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:52:25,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:52:25,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:52:25,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194283998] [2022-11-20 10:52:25,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:52:25,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:52:25,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:52:25,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:52:25,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:52:25,059 INFO L87 Difference]: Start difference. First operand 20271 states and 28695 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-20 10:52:26,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:52:26,416 INFO L93 Difference]: Finished difference Result 40513 states and 57349 transitions. [2022-11-20 10:52:26,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:52:26,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 253 [2022-11-20 10:52:26,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:52:26,526 INFO L225 Difference]: With dead ends: 40513 [2022-11-20 10:52:26,526 INFO L226 Difference]: Without dead ends: 20271 [2022-11-20 10:52:26,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:52:26,600 INFO L413 NwaCegarLoop]: 5218 mSDtfsCounter, 5156 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5156 SdHoareTripleChecker+Valid, 5218 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:52:26,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5156 Valid, 5218 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:52:26,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20271 states. [2022-11-20 10:52:28,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20271 to 20271. [2022-11-20 10:52:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20271 states, 13539 states have (on average 1.2829603368047862) internal successors, (17370), 13904 states have internal predecessors, (17370), 5652 states have call successors, (5652), 1080 states have call predecessors, (5652), 1078 states have return successors, (5665), 5583 states have call predecessors, (5665), 5652 states have call successors, (5665) [2022-11-20 10:52:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20271 states to 20271 states and 28687 transitions. [2022-11-20 10:52:28,200 INFO L78 Accepts]: Start accepts. Automaton has 20271 states and 28687 transitions. Word has length 253 [2022-11-20 10:52:28,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:52:28,201 INFO L495 AbstractCegarLoop]: Abstraction has 20271 states and 28687 transitions. [2022-11-20 10:52:28,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-20 10:52:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 20271 states and 28687 transitions. [2022-11-20 10:52:28,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-20 10:52:28,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:52:28,211 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:52:28,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:28,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:28,429 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:52:28,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:52:28,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1714218466, now seen corresponding path program 1 times [2022-11-20 10:52:28,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:52:28,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129583273] [2022-11-20 10:52:28,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:52:28,432 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 10:52:28,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:52:28,433 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:28,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:52:33,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 3805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:52:33,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:52:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-11-20 10:52:36,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:52:36,025 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:52:36,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129583273] [2022-11-20 10:52:36,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129583273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:52:36,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:52:36,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:52:36,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630004018] [2022-11-20 10:52:36,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:52:36,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:52:36,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:52:36,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:52:36,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:52:36,030 INFO L87 Difference]: Start difference. First operand 20271 states and 28687 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 10:52:38,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:52:42,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:52:42,840 INFO L93 Difference]: Finished difference Result 47362 states and 66915 transitions. [2022-11-20 10:52:42,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:52:42,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 253 [2022-11-20 10:52:42,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:52:42,999 INFO L225 Difference]: With dead ends: 47362 [2022-11-20 10:52:42,999 INFO L226 Difference]: Without dead ends: 27120 [2022-11-20 10:52:43,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:52:43,083 INFO L413 NwaCegarLoop]: 8309 mSDtfsCounter, 3088 mSDsluCounter, 5154 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3088 SdHoareTripleChecker+Valid, 13463 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:52:43,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3088 Valid, 13463 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-20 10:52:43,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27120 states. [2022-11-20 10:52:45,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27120 to 27114. [2022-11-20 10:52:45,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27114 states, 18202 states have (on average 1.2850785627952972) internal successors, (23391), 18682 states have internal predecessors, (23391), 7400 states have call successors, (7400), 1512 states have call predecessors, (7400), 1510 states have return successors, (7413), 7313 states have call predecessors, (7413), 7400 states have call successors, (7413) [2022-11-20 10:52:45,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27114 states to 27114 states and 38204 transitions. [2022-11-20 10:52:45,326 INFO L78 Accepts]: Start accepts. Automaton has 27114 states and 38204 transitions. Word has length 253 [2022-11-20 10:52:45,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:52:45,327 INFO L495 AbstractCegarLoop]: Abstraction has 27114 states and 38204 transitions. [2022-11-20 10:52:45,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 10:52:45,328 INFO L276 IsEmpty]: Start isEmpty. Operand 27114 states and 38204 transitions. [2022-11-20 10:52:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-20 10:52:45,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:52:45,341 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 12, 12, 12, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:52:45,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:45,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:45,566 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:52:45,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:52:45,567 INFO L85 PathProgramCache]: Analyzing trace with hash 608648007, now seen corresponding path program 1 times [2022-11-20 10:52:45,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:52:45,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997229108] [2022-11-20 10:52:45,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:52:45,572 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 10:52:45,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:52:45,573 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:45,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:52:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:52:51,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 3945 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:52:51,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:52:52,506 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2022-11-20 10:52:52,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:52:52,507 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:52:52,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997229108] [2022-11-20 10:52:52,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997229108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:52:52,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:52:52,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:52:52,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257228254] [2022-11-20 10:52:52,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:52:52,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:52:52,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:52:52,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:52:52,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:52:52,511 INFO L87 Difference]: Start difference. First operand 27114 states and 38204 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 10:52:54,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:52:58,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:52:58,877 INFO L93 Difference]: Finished difference Result 61026 states and 85905 transitions. [2022-11-20 10:52:58,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:52:58,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 327 [2022-11-20 10:52:58,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:52:59,068 INFO L225 Difference]: With dead ends: 61026 [2022-11-20 10:52:59,068 INFO L226 Difference]: Without dead ends: 33941 [2022-11-20 10:52:59,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:52:59,199 INFO L413 NwaCegarLoop]: 8318 mSDtfsCounter, 3100 mSDsluCounter, 5161 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 13479 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:52:59,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3100 Valid, 13479 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-11-20 10:52:59,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33941 states. [2022-11-20 10:53:01,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33941 to 33935. [2022-11-20 10:53:01,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33935 states, 22849 states have (on average 1.2865333274979212) internal successors, (29396), 23444 states have internal predecessors, (29396), 9142 states have call successors, (9142), 1944 states have call predecessors, (9142), 1942 states have return successors, (9155), 9037 states have call predecessors, (9155), 9142 states have call successors, (9155) [2022-11-20 10:53:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33935 states to 33935 states and 47693 transitions. [2022-11-20 10:53:01,776 INFO L78 Accepts]: Start accepts. Automaton has 33935 states and 47693 transitions. Word has length 327 [2022-11-20 10:53:01,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:53:01,778 INFO L495 AbstractCegarLoop]: Abstraction has 33935 states and 47693 transitions. [2022-11-20 10:53:01,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 10:53:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 33935 states and 47693 transitions. [2022-11-20 10:53:01,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-20 10:53:01,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:53:01,795 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 12, 12, 12, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:53:01,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:53:02,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:53:02,011 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:53:02,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:53:02,012 INFO L85 PathProgramCache]: Analyzing trace with hash 649322757, now seen corresponding path program 1 times [2022-11-20 10:53:02,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:53:02,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2081511468] [2022-11-20 10:53:02,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:53:02,017 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 10:53:02,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:53:02,019 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:53:02,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:53:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:53:07,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 3945 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:53:07,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:53:09,319 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2022-11-20 10:53:09,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:53:09,319 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:53:09,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2081511468] [2022-11-20 10:53:09,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2081511468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:53:09,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:53:09,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:53:09,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618383581] [2022-11-20 10:53:09,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:53:09,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:53:09,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:53:09,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:53:09,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:53:09,322 INFO L87 Difference]: Start difference. First operand 33935 states and 47693 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 10:53:11,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:53:16,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:53:16,514 INFO L93 Difference]: Finished difference Result 77817 states and 109472 transitions. [2022-11-20 10:53:16,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:53:16,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 327 [2022-11-20 10:53:16,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:53:16,724 INFO L225 Difference]: With dead ends: 77817 [2022-11-20 10:53:16,724 INFO L226 Difference]: Without dead ends: 43911 [2022-11-20 10:53:16,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:53:16,853 INFO L413 NwaCegarLoop]: 9341 mSDtfsCounter, 4731 mSDsluCounter, 4582 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4731 SdHoareTripleChecker+Valid, 13923 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:53:16,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4731 Valid, 13923 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 64 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-20 10:53:16,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43911 states. [2022-11-20 10:53:19,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43911 to 43905. [2022-11-20 10:53:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43905 states, 29480 states have (on average 1.2831071913161465) internal successors, (37826), 30239 states have internal predecessors, (37826), 11960 states have call successors, (11960), 2465 states have call predecessors, (11960), 2463 states have return successors, (11973), 11831 states have call predecessors, (11973), 11960 states have call successors, (11973) [2022-11-20 10:53:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43905 states to 43905 states and 61759 transitions. [2022-11-20 10:53:20,143 INFO L78 Accepts]: Start accepts. Automaton has 43905 states and 61759 transitions. Word has length 327 [2022-11-20 10:53:20,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:53:20,144 INFO L495 AbstractCegarLoop]: Abstraction has 43905 states and 61759 transitions. [2022-11-20 10:53:20,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 10:53:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 43905 states and 61759 transitions. [2022-11-20 10:53:20,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-11-20 10:53:20,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:53:20,166 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 12, 12, 12, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:53:20,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:53:20,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:53:20,383 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:53:20,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:53:20,383 INFO L85 PathProgramCache]: Analyzing trace with hash 581116741, now seen corresponding path program 1 times [2022-11-20 10:53:20,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:53:20,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874909988] [2022-11-20 10:53:20,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:53:20,388 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 10:53:20,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:53:20,390 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:53:20,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:53:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:53:26,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 4211 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:53:26,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:53:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2022-11-20 10:53:27,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:53:27,558 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:53:27,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874909988] [2022-11-20 10:53:27,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [874909988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:53:27,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:53:27,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:53:27,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335119054] [2022-11-20 10:53:27,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:53:27,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:53:27,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:53:27,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:53:27,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:53:27,562 INFO L87 Difference]: Start difference. First operand 43905 states and 61759 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-20 10:53:29,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:53:35,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:53:35,803 INFO L93 Difference]: Finished difference Result 94606 states and 133019 transitions. [2022-11-20 10:53:35,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:53:35,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 383 [2022-11-20 10:53:35,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:53:36,066 INFO L225 Difference]: With dead ends: 94606 [2022-11-20 10:53:36,067 INFO L226 Difference]: Without dead ends: 50730 [2022-11-20 10:53:36,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:53:36,283 INFO L413 NwaCegarLoop]: 7911 mSDtfsCounter, 3102 mSDsluCounter, 5160 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 13071 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:53:36,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 13071 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 64 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-20 10:53:36,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50730 states. [2022-11-20 10:53:39,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50730 to 50724. [2022-11-20 10:53:39,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50724 states, 34127 states have (on average 1.2843496351862163) internal successors, (43831), 35001 states have internal predecessors, (43831), 13702 states have call successors, (13702), 2895 states have call predecessors, (13702), 2893 states have return successors, (13715), 13555 states have call predecessors, (13715), 13702 states have call successors, (13715) [2022-11-20 10:53:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50724 states to 50724 states and 71248 transitions. [2022-11-20 10:53:39,321 INFO L78 Accepts]: Start accepts. Automaton has 50724 states and 71248 transitions. Word has length 383 [2022-11-20 10:53:39,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:53:39,322 INFO L495 AbstractCegarLoop]: Abstraction has 50724 states and 71248 transitions. [2022-11-20 10:53:39,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-20 10:53:39,322 INFO L276 IsEmpty]: Start isEmpty. Operand 50724 states and 71248 transitions. [2022-11-20 10:53:39,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-11-20 10:53:39,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:53:39,340 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 12, 12, 12, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:53:39,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:53:39,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:53:39,562 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:53:39,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:53:39,563 INFO L85 PathProgramCache]: Analyzing trace with hash 621791491, now seen corresponding path program 1 times [2022-11-20 10:53:39,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:53:39,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369844397] [2022-11-20 10:53:39,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:53:39,566 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 10:53:39,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:53:39,567 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:53:39,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f0d4fa-4f8b-4a26-9e44-eb9abb9335cf/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 10:53:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:53:45,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 4211 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:53:45,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:53:46,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2022-11-20 10:53:46,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:53:46,850 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:53:46,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369844397] [2022-11-20 10:53:46,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369844397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:53:46,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:53:46,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:53:46,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411087959] [2022-11-20 10:53:46,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:53:46,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:53:46,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:53:46,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:53:46,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:53:46,854 INFO L87 Difference]: Start difference. First operand 50724 states and 71248 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-20 10:53:49,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []