./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.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_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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_f9447023-859c-4b0c-9889-090cb176bf19/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 45704baa505532991d887c6baed8540301aeab31c519983c43b4db9d2f3e9308 --- 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 21:12:57,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:12:57,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:12:57,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:12:57,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:12:57,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:12:57,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:12:57,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:12:57,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:12:57,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:12:57,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:12:57,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:12:57,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:12:57,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:12:57,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:12:57,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:12:57,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:12:57,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:12:57,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:12:57,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:12:57,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:12:57,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:12:57,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:12:57,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:12:57,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:12:57,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:12:57,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:12:57,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:12:57,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:12:57,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:12:57,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:12:57,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:12:57,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:12:57,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:12:57,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:12:57,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:12:57,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:12:57,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:12:57,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:12:57,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:12:57,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:12:57,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 21:12:57,184 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:12:57,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:12:57,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:12:57,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:12:57,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:12:57,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:12:57,186 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:12:57,187 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:12:57,187 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:12:57,187 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:12:57,188 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:12:57,188 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:12:57,188 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:12:57,189 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:12:57,189 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:12:57,189 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:12:57,190 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:12:57,190 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:12:57,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:12:57,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:12:57,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:12:57,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:12:57,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:12:57,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:12:57,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:12:57,193 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:12:57,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:12:57,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:12:57,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:12:57,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:12:57,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:12:57,195 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:12:57,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:12:57,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:12:57,196 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:12:57,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:12:57,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:12:57,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:12:57,197 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_f9447023-859c-4b0c-9889-090cb176bf19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45704baa505532991d887c6baed8540301aeab31c519983c43b4db9d2f3e9308 [2022-11-20 21:12:57,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:12:57,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:12:57,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:12:57,487 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:12:57,488 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:12:57,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 21:13:00,587 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:13:01,605 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:13:01,607 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 21:13:01,692 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/data/07ca1c102/9880a977f4f741b085ee63236887a502/FLAGea29f4e3f [2022-11-20 21:13:01,711 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/data/07ca1c102/9880a977f4f741b085ee63236887a502 [2022-11-20 21:13:01,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:13:01,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:13:01,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:13:01,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:13:01,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:13:01,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:13:01" (1/1) ... [2022-11-20 21:13:01,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae9485e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:01, skipping insertion in model container [2022-11-20 21:13:01,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:13:01" (1/1) ... [2022-11-20 21:13:01,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:13:02,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:13:06,915 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:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) 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 21:13:06,921 INFO L158 Benchmark]: Toolchain (without parser) took 5200.55ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 126.0MB in the beginning and 156.7MB in the end (delta: -30.7MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. [2022-11-20 21:13:06,921 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 146.8MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:13:06,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5196.33ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 126.0MB in the beginning and 156.7MB in the end (delta: -30.7MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. [2022-11-20 21:13:06,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 146.8MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5196.33ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 126.0MB in the beginning and 156.7MB in the end (delta: -30.7MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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_f9447023-859c-4b0c-9889-090cb176bf19/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 45704baa505532991d887c6baed8540301aeab31c519983c43b4db9d2f3e9308 --- 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 21:13:09,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:13:09,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:13:09,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:13:09,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:13:09,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:13:09,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:13:09,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:13:09,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:13:09,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:13:09,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:13:09,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:13:09,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:13:09,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:13:09,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:13:09,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:13:09,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:13:09,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:13:09,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:13:09,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:13:09,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:13:09,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:13:09,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:13:09,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:13:09,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:13:09,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:13:09,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:13:09,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:13:09,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:13:09,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:13:09,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:13:09,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:13:09,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:13:09,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:13:09,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:13:09,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:13:09,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:13:09,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:13:09,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:13:09,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:13:09,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:13:09,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 21:13:09,185 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:13:09,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:13:09,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:13:09,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:13:09,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:13:09,188 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:13:09,189 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:13:09,189 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:13:09,189 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:13:09,189 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:13:09,190 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:13:09,190 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:13:09,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:13:09,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:13:09,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:13:09,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:13:09,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:13:09,192 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:13:09,192 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 21:13:09,193 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 21:13:09,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:13:09,193 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:13:09,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:13:09,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:13:09,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 21:13:09,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:13:09,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:13:09,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:13:09,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:13:09,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:13:09,195 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 21:13:09,195 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 21:13:09,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:13:09,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:13:09,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 21:13:09,196 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_f9447023-859c-4b0c-9889-090cb176bf19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45704baa505532991d887c6baed8540301aeab31c519983c43b4db9d2f3e9308 [2022-11-20 21:13:09,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:13:09,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:13:09,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:13:09,634 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:13:09,635 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:13:09,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 21:13:12,795 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:13:13,920 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:13:13,921 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 21:13:13,998 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/data/ea066f15d/f98a223e69b9480984bc099fa60bbbaa/FLAG53606e48f [2022-11-20 21:13:14,028 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/data/ea066f15d/f98a223e69b9480984bc099fa60bbbaa [2022-11-20 21:13:14,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:13:14,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:13:14,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:13:14,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:13:14,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:13:14,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:13:14" (1/1) ... [2022-11-20 21:13:14,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633c178c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:14, skipping insertion in model container [2022-11-20 21:13:14,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:13:14" (1/1) ... [2022-11-20 21:13:14,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:13:14,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:13:23,438 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_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910514,910527] [2022-11-20 21:13:23,449 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_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910683,910696] [2022-11-20 21:13:23,450 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_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910850,910863] [2022-11-20 21:13:23,451 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_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[911018,911031] [2022-11-20 21:13:23,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:13:23,735 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 21:13:23,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:13:24,960 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_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910514,910527] [2022-11-20 21:13:24,960 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_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910683,910696] [2022-11-20 21:13:24,961 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_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910850,910863] [2022-11-20 21:13:24,961 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_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[911018,911031] [2022-11-20 21:13:24,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:13:25,092 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:13:26,351 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_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910514,910527] [2022-11-20 21:13:26,351 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_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910683,910696] [2022-11-20 21:13:26,352 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_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910850,910863] [2022-11-20 21:13:26,352 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_f9447023-859c-4b0c-9889-090cb176bf19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[911018,911031] [2022-11-20 21:13:26,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:13:26,804 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:13:26,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26 WrapperNode [2022-11-20 21:13:26,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:13:26,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:13:26,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:13:26,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:13:26,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26" (1/1) ... [2022-11-20 21:13:27,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26" (1/1) ... [2022-11-20 21:13:27,782 INFO L138 Inliner]: procedures = 716, calls = 11017, calls flagged for inlining = 355, calls inlined = 332, statements flattened = 23663 [2022-11-20 21:13:27,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:13:27,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:13:27,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:13:27,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:13:27,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26" (1/1) ... [2022-11-20 21:13:27,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26" (1/1) ... [2022-11-20 21:13:27,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26" (1/1) ... [2022-11-20 21:13:27,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26" (1/1) ... [2022-11-20 21:13:28,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26" (1/1) ... [2022-11-20 21:13:28,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26" (1/1) ... [2022-11-20 21:13:28,785 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26" (1/1) ... [2022-11-20 21:13:28,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26" (1/1) ... [2022-11-20 21:13:29,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:13:29,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:13:29,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:13:29,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:13:29,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26" (1/1) ... [2022-11-20 21:13:29,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:13:29,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:13:29,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:13:29,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:13:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2022-11-20 21:13:29,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2022-11-20 21:13:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2022-11-20 21:13:29,195 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2022-11-20 21:13:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2022-11-20 21:13:29,195 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2022-11-20 21:13:29,196 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-20 21:13:29,196 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-20 21:13:29,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 21:13:29,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 21:13:29,197 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2022-11-20 21:13:29,197 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2022-11-20 21:13:29,197 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2022-11-20 21:13:29,197 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2022-11-20 21:13:29,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_4 [2022-11-20 21:13:29,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_4 [2022-11-20 21:13:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-20 21:13:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-20 21:13:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2022-11-20 21:13:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2022-11-20 21:13:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2022-11-20 21:13:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2022-11-20 21:13:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 21:13:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 21:13:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-11-20 21:13:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-11-20 21:13:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-20 21:13:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-20 21:13:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 21:13:29,202 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 21:13:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-11-20 21:13:29,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-11-20 21:13:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2022-11-20 21:13:29,202 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2022-11-20 21:13:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2022-11-20 21:13:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2022-11-20 21:13:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 21:13:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 21:13:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2022-11-20 21:13:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2022-11-20 21:13:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2022-11-20 21:13:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2022-11-20 21:13:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 21:13:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-20 21:13:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-20 21:13:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 21:13:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 21:13:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-20 21:13:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-20 21:13:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2022-11-20 21:13:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2022-11-20 21:13:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 21:13:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 21:13:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 21:13:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 21:13:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2022-11-20 21:13:29,208 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2022-11-20 21:13:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2022-11-20 21:13:29,208 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2022-11-20 21:13:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2022-11-20 21:13:29,209 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2022-11-20 21:13:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:13:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2022-11-20 21:13:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2022-11-20 21:13:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2022-11-20 21:13:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2022-11-20 21:13:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 21:13:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 21:13:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 21:13:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 21:13:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-20 21:13:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-20 21:13:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2022-11-20 21:13:29,213 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2022-11-20 21:13:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2022-11-20 21:13:29,213 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2022-11-20 21:13:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-20 21:13:29,213 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-20 21:13:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-20 21:13:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-20 21:13:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-11-20 21:13:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-11-20 21:13:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 21:13:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 21:13:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-20 21:13:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-20 21:13:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 21:13:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 21:13:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2022-11-20 21:13:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2022-11-20 21:13:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2022-11-20 21:13:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2022-11-20 21:13:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 21:13:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 21:13:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_fw_clk_off_timer_callback [2022-11-20 21:13:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_fw_clk_off_timer_callback [2022-11-20 21:13:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 21:13:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 21:13:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2022-11-20 21:13:29,218 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2022-11-20 21:13:29,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 21:13:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 21:13:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-20 21:13:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-20 21:13:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-20 21:13:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-20 21:13:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2022-11-20 21:13:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2022-11-20 21:13:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_80 [2022-11-20 21:13:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_80 [2022-11-20 21:13:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2022-11-20 21:13:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2022-11-20 21:13:29,231 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-20 21:13:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-20 21:13:29,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-20 21:13:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-20 21:13:29,232 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2022-11-20 21:13:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2022-11-20 21:13:29,232 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2022-11-20 21:13:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2022-11-20 21:13:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_74 [2022-11-20 21:13:29,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_74 [2022-11-20 21:13:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_71 [2022-11-20 21:13:29,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_71 [2022-11-20 21:13:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_70 [2022-11-20 21:13:29,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_70 [2022-11-20 21:13:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2022-11-20 21:13:29,233 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2022-11-20 21:13:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-20 21:13:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-20 21:13:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 21:13:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 21:13:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-20 21:13:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-20 21:13:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 21:13:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_4_2 [2022-11-20 21:13:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_4_2 [2022-11-20 21:13:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 21:13:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 21:13:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2022-11-20 21:13:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2022-11-20 21:13:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:13:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 21:13:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 21:13:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 21:13:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 21:13:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 21:13:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 21:13:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 21:13:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 21:13:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2022-11-20 21:13:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2022-11-20 21:13:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 21:13:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 21:13:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 21:13:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2022-11-20 21:13:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2022-11-20 21:13:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2022-11-20 21:13:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2022-11-20 21:13:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 21:13:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 21:13:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2022-11-20 21:13:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2022-11-20 21:13:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2022-11-20 21:13:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2022-11-20 21:13:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 21:13:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 21:13:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2022-11-20 21:13:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2022-11-20 21:13:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-20 21:13:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-20 21:13:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2022-11-20 21:13:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2022-11-20 21:13:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2022-11-20 21:13:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2022-11-20 21:13:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2022-11-20 21:13:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2022-11-20 21:13:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 21:13:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65 [2022-11-20 21:13:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65 [2022-11-20 21:13:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2022-11-20 21:13:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2022-11-20 21:13:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2022-11-20 21:13:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2022-11-20 21:13:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-20 21:13:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-20 21:13:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2022-11-20 21:13:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2022-11-20 21:13:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:13:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:13:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-20 21:13:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-20 21:13:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 21:13:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2022-11-20 21:13:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2022-11-20 21:13:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 21:13:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 21:13:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2022-11-20 21:13:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2022-11-20 21:13:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2022-11-20 21:13:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2022-11-20 21:13:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 21:13:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 21:13:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 21:13:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 21:13:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 21:13:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2022-11-20 21:13:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2022-11-20 21:13:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-20 21:13:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-20 21:13:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 21:13:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 21:13:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 21:13:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 21:13:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_6_2 [2022-11-20 21:13:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_6_2 [2022-11-20 21:13:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-20 21:13:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-20 21:13:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-20 21:13:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-20 21:13:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2022-11-20 21:13:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2022-11-20 21:13:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65___0 [2022-11-20 21:13:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65___0 [2022-11-20 21:13:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2022-11-20 21:13:29,249 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2022-11-20 21:13:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_antenna_training_callback [2022-11-20 21:13:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_antenna_training_callback [2022-11-20 21:13:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-20 21:13:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-20 21:13:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2022-11-20 21:13:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2022-11-20 21:13:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-20 21:13:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-20 21:13:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-20 21:13:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-20 21:13:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 21:13:29,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 21:13:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2022-11-20 21:13:29,256 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2022-11-20 21:13:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 21:13:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 21:13:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-20 21:13:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-20 21:13:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2022-11-20 21:13:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2022-11-20 21:13:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 21:13:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 21:13:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2022-11-20 21:13:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2022-11-20 21:13:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2022-11-20 21:13:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2022-11-20 21:13:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2022-11-20 21:13:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2022-11-20 21:13:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2022-11-20 21:13:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2022-11-20 21:13:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2022-11-20 21:13:29,259 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2022-11-20 21:13:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:13:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 21:13:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2022-11-20 21:13:29,259 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2022-11-20 21:13:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65___0 [2022-11-20 21:13:29,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65___0 [2022-11-20 21:13:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2022-11-20 21:13:29,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2022-11-20 21:13:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2022-11-20 21:13:29,260 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2022-11-20 21:13:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-20 21:13:29,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-20 21:13:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-20 21:13:29,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-20 21:13:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 21:13:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 21:13:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 21:13:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 21:13:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 21:13:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-20 21:13:29,261 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-20 21:13:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 21:13:29,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 21:13:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-20 21:13:29,262 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-20 21:13:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___3 [2022-11-20 21:13:29,262 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___3 [2022-11-20 21:13:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2022-11-20 21:13:29,262 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2022-11-20 21:13:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 21:13:29,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 21:13:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2022-11-20 21:13:29,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2022-11-20 21:13:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2022-11-20 21:13:29,263 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2022-11-20 21:13:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2022-11-20 21:13:29,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2022-11-20 21:13:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-20 21:13:29,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-20 21:13:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-11-20 21:13:29,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-11-20 21:13:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2022-11-20 21:13:29,264 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2022-11-20 21:13:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_off_low_power [2022-11-20 21:13:29,264 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_off_low_power [2022-11-20 21:13:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-20 21:13:29,265 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-20 21:13:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-20 21:13:29,265 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-20 21:13:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-20 21:13:29,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-20 21:13:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2022-11-20 21:13:29,265 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2022-11-20 21:13:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2022-11-20 21:13:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2022-11-20 21:13:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-20 21:13:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-20 21:13:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64___0 [2022-11-20 21:13:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64___0 [2022-11-20 21:13:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-20 21:13:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-20 21:13:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 21:13:29,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 21:13:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2022-11-20 21:13:29,267 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2022-11-20 21:13:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2022-11-20 21:13:29,267 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2022-11-20 21:13:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-11-20 21:13:29,267 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-11-20 21:13:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2022-11-20 21:13:29,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2022-11-20 21:13:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 21:13:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 21:13:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 21:13:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 21:13:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2022-11-20 21:13:29,268 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2022-11-20 21:13:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 21:13:29,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 21:13:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-20 21:13:29,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-20 21:13:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64 [2022-11-20 21:13:29,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64 [2022-11-20 21:13:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-11-20 21:13:29,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-11-20 21:13:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2022-11-20 21:13:29,270 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2022-11-20 21:13:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2022-11-20 21:13:29,270 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2022-11-20 21:13:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-20 21:13:29,270 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-20 21:13:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-20 21:13:29,270 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-20 21:13:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2022-11-20 21:13:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2022-11-20 21:13:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2022-11-20 21:13:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2022-11-20 21:13:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 21:13:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 21:13:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-20 21:13:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-20 21:13:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2022-11-20 21:13:29,272 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2022-11-20 21:13:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-20 21:13:29,272 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-20 21:13:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-20 21:13:29,272 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-20 21:13:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 21:13:29,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 21:13:29,273 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2022-11-20 21:13:29,273 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2022-11-20 21:13:29,273 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 21:13:29,276 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 21:13:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-20 21:13:29,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-20 21:13:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2022-11-20 21:13:29,277 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2022-11-20 21:13:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2022-11-20 21:13:29,277 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2022-11-20 21:13:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-20 21:13:29,278 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-20 21:13:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-11-20 21:13:29,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-11-20 21:13:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2022-11-20 21:13:29,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2022-11-20 21:13:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-20 21:13:29,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-20 21:13:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-20 21:13:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-20 21:13:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 21:13:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 21:13:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2022-11-20 21:13:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2022-11-20 21:13:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-20 21:13:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-20 21:13:31,586 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:13:31,594 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:13:37,004 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 21:21:31,409 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:21:31,454 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:21:31,454 INFO L300 CfgBuilder]: Removed 20 assume(true) statements. [2022-11-20 21:21:31,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:21:31 BoogieIcfgContainer [2022-11-20 21:21:31,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:21:31,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:21:31,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:21:31,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:21:31,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:13:14" (1/3) ... [2022-11-20 21:21:31,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b554090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:21:31, skipping insertion in model container [2022-11-20 21:21:31,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:26" (2/3) ... [2022-11-20 21:21:31,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b554090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:21:31, skipping insertion in model container [2022-11-20 21:21:31,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:21:31" (3/3) ... [2022-11-20 21:21:31,476 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 21:21:31,495 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:21:31,495 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-20 21:21:31,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:21:31,696 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;@31fc2986, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:21:31,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 21:21:31,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 7239 states, 4867 states have (on average 1.3649065132525169) internal successors, (6643), 5058 states have internal predecessors, (6643), 2197 states have call successors, (2197), 180 states have call predecessors, (2197), 179 states have return successors, (2189), 2108 states have call predecessors, (2189), 2189 states have call successors, (2189) [2022-11-20 21:21:31,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 21:21:31,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:21:31,737 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-20 21:21:31,737 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:21:31,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:21:31,744 INFO L85 PathProgramCache]: Analyzing trace with hash -982762209, now seen corresponding path program 1 times [2022-11-20 21:21:31,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:21:31,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988291380] [2022-11-20 21:21:31,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:21:31,777 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 21:21:31,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:21:31,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:21:31,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:21:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:21:52,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 10256 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:21:52,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:21:55,505 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 21:21:55,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:21:55,506 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:21:55,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988291380] [2022-11-20 21:21:55,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988291380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:21:55,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:21:55,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 21:21:55,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825509881] [2022-11-20 21:21:55,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:21:55,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:21:55,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:21:55,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:21:55,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:21:55,571 INFO L87 Difference]: Start difference. First operand has 7239 states, 4867 states have (on average 1.3649065132525169) internal successors, (6643), 5058 states have internal predecessors, (6643), 2197 states have call successors, (2197), 180 states have call predecessors, (2197), 179 states have return successors, (2189), 2108 states have call predecessors, (2189), 2189 states have call successors, (2189) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 21:21:57,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:21:57,454 INFO L93 Difference]: Finished difference Result 9458 states and 14517 transitions. [2022-11-20 21:21:57,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:21:57,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 48 [2022-11-20 21:21:57,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:21:57,528 INFO L225 Difference]: With dead ends: 9458 [2022-11-20 21:21:57,528 INFO L226 Difference]: Without dead ends: 4268 [2022-11-20 21:21:57,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:21:57,590 INFO L413 NwaCegarLoop]: 6986 mSDtfsCounter, 6960 mSDsluCounter, 13955 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6961 SdHoareTripleChecker+Valid, 20941 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 21:21:57,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6961 Valid, 20941 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 21:21:57,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4268 states. [2022-11-20 21:21:58,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4268 to 4268. [2022-11-20 21:21:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4268 states, 2956 states have (on average 1.323748308525034) internal successors, (3913), 3051 states have internal predecessors, (3913), 1173 states have call successors, (1173), 143 states have call predecessors, (1173), 136 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-11-20 21:21:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4268 states to 4268 states and 6241 transitions. [2022-11-20 21:21:58,188 INFO L78 Accepts]: Start accepts. Automaton has 4268 states and 6241 transitions. Word has length 48 [2022-11-20 21:21:58,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:21:58,189 INFO L495 AbstractCegarLoop]: Abstraction has 4268 states and 6241 transitions. [2022-11-20 21:21:58,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 21:21:58,190 INFO L276 IsEmpty]: Start isEmpty. Operand 4268 states and 6241 transitions. [2022-11-20 21:21:58,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 21:21:58,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:21:58,195 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-20 21:21:58,419 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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)] Forcibly destroying the process [2022-11-20 21:21:58,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:21:58,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:21:58,533 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:21:58,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:21:58,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1235187579, now seen corresponding path program 1 times [2022-11-20 21:21:58,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:21:58,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076273353] [2022-11-20 21:21:58,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:21:58,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 21:21:58,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:21:58,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:21:58,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:22:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:19,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 10263 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:22:19,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:22:22,048 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 21:22:22,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:22:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 21:22:23,554 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:22:23,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076273353] [2022-11-20 21:22:23,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076273353] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 21:22:23,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:22:23,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 21:22:23,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023963092] [2022-11-20 21:22:23,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:22:23,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:22:23,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:22:23,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:22:23,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:22:23,558 INFO L87 Difference]: Start difference. First operand 4268 states and 6241 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 21:22:25,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:22:25,296 INFO L93 Difference]: Finished difference Result 4274 states and 6246 transitions. [2022-11-20 21:22:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:22:25,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-11-20 21:22:25,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:22:25,331 INFO L225 Difference]: With dead ends: 4274 [2022-11-20 21:22:25,332 INFO L226 Difference]: Without dead ends: 4272 [2022-11-20 21:22:25,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 21:22:25,339 INFO L413 NwaCegarLoop]: 6238 mSDtfsCounter, 6205 mSDsluCounter, 12452 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6220 SdHoareTripleChecker+Valid, 18690 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 21:22:25,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6220 Valid, 18690 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 21:22:25,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4272 states. [2022-11-20 21:22:25,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4272 to 4272. [2022-11-20 21:22:25,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4272 states, 2959 states have (on average 1.3234200743494424) internal successors, (3916), 3054 states have internal predecessors, (3916), 1173 states have call successors, (1173), 144 states have call predecessors, (1173), 137 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-11-20 21:22:25,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 6244 transitions. [2022-11-20 21:22:25,712 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 6244 transitions. Word has length 53 [2022-11-20 21:22:25,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:22:25,713 INFO L495 AbstractCegarLoop]: Abstraction has 4272 states and 6244 transitions. [2022-11-20 21:22:25,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 21:22:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 6244 transitions. [2022-11-20 21:22:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 21:22:25,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:25,723 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-11-20 21:22:25,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:22:25,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:22:25,937 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:22:25,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:25,938 INFO L85 PathProgramCache]: Analyzing trace with hash 58420831, now seen corresponding path program 1 times [2022-11-20 21:22:25,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:22:25,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563861782] [2022-11-20 21:22:25,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:25,956 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 21:22:25,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:22:25,957 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:22:25,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:22:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:45,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 10270 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:22:45,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:22:48,439 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 21:22:48,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:22:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 21:22:49,918 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:22:49,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563861782] [2022-11-20 21:22:49,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563861782] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 21:22:49,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:22:49,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 21:22:49,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420433339] [2022-11-20 21:22:49,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:22:49,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:22:49,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:22:49,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:22:49,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:22:49,922 INFO L87 Difference]: Start difference. First operand 4272 states and 6244 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 21:22:51,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:22:51,577 INFO L93 Difference]: Finished difference Result 4278 states and 6249 transitions. [2022-11-20 21:22:51,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:22:51,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2022-11-20 21:22:51,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:22:51,606 INFO L225 Difference]: With dead ends: 4278 [2022-11-20 21:22:51,606 INFO L226 Difference]: Without dead ends: 4276 [2022-11-20 21:22:51,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 21:22:51,613 INFO L413 NwaCegarLoop]: 6238 mSDtfsCounter, 6205 mSDsluCounter, 12452 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6219 SdHoareTripleChecker+Valid, 18690 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 21:22:51,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6219 Valid, 18690 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 21:22:51,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2022-11-20 21:22:52,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4276. [2022-11-20 21:22:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4276 states, 2962 states have (on average 1.3230925050641458) internal successors, (3919), 3057 states have internal predecessors, (3919), 1173 states have call successors, (1173), 145 states have call predecessors, (1173), 138 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-11-20 21:22:52,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 6247 transitions. [2022-11-20 21:22:52,152 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 6247 transitions. Word has length 58 [2022-11-20 21:22:52,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:22:52,153 INFO L495 AbstractCegarLoop]: Abstraction has 4276 states and 6247 transitions. [2022-11-20 21:22:52,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 21:22:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 6247 transitions. [2022-11-20 21:22:52,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 21:22:52,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:52,155 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2022-11-20 21:22:52,379 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-11-20 21:22:52,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:22:52,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:22:52,417 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:22:52,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:52,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2015937093, now seen corresponding path program 1 times [2022-11-20 21:22:52,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:22:52,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222588636] [2022-11-20 21:22:52,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:52,431 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 21:22:52,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:22:52,432 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:22:52,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:23:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:23:11,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 10277 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:23:11,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:23:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 21:23:15,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:23:16,591 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 21:23:16,592 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:23:16,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222588636] [2022-11-20 21:23:16,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [222588636] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 21:23:16,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:23:16,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 21:23:16,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779969430] [2022-11-20 21:23:16,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:23:16,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:23:16,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:23:16,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:23:16,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:23:16,594 INFO L87 Difference]: Start difference. First operand 4276 states and 6247 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 21:23:18,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:23:18,464 INFO L93 Difference]: Finished difference Result 4296 states and 6263 transitions. [2022-11-20 21:23:18,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:23:18,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-11-20 21:23:18,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:23:18,499 INFO L225 Difference]: With dead ends: 4296 [2022-11-20 21:23:18,499 INFO L226 Difference]: Without dead ends: 4294 [2022-11-20 21:23:18,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 21:23:18,506 INFO L413 NwaCegarLoop]: 6238 mSDtfsCounter, 6174 mSDsluCounter, 12492 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6187 SdHoareTripleChecker+Valid, 18730 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 21:23:18,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6187 Valid, 18730 Invalid, 27 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 21:23:18,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4294 states. [2022-11-20 21:23:18,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4294 to 4292. [2022-11-20 21:23:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4292 states, 2974 states have (on average 1.3221250840618695) internal successors, (3932), 3069 states have internal predecessors, (3932), 1173 states have call successors, (1173), 149 states have call predecessors, (1173), 142 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-11-20 21:23:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4292 states to 4292 states and 6260 transitions. [2022-11-20 21:23:18,995 INFO L78 Accepts]: Start accepts. Automaton has 4292 states and 6260 transitions. Word has length 63 [2022-11-20 21:23:18,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:23:18,996 INFO L495 AbstractCegarLoop]: Abstraction has 4292 states and 6260 transitions. [2022-11-20 21:23:18,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 21:23:18,996 INFO L276 IsEmpty]: Start isEmpty. Operand 4292 states and 6260 transitions. [2022-11-20 21:23:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 21:23:18,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:23:18,998 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:19,219 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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)] Forcibly destroying the process [2022-11-20 21:23:19,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:23:19,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:23:19,294 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:23:19,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:23:19,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1001842230, now seen corresponding path program 1 times [2022-11-20 21:23:19,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:23:19,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021419070] [2022-11-20 21:23:19,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:23:19,311 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 21:23:19,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:23:19,312 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:23:19,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:23:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:23:38,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 10324 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 21:23:38,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:23:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-20 21:23:44,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:23:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-20 21:23:49,659 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:23:49,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021419070] [2022-11-20 21:23:49,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1021419070] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:23:49,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1769135078] [2022-11-20 21:23:49,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:23:49,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 21:23:49,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/cvc4 [2022-11-20 21:23:49,681 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 21:23:49,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-20 21:23:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:23:57,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 10324 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:23:57,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:24:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-20 21:24:02,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:24:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-20 21:24:06,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1769135078] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 21:24:06,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:24:06,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15, 15, 4] total 23 [2022-11-20 21:24:06,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55225413] [2022-11-20 21:24:06,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:24:06,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:24:06,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:24:06,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:24:06,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2022-11-20 21:24:06,206 INFO L87 Difference]: Start difference. First operand 4292 states and 6260 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 21:24:09,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:24:09,033 INFO L93 Difference]: Finished difference Result 4308 states and 6273 transitions. [2022-11-20 21:24:09,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:24:09,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 81 [2022-11-20 21:24:09,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:24:09,062 INFO L225 Difference]: With dead ends: 4308 [2022-11-20 21:24:09,062 INFO L226 Difference]: Without dead ends: 4306 [2022-11-20 21:24:09,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2022-11-20 21:24:09,067 INFO L413 NwaCegarLoop]: 6241 mSDtfsCounter, 6158 mSDsluCounter, 12504 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6170 SdHoareTripleChecker+Valid, 18745 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 21:24:09,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6170 Valid, 18745 Invalid, 27 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 21:24:09,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4306 states. [2022-11-20 21:24:09,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4306 to 4304. [2022-11-20 21:24:09,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4304 states, 2983 states have (on average 1.321488434461951) internal successors, (3942), 3078 states have internal predecessors, (3942), 1173 states have call successors, (1173), 152 states have call predecessors, (1173), 145 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-11-20 21:24:09,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4304 states to 4304 states and 6270 transitions. [2022-11-20 21:24:09,568 INFO L78 Accepts]: Start accepts. Automaton has 4304 states and 6270 transitions. Word has length 81 [2022-11-20 21:24:09,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:24:09,570 INFO L495 AbstractCegarLoop]: Abstraction has 4304 states and 6270 transitions. [2022-11-20 21:24:09,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 21:24:09,570 INFO L276 IsEmpty]: Start isEmpty. Operand 4304 states and 6270 transitions. [2022-11-20 21:24:09,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 21:24:09,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:24:09,572 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 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] [2022-11-20 21:24:09,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2022-11-20 21:24:09,987 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forcibly destroying the process [2022-11-20 21:24:09,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:24:09,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:24:10,000 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:24:10,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:24:10,000 INFO L85 PathProgramCache]: Analyzing trace with hash -349314053, now seen corresponding path program 1 times [2022-11-20 21:24:10,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:24:10,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481706398] [2022-11-20 21:24:10,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:24:10,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 21:24:10,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:24:10,018 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:24:10,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:24:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:24:29,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 10291 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:24:29,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:24:32,815 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 21:24:32,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:24:34,491 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 21:24:34,491 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:24:34,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481706398] [2022-11-20 21:24:34,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481706398] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 21:24:34,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:24:34,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 21:24:34,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488531312] [2022-11-20 21:24:34,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:24:34,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:24:34,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:24:34,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:24:34,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:24:34,494 INFO L87 Difference]: Start difference. First operand 4304 states and 6270 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 21:24:36,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:24:36,333 INFO L93 Difference]: Finished difference Result 4333 states and 6293 transitions. [2022-11-20 21:24:36,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:24:36,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2022-11-20 21:24:36,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:24:36,375 INFO L225 Difference]: With dead ends: 4333 [2022-11-20 21:24:36,376 INFO L226 Difference]: Without dead ends: 4331 [2022-11-20 21:24:36,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 21:24:36,380 INFO L413 NwaCegarLoop]: 6245 mSDtfsCounter, 6160 mSDsluCounter, 12527 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6171 SdHoareTripleChecker+Valid, 18772 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 21:24:36,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6171 Valid, 18772 Invalid, 27 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 21:24:36,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2022-11-20 21:24:36,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 4329. [2022-11-20 21:24:36,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4329 states, 3002 states have (on average 1.3197868087941373) internal successors, (3962), 3097 states have internal predecessors, (3962), 1173 states have call successors, (1173), 158 states have call predecessors, (1173), 151 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-11-20 21:24:36,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4329 states to 4329 states and 6290 transitions. [2022-11-20 21:24:36,940 INFO L78 Accepts]: Start accepts. Automaton has 4329 states and 6290 transitions. Word has length 73 [2022-11-20 21:24:36,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:24:36,941 INFO L495 AbstractCegarLoop]: Abstraction has 4329 states and 6290 transitions. [2022-11-20 21:24:36,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 21:24:36,942 INFO L276 IsEmpty]: Start isEmpty. Operand 4329 states and 6290 transitions. [2022-11-20 21:24:36,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 21:24:36,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:24:36,944 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 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] [2022-11-20 21:24:37,160 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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)] Forcibly destroying the process [2022-11-20 21:24:37,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 21:24:37,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:24:37,202 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:24:37,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:24:37,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1357983967, now seen corresponding path program 1 times [2022-11-20 21:24:37,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:24:37,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1782971864] [2022-11-20 21:24:37,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:24:37,221 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 21:24:37,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:24:37,222 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:24:37,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 21:24:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:24:57,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 10298 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:24:57,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:25:00,710 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-20 21:25:00,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:25:02,502 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-20 21:25:02,503 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:25:02,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1782971864] [2022-11-20 21:25:02,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1782971864] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 21:25:02,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:25:02,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 21:25:02,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292288120] [2022-11-20 21:25:02,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:25:02,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:25:02,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:25:02,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:25:02,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:25:02,505 INFO L87 Difference]: Start difference. First operand 4329 states and 6290 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 21:25:04,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:25:04,301 INFO L93 Difference]: Finished difference Result 4335 states and 6295 transitions. [2022-11-20 21:25:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:25:04,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 78 [2022-11-20 21:25:04,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:25:04,324 INFO L225 Difference]: With dead ends: 4335 [2022-11-20 21:25:04,324 INFO L226 Difference]: Without dead ends: 4333 [2022-11-20 21:25:04,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 21:25:04,328 INFO L413 NwaCegarLoop]: 6238 mSDtfsCounter, 6205 mSDsluCounter, 12452 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6215 SdHoareTripleChecker+Valid, 18690 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:25:04,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6215 Valid, 18690 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 21:25:04,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4333 states. [2022-11-20 21:25:04,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4333 to 4333. [2022-11-20 21:25:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4333 states, 3005 states have (on average 1.319467554076539) internal successors, (3965), 3100 states have internal predecessors, (3965), 1173 states have call successors, (1173), 159 states have call predecessors, (1173), 152 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-11-20 21:25:04,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4333 states to 4333 states and 6293 transitions. [2022-11-20 21:25:04,898 INFO L78 Accepts]: Start accepts. Automaton has 4333 states and 6293 transitions. Word has length 78 [2022-11-20 21:25:04,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:25:04,899 INFO L495 AbstractCegarLoop]: Abstraction has 4333 states and 6293 transitions. [2022-11-20 21:25:04,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 21:25:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 4333 states and 6293 transitions. [2022-11-20 21:25:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 21:25:04,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:25:04,909 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:25:05,136 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forcibly destroying the process [2022-11-20 21:25:05,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 21:25:05,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:25:05,184 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:25:05,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:25:05,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1622993744, now seen corresponding path program 1 times [2022-11-20 21:25:05,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:25:05,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047122432] [2022-11-20 21:25:05,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:25:05,199 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 21:25:05,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:25:05,200 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:25:05,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 21:25:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:25:24,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 10345 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 21:25:24,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:25:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-20 21:25:30,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:25:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-20 21:25:35,609 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:25:35,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047122432] [2022-11-20 21:25:35,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047122432] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:25:35,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2063803630] [2022-11-20 21:25:35,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:25:35,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 21:25:35,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/cvc4 [2022-11-20 21:25:35,610 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 21:25:35,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-11-20 21:25:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:25:43,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 10345 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:25:43,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:25:50,004 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-20 21:25:50,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:25:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-20 21:25:53,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2063803630] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 21:25:53,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:25:53,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15, 15, 4] total 23 [2022-11-20 21:25:53,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236820003] [2022-11-20 21:25:53,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:25:53,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:25:53,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:25:53,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:25:53,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2022-11-20 21:25:53,406 INFO L87 Difference]: Start difference. First operand 4333 states and 6293 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 21:25:56,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:25:56,216 INFO L93 Difference]: Finished difference Result 4459 states and 6437 transitions. [2022-11-20 21:25:56,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:25:56,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 96 [2022-11-20 21:25:56,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:25:56,235 INFO L225 Difference]: With dead ends: 4459 [2022-11-20 21:25:56,235 INFO L226 Difference]: Without dead ends: 4457 [2022-11-20 21:25:56,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2022-11-20 21:25:56,239 INFO L413 NwaCegarLoop]: 6259 mSDtfsCounter, 6179 mSDsluCounter, 12649 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6188 SdHoareTripleChecker+Valid, 18908 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:25:56,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6188 Valid, 18908 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 21:25:56,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4457 states. [2022-11-20 21:25:56,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4457 to 4455. [2022-11-20 21:25:56,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4455 states, 3091 states have (on average 1.3147848592688451) internal successors, (4064), 3187 states have internal predecessors, (4064), 1194 states have call successors, (1194), 174 states have call predecessors, (1194), 167 states have return successors, (1176), 1134 states have call predecessors, (1176), 1176 states have call successors, (1176) [2022-11-20 21:25:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4455 states to 4455 states and 6434 transitions. [2022-11-20 21:25:56,735 INFO L78 Accepts]: Start accepts. Automaton has 4455 states and 6434 transitions. Word has length 96 [2022-11-20 21:25:56,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:25:56,735 INFO L495 AbstractCegarLoop]: Abstraction has 4455 states and 6434 transitions. [2022-11-20 21:25:56,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 21:25:56,736 INFO L276 IsEmpty]: Start isEmpty. Operand 4455 states and 6434 transitions. [2022-11-20 21:25:56,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 21:25:56,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:25:56,737 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 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] [2022-11-20 21:25:56,951 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forcibly destroying the process [2022-11-20 21:25:57,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 21:25:57,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2022-11-20 21:25:57,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt [2022-11-20 21:25:57,217 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:25:57,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:25:57,218 INFO L85 PathProgramCache]: Analyzing trace with hash 579322399, now seen corresponding path program 1 times [2022-11-20 21:25:57,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:25:57,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058242557] [2022-11-20 21:25:57,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:25:57,236 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 21:25:57,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:25:57,237 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:25:57,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 21:26:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:26:17,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 10312 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:26:17,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:26:21,175 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-20 21:26:21,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:26:22,924 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-20 21:26:22,924 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:26:22,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058242557] [2022-11-20 21:26:22,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058242557] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 21:26:22,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:26:22,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 21:26:22,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78684741] [2022-11-20 21:26:22,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:26:22,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:26:22,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:26:22,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:26:22,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:26:22,927 INFO L87 Difference]: Start difference. First operand 4455 states and 6434 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 21:26:24,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:26:24,512 INFO L93 Difference]: Finished difference Result 4461 states and 6439 transitions. [2022-11-20 21:26:24,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:26:24,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 88 [2022-11-20 21:26:24,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:26:24,528 INFO L225 Difference]: With dead ends: 4461 [2022-11-20 21:26:24,529 INFO L226 Difference]: Without dead ends: 4459 [2022-11-20 21:26:24,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 21:26:24,533 INFO L413 NwaCegarLoop]: 6238 mSDtfsCounter, 6205 mSDsluCounter, 12452 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6213 SdHoareTripleChecker+Valid, 18690 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:26:24,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6213 Valid, 18690 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 21:26:24,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4459 states. [2022-11-20 21:26:25,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4459 to 4459. [2022-11-20 21:26:25,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4459 states, 3094 states have (on average 1.3144796380090498) internal successors, (4067), 3190 states have internal predecessors, (4067), 1194 states have call successors, (1194), 175 states have call predecessors, (1194), 168 states have return successors, (1176), 1134 states have call predecessors, (1176), 1176 states have call successors, (1176) [2022-11-20 21:26:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4459 states to 4459 states and 6437 transitions. [2022-11-20 21:26:25,108 INFO L78 Accepts]: Start accepts. Automaton has 4459 states and 6437 transitions. Word has length 88 [2022-11-20 21:26:25,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:26:25,109 INFO L495 AbstractCegarLoop]: Abstraction has 4459 states and 6437 transitions. [2022-11-20 21:26:25,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 21:26:25,109 INFO L276 IsEmpty]: Start isEmpty. Operand 4459 states and 6437 transitions. [2022-11-20 21:26:25,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 21:26:25,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:26:25,110 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 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] [2022-11-20 21:26:25,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-20 21:26:25,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:26:25,331 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:26:25,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:26:25,331 INFO L85 PathProgramCache]: Analyzing trace with hash -623390597, now seen corresponding path program 1 times [2022-11-20 21:26:25,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:26:25,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529404795] [2022-11-20 21:26:25,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:26:25,341 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 21:26:25,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:26:25,342 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:26:25,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 (13)] Waiting until timeout for monitored process [2022-11-20 21:26:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:26:44,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 10319 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:26:44,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:26:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-20 21:26:49,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:26:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-20 21:26:51,108 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:26:51,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529404795] [2022-11-20 21:26:51,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529404795] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 21:26:51,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:26:51,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 21:26:51,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054987074] [2022-11-20 21:26:51,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:26:51,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:26:51,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:26:51,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:26:51,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:26:51,110 INFO L87 Difference]: Start difference. First operand 4459 states and 6437 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 21:26:52,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:26:52,816 INFO L93 Difference]: Finished difference Result 4465 states and 6442 transitions. [2022-11-20 21:26:52,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:26:52,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 93 [2022-11-20 21:26:52,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:26:52,836 INFO L225 Difference]: With dead ends: 4465 [2022-11-20 21:26:52,836 INFO L226 Difference]: Without dead ends: 4463 [2022-11-20 21:26:52,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 21:26:52,840 INFO L413 NwaCegarLoop]: 6238 mSDtfsCounter, 6205 mSDsluCounter, 12452 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6212 SdHoareTripleChecker+Valid, 18690 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:26:52,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6212 Valid, 18690 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 21:26:52,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4463 states. [2022-11-20 21:26:53,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4463 to 4463. [2022-11-20 21:26:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4463 states, 3097 states have (on average 1.314175008072328) internal successors, (4070), 3193 states have internal predecessors, (4070), 1194 states have call successors, (1194), 176 states have call predecessors, (1194), 169 states have return successors, (1176), 1134 states have call predecessors, (1176), 1176 states have call successors, (1176) [2022-11-20 21:26:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4463 states to 4463 states and 6440 transitions. [2022-11-20 21:26:53,653 INFO L78 Accepts]: Start accepts. Automaton has 4463 states and 6440 transitions. Word has length 93 [2022-11-20 21:26:53,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:26:53,654 INFO L495 AbstractCegarLoop]: Abstraction has 4463 states and 6440 transitions. [2022-11-20 21:26:53,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 21:26:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4463 states and 6440 transitions. [2022-11-20 21:26:53,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-20 21:26:53,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:26:53,663 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 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] [2022-11-20 21:26:53,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 (13)] Forceful destruction successful, exit code 0 [2022-11-20 21:26:53,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:26:53,879 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:26:53,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:26:53,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1434153823, now seen corresponding path program 1 times [2022-11-20 21:26:53,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:26:53,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465498088] [2022-11-20 21:26:53,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:26:53,890 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 21:26:53,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:26:53,891 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:26:53,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 (14)] Waiting until timeout for monitored process [2022-11-20 21:27:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:27:13,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 10326 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:27:13,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:27:18,066 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-20 21:27:18,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:27:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-20 21:27:19,885 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:27:19,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465498088] [2022-11-20 21:27:19,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465498088] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 21:27:19,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:27:19,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-20 21:27:19,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912590954] [2022-11-20 21:27:19,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:27:19,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:27:19,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:27:19,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:27:19,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:27:19,887 INFO L87 Difference]: Start difference. First operand 4463 states and 6440 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 21:27:21,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:27:21,628 INFO L93 Difference]: Finished difference Result 4469 states and 6445 transitions. [2022-11-20 21:27:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:27:21,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 98 [2022-11-20 21:27:21,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:27:21,648 INFO L225 Difference]: With dead ends: 4469 [2022-11-20 21:27:21,648 INFO L226 Difference]: Without dead ends: 4467 [2022-11-20 21:27:21,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 21:27:21,652 INFO L413 NwaCegarLoop]: 6238 mSDtfsCounter, 6205 mSDsluCounter, 12452 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6211 SdHoareTripleChecker+Valid, 18690 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:27:21,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6211 Valid, 18690 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 21:27:21,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4467 states. [2022-11-20 21:27:22,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4467 to 4467. [2022-11-20 21:27:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4467 states, 3100 states have (on average 1.3138709677419356) internal successors, (4073), 3196 states have internal predecessors, (4073), 1194 states have call successors, (1194), 177 states have call predecessors, (1194), 170 states have return successors, (1176), 1134 states have call predecessors, (1176), 1176 states have call successors, (1176) [2022-11-20 21:27:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4467 states to 4467 states and 6443 transitions. [2022-11-20 21:27:22,468 INFO L78 Accepts]: Start accepts. Automaton has 4467 states and 6443 transitions. Word has length 98 [2022-11-20 21:27:22,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:27:22,468 INFO L495 AbstractCegarLoop]: Abstraction has 4467 states and 6443 transitions. [2022-11-20 21:27:22,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 21:27:22,469 INFO L276 IsEmpty]: Start isEmpty. Operand 4467 states and 6443 transitions. [2022-11-20 21:27:22,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-20 21:27:22,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:27:22,470 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 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] [2022-11-20 21:27:22,674 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 (14)] Forcibly destroying the process [2022-11-20 21:27:22,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 (14)] Forceful destruction successful, exit code 0 [2022-11-20 21:27:22,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:27:22,676 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-20 21:27:22,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:27:22,676 INFO L85 PathProgramCache]: Analyzing trace with hash -17099077, now seen corresponding path program 1 times [2022-11-20 21:27:22,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:27:22,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888457490] [2022-11-20 21:27:22,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:27:22,686 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 21:27:22,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:27:22,688 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 21:27:22,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9447023-859c-4b0c-9889-090cb176bf19/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 (15)] Waiting until timeout for monitored process