./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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_e31111be-d04a-4838-bb74-ae080066398b/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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- 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 20:03:51,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:03:51,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:03:51,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:03:51,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:03:51,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:03:51,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:03:51,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:03:51,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:03:51,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:03:51,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:03:51,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:03:51,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:03:51,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:03:51,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:03:51,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:03:51,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:03:51,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:03:51,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:03:51,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:03:51,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:03:51,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:03:51,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:03:51,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:03:51,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:03:51,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:03:51,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:03:51,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:03:51,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:03:51,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:03:51,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:03:51,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:03:51,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:03:51,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:03:51,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:03:51,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:03:51,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:03:51,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:03:51,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:03:51,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:03:51,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:03:51,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 20:03:51,265 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:03:51,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:03:51,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:03:51,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:03:51,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:03:51,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:03:51,271 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:03:51,272 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:03:51,272 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:03:51,272 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:03:51,273 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:03:51,273 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:03:51,273 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:03:51,274 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:03:51,274 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:03:51,274 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:03:51,274 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:03:51,275 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:03:51,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:03:51,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:03:51,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:03:51,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:03:51,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:03:51,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:03:51,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:03:51,277 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:03:51,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:03:51,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:03:51,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:03:51,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:03:51,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:03:51,279 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:03:51,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:03:51,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:03:51,280 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:03:51,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:03:51,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:03:51,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:03:51,280 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_e31111be-d04a-4838-bb74-ae080066398b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2022-11-20 20:03:51,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:03:51,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:03:51,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:03:51,621 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:03:51,621 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:03:51,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 20:03:54,633 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:03:55,356 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:03:55,357 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 20:03:55,419 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/data/5f55f6972/fb4dd15a3813421d9c14fc401e917e76/FLAG5316b99d8 [2022-11-20 20:03:55,501 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/data/5f55f6972/fb4dd15a3813421d9c14fc401e917e76 [2022-11-20 20:03:55,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:03:55,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:03:55,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:03:55,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:03:55,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:03:55,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:03:55" (1/1) ... [2022-11-20 20:03:55,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3e001e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:55, skipping insertion in model container [2022-11-20 20:03:55,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:03:55" (1/1) ... [2022-11-20 20:03:55,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:03:55,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:03:56,701 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 20:03:56,709 INFO L158 Benchmark]: Toolchain (without parser) took 1199.52ms. Allocated memory is still 186.6MB. Free memory was 148.9MB in the beginning and 60.7MB in the end (delta: 88.2MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2022-11-20 20:03:56,709 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 130.0MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:03:56,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1192.95ms. Allocated memory is still 186.6MB. Free memory was 148.9MB in the beginning and 60.7MB in the end (delta: 88.2MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2022-11-20 20:03:56,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 130.0MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1192.95ms. Allocated memory is still 186.6MB. Free memory was 148.9MB in the beginning and 60.7MB in the end (delta: 88.2MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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_e31111be-d04a-4838-bb74-ae080066398b/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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- 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 20:03:59,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:03:59,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:03:59,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:03:59,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:03:59,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:03:59,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:03:59,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:03:59,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:03:59,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:03:59,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:03:59,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:03:59,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:03:59,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:03:59,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:03:59,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:03:59,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:03:59,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:03:59,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:03:59,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:03:59,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:03:59,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:03:59,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:03:59,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:03:59,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:03:59,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:03:59,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:03:59,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:03:59,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:03:59,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:03:59,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:03:59,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:03:59,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:03:59,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:03:59,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:03:59,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:03:59,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:03:59,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:03:59,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:03:59,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:03:59,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:03:59,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 20:03:59,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:03:59,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:03:59,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:03:59,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:03:59,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:03:59,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:03:59,372 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:03:59,372 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:03:59,373 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:03:59,373 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:03:59,374 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:03:59,374 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:03:59,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:03:59,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:03:59,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:03:59,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:03:59,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:03:59,376 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 20:03:59,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 20:03:59,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 20:03:59,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:03:59,377 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:03:59,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:03:59,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:03:59,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 20:03:59,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:03:59,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:03:59,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:03:59,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:03:59,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:03:59,380 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 20:03:59,380 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 20:03:59,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:03:59,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:03:59,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 20:03:59,381 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_e31111be-d04a-4838-bb74-ae080066398b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2022-11-20 20:03:59,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:03:59,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:03:59,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:03:59,786 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:03:59,786 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:03:59,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 20:04:02,946 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:04:03,908 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:04:03,909 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 20:04:04,001 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/data/fd220162a/2db87eb36ccc4e95b53301db3a7e8773/FLAG111c1c8ff [2022-11-20 20:04:04,019 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/data/fd220162a/2db87eb36ccc4e95b53301db3a7e8773 [2022-11-20 20:04:04,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:04:04,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:04:04,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:04:04,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:04:04,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:04:04,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:04:04" (1/1) ... [2022-11-20 20:04:04,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3fb0c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:04, skipping insertion in model container [2022-11-20 20:04:04,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:04:04" (1/1) ... [2022-11-20 20:04:04,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:04:04,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:04:10,090 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_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-11-20 20:04:10,095 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_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-11-20 20:04:10,097 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_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-11-20 20:04:10,097 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_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-11-20 20:04:10,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:04:10,295 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 20:04:10,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:04:11,310 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_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-11-20 20:04:11,311 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_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-11-20 20:04:11,311 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_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-11-20 20:04:11,312 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_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-11-20 20:04:11,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:04:11,435 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:04:12,110 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_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-11-20 20:04:12,111 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_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-11-20 20:04:12,117 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_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-11-20 20:04:12,118 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_e31111be-d04a-4838-bb74-ae080066398b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-11-20 20:04:12,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:04:12,590 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:04:12,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12 WrapperNode [2022-11-20 20:04:12,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:04:12,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:04:12,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:04:12,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:04:12,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12" (1/1) ... [2022-11-20 20:04:12,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12" (1/1) ... [2022-11-20 20:04:13,101 INFO L138 Inliner]: procedures = 718, calls = 6575, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 11189 [2022-11-20 20:04:13,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:04:13,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:04:13,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:04:13,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:04:13,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12" (1/1) ... [2022-11-20 20:04:13,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12" (1/1) ... [2022-11-20 20:04:13,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12" (1/1) ... [2022-11-20 20:04:13,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12" (1/1) ... [2022-11-20 20:04:13,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12" (1/1) ... [2022-11-20 20:04:13,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12" (1/1) ... [2022-11-20 20:04:13,594 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12" (1/1) ... [2022-11-20 20:04:13,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12" (1/1) ... [2022-11-20 20:04:13,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:04:13,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:04:13,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:04:13,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:04:13,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12" (1/1) ... [2022-11-20 20:04:13,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:04:13,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:04:13,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:04:13,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:04:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-11-20 20:04:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-11-20 20:04:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 20:04:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 20:04:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-11-20 20:04:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-11-20 20:04:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 20:04:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 20:04:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-20 20:04:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-20 20:04:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-20 20:04:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-20 20:04:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-11-20 20:04:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-11-20 20:04:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 20:04:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 20:04:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 20:04:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 20:04:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-11-20 20:04:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-11-20 20:04:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-11-20 20:04:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-11-20 20:04:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-20 20:04:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-20 20:04:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 20:04:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 20:04:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-11-20 20:04:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-11-20 20:04:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-11-20 20:04:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-11-20 20:04:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-11-20 20:04:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-11-20 20:04:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 20:04:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 20:04:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 20:04:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 20:04:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 20:04:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 20:04:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-11-20 20:04:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-11-20 20:04:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-11-20 20:04:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-11-20 20:04:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-11-20 20:04:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-11-20 20:04:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-11-20 20:04:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-11-20 20:04:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-20 20:04:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-20 20:04:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-20 20:04:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-20 20:04:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 20:04:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 20:04:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 20:04:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 20:04:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 20:04:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 20:04:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-20 20:04:13,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-20 20:04:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-11-20 20:04:13,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-11-20 20:04:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 20:04:13,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 20:04:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 20:04:13,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 20:04:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-11-20 20:04:13,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-11-20 20:04:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 20:04:13,814 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 20:04:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-20 20:04:13,815 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-20 20:04:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 20:04:13,816 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 20:04:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 20:04:13,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 20:04:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 20:04:13,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 20:04:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 20:04:13,816 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 20:04:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:04:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-11-20 20:04:13,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-11-20 20:04:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 20:04:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 20:04:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 20:04:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 20:04:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 20:04:13,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 20:04:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-11-20 20:04:13,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-11-20 20:04:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 20:04:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 20:04:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-11-20 20:04:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-11-20 20:04:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-20 20:04:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-20 20:04:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 20:04:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 20:04:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 20:04:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 20:04:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-20 20:04:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-20 20:04:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 20:04:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 20:04:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-11-20 20:04:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-11-20 20:04:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-11-20 20:04:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-11-20 20:04:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-11-20 20:04:13,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-11-20 20:04:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 20:04:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 20:04:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 20:04:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 20:04:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-20 20:04:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-20 20:04:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 20:04:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 20:04:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-11-20 20:04:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-11-20 20:04:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 20:04:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 20:04:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 20:04:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 20:04:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 20:04:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 20:04:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 20:04:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 20:04:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-20 20:04:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-20 20:04:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-11-20 20:04:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-11-20 20:04:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-11-20 20:04:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-11-20 20:04:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 20:04:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 20:04:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 20:04:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 20:04:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 20:04:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 20:04:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-20 20:04:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-20 20:04:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 20:04:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 20:04:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 20:04:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 20:04:13,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 20:04:13,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 20:04:13,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 20:04:13,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 20:04:13,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 20:04:13,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-20 20:04:13,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-20 20:04:13,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-20 20:04:13,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-20 20:04:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 20:04:13,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 20:04:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 20:04:13,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 20:04:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:04:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 20:04:13,865 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 20:04:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 20:04:13,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 20:04:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 20:04:13,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 20:04:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 20:04:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 20:04:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 20:04:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 20:04:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 20:04:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 20:04:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 20:04:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 20:04:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 20:04:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 20:04:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-20 20:04:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-20 20:04:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 20:04:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 20:04:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-11-20 20:04:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-11-20 20:04:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 20:04:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 20:04:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-11-20 20:04:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-11-20 20:04:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 20:04:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 20:04:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-11-20 20:04:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-11-20 20:04:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 20:04:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 20:04:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 20:04:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:04:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:04:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-11-20 20:04:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-11-20 20:04:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-11-20 20:04:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-11-20 20:04:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 20:04:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 20:04:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 20:04:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-11-20 20:04:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-11-20 20:04:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-20 20:04:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-20 20:04:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 20:04:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-11-20 20:04:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-11-20 20:04:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 20:04:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 20:04:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 20:04:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 20:04:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 20:04:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 20:04:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-20 20:04:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-20 20:04:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 20:04:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 20:04:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-11-20 20:04:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-11-20 20:04:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 20:04:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 20:04:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-20 20:04:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-20 20:04:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 20:04:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 20:04:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-11-20 20:04:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-11-20 20:04:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-11-20 20:04:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-11-20 20:04:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-11-20 20:04:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-11-20 20:04:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 20:04:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 20:04:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-20 20:04:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-20 20:04:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-11-20 20:04:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-11-20 20:04:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 20:04:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 20:04:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 20:04:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 20:04:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 20:04:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 20:04:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-11-20 20:04:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-11-20 20:04:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-11-20 20:04:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-11-20 20:04:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-11-20 20:04:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-11-20 20:04:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 20:04:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 20:04:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-20 20:04:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-20 20:04:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-11-20 20:04:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-11-20 20:04:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-11-20 20:04:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-11-20 20:04:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:04:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-20 20:04:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-20 20:04:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 20:04:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 20:04:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 20:04:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 20:04:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 20:04:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-11-20 20:04:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-11-20 20:04:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-20 20:04:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-20 20:04:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 20:04:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 20:04:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 20:04:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 20:04:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-11-20 20:04:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-11-20 20:04:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 20:04:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 20:04:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 20:04:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 20:04:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 20:04:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-11-20 20:04:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-11-20 20:04:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 20:04:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 20:04:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 20:04:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 20:04:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-11-20 20:04:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-11-20 20:04:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 20:04:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 20:04:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-11-20 20:04:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-11-20 20:04:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-11-20 20:04:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-11-20 20:04:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-11-20 20:04:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-11-20 20:04:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 20:04:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 20:04:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 20:04:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 20:04:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-11-20 20:04:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-11-20 20:04:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-11-20 20:04:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-11-20 20:04:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-20 20:04:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-20 20:04:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-11-20 20:04:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-11-20 20:04:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 20:04:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 20:04:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 20:04:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 20:04:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-11-20 20:04:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-11-20 20:04:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 20:04:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 20:04:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 20:04:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 20:04:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 20:04:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 20:04:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-11-20 20:04:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-11-20 20:04:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-11-20 20:04:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-11-20 20:04:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-11-20 20:04:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-11-20 20:04:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-11-20 20:04:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-11-20 20:04:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 20:04:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-11-20 20:04:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-11-20 20:04:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 20:04:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 20:04:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 20:04:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 20:04:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 20:04:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-11-20 20:04:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-11-20 20:04:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-11-20 20:04:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-11-20 20:04:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 20:04:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 20:04:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 20:04:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 20:04:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-11-20 20:04:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-11-20 20:04:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-11-20 20:04:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-11-20 20:04:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-11-20 20:04:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-11-20 20:04:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 20:04:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 20:04:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 20:04:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 20:04:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-11-20 20:04:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-11-20 20:04:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2022-11-20 20:04:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2022-11-20 20:04:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 20:04:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 20:04:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-11-20 20:04:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-11-20 20:04:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-11-20 20:04:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-11-20 20:04:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-20 20:04:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-20 20:04:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-11-20 20:04:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-11-20 20:04:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-11-20 20:04:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-11-20 20:04:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-11-20 20:04:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-11-20 20:04:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 20:04:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 20:04:15,342 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:04:15,347 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:04:16,949 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 20:07:01,796 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 20:07:06,539 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:07:06,584 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:07:06,584 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 20:07:06,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:07:06 BoogieIcfgContainer [2022-11-20 20:07:06,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:07:06,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:07:06,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:07:06,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:07:06,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:04:04" (1/3) ... [2022-11-20 20:07:06,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b2bfbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:07:06, skipping insertion in model container [2022-11-20 20:07:06,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:12" (2/3) ... [2022-11-20 20:07:06,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b2bfbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:07:06, skipping insertion in model container [2022-11-20 20:07:06,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:07:06" (3/3) ... [2022-11-20 20:07:06,605 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 20:07:06,627 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:07:06,627 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 20:07:06,772 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:07:06,779 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;@d0ea880, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:07:06,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-20 20:07:06,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 3371 states, 2327 states have (on average 1.2672969488611947) internal successors, (2949), 2371 states have internal predecessors, (2949), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) [2022-11-20 20:07:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-11-20 20:07:06,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:06,836 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:07:06,837 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 20:07:06,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:06,843 INFO L85 PathProgramCache]: Analyzing trace with hash 388199420, now seen corresponding path program 1 times [2022-11-20 20:07:06,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:07:06,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614124068] [2022-11-20 20:07:06,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:06,874 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 20:07:06,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:07:06,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:06,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:13,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 4946 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:07:13,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:07:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 20:07:13,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:07:13,362 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:07:13,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614124068] [2022-11-20 20:07:13,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614124068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:13,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:13,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:07:13,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056986529] [2022-11-20 20:07:13,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:13,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:07:13,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:07:13,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:07:13,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:07:13,434 INFO L87 Difference]: Start difference. First operand has 3371 states, 2327 states have (on average 1.2672969488611947) internal successors, (2949), 2371 states have internal predecessors, (2949), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) 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, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 20:07:14,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:14,944 INFO L93 Difference]: Finished difference Result 9891 states and 14105 transitions. [2022-11-20 20:07:14,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:07:14,947 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, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 261 [2022-11-20 20:07:14,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:15,032 INFO L225 Difference]: With dead ends: 9891 [2022-11-20 20:07:15,032 INFO L226 Difference]: Without dead ends: 6549 [2022-11-20 20:07:15,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 259 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 20:07:15,079 INFO L413 NwaCegarLoop]: 5463 mSDtfsCounter, 4462 mSDsluCounter, 4589 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4462 SdHoareTripleChecker+Valid, 10052 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:15,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4462 Valid, 10052 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 20:07:15,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6549 states. [2022-11-20 20:07:15,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6549 to 6543. [2022-11-20 20:07:15,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6543 states, 4543 states have (on average 1.2617213295179397) internal successors, (5732), 4627 states have internal predecessors, (5732), 1658 states have call successors, (1658), 339 states have call predecessors, (1658), 338 states have return successors, (1654), 1622 states have call predecessors, (1654), 1654 states have call successors, (1654) [2022-11-20 20:07:15,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6543 states to 6543 states and 9044 transitions. [2022-11-20 20:07:15,822 INFO L78 Accepts]: Start accepts. Automaton has 6543 states and 9044 transitions. Word has length 261 [2022-11-20 20:07:15,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:15,830 INFO L495 AbstractCegarLoop]: Abstraction has 6543 states and 9044 transitions. [2022-11-20 20:07:15,830 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, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 20:07:15,831 INFO L276 IsEmpty]: Start isEmpty. Operand 6543 states and 9044 transitions. [2022-11-20 20:07:15,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-20 20:07:15,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:15,846 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:07:15,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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)] Forceful destruction successful, exit code 0 [2022-11-20 20:07:16,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:16,059 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 20:07:16,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:16,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1717702971, now seen corresponding path program 1 times [2022-11-20 20:07:16,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:07:16,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953247403] [2022-11-20 20:07:16,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:16,070 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 20:07:16,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:07:16,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:16,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:21,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 5064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:07:21,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:07:21,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 20:07:21,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:07:21,899 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:07:21,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [953247403] [2022-11-20 20:07:21,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [953247403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:21,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:21,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:07:21,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929992105] [2022-11-20 20:07:21,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:21,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:07:21,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:07:21,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:07:21,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:07:21,904 INFO L87 Difference]: Start difference. First operand 6543 states and 9044 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 20:07:23,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:23,402 INFO L93 Difference]: Finished difference Result 16201 states and 22382 transitions. [2022-11-20 20:07:23,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:07:23,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 267 [2022-11-20 20:07:23,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:23,484 INFO L225 Difference]: With dead ends: 16201 [2022-11-20 20:07:23,485 INFO L226 Difference]: Without dead ends: 9705 [2022-11-20 20:07:23,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 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 20:07:23,524 INFO L413 NwaCegarLoop]: 5526 mSDtfsCounter, 4431 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4431 SdHoareTripleChecker+Valid, 10109 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:23,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4431 Valid, 10109 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 20:07:23,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9705 states. [2022-11-20 20:07:24,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9705 to 9671. [2022-11-20 20:07:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9671 states, 6710 states have (on average 1.2602086438152011) internal successors, (8456), 6838 states have internal predecessors, (8456), 2449 states have call successors, (2449), 509 states have call predecessors, (2449), 508 states have return successors, (2445), 2392 states have call predecessors, (2445), 2445 states have call successors, (2445) [2022-11-20 20:07:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9671 states to 9671 states and 13350 transitions. [2022-11-20 20:07:24,336 INFO L78 Accepts]: Start accepts. Automaton has 9671 states and 13350 transitions. Word has length 267 [2022-11-20 20:07:24,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:24,337 INFO L495 AbstractCegarLoop]: Abstraction has 9671 states and 13350 transitions. [2022-11-20 20:07:24,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 20:07:24,339 INFO L276 IsEmpty]: Start isEmpty. Operand 9671 states and 13350 transitions. [2022-11-20 20:07:24,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-20 20:07:24,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:24,347 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:07:24,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:24,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:24,571 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 20:07:24,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:24,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1771784959, now seen corresponding path program 1 times [2022-11-20 20:07:24,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:07:24,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568924570] [2022-11-20 20:07:24,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:24,586 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 20:07:24,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:07:24,587 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:24,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:30,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 5087 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:07:30,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:07:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 20:07:30,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:07:30,507 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:07:30,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1568924570] [2022-11-20 20:07:30,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1568924570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:30,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:30,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:07:30,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949453473] [2022-11-20 20:07:30,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:30,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:07:30,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:07:30,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:07:30,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:07:30,509 INFO L87 Difference]: Start difference. First operand 9671 states and 13350 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 20:07:31,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:31,738 INFO L93 Difference]: Finished difference Result 19079 states and 26312 transitions. [2022-11-20 20:07:31,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:07:31,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 269 [2022-11-20 20:07:31,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:31,821 INFO L225 Difference]: With dead ends: 19079 [2022-11-20 20:07:31,821 INFO L226 Difference]: Without dead ends: 9455 [2022-11-20 20:07:31,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 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 20:07:31,879 INFO L413 NwaCegarLoop]: 4530 mSDtfsCounter, 4428 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4428 SdHoareTripleChecker+Valid, 4618 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:31,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4428 Valid, 4618 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 20:07:31,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9455 states. [2022-11-20 20:07:32,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9455 to 9455. [2022-11-20 20:07:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9455 states, 6573 states have (on average 1.2593944926213296) internal successors, (8278), 6692 states have internal predecessors, (8278), 2375 states have call successors, (2375), 504 states have call predecessors, (2375), 503 states have return successors, (2371), 2321 states have call predecessors, (2371), 2371 states have call successors, (2371) [2022-11-20 20:07:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9455 states to 9455 states and 13024 transitions. [2022-11-20 20:07:32,723 INFO L78 Accepts]: Start accepts. Automaton has 9455 states and 13024 transitions. Word has length 269 [2022-11-20 20:07:32,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:32,725 INFO L495 AbstractCegarLoop]: Abstraction has 9455 states and 13024 transitions. [2022-11-20 20:07:32,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 20:07:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 9455 states and 13024 transitions. [2022-11-20 20:07:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-20 20:07:32,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:32,734 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:07:32,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:32,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:32,959 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 20:07:32,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:32,960 INFO L85 PathProgramCache]: Analyzing trace with hash -95401187, now seen corresponding path program 1 times [2022-11-20 20:07:32,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:07:32,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813329177] [2022-11-20 20:07:32,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:32,967 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 20:07:32,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:07:32,969 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:33,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:38,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 5100 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:07:38,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:07:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 20:07:38,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:07:38,643 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:07:38,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813329177] [2022-11-20 20:07:38,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813329177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:38,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:38,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:07:38,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728484448] [2022-11-20 20:07:38,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:38,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:07:38,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:07:38,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:07:38,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:07:38,648 INFO L87 Difference]: Start difference. First operand 9455 states and 13024 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 20:07:41,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:41,162 INFO L93 Difference]: Finished difference Result 27707 states and 38184 transitions. [2022-11-20 20:07:41,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:07:41,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 273 [2022-11-20 20:07:41,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:41,297 INFO L225 Difference]: With dead ends: 27707 [2022-11-20 20:07:41,298 INFO L226 Difference]: Without dead ends: 18320 [2022-11-20 20:07:41,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 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 20:07:41,347 INFO L413 NwaCegarLoop]: 5530 mSDtfsCounter, 4164 mSDsluCounter, 4416 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4164 SdHoareTripleChecker+Valid, 9946 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:41,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4164 Valid, 9946 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 20:07:41,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18320 states. [2022-11-20 20:07:43,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18320 to 18282. [2022-11-20 20:07:43,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18282 states, 12689 states have (on average 1.2558121207344946) internal successors, (15935), 12930 states have internal predecessors, (15935), 4591 states have call successors, (4591), 999 states have call predecessors, (4591), 998 states have return successors, (4587), 4478 states have call predecessors, (4587), 4587 states have call successors, (4587) [2022-11-20 20:07:43,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18282 states to 18282 states and 25113 transitions. [2022-11-20 20:07:43,399 INFO L78 Accepts]: Start accepts. Automaton has 18282 states and 25113 transitions. Word has length 273 [2022-11-20 20:07:43,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:43,400 INFO L495 AbstractCegarLoop]: Abstraction has 18282 states and 25113 transitions. [2022-11-20 20:07:43,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 20:07:43,400 INFO L276 IsEmpty]: Start isEmpty. Operand 18282 states and 25113 transitions. [2022-11-20 20:07:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-20 20:07:43,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:43,407 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:07:43,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:43,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:43,631 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 20:07:43,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:43,632 INFO L85 PathProgramCache]: Analyzing trace with hash 176393244, now seen corresponding path program 1 times [2022-11-20 20:07:43,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:07:43,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277924952] [2022-11-20 20:07:43,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:43,637 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 20:07:43,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:07:43,639 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:43,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:07:48,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 5116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:07:48,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:07:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 20:07:48,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:07:48,990 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:07:48,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277924952] [2022-11-20 20:07:48,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277924952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:07:48,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:07:48,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:07:48,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999916520] [2022-11-20 20:07:48,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:07:48,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:07:48,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:07:48,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:07:48,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:07:48,993 INFO L87 Difference]: Start difference. First operand 18282 states and 25113 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 20:07:51,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:07:51,871 INFO L93 Difference]: Finished difference Result 50466 states and 69407 transitions. [2022-11-20 20:07:51,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:07:51,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 273 [2022-11-20 20:07:51,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:07:52,050 INFO L225 Difference]: With dead ends: 50466 [2022-11-20 20:07:52,050 INFO L226 Difference]: Without dead ends: 32252 [2022-11-20 20:07:52,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 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 20:07:52,119 INFO L413 NwaCegarLoop]: 5210 mSDtfsCounter, 3492 mSDsluCounter, 4403 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3492 SdHoareTripleChecker+Valid, 9613 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:07:52,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3492 Valid, 9613 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 20:07:52,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32252 states. [2022-11-20 20:07:54,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32252 to 32210. [2022-11-20 20:07:55,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32210 states, 22272 states have (on average 1.2504489942528736) internal successors, (27850), 22697 states have internal predecessors, (27850), 8111 states have call successors, (8111), 1842 states have call predecessors, (8111), 1823 states have return successors, (8338), 7868 states have call predecessors, (8338), 8107 states have call successors, (8338) [2022-11-20 20:07:55,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32210 states to 32210 states and 44299 transitions. [2022-11-20 20:07:55,237 INFO L78 Accepts]: Start accepts. Automaton has 32210 states and 44299 transitions. Word has length 273 [2022-11-20 20:07:55,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:07:55,238 INFO L495 AbstractCegarLoop]: Abstraction has 32210 states and 44299 transitions. [2022-11-20 20:07:55,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 20:07:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 32210 states and 44299 transitions. [2022-11-20 20:07:55,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-11-20 20:07:55,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:07:55,253 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 21, 21, 21, 21, 21, 21, 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] [2022-11-20 20:07:55,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:55,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:55,475 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 20:07:55,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:07:55,476 INFO L85 PathProgramCache]: Analyzing trace with hash 860294280, now seen corresponding path program 1 times [2022-11-20 20:07:55,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:07:55,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355318130] [2022-11-20 20:07:55,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:07:55,482 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 20:07:55,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:07:55,484 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:07:55,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:08:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:08:00,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 5133 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:08:00,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:08:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 20:08:01,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:08:01,069 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:08:01,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355318130] [2022-11-20 20:08:01,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355318130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:08:01,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:08:01,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:08:01,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196108527] [2022-11-20 20:08:01,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:08:01,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:08:01,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:08:01,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:08:01,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:08:01,073 INFO L87 Difference]: Start difference. First operand 32210 states and 44299 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, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 20:08:05,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:08:05,333 INFO L93 Difference]: Finished difference Result 80149 states and 110134 transitions. [2022-11-20 20:08:05,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:08:05,333 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, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 298 [2022-11-20 20:08:05,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:08:05,623 INFO L225 Difference]: With dead ends: 80149 [2022-11-20 20:08:05,623 INFO L226 Difference]: Without dead ends: 48007 [2022-11-20 20:08:05,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:08:05,771 INFO L413 NwaCegarLoop]: 5530 mSDtfsCounter, 4325 mSDsluCounter, 4465 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4325 SdHoareTripleChecker+Valid, 9995 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 20:08:05,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4325 Valid, 9995 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 20:08:05,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48007 states. [2022-11-20 20:08:09,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48007 to 47959. [2022-11-20 20:08:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47959 states, 33176 states have (on average 1.2475283337352303) internal successors, (41388), 33834 states have internal predecessors, (41388), 12028 states have call successors, (12028), 2779 states have call predecessors, (12028), 2751 states have return successors, (12349), 11642 states have call predecessors, (12349), 12024 states have call successors, (12349) [2022-11-20 20:08:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47959 states to 47959 states and 65765 transitions. [2022-11-20 20:08:10,185 INFO L78 Accepts]: Start accepts. Automaton has 47959 states and 65765 transitions. Word has length 298 [2022-11-20 20:08:10,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:08:10,188 INFO L495 AbstractCegarLoop]: Abstraction has 47959 states and 65765 transitions. [2022-11-20 20:08:10,188 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, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 20:08:10,188 INFO L276 IsEmpty]: Start isEmpty. Operand 47959 states and 65765 transitions. [2022-11-20 20:08:10,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-20 20:08:10,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:08:10,196 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:08:10,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:08:10,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:08:10,411 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 20:08:10,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:08:10,412 INFO L85 PathProgramCache]: Analyzing trace with hash 75890871, now seen corresponding path program 1 times [2022-11-20 20:08:10,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:08:10,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432790763] [2022-11-20 20:08:10,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:08:10,419 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 20:08:10,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:08:10,421 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:08:10,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31111be-d04a-4838-bb74-ae080066398b/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 20:08:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:08:16,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 5306 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:08:16,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:08:16,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 20:08:16,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:08:16,408 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:08:16,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432790763] [2022-11-20 20:08:16,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1432790763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:08:16,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:08:16,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:08:16,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691939091] [2022-11-20 20:08:16,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:08:16,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:08:16,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:08:16,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:08:16,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:08:16,411 INFO L87 Difference]: Start difference. First operand 47959 states and 65765 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-20 20:08:21,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:08:21,932 INFO L93 Difference]: Finished difference Result 122160 states and 167146 transitions. [2022-11-20 20:08:21,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:08:21,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 306 [2022-11-20 20:08:21,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:08:22,569 INFO L225 Difference]: With dead ends: 122160 [2022-11-20 20:08:22,569 INFO L226 Difference]: Without dead ends: 74269 [2022-11-20 20:08:22,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 304 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 20:08:22,785 INFO L413 NwaCegarLoop]: 7216 mSDtfsCounter, 3633 mSDsluCounter, 4436 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3633 SdHoareTripleChecker+Valid, 11652 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 20:08:22,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3633 Valid, 11652 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 20:08:22,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74269 states. [2022-11-20 20:08:28,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74269 to 74207. [2022-11-20 20:08:28,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74207 states, 51340 states have (on average 1.2422867160109077) internal successors, (63779), 52383 states have internal predecessors, (63779), 18427 states have call successors, (18427), 4495 states have call predecessors, (18427), 4436 states have return successors, (18919), 17788 states have call predecessors, (18919), 18423 states have call successors, (18919)