./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a --- 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 10:46:33,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:46:33,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:46:33,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:46:33,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:46:33,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:46:33,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:46:33,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:46:33,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:46:33,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:46:33,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:46:33,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:46:33,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:46:33,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:46:33,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:46:33,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:46:33,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:46:33,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:46:33,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:46:33,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:46:33,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:46:33,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:46:33,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:46:33,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:46:33,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:46:33,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:46:33,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:46:33,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:46:33,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:46:33,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:46:33,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:46:33,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:46:33,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:46:33,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:46:33,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:46:33,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:46:33,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:46:33,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:46:33,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:46:33,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:46:33,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:46:33,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:46:33,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:46:33,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:46:33,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:46:33,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:46:33,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:46:33,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:46:33,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:46:33,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:46:33,512 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:46:33,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:46:33,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:46:33,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:46:33,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:46:33,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:46:33,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:46:33,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:46:33,514 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:46:33,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:46:33,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:46:33,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:46:33,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:46:33,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:33,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:46:33,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:46:33,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:46:33,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:46:33,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:46:33,517 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:46:33,517 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:46:33,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:46:33,518 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a [2022-11-20 10:46:33,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:46:33,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:46:33,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:46:33,817 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:46:33,817 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:46:33,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-20 10:46:37,040 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:46:37,878 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:46:37,879 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-20 10:46:37,942 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/data/b93af1c3d/9051a47552654f52afc805201f17522f/FLAG9ab0a21fd [2022-11-20 10:46:37,963 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/data/b93af1c3d/9051a47552654f52afc805201f17522f [2022-11-20 10:46:37,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:46:37,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:46:37,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:37,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:46:37,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:46:37,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:37" (1/1) ... [2022-11-20 10:46:37,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a36346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:37, skipping insertion in model container [2022-11-20 10:46:37,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:37" (1/1) ... [2022-11-20 10:46:37,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:46:38,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:46:38,900 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 10:46:38,911 INFO L158 Benchmark]: Toolchain (without parser) took 941.38ms. Allocated memory is still 199.2MB. Free memory was 145.0MB in the beginning and 128.3MB in the end (delta: 16.7MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2022-11-20 10:46:38,911 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:46:38,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 937.24ms. Allocated memory is still 199.2MB. Free memory was 144.3MB in the beginning and 128.3MB in the end (delta: 16.0MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2022-11-20 10:46:38,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 937.24ms. Allocated memory is still 199.2MB. Free memory was 144.3MB in the beginning and 128.3MB in the end (delta: 16.0MB). Peak memory consumption was 58.8MB. 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a --- 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 10:46:41,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:46:41,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:46:41,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:46:41,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:46:41,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:46:41,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:46:41,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:46:41,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:46:41,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:46:41,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:46:41,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:46:41,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:46:41,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:46:41,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:46:41,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:46:41,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:46:41,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:46:41,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:46:41,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:46:41,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:46:41,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:46:41,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:46:41,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:46:41,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:46:41,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:46:41,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:46:41,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:46:41,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:46:41,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:46:41,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:46:41,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:46:41,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:46:41,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:46:41,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:46:41,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:46:41,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:46:41,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:46:41,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:46:41,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:46:41,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:46:41,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:46:41,446 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:46:41,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:46:41,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:46:41,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:46:41,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:46:41,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:46:41,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:46:41,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:46:41,452 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:46:41,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:46:41,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:46:41,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:46:41,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:46:41,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:46:41,454 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:46:41,454 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:46:41,454 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:46:41,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:46:41,455 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:46:41,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:46:41,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:46:41,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:46:41,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:46:41,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:41,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:46:41,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:46:41,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:46:41,457 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:46:41,457 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:46:41,457 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:46:41,457 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:46:41,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:46:41,458 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:46:41,458 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a [2022-11-20 10:46:41,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:46:41,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:46:41,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:46:41,897 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:46:41,897 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:46:41,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-20 10:46:45,048 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:46:45,839 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:46:45,840 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-20 10:46:45,918 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/data/766f94939/14db5c2057d34136bb3e10fd966795e0/FLAGbe7fc479d [2022-11-20 10:46:45,940 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/data/766f94939/14db5c2057d34136bb3e10fd966795e0 [2022-11-20 10:46:45,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:46:45,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:46:45,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:45,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:46:45,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:46:45,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:45" (1/1) ... [2022-11-20 10:46:45,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14cd4390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:45, skipping insertion in model container [2022-11-20 10:46:45,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:45" (1/1) ... [2022-11-20 10:46:45,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:46:46,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:46:51,904 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-11-20 10:46:51,915 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-11-20 10:46:51,916 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-11-20 10:46:51,917 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-11-20 10:46:51,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:52,010 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:46:52,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:46:52,772 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-11-20 10:46:52,787 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-11-20 10:46:52,787 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-11-20 10:46:52,788 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-11-20 10:46:52,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:52,831 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:46:53,552 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-11-20 10:46:53,553 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-11-20 10:46:53,553 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-11-20 10:46:53,554 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_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-11-20 10:46:53,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:53,945 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:46:53,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53 WrapperNode [2022-11-20 10:46:53,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:53,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:53,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:46:53,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:46:53,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,371 INFO L138 Inliner]: procedures = 714, calls = 4066, calls flagged for inlining = 372, calls inlined = 346, statements flattened = 9861 [2022-11-20 10:46:54,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:54,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:46:54,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:46:54,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:46:54,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,728 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:46:54,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:46:54,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:46:54,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:46:54,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (1/1) ... [2022-11-20 10:46:54,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:54,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:46:54,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:46:54,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:46:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-11-20 10:46:54,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-11-20 10:46:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 10:46:54,928 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 10:46:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-20 10:46:54,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-20 10:46:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-11-20 10:46:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-11-20 10:46:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-20 10:46:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-20 10:46:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-11-20 10:46:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-11-20 10:46:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 10:46:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 10:46:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 10:46:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 10:46:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-20 10:46:54,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-20 10:46:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-20 10:46:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-20 10:46:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:46:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:46:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-11-20 10:46:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-11-20 10:46:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 10:46:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 10:46:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 10:46:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 10:46:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 10:46:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 10:46:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 10:46:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 10:46:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-11-20 10:46:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-11-20 10:46:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 10:46:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 10:46:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 10:46:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 10:46:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-11-20 10:46:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-11-20 10:46:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-11-20 10:46:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-11-20 10:46:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-11-20 10:46:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-11-20 10:46:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 10:46:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 10:46:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 10:46:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 10:46:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 10:46:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 10:46:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 10:46:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 10:46:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 10:46:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 10:46:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 10:46:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 10:46:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:46:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:46:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-20 10:46:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-20 10:46:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 10:46:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 10:46:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:46:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 10:46:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 10:46:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-11-20 10:46:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-11-20 10:46:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:46:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:46:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:46:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:46:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-20 10:46:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-20 10:46:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 10:46:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 10:46:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-11-20 10:46:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-11-20 10:46:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 10:46:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 10:46:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-11-20 10:46:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-11-20 10:46:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-11-20 10:46:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-11-20 10:46:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-11-20 10:46:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-11-20 10:46:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-11-20 10:46:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-11-20 10:46:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 10:46:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 10:46:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 10:46:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 10:46:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-11-20 10:46:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-11-20 10:46:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 10:46:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 10:46:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 10:46:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 10:46:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 10:46:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 10:46:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:46:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:46:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 10:46:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 10:46:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 10:46:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 10:46:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 10:46:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 10:46:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 10:46:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 10:46:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 10:46:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 10:46:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-11-20 10:46:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-11-20 10:46:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 10:46:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 10:46:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:46:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 10:46:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 10:46:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 10:46:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 10:46:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 10:46:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 10:46:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-20 10:46:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-20 10:46:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:46:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 10:46:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 10:46:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 10:46:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 10:46:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 10:46:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 10:46:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:46:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-11-20 10:46:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-11-20 10:46:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-20 10:46:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-20 10:46:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 10:46:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 10:46:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 10:46:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:46:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:46:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 10:46:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-20 10:46:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-20 10:46:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-20 10:46:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-20 10:46:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 10:46:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 10:46:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-11-20 10:46:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-11-20 10:46:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-11-20 10:46:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-11-20 10:46:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 10:46:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 10:46:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 10:46:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 10:46:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 10:46:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 10:46:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-11-20 10:46:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-11-20 10:46:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 10:46:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 10:46:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-11-20 10:46:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-11-20 10:46:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-20 10:46:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-20 10:46:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-11-20 10:46:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-11-20 10:46:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-11-20 10:46:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-11-20 10:46:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-11-20 10:46:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-11-20 10:46:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 10:46:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 10:46:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 10:46:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 10:46:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 10:46:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-11-20 10:46:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-11-20 10:46:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-11-20 10:46:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-11-20 10:46:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-11-20 10:46:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-11-20 10:46:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-11-20 10:46:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-11-20 10:46:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:46:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:46:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 10:46:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 10:46:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-20 10:46:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-20 10:46:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:46:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 10:46:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 10:46:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:46:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:46:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:46:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:46:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:46:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:46:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:46:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 10:46:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 10:46:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 10:46:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 10:46:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-20 10:46:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-20 10:46:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-11-20 10:46:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-11-20 10:46:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 10:46:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 10:46:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 10:46:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 10:46:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-11-20 10:46:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-11-20 10:46:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-11-20 10:46:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-11-20 10:46:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 10:46:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 10:46:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-20 10:46:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-20 10:46:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 10:46:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 10:46:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-11-20 10:46:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-11-20 10:46:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-11-20 10:46:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-11-20 10:46:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 10:46:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 10:46:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:46:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:46:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-11-20 10:46:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-11-20 10:46:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 10:46:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 10:46:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-11-20 10:46:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-11-20 10:46:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-20 10:46:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-20 10:46:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 10:46:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 10:46:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:46:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 10:46:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 10:46:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-11-20 10:46:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-11-20 10:46:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-11-20 10:46:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-11-20 10:46:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 10:46:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 10:46:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:46:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-11-20 10:46:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-11-20 10:46:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 10:46:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 10:46:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:46:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:46:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-11-20 10:46:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-11-20 10:46:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:46:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:46:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:46:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 10:46:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 10:46:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-11-20 10:46:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-11-20 10:46:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 10:46:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 10:46:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 10:46:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 10:46:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-11-20 10:46:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-11-20 10:46:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 10:46:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 10:46:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 10:46:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 10:46:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 10:46:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 10:46:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-11-20 10:46:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-11-20 10:46:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-20 10:46:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-20 10:46:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-11-20 10:46:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-11-20 10:46:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-11-20 10:46:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-11-20 10:46:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-11-20 10:46:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-11-20 10:46:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-11-20 10:46:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-11-20 10:46:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 10:46:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 10:46:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 10:46:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 10:46:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-20 10:46:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-20 10:46:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-20 10:46:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-20 10:46:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-20 10:46:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-20 10:46:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:46:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:46:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-11-20 10:46:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-11-20 10:46:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 10:46:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 10:46:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-11-20 10:46:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-11-20 10:46:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-11-20 10:46:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-11-20 10:46:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-20 10:46:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-20 10:46:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:46:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:46:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-11-20 10:46:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-11-20 10:46:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-11-20 10:46:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-11-20 10:46:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:46:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 10:46:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:46:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:46:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:46:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:46:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-11-20 10:46:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-11-20 10:46:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 10:46:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 10:46:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 10:46:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 10:46:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-11-20 10:46:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-11-20 10:46:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 10:46:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 10:46:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-11-20 10:46:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-11-20 10:46:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-11-20 10:46:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-11-20 10:46:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-20 10:46:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-20 10:46:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-11-20 10:46:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-11-20 10:46:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 10:46:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 10:46:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 10:46:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 10:46:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-11-20 10:46:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-11-20 10:46:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-11-20 10:46:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-11-20 10:46:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-20 10:46:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-20 10:46:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-20 10:46:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-20 10:46:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 10:46:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 10:46:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-11-20 10:46:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-11-20 10:46:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 10:46:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 10:46:56,815 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:46:56,820 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:46:57,197 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:48:06,153 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 10:48:06,515 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:48:06,552 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:48:06,552 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:48:06,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:48:06 BoogieIcfgContainer [2022-11-20 10:48:06,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:48:06,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:48:06,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:48:06,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:48:06,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:46:45" (1/3) ... [2022-11-20 10:48:06,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53177648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:48:06, skipping insertion in model container [2022-11-20 10:48:06,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:53" (2/3) ... [2022-11-20 10:48:06,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53177648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:48:06, skipping insertion in model container [2022-11-20 10:48:06,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:48:06" (3/3) ... [2022-11-20 10:48:06,582 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-20 10:48:06,607 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:48:06,607 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 10:48:06,791 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:48:06,806 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;@4a1affd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:48:06,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-20 10:48:06,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 4029 states, 2724 states have (on average 1.262848751835536) internal successors, (3440), 2764 states have internal predecessors, (3440), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) [2022-11-20 10:48:06,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-20 10:48:06,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:06,893 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:06,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:48:06,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:06,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1306335149, now seen corresponding path program 1 times [2022-11-20 10:48:06,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:48:06,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560417392] [2022-11-20 10:48:06,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:06,933 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 10:48:06,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:48:06,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:06,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:09,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:48:09,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-11-20 10:48:09,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:48:09,833 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:48:09,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560417392] [2022-11-20 10:48:09,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560417392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:09,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:48:09,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:48:09,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412992372] [2022-11-20 10:48:09,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:09,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:48:09,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:48:09,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:48:09,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:48:09,905 INFO L87 Difference]: Start difference. First operand has 4029 states, 2724 states have (on average 1.262848751835536) internal successors, (3440), 2764 states have internal predecessors, (3440), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 10:48:10,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:10,838 INFO L93 Difference]: Finished difference Result 11898 states and 17129 transitions. [2022-11-20 10:48:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:48:10,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 216 [2022-11-20 10:48:10,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:10,934 INFO L225 Difference]: With dead ends: 11898 [2022-11-20 10:48:10,934 INFO L226 Difference]: Without dead ends: 7888 [2022-11-20 10:48:10,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:48:10,979 INFO L413 NwaCegarLoop]: 6973 mSDtfsCounter, 5626 mSDsluCounter, 5571 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5626 SdHoareTripleChecker+Valid, 12544 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:10,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5626 Valid, 12544 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:48:11,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7888 states. [2022-11-20 10:48:11,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7888 to 7855. [2022-11-20 10:48:11,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7855 states, 5342 states have (on average 1.2588918008236616) internal successors, (6725), 5426 states have internal predecessors, (6725), 2189 states have call successors, (2189), 324 states have call predecessors, (2189), 320 states have return successors, (2215), 2156 states have call predecessors, (2215), 2185 states have call successors, (2215) [2022-11-20 10:48:11,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7855 states to 7855 states and 11129 transitions. [2022-11-20 10:48:11,893 INFO L78 Accepts]: Start accepts. Automaton has 7855 states and 11129 transitions. Word has length 216 [2022-11-20 10:48:11,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:11,899 INFO L495 AbstractCegarLoop]: Abstraction has 7855 states and 11129 transitions. [2022-11-20 10:48:11,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 10:48:11,900 INFO L276 IsEmpty]: Start isEmpty. Operand 7855 states and 11129 transitions. [2022-11-20 10:48:11,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-20 10:48:11,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:11,912 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:11,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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)] Ended with exit code 0 [2022-11-20 10:48:12,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:12,131 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:48:12,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:12,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1079310769, now seen corresponding path program 1 times [2022-11-20 10:48:12,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:48:12,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962725693] [2022-11-20 10:48:12,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:12,135 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 10:48:12,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:48:12,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:12,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:14,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 1730 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:48:14,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-11-20 10:48:15,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:48:15,070 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:48:15,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962725693] [2022-11-20 10:48:15,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962725693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:15,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:48:15,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:48:15,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811679805] [2022-11-20 10:48:15,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:15,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:48:15,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:48:15,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:48:15,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:48:15,074 INFO L87 Difference]: Start difference. First operand 7855 states and 11129 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 10:48:16,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:16,730 INFO L93 Difference]: Finished difference Result 23340 states and 33072 transitions. [2022-11-20 10:48:16,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:48:16,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 217 [2022-11-20 10:48:16,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:16,878 INFO L225 Difference]: With dead ends: 23340 [2022-11-20 10:48:16,878 INFO L226 Difference]: Without dead ends: 15524 [2022-11-20 10:48:16,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:48:16,934 INFO L413 NwaCegarLoop]: 6741 mSDtfsCounter, 5489 mSDsluCounter, 5599 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5489 SdHoareTripleChecker+Valid, 12340 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:16,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5489 Valid, 12340 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 10:48:16,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15524 states. [2022-11-20 10:48:18,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15524 to 15518. [2022-11-20 10:48:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15518 states, 10573 states have (on average 1.2592452473281) internal successors, (13314), 10732 states have internal predecessors, (13314), 4304 states have call successors, (4304), 644 states have call predecessors, (4304), 637 states have return successors, (4360), 4245 states have call predecessors, (4360), 4300 states have call successors, (4360) [2022-11-20 10:48:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15518 states to 15518 states and 21978 transitions. [2022-11-20 10:48:18,445 INFO L78 Accepts]: Start accepts. Automaton has 15518 states and 21978 transitions. Word has length 217 [2022-11-20 10:48:18,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:18,447 INFO L495 AbstractCegarLoop]: Abstraction has 15518 states and 21978 transitions. [2022-11-20 10:48:18,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 10:48:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 15518 states and 21978 transitions. [2022-11-20 10:48:18,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-20 10:48:18,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:18,483 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:18,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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)] Ended with exit code 0 [2022-11-20 10:48:18,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:18,699 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:48:18,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:18,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1096081914, now seen corresponding path program 1 times [2022-11-20 10:48:18,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:48:18,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009025792] [2022-11-20 10:48:18,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:18,703 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 10:48:18,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:48:18,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:18,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:21,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 1820 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:48:21,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-11-20 10:48:21,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:48:21,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:48:21,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009025792] [2022-11-20 10:48:21,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2009025792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:21,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:48:21,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:48:21,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885084741] [2022-11-20 10:48:21,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:21,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:48:21,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:48:21,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:48:21,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:48:21,601 INFO L87 Difference]: Start difference. First operand 15518 states and 21978 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 10:48:23,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:23,860 INFO L93 Difference]: Finished difference Result 46152 states and 65734 transitions. [2022-11-20 10:48:23,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:48:23,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 236 [2022-11-20 10:48:23,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:24,112 INFO L225 Difference]: With dead ends: 46152 [2022-11-20 10:48:24,112 INFO L226 Difference]: Without dead ends: 30673 [2022-11-20 10:48:24,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:48:24,213 INFO L413 NwaCegarLoop]: 6781 mSDtfsCounter, 5604 mSDsluCounter, 5560 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5604 SdHoareTripleChecker+Valid, 12341 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:24,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5604 Valid, 12341 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:48:24,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30673 states. [2022-11-20 10:48:27,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30673 to 30634. [2022-11-20 10:48:27,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30634 states, 20895 states have (on average 1.2602057908590572) internal successors, (26332), 21218 states have internal predecessors, (26332), 8480 states have call successors, (8480), 1278 states have call predecessors, (8480), 1255 states have return successors, (8934), 8337 states have call predecessors, (8934), 8476 states have call successors, (8934) [2022-11-20 10:48:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30634 states to 30634 states and 43746 transitions. [2022-11-20 10:48:27,332 INFO L78 Accepts]: Start accepts. Automaton has 30634 states and 43746 transitions. Word has length 236 [2022-11-20 10:48:27,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:27,333 INFO L495 AbstractCegarLoop]: Abstraction has 30634 states and 43746 transitions. [2022-11-20 10:48:27,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 10:48:27,334 INFO L276 IsEmpty]: Start isEmpty. Operand 30634 states and 43746 transitions. [2022-11-20 10:48:27,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-20 10:48:27,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:27,347 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:27,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:27,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:27,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:48:27,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:27,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1934323809, now seen corresponding path program 1 times [2022-11-20 10:48:27,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:48:27,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124739398] [2022-11-20 10:48:27,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:27,567 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 10:48:27,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:48:27,568 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:27,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:29,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:48:29,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-11-20 10:48:30,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:48:30,085 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:48:30,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [124739398] [2022-11-20 10:48:30,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [124739398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:30,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:48:30,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:48:30,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866002821] [2022-11-20 10:48:30,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:30,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:48:30,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:48:30,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:48:30,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:48:30,088 INFO L87 Difference]: Start difference. First operand 30634 states and 43746 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 10:48:33,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:33,713 INFO L93 Difference]: Finished difference Result 83928 states and 119663 transitions. [2022-11-20 10:48:33,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:48:33,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 242 [2022-11-20 10:48:33,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:34,394 INFO L225 Difference]: With dead ends: 83928 [2022-11-20 10:48:34,394 INFO L226 Difference]: Without dead ends: 53333 [2022-11-20 10:48:34,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:48:34,550 INFO L413 NwaCegarLoop]: 6490 mSDtfsCounter, 4154 mSDsluCounter, 5544 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4154 SdHoareTripleChecker+Valid, 12034 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:34,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4154 Valid, 12034 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 10:48:34,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53333 states. [2022-11-20 10:48:39,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53333 to 53294. [2022-11-20 10:48:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53294 states, 36271 states have (on average 1.258967218990378) internal successors, (45664), 36852 states have internal predecessors, (45664), 14656 states have call successors, (14656), 2410 states have call predecessors, (14656), 2363 states have return successors, (15562), 14371 states have call predecessors, (15562), 14652 states have call successors, (15562) [2022-11-20 10:48:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53294 states to 53294 states and 75882 transitions. [2022-11-20 10:48:39,802 INFO L78 Accepts]: Start accepts. Automaton has 53294 states and 75882 transitions. Word has length 242 [2022-11-20 10:48:39,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:39,804 INFO L495 AbstractCegarLoop]: Abstraction has 53294 states and 75882 transitions. [2022-11-20 10:48:39,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 10:48:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 53294 states and 75882 transitions. [2022-11-20 10:48:39,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-20 10:48:39,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:39,815 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 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] [2022-11-20 10:48:39,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:40,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:40,031 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:48:40,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:40,031 INFO L85 PathProgramCache]: Analyzing trace with hash 667060692, now seen corresponding path program 1 times [2022-11-20 10:48:40,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:48:40,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888222482] [2022-11-20 10:48:40,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:40,034 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 10:48:40,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:48:40,036 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:40,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:43,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 1792 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:48:43,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-11-20 10:48:43,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:48:43,240 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:48:43,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888222482] [2022-11-20 10:48:43,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888222482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:43,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:48:43,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:48:43,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869433108] [2022-11-20 10:48:43,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:43,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:48:43,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:48:43,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:48:43,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:48:43,244 INFO L87 Difference]: Start difference. First operand 53294 states and 75882 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 10:48:47,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:47,535 INFO L93 Difference]: Finished difference Result 120370 states and 171250 transitions. [2022-11-20 10:48:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:48:47,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2022-11-20 10:48:47,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:48,088 INFO L225 Difference]: With dead ends: 120370 [2022-11-20 10:48:48,089 INFO L226 Difference]: Without dead ends: 67115 [2022-11-20 10:48:48,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:48:48,387 INFO L413 NwaCegarLoop]: 6872 mSDtfsCounter, 5574 mSDsluCounter, 5644 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5574 SdHoareTripleChecker+Valid, 12516 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:48,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5574 Valid, 12516 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:48:48,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67115 states. [2022-11-20 10:48:54,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67115 to 67068. [2022-11-20 10:48:54,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67068 states, 45622 states have (on average 1.2580553241857) internal successors, (57395), 46374 states have internal predecessors, (57395), 18446 states have call successors, (18446), 3052 states have call predecessors, (18446), 2996 states have return successors, (19489), 18071 states have call predecessors, (19489), 18442 states have call successors, (19489) [2022-11-20 10:48:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67068 states to 67068 states and 95330 transitions. [2022-11-20 10:48:54,776 INFO L78 Accepts]: Start accepts. Automaton has 67068 states and 95330 transitions. Word has length 241 [2022-11-20 10:48:54,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:54,777 INFO L495 AbstractCegarLoop]: Abstraction has 67068 states and 95330 transitions. [2022-11-20 10:48:54,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 10:48:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 67068 states and 95330 transitions. [2022-11-20 10:48:54,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-20 10:48:54,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:54,788 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2022-11-20 10:48:54,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:55,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:55,011 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:48:55,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:55,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1126514533, now seen corresponding path program 1 times [2022-11-20 10:48:55,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:48:55,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936313039] [2022-11-20 10:48:55,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:55,015 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 10:48:55,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:48:55,017 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:55,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4192-8d97-4e1d-8b61-83a76db2dd80/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 10:48:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:57,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 1912 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:48:57,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2022-11-20 10:48:57,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:48:57,683 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:48:57,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936313039] [2022-11-20 10:48:57,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1936313039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:57,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:48:57,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:48:57,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131188882] [2022-11-20 10:48:57,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:57,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:48:57,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:48:57,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:48:57,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:48:57,686 INFO L87 Difference]: Start difference. First operand 67068 states and 95330 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23)