./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-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb66474e5e41b459479f6d5b414154fee660232663143da1bc936d3f2a0049ad --- 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 19:45:19,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:45:19,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:45:19,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:45:19,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:45:19,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:45:19,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:45:19,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:45:19,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:45:19,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:45:19,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:45:19,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:45:19,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:45:19,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:45:19,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:45:19,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:45:19,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:45:19,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:45:19,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:45:19,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:45:19,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:45:19,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:45:19,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:45:19,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:45:19,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:45:19,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:45:19,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:45:19,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:45:19,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:45:19,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:45:19,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:45:19,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:45:19,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:45:19,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:45:19,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:45:19,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:45:19,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:45:19,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:45:19,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:45:19,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:45:19,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:45:19,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 19:45:19,644 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:45:19,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:45:19,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:45:19,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:45:19,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:45:19,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:45:19,646 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:45:19,646 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:45:19,647 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:45:19,647 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:45:19,647 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:45:19,647 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:45:19,647 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:45:19,648 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:45:19,648 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:45:19,648 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:45:19,648 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:45:19,649 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:45:19,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:45:19,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:45:19,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:45:19,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:45:19,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:45:19,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:45:19,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:45:19,651 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:45:19,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:45:19,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:45:19,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:45:19,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:45:19,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:45:19,652 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:45:19,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:45:19,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:45:19,653 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:45:19,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:45:19,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:45:19,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:45:19,654 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb66474e5e41b459479f6d5b414154fee660232663143da1bc936d3f2a0049ad [2022-11-20 19:45:19,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:45:20,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:45:20,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:45:20,027 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:45:20,028 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:45:20,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 19:45:23,050 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:45:23,930 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:45:23,931 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 19:45:24,039 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/data/6facba1bf/35a6d470b510441bbdebf1c82e2c9e67/FLAGd78c0b49f [2022-11-20 19:45:24,059 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/data/6facba1bf/35a6d470b510441bbdebf1c82e2c9e67 [2022-11-20 19:45:24,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:45:24,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:45:24,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:45:24,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:45:24,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:45:24,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:24" (1/1) ... [2022-11-20 19:45:24,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ebfdce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:24, skipping insertion in model container [2022-11-20 19:45:24,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:24" (1/1) ... [2022-11-20 19:45:24,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:45:24,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:45:25,212 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 19:45:25,222 INFO L158 Benchmark]: Toolchain (without parser) took 1154.51ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 73.7MB in the beginning and 118.8MB in the end (delta: -45.1MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2022-11-20 19:45:25,222 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 155.2MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:45:25,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1149.53ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 73.3MB in the beginning and 118.8MB in the end (delta: -45.5MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2022-11-20 19:45:25,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 155.2MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1149.53ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 73.3MB in the beginning and 118.8MB in the end (delta: -45.5MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb66474e5e41b459479f6d5b414154fee660232663143da1bc936d3f2a0049ad --- 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 19:45:27,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:45:27,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:45:27,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:45:27,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:45:27,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:45:27,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:45:27,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:45:27,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:45:27,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:45:27,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:45:27,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:45:27,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:45:27,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:45:27,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:45:27,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:45:27,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:45:27,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:45:27,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:45:27,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:45:27,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:45:27,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:45:27,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:45:27,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:45:27,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:45:27,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:45:27,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:45:27,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:45:27,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:45:27,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:45:27,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:45:27,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:45:27,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:45:27,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:45:27,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:45:27,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:45:27,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:45:27,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:45:27,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:45:27,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:45:27,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:45:27,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 19:45:27,716 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:45:27,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:45:27,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:45:27,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:45:27,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:45:27,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:45:27,720 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:45:27,720 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:45:27,720 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:45:27,720 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:45:27,722 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:45:27,722 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:45:27,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:45:27,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:45:27,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:45:27,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:45:27,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:45:27,724 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 19:45:27,724 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 19:45:27,725 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 19:45:27,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:45:27,725 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:45:27,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:45:27,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:45:27,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 19:45:27,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:45:27,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:45:27,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:45:27,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:45:27,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:45:27,728 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 19:45:27,728 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 19:45:27,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:45:27,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:45:27,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 19:45:27,729 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb66474e5e41b459479f6d5b414154fee660232663143da1bc936d3f2a0049ad [2022-11-20 19:45:28,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:45:28,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:45:28,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:45:28,155 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:45:28,156 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:45:28,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 19:45:31,284 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:45:32,429 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:45:32,431 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 19:45:32,524 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/data/91acc35e8/d42c2401ee344f2e97ca6625fbd512ef/FLAG1ebf13a3b [2022-11-20 19:45:32,542 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/data/91acc35e8/d42c2401ee344f2e97ca6625fbd512ef [2022-11-20 19:45:32,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:45:32,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:45:32,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:45:32,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:45:32,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:45:32,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:32" (1/1) ... [2022-11-20 19:45:32,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@821865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:32, skipping insertion in model container [2022-11-20 19:45:32,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:32" (1/1) ... [2022-11-20 19:45:32,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:45:32,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:45:43,542 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[947955,947968] [2022-11-20 19:45:43,545 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948124,948137] [2022-11-20 19:45:43,546 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948291,948304] [2022-11-20 19:45:43,547 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948459,948472] [2022-11-20 19:45:43,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:45:43,690 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 19:45:43,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:45:44,717 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[947955,947968] [2022-11-20 19:45:44,717 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948124,948137] [2022-11-20 19:45:44,718 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948291,948304] [2022-11-20 19:45:44,718 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948459,948472] [2022-11-20 19:45:44,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:45:44,835 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:45:45,777 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[947955,947968] [2022-11-20 19:45:45,778 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948124,948137] [2022-11-20 19:45:45,778 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948291,948304] [2022-11-20 19:45:45,779 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_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948459,948472] [2022-11-20 19:45:45,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:45:46,903 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:45:46,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46 WrapperNode [2022-11-20 19:45:46,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:45:46,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:45:46,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:45:46,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:45:46,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:47,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:48,023 INFO L138 Inliner]: procedures = 885, calls = 16507, calls flagged for inlining = 430, calls inlined = 363, statements flattened = 27939 [2022-11-20 19:45:48,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:45:48,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:45:48,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:45:48,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:45:48,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:48,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:48,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:48,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:48,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:48,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:48,870 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:48,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:49,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:45:49,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:45:49,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:45:49,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:45:49,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (1/1) ... [2022-11-20 19:45:49,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:45:49,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:45:49,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:45:49,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:45:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-20 19:45:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-20 19:45:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-20 19:45:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-20 19:45:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-20 19:45:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-20 19:45:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-20 19:45:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-20 19:45:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-20 19:45:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-20 19:45:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-20 19:45:49,197 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-20 19:45:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-20 19:45:49,197 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-20 19:45:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 19:45:49,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 19:45:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-20 19:45:49,199 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-20 19:45:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 19:45:49,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 19:45:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-20 19:45:49,200 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-20 19:45:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 19:45:49,201 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 19:45:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 19:45:49,201 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 19:45:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-20 19:45:49,201 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-20 19:45:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 19:45:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 19:45:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-20 19:45:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-20 19:45:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-20 19:45:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-20 19:45:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-20 19:45:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-20 19:45:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 19:45:49,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 19:45:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 19:45:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 19:45:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 19:45:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 19:45:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 19:45:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 19:45:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-20 19:45:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-20 19:45:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-20 19:45:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-20 19:45:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-20 19:45:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-20 19:45:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 19:45:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 19:45:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 19:45:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 19:45:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 19:45:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 19:45:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-20 19:45:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-20 19:45:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-20 19:45:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-20 19:45:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-20 19:45:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-20 19:45:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-20 19:45:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-20 19:45:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 19:45:49,208 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 19:45:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-20 19:45:49,208 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-20 19:45:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 19:45:49,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 19:45:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-20 19:45:49,209 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-20 19:45:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 19:45:49,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 19:45:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-20 19:45:49,210 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-20 19:45:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-20 19:45:49,210 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-20 19:45:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-20 19:45:49,211 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-20 19:45:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 19:45:49,211 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 19:45:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 19:45:49,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 19:45:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-20 19:45:49,212 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-20 19:45:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 19:45:49,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 19:45:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-20 19:45:49,212 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-20 19:45:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-20 19:45:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-20 19:45:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-20 19:45:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-20 19:45:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 19:45:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 19:45:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 19:45:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 19:45:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 19:45:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 19:45:49,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 19:45:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-20 19:45:49,218 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-20 19:45:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:45:49,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 19:45:49,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 19:45:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 19:45:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 19:45:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 19:45:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-20 19:45:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-20 19:45:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 19:45:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-20 19:45:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-20 19:45:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-20 19:45:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-20 19:45:49,229 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 19:45:49,230 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 19:45:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-20 19:45:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-20 19:45:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 19:45:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 19:45:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-20 19:45:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-20 19:45:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 19:45:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 19:45:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-20 19:45:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-20 19:45:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-20 19:45:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-20 19:45:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 19:45:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 19:45:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-20 19:45:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-20 19:45:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-20 19:45:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-20 19:45:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-20 19:45:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-20 19:45:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:45:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:45:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-20 19:45:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-20 19:45:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-20 19:45:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-20 19:45:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-20 19:45:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-20 19:45:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-20 19:45:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-20 19:45:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 19:45:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 19:45:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-20 19:45:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-20 19:45:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 19:45:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-20 19:45:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-20 19:45:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 19:45:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 19:45:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-20 19:45:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 19:45:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 19:45:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-20 19:45:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-20 19:45:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-20 19:45:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-20 19:45:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 19:45:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 19:45:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2022-11-20 19:45:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2022-11-20 19:45:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 19:45:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 19:45:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-20 19:45:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-20 19:45:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-20 19:45:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-20 19:45:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-20 19:45:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-20 19:45:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-20 19:45:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-20 19:45:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-20 19:45:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-20 19:45:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 19:45:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 19:45:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-20 19:45:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-20 19:45:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:45:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 19:45:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 19:45:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-20 19:45:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-20 19:45:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 19:45:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-20 19:45:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-20 19:45:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-20 19:45:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-20 19:45:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-20 19:45:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-20 19:45:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-20 19:45:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-20 19:45:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-20 19:45:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-20 19:45:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 19:45:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 19:45:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-20 19:45:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-20 19:45:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 19:45:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 19:45:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 19:45:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 19:45:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-20 19:45:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-20 19:45:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-20 19:45:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-20 19:45:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-20 19:45:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-20 19:45:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-20 19:45:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-20 19:45:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-20 19:45:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-20 19:45:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 19:45:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 19:45:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-20 19:45:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-20 19:45:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-20 19:45:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-20 19:45:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-20 19:45:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-20 19:45:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 19:45:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 19:45:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 19:45:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 19:45:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 19:45:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 19:45:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 19:45:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 19:45:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-20 19:45:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-20 19:45:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 19:45:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 19:45:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_88 [2022-11-20 19:45:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_88 [2022-11-20 19:45:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-20 19:45:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-20 19:45:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 19:45:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 19:45:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-20 19:45:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-20 19:45:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-20 19:45:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-20 19:45:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-20 19:45:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-20 19:45:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-20 19:45:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-20 19:45:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-20 19:45:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-20 19:45:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-20 19:45:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-20 19:45:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 19:45:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 19:45:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-20 19:45:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-20 19:45:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-20 19:45:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-20 19:45:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-20 19:45:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-20 19:45:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-20 19:45:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 19:45:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 19:45:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_91 [2022-11-20 19:45:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_91 [2022-11-20 19:45:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 19:45:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 19:45:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2022-11-20 19:45:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2022-11-20 19:45:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-20 19:45:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-20 19:45:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-20 19:45:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-20 19:45:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 19:45:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 19:45:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-20 19:45:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-20 19:45:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-20 19:45:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-20 19:45:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-20 19:45:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-20 19:45:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 19:45:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 19:45:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-20 19:45:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-20 19:45:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-20 19:45:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-20 19:45:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 19:45:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 19:45:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-20 19:45:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-20 19:45:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-20 19:45:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-20 19:45:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-20 19:45:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-20 19:45:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_83 [2022-11-20 19:45:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_83 [2022-11-20 19:45:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-20 19:45:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-20 19:45:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-20 19:45:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-20 19:45:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 19:45:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 19:45:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 19:45:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 19:45:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 19:45:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 19:45:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 19:45:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 19:45:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 19:45:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 19:45:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:45:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 19:45:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 19:45:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 19:45:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-20 19:45:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-20 19:45:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 19:45:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-20 19:45:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-20 19:45:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-20 19:45:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-20 19:45:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-20 19:45:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-20 19:45:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-20 19:45:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-20 19:45:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 19:45:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 19:45:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-20 19:45:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-20 19:45:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-20 19:45:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-20 19:45:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 19:45:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 19:45:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-20 19:45:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-20 19:45:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 19:45:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 19:45:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-20 19:45:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-20 19:45:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-20 19:45:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-20 19:45:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 19:45:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 19:45:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 19:45:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 19:45:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-20 19:45:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-20 19:45:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-20 19:45:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-20 19:45:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 19:45:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 19:45:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-20 19:45:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-20 19:45:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-20 19:45:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-20 19:45:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 19:45:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 19:45:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 19:45:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 19:45:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 19:45:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 19:45:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 19:45:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-20 19:45:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-20 19:45:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-20 19:45:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-20 19:45:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-20 19:45:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-20 19:45:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-20 19:45:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-20 19:45:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-20 19:45:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-20 19:45:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 19:45:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 19:45:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 19:45:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 19:45:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 19:45:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 19:45:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-20 19:45:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-20 19:45:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 19:45:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 19:45:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-20 19:45:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-20 19:45:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-20 19:45:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-20 19:45:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-20 19:45:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-20 19:45:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-20 19:45:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-20 19:45:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-20 19:45:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-20 19:45:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-20 19:45:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-20 19:45:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 19:45:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 19:45:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 19:45:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-20 19:45:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-20 19:45:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 19:45:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 19:45:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 19:45:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 19:45:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 19:45:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 19:45:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 19:45:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 19:45:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 19:45:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-20 19:45:49,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-20 19:45:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 19:45:49,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 19:45:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 19:45:49,265 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 19:45:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 19:45:49,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 19:45:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-20 19:45:49,265 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-20 19:45:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 19:45:49,266 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 19:45:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-20 19:45:49,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-20 19:45:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-20 19:45:49,266 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-20 19:45:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 19:45:49,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 19:45:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-20 19:45:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-20 19:45:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-20 19:45:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-20 19:45:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-20 19:45:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-20 19:45:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 19:45:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 19:45:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-20 19:45:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-20 19:45:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 19:45:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 19:45:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 19:45:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 19:45:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 19:45:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 19:45:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-20 19:45:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-20 19:45:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 19:45:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 19:45:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 19:45:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 19:45:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 19:45:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-20 19:45:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-20 19:45:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-20 19:45:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-20 19:45:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-11-20 19:45:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-11-20 19:45:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-20 19:45:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-20 19:45:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-20 19:45:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-20 19:45:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 19:45:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 19:45:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-20 19:45:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-20 19:45:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-20 19:45:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-20 19:45:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-20 19:45:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-20 19:45:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-20 19:45:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-20 19:45:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_87 [2022-11-20 19:45:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_87 [2022-11-20 19:45:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-20 19:45:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-20 19:45:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 19:45:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 19:45:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 19:45:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 19:45:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-20 19:45:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-20 19:45:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-20 19:45:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-20 19:45:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-20 19:45:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-20 19:45:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-20 19:45:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-20 19:45:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-20 19:45:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-20 19:45:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-20 19:45:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-20 19:45:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 19:45:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 19:45:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-20 19:45:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-20 19:45:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-20 19:45:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-20 19:45:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-20 19:45:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-20 19:45:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-20 19:45:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-20 19:45:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-20 19:45:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-20 19:45:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 19:45:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 19:45:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-20 19:45:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-20 19:45:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 19:45:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 19:45:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-20 19:45:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-20 19:45:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-20 19:45:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-20 19:45:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-20 19:45:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-20 19:45:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-20 19:45:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-20 19:45:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 19:45:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 19:45:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 19:45:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 19:45:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 19:45:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 19:45:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-20 19:45:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-20 19:45:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-20 19:45:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-20 19:45:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 19:45:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 19:45:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-20 19:45:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-20 19:45:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 19:45:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 19:45:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2022-11-20 19:45:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2022-11-20 19:45:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 19:45:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 19:45:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-20 19:45:52,012 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:45:52,017 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:46:12,672 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 19:52:27,115 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 19:52:27,834 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:52:27,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:52:27,885 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-20 19:52:27,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:52:27 BoogieIcfgContainer [2022-11-20 19:52:27,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:52:27,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:52:27,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:52:27,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:52:27,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:45:32" (1/3) ... [2022-11-20 19:52:27,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aaa8f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:52:27, skipping insertion in model container [2022-11-20 19:52:27,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:46" (2/3) ... [2022-11-20 19:52:27,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aaa8f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:52:27, skipping insertion in model container [2022-11-20 19:52:27,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:52:27" (3/3) ... [2022-11-20 19:52:27,907 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 19:52:27,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:52:27,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-20 19:52:28,136 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:52:28,153 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=FINITE_AUTOMATA, 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;@bf82cb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:52:28,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 19:52:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 8162 states, 5702 states have (on average 1.3426867765696247) internal successors, (7656), 5796 states have internal predecessors, (7656), 2207 states have call successors, (2207), 253 states have call predecessors, (2207), 252 states have return successors, (2201), 2193 states have call predecessors, (2201), 2201 states have call successors, (2201) [2022-11-20 19:52:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-11-20 19:52:28,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:52:28,214 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:28,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 19:52:28,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:52:28,221 INFO L85 PathProgramCache]: Analyzing trace with hash -720627507, now seen corresponding path program 1 times [2022-11-20 19:52:28,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:52:28,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116198441] [2022-11-20 19:52:28,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:52:28,262 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 19:52:28,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:52:28,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:52:28,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:52:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:52:48,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 10509 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:52:48,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:52:48,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 2277 trivial. 0 not checked. [2022-11-20 19:52:48,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:52:48,542 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:52:48,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116198441] [2022-11-20 19:52:48,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [116198441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:52:48,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:52:48,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:52:48,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927169651] [2022-11-20 19:52:48,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:52:48,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:52:48,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:52:48,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:52:48,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:52:48,606 INFO L87 Difference]: Start difference. First operand has 8162 states, 5702 states have (on average 1.3426867765696247) internal successors, (7656), 5796 states have internal predecessors, (7656), 2207 states have call successors, (2207), 253 states have call predecessors, (2207), 252 states have return successors, (2201), 2193 states have call predecessors, (2201), 2201 states have call successors, (2201) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 19:52:49,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:52:51,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:52:51,345 INFO L93 Difference]: Finished difference Result 24221 states and 36677 transitions. [2022-11-20 19:52:51,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:52:51,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 281 [2022-11-20 19:52:51,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:52:51,510 INFO L225 Difference]: With dead ends: 24221 [2022-11-20 19:52:51,510 INFO L226 Difference]: Without dead ends: 16094 [2022-11-20 19:52:51,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 279 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 19:52:51,662 INFO L413 NwaCegarLoop]: 14133 mSDtfsCounter, 11797 mSDsluCounter, 11924 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11797 SdHoareTripleChecker+Valid, 26057 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 19:52:51,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11797 Valid, 26057 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 19:52:51,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16094 states. [2022-11-20 19:52:53,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16094 to 16090. [2022-11-20 19:52:53,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16090 states, 11250 states have (on average 1.3378666666666668) internal successors, (15051), 11433 states have internal predecessors, (15051), 4337 states have call successors, (4337), 501 states have call predecessors, (4337), 500 states have return successors, (4333), 4317 states have call predecessors, (4333), 4333 states have call successors, (4333) [2022-11-20 19:52:53,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16090 states to 16090 states and 23721 transitions. [2022-11-20 19:52:53,908 INFO L78 Accepts]: Start accepts. Automaton has 16090 states and 23721 transitions. Word has length 281 [2022-11-20 19:52:53,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:52:53,913 INFO L495 AbstractCegarLoop]: Abstraction has 16090 states and 23721 transitions. [2022-11-20 19:52:53,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 19:52:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 16090 states and 23721 transitions. [2022-11-20 19:52:53,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-11-20 19:52:53,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:52:53,935 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:52:54,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:52:54,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:52:54,151 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 19:52:54,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:52:54,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1358187661, now seen corresponding path program 1 times [2022-11-20 19:52:54,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:52:54,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61642448] [2022-11-20 19:52:54,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:52:54,162 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 19:52:54,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:52:54,164 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:52:54,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:53:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:53:12,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 10646 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:53:12,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:53:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2350 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 2281 trivial. 0 not checked. [2022-11-20 19:53:13,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:53:13,113 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:53:13,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61642448] [2022-11-20 19:53:13,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [61642448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:53:13,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:53:13,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:53:13,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468065258] [2022-11-20 19:53:13,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:53:13,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:53:13,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:53:13,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:53:13,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:53:13,118 INFO L87 Difference]: Start difference. First operand 16090 states and 23721 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, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 19:53:14,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:53:16,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:53:16,750 INFO L93 Difference]: Finished difference Result 43682 states and 64331 transitions. [2022-11-20 19:53:16,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:53:16,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 312 [2022-11-20 19:53:16,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:53:16,980 INFO L225 Difference]: With dead ends: 43682 [2022-11-20 19:53:16,981 INFO L226 Difference]: Without dead ends: 27643 [2022-11-20 19:53:17,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 310 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 19:53:17,094 INFO L413 NwaCegarLoop]: 13550 mSDtfsCounter, 8567 mSDsluCounter, 11790 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8567 SdHoareTripleChecker+Valid, 25340 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:53:17,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8567 Valid, 25340 Invalid, 140 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 19:53:17,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27643 states. [2022-11-20 19:53:20,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27643 to 27608. [2022-11-20 19:53:20,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27608 states, 19262 states have (on average 1.3371923995431418) internal successors, (25757), 19564 states have internal predecessors, (25757), 7436 states have call successors, (7436), 910 states have call predecessors, (7436), 907 states have return successors, (7432), 7401 states have call predecessors, (7432), 7432 states have call successors, (7432) [2022-11-20 19:53:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27608 states to 27608 states and 40625 transitions. [2022-11-20 19:53:21,099 INFO L78 Accepts]: Start accepts. Automaton has 27608 states and 40625 transitions. Word has length 312 [2022-11-20 19:53:21,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:53:21,111 INFO L495 AbstractCegarLoop]: Abstraction has 27608 states and 40625 transitions. [2022-11-20 19:53:21,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 19:53:21,111 INFO L276 IsEmpty]: Start isEmpty. Operand 27608 states and 40625 transitions. [2022-11-20 19:53:21,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-11-20 19:53:21,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:53:21,139 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:53:21,355 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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)] Forcibly destroying the process [2022-11-20 19:53:21,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 19:53:21,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:53:21,448 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 19:53:21,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:53:21,448 INFO L85 PathProgramCache]: Analyzing trace with hash -2018608417, now seen corresponding path program 1 times [2022-11-20 19:53:21,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:53:21,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441766443] [2022-11-20 19:53:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:53:21,487 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 19:53:21,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:53:21,507 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:53:21,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:53:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:53:41,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 10821 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:53:41,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:53:41,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 2277 trivial. 0 not checked. [2022-11-20 19:53:41,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:53:41,436 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:53:41,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [441766443] [2022-11-20 19:53:41,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [441766443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:53:41,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:53:41,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:53:41,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542851585] [2022-11-20 19:53:41,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:53:41,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:53:41,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:53:41,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:53:41,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:53:41,439 INFO L87 Difference]: Start difference. First operand 27608 states and 40625 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 19:53:43,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:53:45,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:53:45,489 INFO L93 Difference]: Finished difference Result 48645 states and 71572 transitions. [2022-11-20 19:53:45,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:53:45,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 336 [2022-11-20 19:53:45,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:53:45,689 INFO L225 Difference]: With dead ends: 48645 [2022-11-20 19:53:45,689 INFO L226 Difference]: Without dead ends: 21088 [2022-11-20 19:53:45,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 334 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 19:53:45,912 INFO L413 NwaCegarLoop]: 21042 mSDtfsCounter, 10144 mSDsluCounter, 11891 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10144 SdHoareTripleChecker+Valid, 32933 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 19:53:45,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10144 Valid, 32933 Invalid, 91 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 19:53:45,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21088 states. [2022-11-20 19:53:48,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21088 to 21055. [2022-11-20 19:53:48,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21055 states, 14689 states have (on average 1.3328340935393832) internal successors, (19578), 14926 states have internal predecessors, (19578), 5676 states have call successors, (5676), 691 states have call predecessors, (5676), 687 states have return successors, (5672), 5638 states have call predecessors, (5672), 5672 states have call successors, (5672) [2022-11-20 19:53:48,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21055 states to 21055 states and 30926 transitions. [2022-11-20 19:53:48,662 INFO L78 Accepts]: Start accepts. Automaton has 21055 states and 30926 transitions. Word has length 336 [2022-11-20 19:53:48,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:53:48,664 INFO L495 AbstractCegarLoop]: Abstraction has 21055 states and 30926 transitions. [2022-11-20 19:53:48,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 19:53:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 21055 states and 30926 transitions. [2022-11-20 19:53:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-11-20 19:53:48,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:53:48,672 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:53:48,896 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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)] Forcibly destroying the process [2022-11-20 19:53:49,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:53:49,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:53:49,019 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 19:53:49,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:53:49,020 INFO L85 PathProgramCache]: Analyzing trace with hash -577657398, now seen corresponding path program 1 times [2022-11-20 19:53:49,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:53:49,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598451766] [2022-11-20 19:53:49,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:53:49,039 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 19:53:49,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:53:49,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:53:49,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:54:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:54:08,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 10635 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:54:08,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:54:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 2505 trivial. 0 not checked. [2022-11-20 19:54:09,098 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:54:09,098 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:54:09,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598451766] [2022-11-20 19:54:09,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598451766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:54:09,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:54:09,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:54:09,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361651132] [2022-11-20 19:54:09,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:54:09,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:54:09,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:54:09,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:54:09,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:54:09,102 INFO L87 Difference]: Start difference. First operand 21055 states and 30926 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-20 19:54:10,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:54:12,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:54:12,868 INFO L93 Difference]: Finished difference Result 62582 states and 91997 transitions. [2022-11-20 19:54:12,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:54:12,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 339 [2022-11-20 19:54:12,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:54:13,143 INFO L225 Difference]: With dead ends: 62582 [2022-11-20 19:54:13,144 INFO L226 Difference]: Without dead ends: 41678 [2022-11-20 19:54:13,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 337 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 19:54:13,468 INFO L413 NwaCegarLoop]: 14922 mSDtfsCounter, 11753 mSDsluCounter, 11935 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11753 SdHoareTripleChecker+Valid, 26857 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:54:13,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11753 Valid, 26857 Invalid, 30 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 19:54:13,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41678 states. [2022-11-20 19:54:18,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41678 to 41674. [2022-11-20 19:54:18,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41674 states, 29092 states have (on average 1.3338374810944589) internal successors, (38804), 29550 states have internal predecessors, (38804), 11224 states have call successors, (11224), 1360 states have call predecessors, (11224), 1355 states have return successors, (11220), 11165 states have call predecessors, (11220), 11220 states have call successors, (11220) [2022-11-20 19:54:18,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41674 states to 41674 states and 61248 transitions. [2022-11-20 19:54:18,918 INFO L78 Accepts]: Start accepts. Automaton has 41674 states and 61248 transitions. Word has length 339 [2022-11-20 19:54:18,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:54:18,919 INFO L495 AbstractCegarLoop]: Abstraction has 41674 states and 61248 transitions. [2022-11-20 19:54:18,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-20 19:54:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 41674 states and 61248 transitions. [2022-11-20 19:54:18,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-11-20 19:54:18,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:54:18,928 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:54:19,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:54:19,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:54:19,128 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 19:54:19,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:54:19,129 INFO L85 PathProgramCache]: Analyzing trace with hash -437108788, now seen corresponding path program 1 times [2022-11-20 19:54:19,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:54:19,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735119070] [2022-11-20 19:54:19,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:54:19,140 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 19:54:19,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:54:19,144 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:54:19,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:54:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:54:39,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 10635 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:54:39,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:54:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2605 trivial. 0 not checked. [2022-11-20 19:54:42,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:54:42,803 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:54:42,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735119070] [2022-11-20 19:54:42,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735119070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:54:42,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:54:42,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 19:54:42,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874868343] [2022-11-20 19:54:42,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:54:42,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:54:42,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:54:42,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:54:42,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:54:42,807 INFO L87 Difference]: Start difference. First operand 41674 states and 61248 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-20 19:54:45,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:54:45,041 INFO L93 Difference]: Finished difference Result 41680 states and 61253 transitions. [2022-11-20 19:54:45,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 19:54:45,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 339 [2022-11-20 19:54:45,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:54:45,267 INFO L225 Difference]: With dead ends: 41680 [2022-11-20 19:54:45,267 INFO L226 Difference]: Without dead ends: 41678 [2022-11-20 19:54:45,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 19:54:45,294 INFO L413 NwaCegarLoop]: 11959 mSDtfsCounter, 11837 mSDsluCounter, 23900 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11838 SdHoareTripleChecker+Valid, 35859 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 19:54:45,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11838 Valid, 35859 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 19:54:45,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41678 states. [2022-11-20 19:54:50,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41678 to 41678. [2022-11-20 19:54:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41678 states, 29095 states have (on average 1.333803058944836) internal successors, (38807), 29553 states have internal predecessors, (38807), 11224 states have call successors, (11224), 1361 states have call predecessors, (11224), 1356 states have return successors, (11220), 11165 states have call predecessors, (11220), 11220 states have call successors, (11220) [2022-11-20 19:54:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41678 states to 41678 states and 61251 transitions. [2022-11-20 19:54:50,732 INFO L78 Accepts]: Start accepts. Automaton has 41678 states and 61251 transitions. Word has length 339 [2022-11-20 19:54:50,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:54:50,735 INFO L495 AbstractCegarLoop]: Abstraction has 41678 states and 61251 transitions. [2022-11-20 19:54:50,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-20 19:54:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 41678 states and 61251 transitions. [2022-11-20 19:54:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-11-20 19:54:50,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:54:50,755 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:54:50,979 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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)] Forcibly destroying the process [2022-11-20 19:54:51,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:54:51,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:54:51,096 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 19:54:51,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:54:51,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1255478308, now seen corresponding path program 1 times [2022-11-20 19:54:51,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:54:51,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060350436] [2022-11-20 19:54:51,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:54:51,137 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 19:54:51,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:54:51,151 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:54:51,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:55:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:55:11,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 10642 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:55:11,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:14,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2605 trivial. 0 not checked. [2022-11-20 19:55:14,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2605 trivial. 0 not checked. [2022-11-20 19:55:16,237 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:55:16,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060350436] [2022-11-20 19:55:16,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060350436] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 19:55:16,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:55:16,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 19:55:16,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277659479] [2022-11-20 19:55:16,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:55:16,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:55:16,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:55:16,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:55:16,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 19:55:16,240 INFO L87 Difference]: Start difference. First operand 41678 states and 61251 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-20 19:55:19,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:19,120 INFO L93 Difference]: Finished difference Result 41856 states and 61417 transitions. [2022-11-20 19:55:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 19:55:19,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 344 [2022-11-20 19:55:19,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:19,316 INFO L225 Difference]: With dead ends: 41856 [2022-11-20 19:55:19,317 INFO L226 Difference]: Without dead ends: 41854 [2022-11-20 19:55:19,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 689 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 19:55:19,348 INFO L413 NwaCegarLoop]: 11981 mSDtfsCounter, 11849 mSDsluCounter, 23982 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11865 SdHoareTripleChecker+Valid, 35963 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:19,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11865 Valid, 35963 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 19:55:19,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41854 states. [2022-11-20 19:55:23,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41854 to 41852. [2022-11-20 19:55:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41852 states, 29212 states have (on average 1.3329453649185266) internal successors, (38938), 29678 states have internal predecessors, (38938), 11240 states have call successors, (11240), 1402 states have call predecessors, (11240), 1397 states have return successors, (11236), 11181 states have call predecessors, (11236), 11236 states have call successors, (11236) [2022-11-20 19:55:23,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41852 states to 41852 states and 61414 transitions. [2022-11-20 19:55:23,524 INFO L78 Accepts]: Start accepts. Automaton has 41852 states and 61414 transitions. Word has length 344 [2022-11-20 19:55:23,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:23,527 INFO L495 AbstractCegarLoop]: Abstraction has 41852 states and 61414 transitions. [2022-11-20 19:55:23,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-20 19:55:23,527 INFO L276 IsEmpty]: Start isEmpty. Operand 41852 states and 61414 transitions. [2022-11-20 19:55:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-11-20 19:55:23,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:23,533 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:23,756 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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)] Forcibly destroying the process [2022-11-20 19:55:23,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:23,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:55:23,851 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 19:55:23,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:23,851 INFO L85 PathProgramCache]: Analyzing trace with hash -52539764, now seen corresponding path program 1 times [2022-11-20 19:55:23,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:55:23,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334784343] [2022-11-20 19:55:23,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:23,879 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 19:55:23,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:55:23,891 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:55:23,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 19:55:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:55:41,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 10649 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:55:41,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:45,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2613 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2609 trivial. 0 not checked. [2022-11-20 19:55:45,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:46,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2613 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2609 trivial. 0 not checked. [2022-11-20 19:55:46,424 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:55:46,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334784343] [2022-11-20 19:55:46,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334784343] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 19:55:46,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:55:46,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 19:55:46,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589530292] [2022-11-20 19:55:46,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:55:46,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:55:46,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:55:46,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:55:46,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 19:55:46,427 INFO L87 Difference]: Start difference. First operand 41852 states and 61414 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-20 19:55:49,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:49,270 INFO L93 Difference]: Finished difference Result 41858 states and 61419 transitions. [2022-11-20 19:55:49,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 19:55:49,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 349 [2022-11-20 19:55:49,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:49,418 INFO L225 Difference]: With dead ends: 41858 [2022-11-20 19:55:49,419 INFO L226 Difference]: Without dead ends: 41856 [2022-11-20 19:55:49,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 691 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 19:55:49,438 INFO L413 NwaCegarLoop]: 11962 mSDtfsCounter, 11863 mSDsluCounter, 23899 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11878 SdHoareTripleChecker+Valid, 35861 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:49,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11878 Valid, 35861 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:55:49,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41856 states. [2022-11-20 19:55:53,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41856 to 41856. [2022-11-20 19:55:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41856 states, 29215 states have (on average 1.3329111757658736) internal successors, (38941), 29681 states have internal predecessors, (38941), 11240 states have call successors, (11240), 1403 states have call predecessors, (11240), 1398 states have return successors, (11236), 11181 states have call predecessors, (11236), 11236 states have call successors, (11236) [2022-11-20 19:55:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41856 states to 41856 states and 61417 transitions. [2022-11-20 19:55:53,641 INFO L78 Accepts]: Start accepts. Automaton has 41856 states and 61417 transitions. Word has length 349 [2022-11-20 19:55:53,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:53,642 INFO L495 AbstractCegarLoop]: Abstraction has 41856 states and 61417 transitions. [2022-11-20 19:55:53,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-20 19:55:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 41856 states and 61417 transitions. [2022-11-20 19:55:53,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-11-20 19:55:53,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:53,665 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:53,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:53,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:55:53,875 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 19:55:53,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:53,876 INFO L85 PathProgramCache]: Analyzing trace with hash -752980764, now seen corresponding path program 1 times [2022-11-20 19:55:53,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:55:53,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635796158] [2022-11-20 19:55:53,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:53,891 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 19:55:53,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:55:53,892 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:55:53,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 19:56:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:56:11,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 10656 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:56:11,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:56:15,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2623 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2617 trivial. 0 not checked. [2022-11-20 19:56:15,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:56:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2623 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2617 trivial. 0 not checked. [2022-11-20 19:56:16,235 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:56:16,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635796158] [2022-11-20 19:56:16,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635796158] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 19:56:16,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:56:16,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 19:56:16,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384615330] [2022-11-20 19:56:16,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:56:16,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:56:16,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:56:16,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:56:16,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 19:56:16,237 INFO L87 Difference]: Start difference. First operand 41856 states and 61417 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-20 19:56:19,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:56:19,356 INFO L93 Difference]: Finished difference Result 41862 states and 61422 transitions. [2022-11-20 19:56:19,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 19:56:19,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 354 [2022-11-20 19:56:19,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:56:19,520 INFO L225 Difference]: With dead ends: 41862 [2022-11-20 19:56:19,520 INFO L226 Difference]: Without dead ends: 41860 [2022-11-20 19:56:19,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 19:56:19,548 INFO L413 NwaCegarLoop]: 11962 mSDtfsCounter, 11863 mSDsluCounter, 23899 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11877 SdHoareTripleChecker+Valid, 35861 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:56:19,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11877 Valid, 35861 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:56:19,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41860 states. [2022-11-20 19:56:23,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41860 to 41860. [2022-11-20 19:56:23,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41860 states, 29218 states have (on average 1.3328769936340612) internal successors, (38944), 29684 states have internal predecessors, (38944), 11240 states have call successors, (11240), 1404 states have call predecessors, (11240), 1399 states have return successors, (11236), 11181 states have call predecessors, (11236), 11236 states have call successors, (11236) [2022-11-20 19:56:23,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41860 states to 41860 states and 61420 transitions. [2022-11-20 19:56:23,967 INFO L78 Accepts]: Start accepts. Automaton has 41860 states and 61420 transitions. Word has length 354 [2022-11-20 19:56:23,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:56:23,982 INFO L495 AbstractCegarLoop]: Abstraction has 41860 states and 61420 transitions. [2022-11-20 19:56:23,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-20 19:56:23,983 INFO L276 IsEmpty]: Start isEmpty. Operand 41860 states and 61420 transitions. [2022-11-20 19:56:23,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-11-20 19:56:24,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:56:24,003 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:56:24,203 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forcibly destroying the process [2022-11-20 19:56:24,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 19:56:24,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:56:24,242 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 19:56:24,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:56:24,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1400332980, now seen corresponding path program 1 times [2022-11-20 19:56:24,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:56:24,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940694990] [2022-11-20 19:56:24,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:56:24,261 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 19:56:24,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:56:24,271 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:56:24,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 19:56:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:56:41,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 10663 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:56:41,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:56:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2637 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2629 trivial. 0 not checked. [2022-11-20 19:56:45,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:56:46,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2637 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2629 trivial. 0 not checked. [2022-11-20 19:56:46,350 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:56:46,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940694990] [2022-11-20 19:56:46,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940694990] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 19:56:46,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:56:46,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 19:56:46,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720131002] [2022-11-20 19:56:46,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:56:46,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:56:46,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:56:46,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:56:46,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 19:56:46,353 INFO L87 Difference]: Start difference. First operand 41860 states and 61420 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-20 19:56:50,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:56:50,452 INFO L93 Difference]: Finished difference Result 44322 states and 64937 transitions. [2022-11-20 19:56:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 19:56:50,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 359 [2022-11-20 19:56:50,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:56:50,740 INFO L225 Difference]: With dead ends: 44322 [2022-11-20 19:56:50,741 INFO L226 Difference]: Without dead ends: 44320 [2022-11-20 19:56:50,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 719 GetRequests, 711 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 19:56:50,780 INFO L413 NwaCegarLoop]: 12484 mSDtfsCounter, 11817 mSDsluCounter, 25593 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11830 SdHoareTripleChecker+Valid, 38077 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:56:50,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11830 Valid, 38077 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:56:50,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44320 states. [2022-11-20 19:56:55,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44320 to 44304. [2022-11-20 19:56:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44304 states, 30775 states have (on average 1.3288383428107229) internal successors, (40895), 31271 states have internal predecessors, (40895), 12006 states have call successors, (12006), 1535 states have call predecessors, (12006), 1520 states have return successors, (12020), 11931 states have call predecessors, (12020), 12002 states have call successors, (12020) [2022-11-20 19:56:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44304 states to 44304 states and 64921 transitions. [2022-11-20 19:56:56,027 INFO L78 Accepts]: Start accepts. Automaton has 44304 states and 64921 transitions. Word has length 359 [2022-11-20 19:56:56,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:56:56,028 INFO L495 AbstractCegarLoop]: Abstraction has 44304 states and 64921 transitions. [2022-11-20 19:56:56,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-20 19:56:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 44304 states and 64921 transitions. [2022-11-20 19:56:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-11-20 19:56:56,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:56:56,067 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:56:56,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 19:56:56,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:56:56,291 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 19:56:56,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:56:56,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1080982108, now seen corresponding path program 1 times [2022-11-20 19:56:56,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:56:56,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318033572] [2022-11-20 19:56:56,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:56:56,311 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 19:56:56,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:56:56,312 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:56:56,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 19:57:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:57:13,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 10670 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:57:13,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:57:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2655 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2645 trivial. 0 not checked. [2022-11-20 19:57:17,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:57:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2655 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2645 trivial. 0 not checked. [2022-11-20 19:57:18,577 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:57:18,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318033572] [2022-11-20 19:57:18,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318033572] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 19:57:18,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:57:18,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 19:57:18,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227378484] [2022-11-20 19:57:18,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:57:18,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:57:18,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:57:18,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:57:18,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 19:57:18,580 INFO L87 Difference]: Start difference. First operand 44304 states and 64921 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-20 19:57:22,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:57:22,570 INFO L93 Difference]: Finished difference Result 44462 states and 65037 transitions. [2022-11-20 19:57:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 19:57:22,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 364 [2022-11-20 19:57:22,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:57:22,784 INFO L225 Difference]: With dead ends: 44462 [2022-11-20 19:57:22,784 INFO L226 Difference]: Without dead ends: 44460 [2022-11-20 19:57:22,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 729 GetRequests, 721 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 19:57:22,796 INFO L413 NwaCegarLoop]: 11971 mSDtfsCounter, 11559 mSDsluCounter, 24239 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11571 SdHoareTripleChecker+Valid, 36210 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:57:22,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11571 Valid, 36210 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:57:22,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44460 states. [2022-11-20 19:57:27,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44460 to 44458. [2022-11-20 19:57:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44458 states, 30882 states have (on average 1.3278932711611942) internal successors, (41008), 31378 states have internal predecessors, (41008), 12006 states have call successors, (12006), 1582 states have call predecessors, (12006), 1567 states have return successors, (12020), 11931 states have call predecessors, (12020), 12002 states have call successors, (12020) [2022-11-20 19:57:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44458 states to 44458 states and 65034 transitions. [2022-11-20 19:57:27,866 INFO L78 Accepts]: Start accepts. Automaton has 44458 states and 65034 transitions. Word has length 364 [2022-11-20 19:57:27,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:57:27,867 INFO L495 AbstractCegarLoop]: Abstraction has 44458 states and 65034 transitions. [2022-11-20 19:57:27,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-20 19:57:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 44458 states and 65034 transitions. [2022-11-20 19:57:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-11-20 19:57:27,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:57:27,875 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 7, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:57:28,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 19:57:28,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:57:28,088 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 19:57:28,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:57:28,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1238798138, now seen corresponding path program 1 times [2022-11-20 19:57:28,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:57:28,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596600453] [2022-11-20 19:57:28,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:57:28,105 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 19:57:28,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:57:28,106 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 19:57:28,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2eaf35a-20ea-4cb1-8365-cf4bb1f4bc4c/bin/utaipan-6cKwYrpEi9/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 (12)] Waiting until timeout for monitored process [2022-11-20 19:57:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:57:45,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 10724 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:57:45,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:57:45,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2688 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 2581 trivial. 0 not checked. [2022-11-20 19:57:45,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:57:45,935 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:57:45,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596600453] [2022-11-20 19:57:45,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596600453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:57:45,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:57:45,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:57:45,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511281297] [2022-11-20 19:57:45,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:57:45,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:57:45,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:57:45,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:57:45,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:57:45,938 INFO L87 Difference]: Start difference. First operand 44458 states and 65034 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-20 19:57:47,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:55,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:57:55,486 INFO L93 Difference]: Finished difference Result 110820 states and 162163 transitions. [2022-11-20 19:57:55,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:57:55,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 380 [2022-11-20 19:57:55,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:57:55,742 INFO L225 Difference]: With dead ends: 110820 [2022-11-20 19:57:55,742 INFO L226 Difference]: Without dead ends: 66513 [2022-11-20 19:57:56,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 378 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 19:57:56,042 INFO L413 NwaCegarLoop]: 23594 mSDtfsCounter, 11796 mSDsluCounter, 11937 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11796 SdHoareTripleChecker+Valid, 35531 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 19:57:56,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11796 Valid, 35531 Invalid, 32 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 19:57:56,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66513 states.