./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14__linux-kernel-locking-spinlock__drivers-net-ethernet-ti-tlan_false-unreach-call.cil.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14__linux-kernel-locking-spinlock__drivers-net-ethernet-ti-tlan_false-unreach-call.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c5ee6a9f838d8cb0df7d5e146bca312d47c05ae9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14__linux-kernel-locking-spinlock__drivers-net-ethernet-ti-tlan_false-unreach-call.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c5ee6a9f838d8cb0df7d5e146bca312d47c05ae9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:07:50,226 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:07:50,227 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:07:50,241 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:07:50,242 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:07:50,243 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:07:50,246 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:07:50,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:07:50,250 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:07:50,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:07:50,255 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:07:50,255 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:07:50,256 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:07:50,259 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:07:50,268 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:07:50,269 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:07:50,269 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:07:50,270 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:07:50,272 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:07:50,272 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:07:50,273 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:07:50,277 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:07:50,279 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:07:50,282 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:07:50,282 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:07:50,283 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:07:50,284 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:07:50,284 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:07:50,285 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:07:50,286 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:07:50,286 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:07:50,296 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:07:50,297 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:07:50,297 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:07:50,297 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:07:50,298 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:07:50,298 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-18 15:07:50,321 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:07:50,321 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:07:50,322 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:07:50,322 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:07:50,322 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:07:50,322 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:07:50,323 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:07:50,323 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:07:50,323 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:07:50,323 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:07:50,323 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-18 15:07:50,323 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:07:50,323 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:07:50,324 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:07:50,324 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:07:50,324 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:07:50,324 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:07:50,325 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:07:50,325 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:07:50,325 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:07:50,325 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:07:50,325 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:07:50,325 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:07:50,325 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:07:50,325 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:07:50,326 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:07:50,326 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:07:50,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:07:50,328 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:07:50,328 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:07:50,328 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:07:50,328 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:07:50,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:07:50,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:07:50,329 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:07:50,329 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-18 15:07:50,329 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan 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(__VERIFIER_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 -> c5ee6a9f838d8cb0df7d5e146bca312d47c05ae9 [2018-11-18 15:07:50,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:07:50,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:07:50,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:07:50,386 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:07:50,387 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:07:50,387 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14__linux-kernel-locking-spinlock__drivers-net-ethernet-ti-tlan_false-unreach-call.cil.c [2018-11-18 15:07:50,438 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/data/335587f60/c07c1bbf0c60475c9b45515297c0a356/FLAGe80ea5bff [2018-11-18 15:07:51,191 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:07:51,192 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/sv-benchmarks/c/ldv-challenges/linux-3.14__linux-kernel-locking-spinlock__drivers-net-ethernet-ti-tlan_false-unreach-call.cil.c [2018-11-18 15:07:51,230 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/data/335587f60/c07c1bbf0c60475c9b45515297c0a356/FLAGe80ea5bff [2018-11-18 15:07:51,411 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/data/335587f60/c07c1bbf0c60475c9b45515297c0a356 [2018-11-18 15:07:51,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:07:51,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:07:51,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:07:51,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:07:51,418 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:07:51,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:07:51" (1/1) ... [2018-11-18 15:07:51,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337fdc4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:51, skipping insertion in model container [2018-11-18 15:07:51,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:07:51" (1/1) ... [2018-11-18 15:07:51,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:07:51,541 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:07:55,745 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:07:55,803 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:07:57,159 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:07:57,723 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:07:57,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:57 WrapperNode [2018-11-18 15:07:57,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:07:57,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:07:57,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:07:57,724 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:07:57,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:57" (1/1) ... [2018-11-18 15:07:57,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:57" (1/1) ... [2018-11-18 15:07:57,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:07:57,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:07:57,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:07:57,813 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:07:57,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:57" (1/1) ... [2018-11-18 15:07:57,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:57" (1/1) ... [2018-11-18 15:07:57,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:57" (1/1) ... [2018-11-18 15:07:57,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:57" (1/1) ... [2018-11-18 15:07:57,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:57" (1/1) ... [2018-11-18 15:07:57,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:57" (1/1) ... [2018-11-18 15:07:58,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:57" (1/1) ... [2018-11-18 15:07:58,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:07:58,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:07:58,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:07:58,051 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:07:58,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:07:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2018-11-18 15:07:58,114 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2018-11-18 15:07:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2018-11-18 15:07:58,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2018-11-18 15:07:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2018-11-18 15:07:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-18 15:07:58,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-18 15:07:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2018-11-18 15:07:58,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2018-11-18 15:07:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2018-11-18 15:07:58,116 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2018-11-18 15:07:58,116 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2018-11-18 15:07:58,116 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2018-11-18 15:07:58,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2018-11-18 15:07:58,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2018-11-18 15:07:58,118 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_eisa_probe [2018-11-18 15:07:58,118 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_eisa_probe [2018-11-18 15:07:58,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2018-11-18 15:07:58,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2018-11-18 15:07:58,119 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2018-11-18 15:07:58,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2018-11-18 15:07:58,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2018-11-18 15:07:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2018-11-18 15:07:58,122 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2018-11-18 15:07:58,122 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2018-11-18 15:07:58,122 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pad [2018-11-18 15:07:58,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2018-11-18 15:07:58,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2018-11-18 15:07:58,122 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_dio [2018-11-18 15:07:58,122 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_dio [2018-11-18 15:07:58,122 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2018-11-18 15:07:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2018-11-18 15:07:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2018-11-18 15:07:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-18 15:07:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-18 15:07:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2018-11-18 15:07:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2018-11-18 15:07:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_tx_eof [2018-11-18 15:07:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_tx_eof [2018-11-18 15:07:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tlan_priv [2018-11-18 15:07:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tlan_priv [2018-11-18 15:07:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2018-11-18 15:07:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2018-11-18 15:07:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_tx_eoc [2018-11-18 15:07:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_tx_eoc [2018-11-18 15:07:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2018-11-18 15:07:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2018-11-18 15:07:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-18 15:07:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-18 15:07:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_dummy [2018-11-18 15:07:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_dummy [2018-11-18 15:07:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2018-11-18 15:07:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2018-11-18 15:07:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2018-11-18 15:07:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_83 [2018-11-18 15:07:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_83 [2018-11-18 15:07:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_86 [2018-11-18 15:07:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_86 [2018-11-18 15:07:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_88 [2018-11-18 15:07:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_88 [2018-11-18 15:07:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2018-11-18 15:07:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2018-11-18 15:07:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2018-11-18 15:07:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2018-11-18 15:07:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2018-11-18 15:07:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2018-11-18 15:07:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2018-11-18 15:07:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2018-11-18 15:07:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2018-11-18 15:07:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2018-11-18 15:07:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure skb_padto [2018-11-18 15:07:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_padto [2018-11-18 15:07:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2018-11-18 15:07:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-18 15:07:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-18 15:07:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2018-11-18 15:07:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2018-11-18 15:07:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-18 15:07:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-18 15:07:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2018-11-18 15:07:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2018-11-18 15:07:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_78 [2018-11-18 15:07:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_78 [2018-11-18 15:07:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:07:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2018-11-18 15:07:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2018-11-18 15:07:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2018-11-18 15:07:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_62 [2018-11-18 15:07:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_62 [2018-11-18 15:07:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2018-11-18 15:07:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2018-11-18 15:07:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2018-11-18 15:07:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2018-11-18 15:07:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2018-11-18 15:07:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_init_one [2018-11-18 15:07:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_init_one [2018-11-18 15:07:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2018-11-18 15:07:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_77 [2018-11-18 15:07:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_77 [2018-11-18 15:07:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-11-18 15:07:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-11-18 15:07:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2018-11-18 15:07:58,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2018-11-18 15:07:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-18 15:07:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-18 15:07:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2018-11-18 15:07:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2018-11-18 15:07:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2018-11-18 15:07:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2018-11-18 15:07:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2018-11-18 15:07:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2018-11-18 15:07:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2018-11-18 15:07:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2018-11-18 15:07:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2018-11-18 15:07:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2018-11-18 15:07:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2018-11-18 15:07:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2018-11-18 15:07:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_65 [2018-11-18 15:07:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_65 [2018-11-18 15:07:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2018-11-18 15:07:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2018-11-18 15:07:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2018-11-18 15:07:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2018-11-18 15:07:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2018-11-18 15:07:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2018-11-18 15:07:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tlan_priv [2018-11-18 15:07:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tlan_priv [2018-11-18 15:07:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-18 15:07:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 15:07:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2018-11-18 15:07:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2018-11-18 15:07:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2018-11-18 15:07:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2018-11-18 15:07:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2018-11-18 15:07:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2018-11-18 15:07:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2018-11-18 15:07:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2018-11-18 15:07:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:07:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-18 15:07:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:07:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2018-11-18 15:07:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2018-11-18 15:07:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2018-11-18 15:07:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2018-11-18 15:07:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_69 [2018-11-18 15:07:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_69 [2018-11-18 15:07:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-18 15:07:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-18 15:07:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2018-11-18 15:07:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2018-11-18 15:07:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2018-11-18 15:07:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2018-11-18 15:07:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2018-11-18 15:07:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2018-11-18 15:07:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2018-11-18 15:07:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2018-11-18 15:07:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_timer [2018-11-18 15:07:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_timer [2018-11-18 15:07:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2018-11-18 15:07:58,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2018-11-18 15:07:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_6_1 [2018-11-18 15:07:58,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_6_1 [2018-11-18 15:07:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2018-11-18 15:07:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2018-11-18 15:07:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2018-11-18 15:07:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2018-11-18 15:07:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2018-11-18 15:07:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2018-11-18 15:07:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2018-11-18 15:07:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2018-11-18 15:07:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2018-11-18 15:07:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2018-11-18 15:07:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2018-11-18 15:07:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2018-11-18 15:07:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2018-11-18 15:07:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2018-11-18 15:07:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2018-11-18 15:07:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2018-11-18 15:07:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2018-11-18 15:07:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2018-11-18 15:07:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2018-11-18 15:07:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2018-11-18 15:07:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2018-11-18 15:07:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2018-11-18 15:07:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2018-11-18 15:07:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2018-11-18 15:07:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2018-11-18 15:07:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2018-11-18 15:07:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2018-11-18 15:07:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2018-11-18 15:07:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2018-11-18 15:07:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2018-11-18 15:07:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2018-11-18 15:07:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2018-11-18 15:07:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2018-11-18 15:07:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2018-11-18 15:07:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_stat_overflow [2018-11-18 15:07:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_stat_overflow [2018-11-18 15:07:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-18 15:07:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-18 15:07:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:07:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:07:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2018-11-18 15:07:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 15:07:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2018-11-18 15:07:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2018-11-18 15:07:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-18 15:07:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-18 15:07:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-18 15:07:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-18 15:07:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2018-11-18 15:07:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2018-11-18 15:07:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2018-11-18 15:07:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2018-11-18 15:07:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2018-11-18 15:07:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2018-11-18 15:07:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2018-11-18 15:07:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2018-11-18 15:07:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2018-11-18 15:07:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start_tx [2018-11-18 15:07:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start_tx [2018-11-18 15:07:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2018-11-18 15:07:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2018-11-18 15:07:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_72 [2018-11-18 15:07:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_72 [2018-11-18 15:07:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2018-11-18 15:07:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2018-11-18 15:07:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2018-11-18 15:07:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2018-11-18 15:07:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2018-11-18 15:07:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2018-11-18 15:07:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2018-11-18 15:07:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-11-18 15:07:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2018-11-18 15:07:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-18 15:07:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2018-11-18 15:07:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2018-11-18 15:07:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2018-11-18 15:07:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_receive_byte [2018-11-18 15:07:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_receive_byte [2018-11-18 15:07:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-18 15:07:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2018-11-18 15:07:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2018-11-18 15:07:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2018-11-18 15:07:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2018-11-18 15:07:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2018-11-18 15:07:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2018-11-18 15:07:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2018-11-18 15:07:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2018-11-18 15:07:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-18 15:07:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-18 15:07:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2018-11-18 15:07:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2018-11-18 15:07:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2018-11-18 15:07:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2018-11-18 15:07:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-18 15:07:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2018-11-18 15:07:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2018-11-18 15:07:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2018-11-18 15:07:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2018-11-18 15:07:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_detect [2018-11-18 15:07:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_detect [2018-11-18 15:07:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:07:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:07:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2018-11-18 15:07:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2018-11-18 15:07:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2018-11-18 15:07:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2018-11-18 15:07:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2018-11-18 15:07:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2018-11-18 15:07:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_5_1 [2018-11-18 15:07:58,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_5_1 [2018-11-18 15:07:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2018-11-18 15:07:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_71 [2018-11-18 15:07:58,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_71 [2018-11-18 15:07:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_up [2018-11-18 15:07:58,179 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_up [2018-11-18 15:07:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-18 15:07:58,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-18 15:07:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2018-11-18 15:07:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2018-11-18 15:07:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_exit [2018-11-18 15:07:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_exit [2018-11-18 15:07:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2018-11-18 15:07:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2018-11-18 15:07:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2018-11-18 15:07:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2018-11-18 15:07:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2018-11-18 15:07:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2018-11-18 15:07:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2018-11-18 15:07:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_hash_func [2018-11-18 15:07:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_hash_func [2018-11-18 15:07:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_init [2018-11-18 15:07:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_init [2018-11-18 15:07:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2018-11-18 15:07:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2018-11-18 15:07:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2018-11-18 15:07:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2018-11-18 15:07:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2018-11-18 15:07:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2018-11-18 15:07:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2018-11-18 15:07:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2018-11-18 15:07:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2018-11-18 15:07:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2018-11-18 15:07:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2018-11-18 15:07:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2018-11-18 15:07:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2018-11-18 15:07:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_finish_auto_neg [2018-11-18 15:07:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_finish_auto_neg [2018-11-18 15:07:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2018-11-18 15:07:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2018-11-18 15:07:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-18 15:07:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-18 15:07:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2018-11-18 15:07:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2018-11-18 15:07:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-11-18 15:07:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-11-18 15:07:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2018-11-18 15:07:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2018-11-18 15:07:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2018-11-18 15:07:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2018-11-18 15:07:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:07:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:07:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2018-11-18 15:07:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2018-11-18 15:07:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe [2018-11-18 15:07:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe [2018-11-18 15:07:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-18 15:07:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-18 15:07:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2018-11-18 15:07:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2018-11-18 15:07:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2018-11-18 15:07:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2018-11-18 15:07:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2018-11-18 15:07:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2018-11-18 15:07:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2018-11-18 15:07:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_start_link [2018-11-18 15:07:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_start_link [2018-11-18 15:07:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2018-11-18 15:07:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2018-11-18 15:07:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-18 15:07:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-18 15:07:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2018-11-18 15:07:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2018-11-18 15:07:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2018-11-18 15:07:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2018-11-18 15:07:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2018-11-18 15:07:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2018-11-18 15:07:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2018-11-18 15:07:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 15:07:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2018-11-18 15:07:58,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2018-11-18 15:07:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2018-11-18 15:07:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_eisa_cleanup [2018-11-18 15:07:58,196 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_eisa_cleanup [2018-11-18 15:07:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2018-11-18 15:07:58,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2018-11-18 15:07:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2018-11-18 15:07:58,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2018-11-18 15:07:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-18 15:07:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_suspend [2018-11-18 15:07:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_suspend [2018-11-18 15:07:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2018-11-18 15:07:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2018-11-18 15:07:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2018-11-18 15:07:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2018-11-18 15:07:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2018-11-18 15:07:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_rx_eoc [2018-11-18 15:07:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_rx_eoc [2018-11-18 15:07:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2018-11-18 15:07:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2018-11-18 15:07:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2018-11-18 15:07:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2018-11-18 15:07:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2018-11-18 15:07:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2018-11-18 15:07:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2018-11-18 15:07:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2018-11-18 15:07:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2018-11-18 15:07:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-11-18 15:07:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-11-18 15:07:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2018-11-18 15:07:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2018-11-18 15:07:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2018-11-18 15:07:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2018-11-18 15:07:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2018-11-18 15:07:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2018-11-18 15:07:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_82 [2018-11-18 15:07:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_82 [2018-11-18 15:07:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2018-11-18 15:07:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2018-11-18 15:07:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-11-18 15:07:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2018-11-18 15:07:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2018-11-18 15:07:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2018-11-18 15:07:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2018-11-18 15:07:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-11-18 15:07:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_rx_eof [2018-11-18 15:07:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_rx_eof [2018-11-18 15:07:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2018-11-18 15:07:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2018-11-18 15:07:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2018-11-18 15:07:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2018-11-18 15:07:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_80 [2018-11-18 15:07:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_80 [2018-11-18 15:07:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2018-11-18 15:07:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2018-11-18 15:07:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_status_check [2018-11-18 15:07:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_status_check [2018-11-18 15:07:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2018-11-18 15:07:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_66 [2018-11-18 15:07:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_66 [2018-11-18 15:07:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tlan_exit_14_2 [2018-11-18 15:07:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tlan_exit_14_2 [2018-11-18 15:07:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2018-11-18 15:07:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2018-11-18 15:07:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2018-11-18 15:07:58,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2018-11-18 15:07:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2018-11-18 15:07:58,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2018-11-18 15:07:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2018-11-18 15:07:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2018-11-18 15:07:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2018-11-18 15:07:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2018-11-18 15:07:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2018-11-18 15:07:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2018-11-18 15:07:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2018-11-18 15:07:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2018-11-18 15:07:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2018-11-18 15:07:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_68 [2018-11-18 15:07:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_68 [2018-11-18 15:07:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2018-11-18 15:07:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2018-11-18 15:07:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2018-11-18 15:07:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2018-11-18 15:07:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 15:07:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2018-11-18 15:07:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2018-11-18 15:07:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2018-11-18 15:07:58,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2018-11-18 15:07:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2018-11-18 15:07:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-18 15:07:58,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-18 15:07:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2018-11-18 15:07:58,222 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2018-11-18 15:07:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_81 [2018-11-18 15:07:58,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_81 [2018-11-18 15:07:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2018-11-18 15:07:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2018-11-18 15:07:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2018-11-18 15:07:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_90 [2018-11-18 15:07:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_90 [2018-11-18 15:07:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2018-11-18 15:07:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-11-18 15:07:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-11-18 15:07:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~~u32~0 [2018-11-18 15:07:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~~u32~0 [2018-11-18 15:07:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_67 [2018-11-18 15:07:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_67 [2018-11-18 15:07:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2018-11-18 15:07:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2018-11-18 15:07:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2018-11-18 15:07:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2018-11-18 15:07:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2018-11-18 15:07:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_reset [2018-11-18 15:07:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_reset [2018-11-18 15:07:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2018-11-18 15:07:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2018-11-18 15:07:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_75 [2018-11-18 15:07:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_75 [2018-11-18 15:07:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2018-11-18 15:07:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2018-11-18 15:07:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_73 [2018-11-18 15:07:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_73 [2018-11-18 15:07:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2018-11-18 15:07:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2018-11-18 15:07:58,226 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2018-11-18 15:07:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2018-11-18 15:07:58,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2018-11-18 15:07:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2018-11-18 15:07:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2018-11-18 15:07:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2018-11-18 15:07:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2018-11-18 15:07:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2018-11-18 15:07:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2018-11-18 15:07:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2018-11-18 15:07:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2018-11-18 15:07:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2018-11-18 15:07:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_tlan_probe_14_7 [2018-11-18 15:07:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_tlan_probe_14_7 [2018-11-18 15:07:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2018-11-18 15:07:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2018-11-18 15:07:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2018-11-18 15:07:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2018-11-18 15:07:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-18 15:07:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-18 15:07:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2018-11-18 15:07:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2018-11-18 15:07:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2018-11-18 15:07:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2018-11-18 15:07:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2018-11-18 15:07:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2018-11-18 15:07:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2018-11-18 15:07:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2018-11-18 15:07:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2018-11-18 15:07:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_74 [2018-11-18 15:07:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_74 [2018-11-18 15:07:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2018-11-18 15:07:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2018-11-18 15:07:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2018-11-18 15:07:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2018-11-18 15:07:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2018-11-18 15:07:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-18 15:07:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-18 15:07:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-11-18 15:07:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_70 [2018-11-18 15:07:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_70 [2018-11-18 15:07:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2018-11-18 15:07:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_76 [2018-11-18 15:07:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_76 [2018-11-18 15:07:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2018-11-18 15:07:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2018-11-18 15:08:08,667 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:08:08,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:08:08 BoogieIcfgContainer [2018-11-18 15:08:08,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:08:08,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:08:08,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:08:08,672 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:08:08,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:07:51" (1/3) ... [2018-11-18 15:08:08,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6689bde8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:08:08, skipping insertion in model container [2018-11-18 15:08:08,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:57" (2/3) ... [2018-11-18 15:08:08,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6689bde8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:08:08, skipping insertion in model container [2018-11-18 15:08:08,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:08:08" (3/3) ... [2018-11-18 15:08:08,676 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14__linux-kernel-locking-spinlock__drivers-net-ethernet-ti-tlan_false-unreach-call.cil.c [2018-11-18 15:08:08,685 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:08:08,696 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-18 15:08:08,712 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-18 15:08:08,769 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:08:08,769 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:08:08,769 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:08:08,769 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:08:08,769 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:08:08,770 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:08:08,770 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:08:08,770 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:08:08,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states. [2018-11-18 15:08:08,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 15:08:08,836 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:08,838 INFO L375 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:08,840 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:08,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:08,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1765302951, now seen corresponding path program 1 times [2018-11-18 15:08:08,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:08:08,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:08,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:08,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:08,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:08:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:08:09,701 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:09,701 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:08:09,702 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 76 with the following transitions: [2018-11-18 15:08:09,704 INFO L202 CegarAbsIntRunner]: [801], [802], [813], [816], [821], [824], [849], [850], [1383], [1385], [1386], [1740], [1742], [1743], [1970], [1976], [1977], [2121], [2123], [2124], [2567], [2570], [2571], [2577], [2579], [2581], [2583], [2586], [2841], [2842], [2843], [3410], [3412], [3413], [3501], [3503], [3511], [3513], [3514], [4003], [4004], [4193], [4194], [4281], [4282], [4391], [4392], [4587], [4588], [4589], [4590], [4591], [4592], [4593], [4594], [4595], [4719], [4967], [4968], [5037], [5038], [5043], [5044], [5073], [5109], [5110], [5111] [2018-11-18 15:08:09,764 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:08:09,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:08:10,184 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:288) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:288) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:288) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:288) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:288) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:288) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:288) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:288) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:288) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.AssumptionBuilder.constructBoogieAssumeStatement(AssumptionBuilder.java:75) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.getCachedCodeBlock(TermConjunctEvaluator.java:273) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:296) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computeFixpoint(TermConjunctEvaluator.java:198) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$1(TermConjunctEvaluator.java:150) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:536) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:379) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-11-18 15:08:10,190 INFO L168 Benchmark]: Toolchain (without parser) took 18775.52 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -295.8 MB). Peak memory consumption was 706.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:08:10,199 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:08:10,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6308.49 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 721.9 MB). Free memory was 942.0 MB in the beginning and 1.0 GB in the end (delta: -61.5 MB). Peak memory consumption was 660.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:08:10,200 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.85 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 985.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:08:10,200 INFO L168 Benchmark]: Boogie Preprocessor took 236.92 ms. Allocated memory is still 1.8 GB. Free memory was 985.4 MB in the beginning and 949.3 MB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:08:10,201 INFO L168 Benchmark]: RCFGBuilder took 10617.81 ms. Allocated memory was 1.8 GB in the beginning and 2.0 GB in the end (delta: 280.0 MB). Free memory was 949.3 MB in the beginning and 1.4 GB in the end (delta: -478.9 MB). Peak memory consumption was 472.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:08:10,201 INFO L168 Benchmark]: TraceAbstraction took 1520.20 ms. Allocated memory is still 2.0 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Peak memory consumption was 187.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:08:10,204 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 6308.49 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 721.9 MB). Free memory was 942.0 MB in the beginning and 1.0 GB in the end (delta: -61.5 MB). Peak memory consumption was 660.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.85 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 985.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 236.92 ms. Allocated memory is still 1.8 GB. Free memory was 985.4 MB in the beginning and 949.3 MB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10617.81 ms. Allocated memory was 1.8 GB in the beginning and 2.0 GB in the end (delta: 280.0 MB). Free memory was 949.3 MB in the beginning and 1.4 GB in the end (delta: -478.9 MB). Peak memory consumption was 472.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1520.20 ms. Allocated memory is still 2.0 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Peak memory consumption was 187.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 15:08:11,901 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:08:11,902 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:08:11,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:08:11,911 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:08:11,912 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:08:11,913 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:08:11,914 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:08:11,915 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:08:11,917 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:08:11,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:08:11,918 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:08:11,918 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:08:11,919 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:08:11,920 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:08:11,920 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:08:11,920 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:08:11,921 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:08:11,923 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:08:11,924 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:08:11,925 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:08:11,925 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:08:11,926 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:08:11,927 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:08:11,927 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:08:11,927 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:08:11,928 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:08:11,928 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:08:11,929 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:08:11,929 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:08:11,929 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:08:11,930 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:08:11,930 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:08:11,930 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:08:11,931 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:08:11,931 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:08:11,931 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-18 15:08:11,942 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:08:11,943 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:08:11,943 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:08:11,943 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:08:11,943 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:08:11,944 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:08:11,944 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:08:11,944 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:08:11,944 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:08:11,944 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:08:11,945 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:08:11,945 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:08:11,945 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:08:11,945 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:08:11,945 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:08:11,945 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 15:08:11,945 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 15:08:11,946 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:08:11,946 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:08:11,946 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:08:11,946 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:08:11,946 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:08:11,946 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:08:11,946 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:08:11,947 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:08:11,947 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:08:11,947 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:08:11,947 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:08:11,947 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 15:08:11,947 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:08:11,947 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 15:08:11,947 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 15:08:11,948 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan 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(__VERIFIER_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 -> c5ee6a9f838d8cb0df7d5e146bca312d47c05ae9 [2018-11-18 15:08:11,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:08:11,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:08:11,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:08:11,993 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:08:11,994 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:08:11,994 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14__linux-kernel-locking-spinlock__drivers-net-ethernet-ti-tlan_false-unreach-call.cil.c [2018-11-18 15:08:12,050 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/data/4d254e622/1eab944ae29540e89e421a085eee8921/FLAG4403a9eaa [2018-11-18 15:08:12,646 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:08:12,647 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/sv-benchmarks/c/ldv-challenges/linux-3.14__linux-kernel-locking-spinlock__drivers-net-ethernet-ti-tlan_false-unreach-call.cil.c [2018-11-18 15:08:12,682 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/data/4d254e622/1eab944ae29540e89e421a085eee8921/FLAG4403a9eaa [2018-11-18 15:08:13,018 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/data/4d254e622/1eab944ae29540e89e421a085eee8921 [2018-11-18 15:08:13,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:08:13,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:08:13,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:08:13,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:08:13,024 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:08:13,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:08:13" (1/1) ... [2018-11-18 15:08:13,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c82c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:13, skipping insertion in model container [2018-11-18 15:08:13,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:08:13" (1/1) ... [2018-11-18 15:08:13,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:08:13,168 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:08:17,038 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:08:17,106 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:08:18,546 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:08:19,210 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:08:19,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:19 WrapperNode [2018-11-18 15:08:19,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:08:19,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:08:19,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:08:19,212 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:08:19,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:19" (1/1) ... [2018-11-18 15:08:19,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:19" (1/1) ... [2018-11-18 15:08:19,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:08:19,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:08:19,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:08:19,310 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:08:19,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:19" (1/1) ... [2018-11-18 15:08:19,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:19" (1/1) ... [2018-11-18 15:08:19,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:19" (1/1) ... [2018-11-18 15:08:19,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:19" (1/1) ... [2018-11-18 15:08:19,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:19" (1/1) ... [2018-11-18 15:08:19,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:19" (1/1) ... [2018-11-18 15:08:19,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:19" (1/1) ... [2018-11-18 15:08:19,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:08:19,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:08:19,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:08:19,546 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:08:19,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:08:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2018-11-18 15:08:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2018-11-18 15:08:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2018-11-18 15:08:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2018-11-18 15:08:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2018-11-18 15:08:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-18 15:08:19,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-18 15:08:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2018-11-18 15:08:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2018-11-18 15:08:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2018-11-18 15:08:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2018-11-18 15:08:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2018-11-18 15:08:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2018-11-18 15:08:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2018-11-18 15:08:19,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2018-11-18 15:08:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_eisa_probe [2018-11-18 15:08:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_eisa_probe [2018-11-18 15:08:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2018-11-18 15:08:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2018-11-18 15:08:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2018-11-18 15:08:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2018-11-18 15:08:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2018-11-18 15:08:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2018-11-18 15:08:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2018-11-18 15:08:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2018-11-18 15:08:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pad [2018-11-18 15:08:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2018-11-18 15:08:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2018-11-18 15:08:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_dio [2018-11-18 15:08:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_dio [2018-11-18 15:08:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2018-11-18 15:08:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2018-11-18 15:08:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2018-11-18 15:08:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2018-11-18 15:08:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2018-11-18 15:08:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-18 15:08:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-18 15:08:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2018-11-18 15:08:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2018-11-18 15:08:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_tx_eof [2018-11-18 15:08:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_tx_eof [2018-11-18 15:08:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tlan_priv [2018-11-18 15:08:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tlan_priv [2018-11-18 15:08:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2018-11-18 15:08:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2018-11-18 15:08:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_tx_eoc [2018-11-18 15:08:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_tx_eoc [2018-11-18 15:08:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2018-11-18 15:08:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2018-11-18 15:08:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-18 15:08:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-18 15:08:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_dummy [2018-11-18 15:08:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_dummy [2018-11-18 15:08:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2018-11-18 15:08:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2018-11-18 15:08:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2018-11-18 15:08:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2018-11-18 15:08:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2018-11-18 15:08:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_83 [2018-11-18 15:08:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_83 [2018-11-18 15:08:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_86 [2018-11-18 15:08:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_86 [2018-11-18 15:08:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_88 [2018-11-18 15:08:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_88 [2018-11-18 15:08:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2018-11-18 15:08:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2018-11-18 15:08:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2018-11-18 15:08:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2018-11-18 15:08:19,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2018-11-18 15:08:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2018-11-18 15:08:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2018-11-18 15:08:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2018-11-18 15:08:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2018-11-18 15:08:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2018-11-18 15:08:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure skb_padto [2018-11-18 15:08:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_padto [2018-11-18 15:08:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2018-11-18 15:08:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-18 15:08:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-18 15:08:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2018-11-18 15:08:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2018-11-18 15:08:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-18 15:08:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-18 15:08:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2018-11-18 15:08:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2018-11-18 15:08:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_78 [2018-11-18 15:08:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_78 [2018-11-18 15:08:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:08:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2018-11-18 15:08:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2018-11-18 15:08:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2018-11-18 15:08:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_62 [2018-11-18 15:08:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_62 [2018-11-18 15:08:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2018-11-18 15:08:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2018-11-18 15:08:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2018-11-18 15:08:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2018-11-18 15:08:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2018-11-18 15:08:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_init_one [2018-11-18 15:08:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_init_one [2018-11-18 15:08:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2018-11-18 15:08:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_77 [2018-11-18 15:08:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_77 [2018-11-18 15:08:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-11-18 15:08:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-11-18 15:08:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2018-11-18 15:08:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2018-11-18 15:08:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-18 15:08:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-18 15:08:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_UINT~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2018-11-18 15:08:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_UINT~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2018-11-18 15:08:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2018-11-18 15:08:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2018-11-18 15:08:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2018-11-18 15:08:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2018-11-18 15:08:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2018-11-18 15:08:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2018-11-18 15:08:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2018-11-18 15:08:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2018-11-18 15:08:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2018-11-18 15:08:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2018-11-18 15:08:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2018-11-18 15:08:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2018-11-18 15:08:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_65 [2018-11-18 15:08:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_65 [2018-11-18 15:08:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2018-11-18 15:08:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2018-11-18 15:08:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2018-11-18 15:08:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2018-11-18 15:08:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2018-11-18 15:08:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2018-11-18 15:08:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tlan_priv [2018-11-18 15:08:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tlan_priv [2018-11-18 15:08:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-18 15:08:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2018-11-18 15:08:19,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2018-11-18 15:08:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2018-11-18 15:08:19,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2018-11-18 15:08:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2018-11-18 15:08:19,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2018-11-18 15:08:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2018-11-18 15:08:19,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2018-11-18 15:08:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:08:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-18 15:08:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2018-11-18 15:08:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2018-11-18 15:08:19,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2018-11-18 15:08:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2018-11-18 15:08:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_69 [2018-11-18 15:08:19,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_69 [2018-11-18 15:08:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-18 15:08:19,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-18 15:08:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2018-11-18 15:08:19,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2018-11-18 15:08:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2018-11-18 15:08:19,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2018-11-18 15:08:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2018-11-18 15:08:19,649 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2018-11-18 15:08:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2018-11-18 15:08:19,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2018-11-18 15:08:19,650 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_timer [2018-11-18 15:08:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_timer [2018-11-18 15:08:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2018-11-18 15:08:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2018-11-18 15:08:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_6_1 [2018-11-18 15:08:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_6_1 [2018-11-18 15:08:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2018-11-18 15:08:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2018-11-18 15:08:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2018-11-18 15:08:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2018-11-18 15:08:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2018-11-18 15:08:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2018-11-18 15:08:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2018-11-18 15:08:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2018-11-18 15:08:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2018-11-18 15:08:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2018-11-18 15:08:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2018-11-18 15:08:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2018-11-18 15:08:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2018-11-18 15:08:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2018-11-18 15:08:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_UINT~X~C_INT~X~$Pointer$~TO~VOID [2018-11-18 15:08:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_UINT~X~C_INT~X~$Pointer$~TO~VOID [2018-11-18 15:08:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2018-11-18 15:08:19,660 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2018-11-18 15:08:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2018-11-18 15:08:19,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2018-11-18 15:08:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2018-11-18 15:08:19,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2018-11-18 15:08:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2018-11-18 15:08:19,660 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2018-11-18 15:08:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2018-11-18 15:08:19,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2018-11-18 15:08:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2018-11-18 15:08:19,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2018-11-18 15:08:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2018-11-18 15:08:19,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2018-11-18 15:08:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2018-11-18 15:08:19,661 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2018-11-18 15:08:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2018-11-18 15:08:19,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2018-11-18 15:08:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2018-11-18 15:08:19,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2018-11-18 15:08:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_stat_overflow [2018-11-18 15:08:19,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_stat_overflow [2018-11-18 15:08:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-18 15:08:19,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-18 15:08:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:08:19,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:08:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2018-11-18 15:08:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 15:08:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2018-11-18 15:08:19,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2018-11-18 15:08:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-18 15:08:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-18 15:08:19,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-18 15:08:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-18 15:08:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2018-11-18 15:08:19,663 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2018-11-18 15:08:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2018-11-18 15:08:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2018-11-18 15:08:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2018-11-18 15:08:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2018-11-18 15:08:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2018-11-18 15:08:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2018-11-18 15:08:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2018-11-18 15:08:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start_tx [2018-11-18 15:08:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start_tx [2018-11-18 15:08:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2018-11-18 15:08:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2018-11-18 15:08:19,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_72 [2018-11-18 15:08:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_72 [2018-11-18 15:08:19,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2018-11-18 15:08:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2018-11-18 15:08:19,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2018-11-18 15:08:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2018-11-18 15:08:19,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2018-11-18 15:08:19,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2018-11-18 15:08:19,666 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2018-11-18 15:08:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-11-18 15:08:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2018-11-18 15:08:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-18 15:08:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2018-11-18 15:08:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2018-11-18 15:08:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2018-11-18 15:08:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_receive_byte [2018-11-18 15:08:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_receive_byte [2018-11-18 15:08:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-18 15:08:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2018-11-18 15:08:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2018-11-18 15:08:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2018-11-18 15:08:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2018-11-18 15:08:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2018-11-18 15:08:19,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2018-11-18 15:08:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-18 15:08:19,678 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-18 15:08:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2018-11-18 15:08:19,678 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2018-11-18 15:08:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2018-11-18 15:08:19,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2018-11-18 15:08:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-18 15:08:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2018-11-18 15:08:19,681 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2018-11-18 15:08:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2018-11-18 15:08:19,681 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2018-11-18 15:08:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_detect [2018-11-18 15:08:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_detect [2018-11-18 15:08:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:08:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:08:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2018-11-18 15:08:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2018-11-18 15:08:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-18 15:08:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2018-11-18 15:08:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2018-11-18 15:08:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_5_1 [2018-11-18 15:08:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_5_1 [2018-11-18 15:08:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-18 15:08:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2018-11-18 15:08:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_71 [2018-11-18 15:08:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_71 [2018-11-18 15:08:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 15:08:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_up [2018-11-18 15:08:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_up [2018-11-18 15:08:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-18 15:08:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-18 15:08:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-18 15:08:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_exit [2018-11-18 15:08:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_exit [2018-11-18 15:08:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2018-11-18 15:08:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2018-11-18 15:08:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2018-11-18 15:08:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2018-11-18 15:08:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2018-11-18 15:08:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2018-11-18 15:08:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2018-11-18 15:08:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_hash_func [2018-11-18 15:08:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_hash_func [2018-11-18 15:08:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_init [2018-11-18 15:08:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_init [2018-11-18 15:08:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2018-11-18 15:08:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2018-11-18 15:08:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2018-11-18 15:08:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2018-11-18 15:08:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2018-11-18 15:08:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2018-11-18 15:08:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2018-11-18 15:08:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2018-11-18 15:08:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2018-11-18 15:08:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2018-11-18 15:08:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2018-11-18 15:08:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2018-11-18 15:08:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2018-11-18 15:08:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_finish_auto_neg [2018-11-18 15:08:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_finish_auto_neg [2018-11-18 15:08:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2018-11-18 15:08:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2018-11-18 15:08:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-18 15:08:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-18 15:08:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2018-11-18 15:08:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2018-11-18 15:08:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-11-18 15:08:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-11-18 15:08:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2018-11-18 15:08:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2018-11-18 15:08:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2018-11-18 15:08:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2018-11-18 15:08:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:08:19,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:08:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2018-11-18 15:08:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2018-11-18 15:08:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe [2018-11-18 15:08:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe [2018-11-18 15:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-18 15:08:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-18 15:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2018-11-18 15:08:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2018-11-18 15:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2018-11-18 15:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2018-11-18 15:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2018-11-18 15:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2018-11-18 15:08:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2018-11-18 15:08:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_start_link [2018-11-18 15:08:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_start_link [2018-11-18 15:08:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2018-11-18 15:08:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2018-11-18 15:08:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-18 15:08:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-18 15:08:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2018-11-18 15:08:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2018-11-18 15:08:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2018-11-18 15:08:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2018-11-18 15:08:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2018-11-18 15:08:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 15:08:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2018-11-18 15:08:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2018-11-18 15:08:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2018-11-18 15:08:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_eisa_cleanup [2018-11-18 15:08:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_eisa_cleanup [2018-11-18 15:08:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2018-11-18 15:08:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2018-11-18 15:08:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2018-11-18 15:08:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2018-11-18 15:08:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-18 15:08:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-18 15:08:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-18 15:08:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-18 15:08:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 15:08:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_suspend [2018-11-18 15:08:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_suspend [2018-11-18 15:08:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2018-11-18 15:08:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2018-11-18 15:08:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2018-11-18 15:08:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_rx_eoc [2018-11-18 15:08:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_rx_eoc [2018-11-18 15:08:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2018-11-18 15:08:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2018-11-18 15:08:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2018-11-18 15:08:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2018-11-18 15:08:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2018-11-18 15:08:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2018-11-18 15:08:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2018-11-18 15:08:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2018-11-18 15:08:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2018-11-18 15:08:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-11-18 15:08:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-11-18 15:08:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2018-11-18 15:08:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2018-11-18 15:08:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2018-11-18 15:08:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2018-11-18 15:08:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2018-11-18 15:08:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2018-11-18 15:08:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_82 [2018-11-18 15:08:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_82 [2018-11-18 15:08:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2018-11-18 15:08:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2018-11-18 15:08:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-11-18 15:08:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2018-11-18 15:08:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2018-11-18 15:08:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2018-11-18 15:08:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2018-11-18 15:08:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-11-18 15:08:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_rx_eof [2018-11-18 15:08:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_rx_eof [2018-11-18 15:08:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2018-11-18 15:08:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2018-11-18 15:08:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2018-11-18 15:08:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2018-11-18 15:08:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_80 [2018-11-18 15:08:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_80 [2018-11-18 15:08:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2018-11-18 15:08:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2018-11-18 15:08:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_status_check [2018-11-18 15:08:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_status_check [2018-11-18 15:08:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2018-11-18 15:08:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_66 [2018-11-18 15:08:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_66 [2018-11-18 15:08:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tlan_exit_14_2 [2018-11-18 15:08:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tlan_exit_14_2 [2018-11-18 15:08:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2018-11-18 15:08:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2018-11-18 15:08:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2018-11-18 15:08:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2018-11-18 15:08:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2018-11-18 15:08:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2018-11-18 15:08:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2018-11-18 15:08:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2018-11-18 15:08:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2018-11-18 15:08:19,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2018-11-18 15:08:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2018-11-18 15:08:19,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2018-11-18 15:08:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2018-11-18 15:08:19,717 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2018-11-18 15:08:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2018-11-18 15:08:19,717 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2018-11-18 15:08:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2018-11-18 15:08:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_68 [2018-11-18 15:08:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_68 [2018-11-18 15:08:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2018-11-18 15:08:19,726 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2018-11-18 15:08:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2018-11-18 15:08:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2018-11-18 15:08:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 15:08:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2018-11-18 15:08:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2018-11-18 15:08:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-18 15:08:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-18 15:08:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-18 15:08:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2018-11-18 15:08:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2018-11-18 15:08:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2018-11-18 15:08:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-18 15:08:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-18 15:08:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2018-11-18 15:08:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2018-11-18 15:08:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_81 [2018-11-18 15:08:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_81 [2018-11-18 15:08:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2018-11-18 15:08:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_90 [2018-11-18 15:08:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_90 [2018-11-18 15:08:19,729 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2018-11-18 15:08:19,729 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-11-18 15:08:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-11-18 15:08:19,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~~u32~0 [2018-11-18 15:08:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~~u32~0 [2018-11-18 15:08:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_67 [2018-11-18 15:08:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_67 [2018-11-18 15:08:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2018-11-18 15:08:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2018-11-18 15:08:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2018-11-18 15:08:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2018-11-18 15:08:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2018-11-18 15:08:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_reset [2018-11-18 15:08:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_reset [2018-11-18 15:08:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2018-11-18 15:08:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2018-11-18 15:08:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_75 [2018-11-18 15:08:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_75 [2018-11-18 15:08:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2018-11-18 15:08:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2018-11-18 15:08:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_73 [2018-11-18 15:08:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_73 [2018-11-18 15:08:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2018-11-18 15:08:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2018-11-18 15:08:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2018-11-18 15:08:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2018-11-18 15:08:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2018-11-18 15:08:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2018-11-18 15:08:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2018-11-18 15:08:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2018-11-18 15:08:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2018-11-18 15:08:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2018-11-18 15:08:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2018-11-18 15:08:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2018-11-18 15:08:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2018-11-18 15:08:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2018-11-18 15:08:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_tlan_probe_14_7 [2018-11-18 15:08:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_tlan_probe_14_7 [2018-11-18 15:08:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2018-11-18 15:08:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2018-11-18 15:08:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2018-11-18 15:08:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2018-11-18 15:08:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-18 15:08:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-18 15:08:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2018-11-18 15:08:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2018-11-18 15:08:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2018-11-18 15:08:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2018-11-18 15:08:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2018-11-18 15:08:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2018-11-18 15:08:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2018-11-18 15:08:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2018-11-18 15:08:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2018-11-18 15:08:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2018-11-18 15:08:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2018-11-18 15:08:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_74 [2018-11-18 15:08:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_74 [2018-11-18 15:08:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2018-11-18 15:08:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2018-11-18 15:08:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2018-11-18 15:08:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2018-11-18 15:08:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2018-11-18 15:08:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-18 15:08:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-18 15:08:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-11-18 15:08:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_70 [2018-11-18 15:08:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_70 [2018-11-18 15:08:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2018-11-18 15:08:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_76 [2018-11-18 15:08:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_76 [2018-11-18 15:08:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2018-11-18 15:08:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2018-11-18 15:08:34,158 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:08:34,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:08:34 BoogieIcfgContainer [2018-11-18 15:08:34,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:08:34,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:08:34,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:08:34,163 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:08:34,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:08:13" (1/3) ... [2018-11-18 15:08:34,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733f7439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:08:34, skipping insertion in model container [2018-11-18 15:08:34,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:19" (2/3) ... [2018-11-18 15:08:34,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733f7439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:08:34, skipping insertion in model container [2018-11-18 15:08:34,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:08:34" (3/3) ... [2018-11-18 15:08:34,166 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14__linux-kernel-locking-spinlock__drivers-net-ethernet-ti-tlan_false-unreach-call.cil.c [2018-11-18 15:08:34,174 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:08:34,184 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-18 15:08:34,197 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-18 15:08:34,231 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:08:34,231 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:08:34,231 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:08:34,231 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:08:34,232 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:08:34,232 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:08:34,232 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:08:34,232 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:08:34,232 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:08:34,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states. [2018-11-18 15:08:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 15:08:34,283 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:34,284 INFO L375 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:34,286 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:34,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:34,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1695597234, now seen corresponding path program 1 times [2018-11-18 15:08:34,299 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:08:34,300 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:08:34,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:35,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:35,328 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:08:35,329 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-11-18 15:08:35,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:08:35,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:08:35,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:08:35,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:08:35,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:08:35,357 INFO L87 Difference]: Start difference. First operand 2337 states. Second operand 5 states. [2018-11-18 15:08:35,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:35,805 INFO L93 Difference]: Finished difference Result 4554 states and 6303 transitions. [2018-11-18 15:08:35,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:08:35,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-11-18 15:08:35,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:35,848 INFO L225 Difference]: With dead ends: 4554 [2018-11-18 15:08:35,851 INFO L226 Difference]: Without dead ends: 2288 [2018-11-18 15:08:35,875 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:08:35,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2018-11-18 15:08:36,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 2288. [2018-11-18 15:08:36,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2288 states. [2018-11-18 15:08:36,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 2288 states and 3051 transitions. [2018-11-18 15:08:36,061 INFO L78 Accepts]: Start accepts. Automaton has 2288 states and 3051 transitions. Word has length 75 [2018-11-18 15:08:36,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:36,063 INFO L480 AbstractCegarLoop]: Abstraction has 2288 states and 3051 transitions. [2018-11-18 15:08:36,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:08:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 3051 transitions. [2018-11-18 15:08:36,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 15:08:36,068 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:36,068 INFO L375 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:36,069 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:36,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:36,069 INFO L82 PathProgramCache]: Analyzing trace with hash 2104515917, now seen corresponding path program 1 times [2018-11-18 15:08:36,071 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:08:36,072 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:08:36,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:36,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:37,045 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:08:37,047 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:08:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:08:37,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:08:37,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-18 15:08:37,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:08:37,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:08:37,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:08:37,529 INFO L87 Difference]: Start difference. First operand 2288 states and 3051 transitions. Second operand 7 states. [2018-11-18 15:08:38,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:38,210 INFO L93 Difference]: Finished difference Result 2294 states and 3056 transitions. [2018-11-18 15:08:38,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:08:38,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2018-11-18 15:08:38,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:38,224 INFO L225 Difference]: With dead ends: 2294 [2018-11-18 15:08:38,224 INFO L226 Difference]: Without dead ends: 2292 [2018-11-18 15:08:38,226 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:08:38,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2018-11-18 15:08:38,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 2292. [2018-11-18 15:08:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2292 states. [2018-11-18 15:08:38,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 3054 transitions. [2018-11-18 15:08:38,343 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 3054 transitions. Word has length 80 [2018-11-18 15:08:38,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:38,346 INFO L480 AbstractCegarLoop]: Abstraction has 2292 states and 3054 transitions. [2018-11-18 15:08:38,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:08:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3054 transitions. [2018-11-18 15:08:38,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 15:08:38,348 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:38,348 INFO L375 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:38,348 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:38,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:38,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1688386734, now seen corresponding path program 1 times [2018-11-18 15:08:38,350 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:08:38,350 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:08:38,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:39,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:39,253 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 15:08:39,253 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:08:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 15:08:39,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:08:39,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-18 15:08:39,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:08:39,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:08:39,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:08:39,399 INFO L87 Difference]: Start difference. First operand 2292 states and 3054 transitions. Second operand 7 states. [2018-11-18 15:08:39,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:39,809 INFO L93 Difference]: Finished difference Result 2298 states and 3059 transitions. [2018-11-18 15:08:39,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:08:39,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2018-11-18 15:08:39,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:39,821 INFO L225 Difference]: With dead ends: 2298 [2018-11-18 15:08:39,822 INFO L226 Difference]: Without dead ends: 2296 [2018-11-18 15:08:39,824 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:08:39,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2296 states. [2018-11-18 15:08:39,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2296 to 2296. [2018-11-18 15:08:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2296 states. [2018-11-18 15:08:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 3057 transitions. [2018-11-18 15:08:39,937 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 3057 transitions. Word has length 85 [2018-11-18 15:08:39,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:39,937 INFO L480 AbstractCegarLoop]: Abstraction has 2296 states and 3057 transitions. [2018-11-18 15:08:39,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:08:39,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 3057 transitions. [2018-11-18 15:08:39,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 15:08:39,941 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:39,941 INFO L375 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:39,941 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:39,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:39,941 INFO L82 PathProgramCache]: Analyzing trace with hash -734695379, now seen corresponding path program 1 times [2018-11-18 15:08:39,944 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:08:39,944 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:08:39,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:40,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 15:08:40,710 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:08:40,981 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 15:08:40,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:08:40,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-18 15:08:40,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:08:40,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:08:40,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:08:40,986 INFO L87 Difference]: Start difference. First operand 2296 states and 3057 transitions. Second operand 7 states. [2018-11-18 15:08:41,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:41,267 INFO L93 Difference]: Finished difference Result 2302 states and 3062 transitions. [2018-11-18 15:08:41,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:08:41,268 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2018-11-18 15:08:41,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:41,279 INFO L225 Difference]: With dead ends: 2302 [2018-11-18 15:08:41,279 INFO L226 Difference]: Without dead ends: 2300 [2018-11-18 15:08:41,281 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:08:41,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2018-11-18 15:08:41,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 2300. [2018-11-18 15:08:41,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2300 states. [2018-11-18 15:08:41,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 2300 states and 3060 transitions. [2018-11-18 15:08:41,399 INFO L78 Accepts]: Start accepts. Automaton has 2300 states and 3060 transitions. Word has length 90 [2018-11-18 15:08:41,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:41,401 INFO L480 AbstractCegarLoop]: Abstraction has 2300 states and 3060 transitions. [2018-11-18 15:08:41,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:08:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 3060 transitions. [2018-11-18 15:08:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 15:08:41,402 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:41,402 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:41,402 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:41,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:41,403 INFO L82 PathProgramCache]: Analyzing trace with hash -311743502, now seen corresponding path program 1 times [2018-11-18 15:08:41,404 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:08:41,404 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:08:41,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:42,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:42,114 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 15:08:42,114 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:08:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 15:08:42,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:08:42,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-18 15:08:42,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:08:42,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:08:42,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:08:42,206 INFO L87 Difference]: Start difference. First operand 2300 states and 3060 transitions. Second operand 7 states. [2018-11-18 15:08:42,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:42,410 INFO L93 Difference]: Finished difference Result 2306 states and 3065 transitions. [2018-11-18 15:08:42,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:08:42,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-11-18 15:08:42,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:42,424 INFO L225 Difference]: With dead ends: 2306 [2018-11-18 15:08:42,426 INFO L226 Difference]: Without dead ends: 2304 [2018-11-18 15:08:42,427 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:08:42,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2304 states. [2018-11-18 15:08:42,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2304 to 2304. [2018-11-18 15:08:42,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2304 states. [2018-11-18 15:08:42,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 3063 transitions. [2018-11-18 15:08:42,554 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 3063 transitions. Word has length 95 [2018-11-18 15:08:42,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:42,555 INFO L480 AbstractCegarLoop]: Abstraction has 2304 states and 3063 transitions. [2018-11-18 15:08:42,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:08:42,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 3063 transitions. [2018-11-18 15:08:42,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 15:08:42,556 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:42,556 INFO L375 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:42,556 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:42,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:42,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1210442995, now seen corresponding path program 1 times [2018-11-18 15:08:42,558 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:08:42,558 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:08:42,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:43,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 15:08:43,268 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:08:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 15:08:43,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:08:43,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-18 15:08:43,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:08:43,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:08:43,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:08:43,368 INFO L87 Difference]: Start difference. First operand 2304 states and 3063 transitions. Second operand 7 states. [2018-11-18 15:08:43,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:43,559 INFO L93 Difference]: Finished difference Result 2310 states and 3068 transitions. [2018-11-18 15:08:43,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:08:43,559 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2018-11-18 15:08:43,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:43,572 INFO L225 Difference]: With dead ends: 2310 [2018-11-18 15:08:43,572 INFO L226 Difference]: Without dead ends: 2308 [2018-11-18 15:08:43,575 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:08:43,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2308 states. [2018-11-18 15:08:43,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2308 to 2308. [2018-11-18 15:08:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2308 states. [2018-11-18 15:08:43,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 3066 transitions. [2018-11-18 15:08:43,708 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 3066 transitions. Word has length 100 [2018-11-18 15:08:43,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:43,709 INFO L480 AbstractCegarLoop]: Abstraction has 2308 states and 3066 transitions. [2018-11-18 15:08:43,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:08:43,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 3066 transitions. [2018-11-18 15:08:43,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 15:08:43,711 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:43,711 INFO L375 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:43,711 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:43,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:43,712 INFO L82 PathProgramCache]: Analyzing trace with hash 767770930, now seen corresponding path program 1 times [2018-11-18 15:08:43,712 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:08:43,712 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:08:43,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:44,416 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 15:08:44,486 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:08:44,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:08:44,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:08:44,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:08:44,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:08:44,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:08:44,491 INFO L87 Difference]: Start difference. First operand 2308 states and 3066 transitions. Second operand 5 states. [2018-11-18 15:09:12,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:09:12,308 INFO L93 Difference]: Finished difference Result 6919 states and 9351 transitions. [2018-11-18 15:09:12,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:09:12,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2018-11-18 15:09:12,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:09:12,338 INFO L225 Difference]: With dead ends: 6919 [2018-11-18 15:09:12,338 INFO L226 Difference]: Without dead ends: 4624 [2018-11-18 15:09:12,357 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:09:12,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4624 states. [2018-11-18 15:09:12,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4624 to 4522. [2018-11-18 15:09:12,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4522 states. [2018-11-18 15:09:12,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4522 states to 4522 states and 6022 transitions. [2018-11-18 15:09:12,656 INFO L78 Accepts]: Start accepts. Automaton has 4522 states and 6022 transitions. Word has length 125 [2018-11-18 15:09:12,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:09:12,657 INFO L480 AbstractCegarLoop]: Abstraction has 4522 states and 6022 transitions. [2018-11-18 15:09:12,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:09:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 4522 states and 6022 transitions. [2018-11-18 15:09:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 15:09:12,659 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:09:12,660 INFO L375 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:09:12,660 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:09:12,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:09:12,660 INFO L82 PathProgramCache]: Analyzing trace with hash 300889492, now seen corresponding path program 1 times [2018-11-18 15:09:12,661 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:09:12,661 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:09:12,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:14,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:09:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 11 proven. 12 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 15:09:14,807 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:09:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 15:09:15,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:09:15,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2018-11-18 15:09:15,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:09:15,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:09:15,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:09:15,300 INFO L87 Difference]: Start difference. First operand 4522 states and 6022 transitions. Second operand 9 states. [2018-11-18 15:09:47,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:09:47,900 INFO L93 Difference]: Finished difference Result 10404 states and 15142 transitions. [2018-11-18 15:09:47,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 15:09:47,901 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2018-11-18 15:09:47,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:09:47,946 INFO L225 Difference]: With dead ends: 10404 [2018-11-18 15:09:47,946 INFO L226 Difference]: Without dead ends: 10402 [2018-11-18 15:09:47,950 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 193 SyntacticMatches, 10 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-11-18 15:09:47,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10402 states. [2018-11-18 15:09:48,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10402 to 10254. [2018-11-18 15:09:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10254 states. [2018-11-18 15:09:48,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10254 states to 10254 states and 14881 transitions. [2018-11-18 15:09:48,565 INFO L78 Accepts]: Start accepts. Automaton has 10254 states and 14881 transitions. Word has length 105 [2018-11-18 15:09:48,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:09:48,566 INFO L480 AbstractCegarLoop]: Abstraction has 10254 states and 14881 transitions. [2018-11-18 15:09:48,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:09:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 10254 states and 14881 transitions. [2018-11-18 15:09:48,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 15:09:48,567 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:09:48,568 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:09:48,568 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:09:48,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:09:48,568 INFO L82 PathProgramCache]: Analyzing trace with hash 907998763, now seen corresponding path program 1 times [2018-11-18 15:09:48,569 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:09:48,569 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:09:48,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:49,202 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:09:49,239 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 15:09:49,239 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:09:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 15:09:49,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:09:49,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-18 15:09:49,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:09:49,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:09:49,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:09:49,344 INFO L87 Difference]: Start difference. First operand 10254 states and 14881 transitions. Second operand 7 states. [2018-11-18 15:09:49,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:09:49,836 INFO L93 Difference]: Finished difference Result 10264 states and 14890 transitions. [2018-11-18 15:09:49,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:09:49,836 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2018-11-18 15:09:49,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:09:49,877 INFO L225 Difference]: With dead ends: 10264 [2018-11-18 15:09:49,877 INFO L226 Difference]: Without dead ends: 10262 [2018-11-18 15:09:49,881 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:09:49,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10262 states. [2018-11-18 15:09:50,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10262 to 10262. [2018-11-18 15:09:50,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10262 states. [2018-11-18 15:09:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10262 states to 10262 states and 14887 transitions. [2018-11-18 15:09:50,577 INFO L78 Accepts]: Start accepts. Automaton has 10262 states and 14887 transitions. Word has length 110 [2018-11-18 15:09:50,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:09:50,577 INFO L480 AbstractCegarLoop]: Abstraction has 10262 states and 14887 transitions. [2018-11-18 15:09:50,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:09:50,577 INFO L276 IsEmpty]: Start isEmpty. Operand 10262 states and 14887 transitions. [2018-11-18 15:09:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 15:09:50,582 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:09:50,582 INFO L375 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:09:50,583 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:09:50,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:09:50,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1251425108, now seen corresponding path program 1 times [2018-11-18 15:09:50,584 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:09:50,584 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:09:50,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:51,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:09:51,273 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 15:09:51,273 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:09:51,400 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 15:09:51,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:09:51,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-18 15:09:51,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:09:51,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:09:51,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:09:51,405 INFO L87 Difference]: Start difference. First operand 10262 states and 14887 transitions. Second operand 7 states. [2018-11-18 15:09:51,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:09:51,888 INFO L93 Difference]: Finished difference Result 10272 states and 14896 transitions. [2018-11-18 15:09:51,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:09:51,889 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2018-11-18 15:09:51,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:09:51,926 INFO L225 Difference]: With dead ends: 10272 [2018-11-18 15:09:51,926 INFO L226 Difference]: Without dead ends: 10270 [2018-11-18 15:09:51,932 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:09:51,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10270 states. [2018-11-18 15:09:52,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10270 to 10270. [2018-11-18 15:09:52,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10270 states. [2018-11-18 15:09:52,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10270 states to 10270 states and 14893 transitions. [2018-11-18 15:09:52,554 INFO L78 Accepts]: Start accepts. Automaton has 10270 states and 14893 transitions. Word has length 135 [2018-11-18 15:09:52,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:09:52,555 INFO L480 AbstractCegarLoop]: Abstraction has 10270 states and 14893 transitions. [2018-11-18 15:09:52,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:09:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 10270 states and 14893 transitions. [2018-11-18 15:09:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 15:09:52,556 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:09:52,557 INFO L375 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:09:52,557 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:09:52,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:09:52,557 INFO L82 PathProgramCache]: Analyzing trace with hash -158418965, now seen corresponding path program 1 times [2018-11-18 15:09:52,558 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:09:52,558 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:09:52,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:53,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:09:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-11-18 15:09:53,259 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:09:53,367 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-11-18 15:09:53,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:09:53,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-18 15:09:53,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:09:53,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:09:53,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:09:53,371 INFO L87 Difference]: Start difference. First operand 10270 states and 14893 transitions. Second operand 7 states. [2018-11-18 15:09:53,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:09:53,802 INFO L93 Difference]: Finished difference Result 10280 states and 14902 transitions. [2018-11-18 15:09:53,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:09:53,802 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2018-11-18 15:09:53,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:09:53,834 INFO L225 Difference]: With dead ends: 10280 [2018-11-18 15:09:53,834 INFO L226 Difference]: Without dead ends: 10278 [2018-11-18 15:09:53,841 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:09:53,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10278 states. [2018-11-18 15:09:54,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10278 to 10278. [2018-11-18 15:09:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10278 states. [2018-11-18 15:09:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10278 states to 10278 states and 14899 transitions. [2018-11-18 15:09:54,534 INFO L78 Accepts]: Start accepts. Automaton has 10278 states and 14899 transitions. Word has length 140 [2018-11-18 15:09:54,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:09:54,534 INFO L480 AbstractCegarLoop]: Abstraction has 10278 states and 14899 transitions. [2018-11-18 15:09:54,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:09:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand 10278 states and 14899 transitions. [2018-11-18 15:09:54,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 15:09:54,536 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:09:54,536 INFO L375 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:09:54,537 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:09:54,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:09:54,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1866168788, now seen corresponding path program 1 times [2018-11-18 15:09:54,538 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:09:54,538 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:09:54,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:55,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:09:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-18 15:09:55,068 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:09:55,122 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-18 15:09:55,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:09:55,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-18 15:09:55,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:09:55,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:09:55,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:09:55,127 INFO L87 Difference]: Start difference. First operand 10278 states and 14899 transitions. Second operand 7 states. [2018-11-18 15:09:55,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:09:55,548 INFO L93 Difference]: Finished difference Result 10288 states and 14908 transitions. [2018-11-18 15:09:55,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:09:55,548 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 125 [2018-11-18 15:09:55,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:09:55,571 INFO L225 Difference]: With dead ends: 10288 [2018-11-18 15:09:55,571 INFO L226 Difference]: Without dead ends: 10284 [2018-11-18 15:09:55,576 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:09:55,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10284 states. [2018-11-18 15:09:56,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10284 to 10284. [2018-11-18 15:09:56,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10284 states. [2018-11-18 15:09:56,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10284 states to 10284 states and 14903 transitions. [2018-11-18 15:09:56,126 INFO L78 Accepts]: Start accepts. Automaton has 10284 states and 14903 transitions. Word has length 125 [2018-11-18 15:09:56,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:09:56,126 INFO L480 AbstractCegarLoop]: Abstraction has 10284 states and 14903 transitions. [2018-11-18 15:09:56,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:09:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand 10284 states and 14903 transitions. [2018-11-18 15:09:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 15:09:56,128 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:09:56,128 INFO L375 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:09:56,128 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:09:56,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:09:56,129 INFO L82 PathProgramCache]: Analyzing trace with hash -711434933, now seen corresponding path program 1 times [2018-11-18 15:09:56,130 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:09:56,130 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:09:56,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:56,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:09:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2018-11-18 15:09:56,703 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:09:56,799 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2018-11-18 15:09:56,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:09:56,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-18 15:09:56,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:09:56,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:09:56,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:09:56,803 INFO L87 Difference]: Start difference. First operand 10284 states and 14903 transitions. Second operand 7 states. [2018-11-18 15:09:57,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:09:57,445 INFO L93 Difference]: Finished difference Result 10290 states and 14908 transitions. [2018-11-18 15:09:57,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:09:57,446 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 150 [2018-11-18 15:09:57,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:09:57,468 INFO L225 Difference]: With dead ends: 10290 [2018-11-18 15:09:57,468 INFO L226 Difference]: Without dead ends: 10175 [2018-11-18 15:09:57,472 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:09:57,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10175 states. [2018-11-18 15:09:57,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10175 to 10151. [2018-11-18 15:09:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10151 states. [2018-11-18 15:09:58,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10151 states to 10151 states and 14745 transitions. [2018-11-18 15:09:58,009 INFO L78 Accepts]: Start accepts. Automaton has 10151 states and 14745 transitions. Word has length 150 [2018-11-18 15:09:58,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:09:58,009 INFO L480 AbstractCegarLoop]: Abstraction has 10151 states and 14745 transitions. [2018-11-18 15:09:58,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:09:58,009 INFO L276 IsEmpty]: Start isEmpty. Operand 10151 states and 14745 transitions. [2018-11-18 15:09:58,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 15:09:58,011 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:09:58,012 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:09:58,012 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:09:58,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:09:58,012 INFO L82 PathProgramCache]: Analyzing trace with hash 384359381, now seen corresponding path program 1 times [2018-11-18 15:09:58,013 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:09:58,013 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:09:58,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:59,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:09:59,692 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 15:09:59,692 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:09:59,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:09:59,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 15:09:59,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:09:59,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:09:59,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:09:59,697 INFO L87 Difference]: Start difference. First operand 10151 states and 14745 transitions. Second operand 8 states. [2018-11-18 15:10:00,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:00,362 INFO L93 Difference]: Finished difference Result 20270 states and 29451 transitions. [2018-11-18 15:10:00,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:10:00,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2018-11-18 15:10:00,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:00,391 INFO L225 Difference]: With dead ends: 20270 [2018-11-18 15:10:00,391 INFO L226 Difference]: Without dead ends: 10151 [2018-11-18 15:10:00,449 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:10:00,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10151 states. [2018-11-18 15:10:01,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10151 to 10151. [2018-11-18 15:10:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10151 states. [2018-11-18 15:10:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10151 states to 10151 states and 14744 transitions. [2018-11-18 15:10:01,068 INFO L78 Accepts]: Start accepts. Automaton has 10151 states and 14744 transitions. Word has length 178 [2018-11-18 15:10:01,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:01,068 INFO L480 AbstractCegarLoop]: Abstraction has 10151 states and 14744 transitions. [2018-11-18 15:10:01,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:10:01,068 INFO L276 IsEmpty]: Start isEmpty. Operand 10151 states and 14744 transitions. [2018-11-18 15:10:01,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 15:10:01,071 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:01,071 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:01,071 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:01,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:01,071 INFO L82 PathProgramCache]: Analyzing trace with hash -151768168, now seen corresponding path program 1 times [2018-11-18 15:10:01,073 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:01,073 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:01,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:03,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-11-18 15:10:03,491 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:03,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:10:03,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-11-18 15:10:03,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 15:10:03,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 15:10:03,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-11-18 15:10:03,497 INFO L87 Difference]: Start difference. First operand 10151 states and 14744 transitions. Second operand 17 states. [2018-11-18 15:10:04,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:04,720 INFO L93 Difference]: Finished difference Result 20382 states and 29628 transitions. [2018-11-18 15:10:04,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 15:10:04,721 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 182 [2018-11-18 15:10:04,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:04,753 INFO L225 Difference]: With dead ends: 20382 [2018-11-18 15:10:04,753 INFO L226 Difference]: Without dead ends: 10263 [2018-11-18 15:10:04,788 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2018-11-18 15:10:04,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10263 states. [2018-11-18 15:10:05,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10263 to 10207. [2018-11-18 15:10:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10207 states. [2018-11-18 15:10:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10207 states to 10207 states and 14808 transitions. [2018-11-18 15:10:05,295 INFO L78 Accepts]: Start accepts. Automaton has 10207 states and 14808 transitions. Word has length 182 [2018-11-18 15:10:05,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:05,295 INFO L480 AbstractCegarLoop]: Abstraction has 10207 states and 14808 transitions. [2018-11-18 15:10:05,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 15:10:05,295 INFO L276 IsEmpty]: Start isEmpty. Operand 10207 states and 14808 transitions. [2018-11-18 15:10:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 15:10:05,297 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:05,297 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:05,297 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:05,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:05,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1409854621, now seen corresponding path program 1 times [2018-11-18 15:10:05,298 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:05,298 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:05,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:07,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-11-18 15:10:07,498 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:07,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:10:07,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-11-18 15:10:07,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 15:10:07,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 15:10:07,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-11-18 15:10:07,504 INFO L87 Difference]: Start difference. First operand 10207 states and 14808 transitions. Second operand 18 states. [2018-11-18 15:10:09,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:09,086 INFO L93 Difference]: Finished difference Result 20701 states and 30095 transitions. [2018-11-18 15:10:09,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 15:10:09,087 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 185 [2018-11-18 15:10:09,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:09,111 INFO L225 Difference]: With dead ends: 20701 [2018-11-18 15:10:09,111 INFO L226 Difference]: Without dead ends: 10526 [2018-11-18 15:10:09,141 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2018-11-18 15:10:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10526 states. [2018-11-18 15:10:09,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10526 to 10303. [2018-11-18 15:10:09,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10303 states. [2018-11-18 15:10:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10303 states to 10303 states and 14947 transitions. [2018-11-18 15:10:09,714 INFO L78 Accepts]: Start accepts. Automaton has 10303 states and 14947 transitions. Word has length 185 [2018-11-18 15:10:09,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:09,714 INFO L480 AbstractCegarLoop]: Abstraction has 10303 states and 14947 transitions. [2018-11-18 15:10:09,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 15:10:09,715 INFO L276 IsEmpty]: Start isEmpty. Operand 10303 states and 14947 transitions. [2018-11-18 15:10:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 15:10:09,716 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:09,717 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:09,717 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:09,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:09,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1145780024, now seen corresponding path program 1 times [2018-11-18 15:10:09,718 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:09,718 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:09,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:10,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:10,333 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 15:10:10,333 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:10,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:10:10,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:10:10,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:10:10,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:10:10,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:10:10,337 INFO L87 Difference]: Start difference. First operand 10303 states and 14947 transitions. Second operand 3 states. [2018-11-18 15:10:10,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:10,885 INFO L93 Difference]: Finished difference Result 20574 states and 30633 transitions. [2018-11-18 15:10:10,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:10:10,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2018-11-18 15:10:10,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:10,910 INFO L225 Difference]: With dead ends: 20574 [2018-11-18 15:10:10,910 INFO L226 Difference]: Without dead ends: 10307 [2018-11-18 15:10:10,943 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:10:10,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10307 states. [2018-11-18 15:10:11,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10307 to 10307. [2018-11-18 15:10:11,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10307 states. [2018-11-18 15:10:11,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10307 states to 10307 states and 14951 transitions. [2018-11-18 15:10:11,436 INFO L78 Accepts]: Start accepts. Automaton has 10307 states and 14951 transitions. Word has length 219 [2018-11-18 15:10:11,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:11,436 INFO L480 AbstractCegarLoop]: Abstraction has 10307 states and 14951 transitions. [2018-11-18 15:10:11,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:10:11,436 INFO L276 IsEmpty]: Start isEmpty. Operand 10307 states and 14951 transitions. [2018-11-18 15:10:11,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 15:10:11,438 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:11,439 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:11,439 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:11,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:11,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1021706777, now seen corresponding path program 1 times [2018-11-18 15:10:11,440 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:11,440 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:11,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:13,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:13,420 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 15:10:13,420 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:10:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 15:10:14,004 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:10:14,004 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:10:14,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:15,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 15:10:15,308 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:15,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:10:15,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12, 12] total 25 [2018-11-18 15:10:15,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-18 15:10:15,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-18 15:10:15,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=543, Unknown=0, NotChecked=0, Total=600 [2018-11-18 15:10:15,338 INFO L87 Difference]: Start difference. First operand 10307 states and 14951 transitions. Second operand 25 states. [2018-11-18 15:10:17,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:17,692 INFO L93 Difference]: Finished difference Result 20568 states and 30031 transitions. [2018-11-18 15:10:17,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 15:10:17,693 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 219 [2018-11-18 15:10:17,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:17,720 INFO L225 Difference]: With dead ends: 20568 [2018-11-18 15:10:17,720 INFO L226 Difference]: Without dead ends: 10289 [2018-11-18 15:10:17,749 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=85, Invalid=785, Unknown=0, NotChecked=0, Total=870 [2018-11-18 15:10:17,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10289 states. [2018-11-18 15:10:18,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10289 to 10289. [2018-11-18 15:10:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10289 states. [2018-11-18 15:10:18,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10289 states to 10289 states and 14874 transitions. [2018-11-18 15:10:18,263 INFO L78 Accepts]: Start accepts. Automaton has 10289 states and 14874 transitions. Word has length 219 [2018-11-18 15:10:18,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:18,263 INFO L480 AbstractCegarLoop]: Abstraction has 10289 states and 14874 transitions. [2018-11-18 15:10:18,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-18 15:10:18,263 INFO L276 IsEmpty]: Start isEmpty. Operand 10289 states and 14874 transitions. [2018-11-18 15:10:18,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 15:10:18,265 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:18,265 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:18,265 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:18,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:18,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1348100362, now seen corresponding path program 1 times [2018-11-18 15:10:18,267 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:18,267 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 21 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:18,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:18,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-11-18 15:10:18,931 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:18,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:10:18,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:10:18,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:10:18,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:10:18,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:10:18,936 INFO L87 Difference]: Start difference. First operand 10289 states and 14874 transitions. Second operand 3 states. [2018-11-18 15:10:19,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:19,462 INFO L93 Difference]: Finished difference Result 20570 states and 29916 transitions. [2018-11-18 15:10:19,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:10:19,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 263 [2018-11-18 15:10:19,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:19,493 INFO L225 Difference]: With dead ends: 20570 [2018-11-18 15:10:19,493 INFO L226 Difference]: Without dead ends: 10317 [2018-11-18 15:10:19,521 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:10:19,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10317 states. [2018-11-18 15:10:20,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10317 to 10299. [2018-11-18 15:10:20,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10299 states. [2018-11-18 15:10:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10299 states to 10299 states and 14885 transitions. [2018-11-18 15:10:20,148 INFO L78 Accepts]: Start accepts. Automaton has 10299 states and 14885 transitions. Word has length 263 [2018-11-18 15:10:20,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:20,148 INFO L480 AbstractCegarLoop]: Abstraction has 10299 states and 14885 transitions. [2018-11-18 15:10:20,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:10:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 10299 states and 14885 transitions. [2018-11-18 15:10:20,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 15:10:20,150 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:20,150 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:20,151 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:20,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:20,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1218716895, now seen corresponding path program 1 times [2018-11-18 15:10:20,152 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:20,152 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 22 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:20,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:21,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-18 15:10:22,037 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:22,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:10:22,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:10:22,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:10:22,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:10:22,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:10:22,044 INFO L87 Difference]: Start difference. First operand 10299 states and 14885 transitions. Second operand 7 states. [2018-11-18 15:10:22,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:22,709 INFO L93 Difference]: Finished difference Result 20610 states and 29955 transitions. [2018-11-18 15:10:22,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:10:22,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 266 [2018-11-18 15:10:22,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:22,734 INFO L225 Difference]: With dead ends: 20610 [2018-11-18 15:10:22,735 INFO L226 Difference]: Without dead ends: 10347 [2018-11-18 15:10:22,768 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:10:22,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10347 states. [2018-11-18 15:10:23,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10347 to 10327. [2018-11-18 15:10:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10327 states. [2018-11-18 15:10:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10327 states to 10327 states and 14913 transitions. [2018-11-18 15:10:23,293 INFO L78 Accepts]: Start accepts. Automaton has 10327 states and 14913 transitions. Word has length 266 [2018-11-18 15:10:23,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:23,293 INFO L480 AbstractCegarLoop]: Abstraction has 10327 states and 14913 transitions. [2018-11-18 15:10:23,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:10:23,293 INFO L276 IsEmpty]: Start isEmpty. Operand 10327 states and 14913 transitions. [2018-11-18 15:10:23,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-18 15:10:23,295 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:23,296 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:23,296 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:23,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:23,296 INFO L82 PathProgramCache]: Analyzing trace with hash -808402232, now seen corresponding path program 1 times [2018-11-18 15:10:23,298 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:23,298 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 23 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:23,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:25,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2018-11-18 15:10:25,179 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:10:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-11-18 15:10:25,401 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:10:25,401 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:10:25,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:26,590 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:26,832 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2018-11-18 15:10:26,832 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:26,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:10:26,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6] total 12 [2018-11-18 15:10:26,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 15:10:26,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 15:10:26,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-11-18 15:10:26,865 INFO L87 Difference]: Start difference. First operand 10327 states and 14913 transitions. Second operand 12 states. [2018-11-18 15:10:27,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:27,701 INFO L93 Difference]: Finished difference Result 20634 states and 29986 transitions. [2018-11-18 15:10:27,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 15:10:27,701 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 287 [2018-11-18 15:10:27,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:27,727 INFO L225 Difference]: With dead ends: 20634 [2018-11-18 15:10:27,728 INFO L226 Difference]: Without dead ends: 10335 [2018-11-18 15:10:27,763 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 866 GetRequests, 834 SyntacticMatches, 15 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:10:27,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10335 states. [2018-11-18 15:10:28,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10335 to 10331. [2018-11-18 15:10:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10331 states. [2018-11-18 15:10:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10331 states to 10331 states and 14915 transitions. [2018-11-18 15:10:28,420 INFO L78 Accepts]: Start accepts. Automaton has 10331 states and 14915 transitions. Word has length 287 [2018-11-18 15:10:28,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:28,420 INFO L480 AbstractCegarLoop]: Abstraction has 10331 states and 14915 transitions. [2018-11-18 15:10:28,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 15:10:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 10331 states and 14915 transitions. [2018-11-18 15:10:28,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-18 15:10:28,423 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:28,423 INFO L375 BasicCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:28,423 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:28,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:28,423 INFO L82 PathProgramCache]: Analyzing trace with hash 765075970, now seen corresponding path program 1 times [2018-11-18 15:10:28,424 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:28,424 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 25 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:28,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:29,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:29,216 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2018-11-18 15:10:29,216 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:29,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:10:29,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:10:29,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:10:29,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:10:29,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:10:29,220 INFO L87 Difference]: Start difference. First operand 10331 states and 14915 transitions. Second operand 5 states. [2018-11-18 15:10:29,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:29,830 INFO L93 Difference]: Finished difference Result 20687 states and 30039 transitions. [2018-11-18 15:10:29,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:10:29,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 400 [2018-11-18 15:10:29,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:29,856 INFO L225 Difference]: With dead ends: 20687 [2018-11-18 15:10:29,856 INFO L226 Difference]: Without dead ends: 10392 [2018-11-18 15:10:29,885 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:10:29,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10392 states. [2018-11-18 15:10:30,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10392 to 10351. [2018-11-18 15:10:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10351 states. [2018-11-18 15:10:30,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10351 states to 10351 states and 14937 transitions. [2018-11-18 15:10:30,396 INFO L78 Accepts]: Start accepts. Automaton has 10351 states and 14937 transitions. Word has length 400 [2018-11-18 15:10:30,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:30,397 INFO L480 AbstractCegarLoop]: Abstraction has 10351 states and 14937 transitions. [2018-11-18 15:10:30,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:10:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 10351 states and 14937 transitions. [2018-11-18 15:10:30,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2018-11-18 15:10:30,400 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:30,400 INFO L375 BasicCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:30,400 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:30,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:30,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1250413552, now seen corresponding path program 1 times [2018-11-18 15:10:30,402 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:30,402 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 26 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:30,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:31,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-11-18 15:10:31,167 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:31,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:10:31,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:10:31,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:10:31,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:10:31,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:10:31,172 INFO L87 Difference]: Start difference. First operand 10351 states and 14937 transitions. Second operand 3 states. [2018-11-18 15:10:31,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:31,704 INFO L93 Difference]: Finished difference Result 20690 states and 30044 transitions. [2018-11-18 15:10:31,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:10:31,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 411 [2018-11-18 15:10:31,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:31,726 INFO L225 Difference]: With dead ends: 20690 [2018-11-18 15:10:31,726 INFO L226 Difference]: Without dead ends: 10375 [2018-11-18 15:10:31,754 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:10:31,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10375 states. [2018-11-18 15:10:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10375 to 10355. [2018-11-18 15:10:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10355 states. [2018-11-18 15:10:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10355 states to 10355 states and 14941 transitions. [2018-11-18 15:10:32,362 INFO L78 Accepts]: Start accepts. Automaton has 10355 states and 14941 transitions. Word has length 411 [2018-11-18 15:10:32,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:32,362 INFO L480 AbstractCegarLoop]: Abstraction has 10355 states and 14941 transitions. [2018-11-18 15:10:32,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:10:32,362 INFO L276 IsEmpty]: Start isEmpty. Operand 10355 states and 14941 transitions. [2018-11-18 15:10:32,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2018-11-18 15:10:32,365 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:32,365 INFO L375 BasicCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:32,365 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:32,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:32,366 INFO L82 PathProgramCache]: Analyzing trace with hash -885469650, now seen corresponding path program 1 times [2018-11-18 15:10:32,367 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:32,367 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 27 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:32,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:34,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 297 proven. 3 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2018-11-18 15:10:34,467 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:10:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2018-11-18 15:10:34,821 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:10:34,821 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:10:34,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:35,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-11-18 15:10:35,962 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:35,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:10:35,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 7] total 12 [2018-11-18 15:10:35,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 15:10:35,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 15:10:35,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-18 15:10:35,992 INFO L87 Difference]: Start difference. First operand 10355 states and 14941 transitions. Second operand 12 states. [2018-11-18 15:10:36,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:36,821 INFO L93 Difference]: Finished difference Result 20548 states and 29825 transitions. [2018-11-18 15:10:36,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:10:36,822 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 411 [2018-11-18 15:10:36,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:36,853 INFO L225 Difference]: With dead ends: 20548 [2018-11-18 15:10:36,853 INFO L226 Difference]: Without dead ends: 10221 [2018-11-18 15:10:36,897 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1233 GetRequests, 1221 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-11-18 15:10:36,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10221 states. [2018-11-18 15:10:37,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10221 to 10207. [2018-11-18 15:10:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10207 states. [2018-11-18 15:10:37,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10207 states to 10207 states and 14710 transitions. [2018-11-18 15:10:37,409 INFO L78 Accepts]: Start accepts. Automaton has 10207 states and 14710 transitions. Word has length 411 [2018-11-18 15:10:37,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:37,410 INFO L480 AbstractCegarLoop]: Abstraction has 10207 states and 14710 transitions. [2018-11-18 15:10:37,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 15:10:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 10207 states and 14710 transitions. [2018-11-18 15:10:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2018-11-18 15:10:37,414 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:37,414 INFO L375 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 12, 12, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:37,415 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:37,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:37,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1957665273, now seen corresponding path program 1 times [2018-11-18 15:10:37,416 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:37,416 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 29 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:37,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:38,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 1040 proven. 0 refuted. 0 times theorem prover too weak. 1264 trivial. 0 not checked. [2018-11-18 15:10:38,482 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:38,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:10:38,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:10:38,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:10:38,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:10:38,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:10:38,487 INFO L87 Difference]: Start difference. First operand 10207 states and 14710 transitions. Second operand 3 states. [2018-11-18 15:10:39,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:39,046 INFO L93 Difference]: Finished difference Result 20408 states and 29596 transitions. [2018-11-18 15:10:39,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:10:39,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 667 [2018-11-18 15:10:39,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:39,078 INFO L225 Difference]: With dead ends: 20408 [2018-11-18 15:10:39,078 INFO L226 Difference]: Without dead ends: 10237 [2018-11-18 15:10:39,107 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 666 GetRequests, 665 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:10:39,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10237 states. [2018-11-18 15:10:39,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10237 to 10209. [2018-11-18 15:10:39,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10209 states. [2018-11-18 15:10:39,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10209 states to 10209 states and 14712 transitions. [2018-11-18 15:10:39,689 INFO L78 Accepts]: Start accepts. Automaton has 10209 states and 14712 transitions. Word has length 667 [2018-11-18 15:10:39,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:39,689 INFO L480 AbstractCegarLoop]: Abstraction has 10209 states and 14712 transitions. [2018-11-18 15:10:39,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:10:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand 10209 states and 14712 transitions. [2018-11-18 15:10:39,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2018-11-18 15:10:39,694 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:39,695 INFO L375 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:39,695 INFO L423 AbstractCegarLoop]: === Iteration 26 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:39,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:39,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1026618456, now seen corresponding path program 1 times [2018-11-18 15:10:39,696 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:39,696 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 30 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:39,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:40,456 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 1664 proven. 1 refuted. 0 times theorem prover too weak. 2113 trivial. 0 not checked. [2018-11-18 15:10:40,603 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:10:41,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3777 trivial. 0 not checked. [2018-11-18 15:10:41,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:10:41,220 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:10:41,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:42,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:42,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 1664 proven. 1 refuted. 0 times theorem prover too weak. 2113 trivial. 0 not checked. [2018-11-18 15:10:42,202 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:10:42,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3777 trivial. 0 not checked. [2018-11-18 15:10:42,864 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-18 15:10:42,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4] total 6 [2018-11-18 15:10:42,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:10:42,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:10:42,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:10:42,866 INFO L87 Difference]: Start difference. First operand 10209 states and 14712 transitions. Second operand 6 states. [2018-11-18 15:10:43,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:43,499 INFO L93 Difference]: Finished difference Result 20472 states and 29700 transitions. [2018-11-18 15:10:43,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:10:43,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 775 [2018-11-18 15:10:43,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:43,522 INFO L225 Difference]: With dead ends: 20472 [2018-11-18 15:10:43,522 INFO L226 Difference]: Without dead ends: 10299 [2018-11-18 15:10:43,551 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3098 GetRequests, 3094 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:10:43,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10299 states. [2018-11-18 15:10:44,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10299 to 10299. [2018-11-18 15:10:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10299 states. [2018-11-18 15:10:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10299 states to 10299 states and 14856 transitions. [2018-11-18 15:10:44,053 INFO L78 Accepts]: Start accepts. Automaton has 10299 states and 14856 transitions. Word has length 775 [2018-11-18 15:10:44,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:44,053 INFO L480 AbstractCegarLoop]: Abstraction has 10299 states and 14856 transitions. [2018-11-18 15:10:44,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:10:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 10299 states and 14856 transitions. [2018-11-18 15:10:44,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2018-11-18 15:10:44,061 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:44,061 INFO L375 BasicCegarLoop]: trace histogram [25, 25, 13, 13, 11, 11, 11, 11, 11, 11, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:44,062 INFO L423 AbstractCegarLoop]: === Iteration 27 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:44,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:44,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1589272232, now seen corresponding path program 1 times [2018-11-18 15:10:44,063 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:44,064 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 32 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:44,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:44,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1897 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1886 trivial. 0 not checked. [2018-11-18 15:10:45,024 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:45,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:10:45,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:10:45,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:10:45,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:10:45,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:10:45,029 INFO L87 Difference]: Start difference. First operand 10299 states and 14856 transitions. Second operand 4 states. [2018-11-18 15:10:50,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:50,391 INFO L93 Difference]: Finished difference Result 15449 states and 22791 transitions. [2018-11-18 15:10:50,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:10:50,392 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 641 [2018-11-18 15:10:50,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:50,412 INFO L225 Difference]: With dead ends: 15449 [2018-11-18 15:10:50,413 INFO L226 Difference]: Without dead ends: 10033 [2018-11-18 15:10:50,433 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:10:50,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10033 states. [2018-11-18 15:10:50,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10033 to 10033. [2018-11-18 15:10:50,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10033 states. [2018-11-18 15:10:50,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10033 states to 10033 states and 14512 transitions. [2018-11-18 15:10:50,940 INFO L78 Accepts]: Start accepts. Automaton has 10033 states and 14512 transitions. Word has length 641 [2018-11-18 15:10:50,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:50,940 INFO L480 AbstractCegarLoop]: Abstraction has 10033 states and 14512 transitions. [2018-11-18 15:10:50,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:10:50,941 INFO L276 IsEmpty]: Start isEmpty. Operand 10033 states and 14512 transitions. [2018-11-18 15:10:50,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1100 [2018-11-18 15:10:50,948 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:50,948 INFO L375 BasicCegarLoop]: trace histogram [43, 43, 43, 43, 43, 43, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 21, 12, 12, 12, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:50,949 INFO L423 AbstractCegarLoop]: === Iteration 28 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:50,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:50,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1701034891, now seen corresponding path program 2 times [2018-11-18 15:10:50,951 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:50,951 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 33 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:50,971 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-18 15:10:52,166 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-18 15:10:52,166 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 15:10:52,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10756 trivial. 0 not checked. [2018-11-18 15:10:53,249 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:10:53,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:10:53,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:10:53,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:10:53,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:10:53,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:10:53,255 INFO L87 Difference]: Start difference. First operand 10033 states and 14512 transitions. Second operand 5 states. [2018-11-18 15:10:56,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:56,539 INFO L93 Difference]: Finished difference Result 10037 states and 14515 transitions. [2018-11-18 15:10:56,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:10:56,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1099 [2018-11-18 15:10:56,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:56,566 INFO L225 Difference]: With dead ends: 10037 [2018-11-18 15:10:56,566 INFO L226 Difference]: Without dead ends: 10035 [2018-11-18 15:10:56,572 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1100 GetRequests, 1095 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:10:56,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10035 states. [2018-11-18 15:10:57,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10035 to 10033. [2018-11-18 15:10:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10033 states. [2018-11-18 15:10:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10033 states to 10033 states and 14510 transitions. [2018-11-18 15:10:57,099 INFO L78 Accepts]: Start accepts. Automaton has 10033 states and 14510 transitions. Word has length 1099 [2018-11-18 15:10:57,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:57,100 INFO L480 AbstractCegarLoop]: Abstraction has 10033 states and 14510 transitions. [2018-11-18 15:10:57,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:10:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand 10033 states and 14510 transitions. [2018-11-18 15:10:57,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1306 [2018-11-18 15:10:57,110 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:57,111 INFO L375 BasicCegarLoop]: trace histogram [43, 43, 43, 43, 43, 43, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 21, 17, 17, 17, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:57,111 INFO L423 AbstractCegarLoop]: === Iteration 29 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:57,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:57,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1445317779, now seen corresponding path program 1 times [2018-11-18 15:10:57,114 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:10:57,114 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 34 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:10:57,134 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:10:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:58,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:58,540 INFO L134 CoverageAnalysis]: Checked inductivity of 11217 backedges. 3912 proven. 76 refuted. 0 times theorem prover too weak. 7229 trivial. 0 not checked. [2018-11-18 15:10:58,540 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:11:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 11217 backedges. 7 proven. 76 refuted. 0 times theorem prover too weak. 11134 trivial. 0 not checked. [2018-11-18 15:11:00,544 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:11:00,544 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:11:00,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:01,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 11217 backedges. 3912 proven. 76 refuted. 0 times theorem prover too weak. 7229 trivial. 0 not checked. [2018-11-18 15:11:01,687 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:11:03,676 INFO L134 CoverageAnalysis]: Checked inductivity of 11217 backedges. 7 proven. 76 refuted. 0 times theorem prover too weak. 11134 trivial. 0 not checked. [2018-11-18 15:11:03,701 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-18 15:11:03,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7] total 12 [2018-11-18 15:11:03,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 15:11:03,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 15:11:03,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2018-11-18 15:11:03,703 INFO L87 Difference]: Start difference. First operand 10033 states and 14510 transitions. Second operand 12 states. [2018-11-18 15:11:04,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:04,627 INFO L93 Difference]: Finished difference Result 20152 states and 29350 transitions. [2018-11-18 15:11:04,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 15:11:04,627 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1305 [2018-11-18 15:11:04,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:04,655 INFO L225 Difference]: With dead ends: 20152 [2018-11-18 15:11:04,655 INFO L226 Difference]: Without dead ends: 10153 [2018-11-18 15:11:04,685 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5218 GetRequests, 5208 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2018-11-18 15:11:04,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10153 states. [2018-11-18 15:11:05,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10153 to 10153. [2018-11-18 15:11:05,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10153 states. [2018-11-18 15:11:05,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10153 states to 10153 states and 14702 transitions. [2018-11-18 15:11:05,227 INFO L78 Accepts]: Start accepts. Automaton has 10153 states and 14702 transitions. Word has length 1305 [2018-11-18 15:11:05,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:05,228 INFO L480 AbstractCegarLoop]: Abstraction has 10153 states and 14702 transitions. [2018-11-18 15:11:05,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 15:11:05,228 INFO L276 IsEmpty]: Start isEmpty. Operand 10153 states and 14702 transitions. [2018-11-18 15:11:05,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1749 [2018-11-18 15:11:05,242 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:05,243 INFO L375 BasicCegarLoop]: trace histogram [67, 67, 67, 67, 67, 67, 36, 36, 34, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 33, 18, 18, 18, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:05,243 INFO L423 AbstractCegarLoop]: === Iteration 30 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:05,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:05,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1933277668, now seen corresponding path program 1 times [2018-11-18 15:11:05,245 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:11:05,245 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 36 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:11:05,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:08,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 26765 backedges. 403 proven. 6 refuted. 0 times theorem prover too weak. 26356 trivial. 0 not checked. [2018-11-18 15:11:09,082 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:11:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 26765 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26753 trivial. 0 not checked. [2018-11-18 15:11:11,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:11:11,216 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:11:11,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:12,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 26765 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 26726 trivial. 0 not checked. [2018-11-18 15:11:12,792 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:11:12,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:11:12,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [8, 8] total 15 [2018-11-18 15:11:12,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 15:11:12,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 15:11:12,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-11-18 15:11:12,820 INFO L87 Difference]: Start difference. First operand 10153 states and 14702 transitions. Second operand 15 states. [2018-11-18 15:11:13,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:13,750 INFO L93 Difference]: Finished difference Result 20298 states and 29746 transitions. [2018-11-18 15:11:13,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 15:11:13,750 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1748 [2018-11-18 15:11:13,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:13,778 INFO L225 Difference]: With dead ends: 20298 [2018-11-18 15:11:13,778 INFO L226 Difference]: Without dead ends: 10171 [2018-11-18 15:11:13,808 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5244 GetRequests, 5229 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-11-18 15:11:13,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10171 states. [2018-11-18 15:11:14,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10171 to 10167. [2018-11-18 15:11:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10167 states. [2018-11-18 15:11:14,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10167 states to 10167 states and 14716 transitions. [2018-11-18 15:11:14,352 INFO L78 Accepts]: Start accepts. Automaton has 10167 states and 14716 transitions. Word has length 1748 [2018-11-18 15:11:14,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:14,352 INFO L480 AbstractCegarLoop]: Abstraction has 10167 states and 14716 transitions. [2018-11-18 15:11:14,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 15:11:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 10167 states and 14716 transitions. [2018-11-18 15:11:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1753 [2018-11-18 15:11:14,367 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:14,368 INFO L375 BasicCegarLoop]: trace histogram [67, 67, 67, 67, 67, 67, 35, 35, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 17, 17, 17, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:14,368 INFO L423 AbstractCegarLoop]: === Iteration 31 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:14,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:14,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1215258425, now seen corresponding path program 1 times [2018-11-18 15:11:14,370 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:11:14,370 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 38 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:11:14,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:17,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 26639 backedges. 315 proven. 10 refuted. 0 times theorem prover too weak. 26314 trivial. 0 not checked. [2018-11-18 15:11:17,980 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:11:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 26639 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 26623 trivial. 0 not checked. [2018-11-18 15:11:21,088 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:11:21,088 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:11:21,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:22,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:23,257 INFO L134 CoverageAnalysis]: Checked inductivity of 26639 backedges. 495 proven. 0 refuted. 0 times theorem prover too weak. 26144 trivial. 0 not checked. [2018-11-18 15:11:23,258 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:11:23,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:11:23,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9, 9] total 23 [2018-11-18 15:11:23,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-18 15:11:23,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-18 15:11:23,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2018-11-18 15:11:23,292 INFO L87 Difference]: Start difference. First operand 10167 states and 14716 transitions. Second operand 23 states. [2018-11-18 15:11:24,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:24,997 INFO L93 Difference]: Finished difference Result 20360 states and 29644 transitions. [2018-11-18 15:11:24,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 15:11:24,997 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1752 [2018-11-18 15:11:24,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:25,026 INFO L225 Difference]: With dead ends: 20360 [2018-11-18 15:11:25,026 INFO L226 Difference]: Without dead ends: 10219 [2018-11-18 15:11:25,061 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5257 GetRequests, 5233 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2018-11-18 15:11:25,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10219 states. [2018-11-18 15:11:25,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10219 to 10219. [2018-11-18 15:11:25,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10219 states. [2018-11-18 15:11:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10219 states to 10219 states and 14786 transitions. [2018-11-18 15:11:25,608 INFO L78 Accepts]: Start accepts. Automaton has 10219 states and 14786 transitions. Word has length 1752 [2018-11-18 15:11:25,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:25,609 INFO L480 AbstractCegarLoop]: Abstraction has 10219 states and 14786 transitions. [2018-11-18 15:11:25,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-18 15:11:25,609 INFO L276 IsEmpty]: Start isEmpty. Operand 10219 states and 14786 transitions. [2018-11-18 15:11:25,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1765 [2018-11-18 15:11:25,623 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:25,624 INFO L375 BasicCegarLoop]: trace histogram [67, 67, 67, 67, 67, 67, 36, 36, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 18, 18, 18, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:25,624 INFO L423 AbstractCegarLoop]: === Iteration 32 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:25,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:25,625 INFO L82 PathProgramCache]: Analyzing trace with hash -244998083, now seen corresponding path program 1 times [2018-11-18 15:11:25,627 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:11:25,627 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 40 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:11:25,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:28,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:29,398 INFO L134 CoverageAnalysis]: Checked inductivity of 26891 backedges. 403 proven. 15 refuted. 0 times theorem prover too weak. 26473 trivial. 0 not checked. [2018-11-18 15:11:29,398 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:11:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 26891 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 26870 trivial. 0 not checked. [2018-11-18 15:11:31,647 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:11:31,647 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:11:31,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:33,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:34,218 INFO L134 CoverageAnalysis]: Checked inductivity of 26891 backedges. 735 proven. 98 refuted. 0 times theorem prover too weak. 26058 trivial. 0 not checked. [2018-11-18 15:11:34,218 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:11:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 26891 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 26786 trivial. 0 not checked. [2018-11-18 15:11:36,473 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-18 15:11:36,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 6, 6] total 25 [2018-11-18 15:11:36,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-18 15:11:36,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-18 15:11:36,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2018-11-18 15:11:36,476 INFO L87 Difference]: Start difference. First operand 10219 states and 14786 transitions. Second operand 25 states. [2018-11-18 15:11:38,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:38,493 INFO L93 Difference]: Finished difference Result 21086 states and 30786 transitions. [2018-11-18 15:11:38,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 15:11:38,494 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1764 [2018-11-18 15:11:38,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:38,522 INFO L225 Difference]: With dead ends: 21086 [2018-11-18 15:11:38,522 INFO L226 Difference]: Without dead ends: 10893 [2018-11-18 15:11:38,554 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7069 GetRequests, 7036 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=180, Invalid=942, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 15:11:38,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10893 states. [2018-11-18 15:11:39,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10893 to 10893. [2018-11-18 15:11:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10893 states. [2018-11-18 15:11:39,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10893 states to 10893 states and 15858 transitions. [2018-11-18 15:11:39,166 INFO L78 Accepts]: Start accepts. Automaton has 10893 states and 15858 transitions. Word has length 1764 [2018-11-18 15:11:39,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:39,166 INFO L480 AbstractCegarLoop]: Abstraction has 10893 states and 15858 transitions. [2018-11-18 15:11:39,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-18 15:11:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 10893 states and 15858 transitions. [2018-11-18 15:11:39,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1766 [2018-11-18 15:11:39,184 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:39,184 INFO L375 BasicCegarLoop]: trace histogram [67, 67, 67, 67, 67, 67, 36, 36, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 18, 18, 18, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:39,185 INFO L423 AbstractCegarLoop]: === Iteration 33 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:39,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:39,185 INFO L82 PathProgramCache]: Analyzing trace with hash 670480448, now seen corresponding path program 1 times [2018-11-18 15:11:39,187 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 15:11:39,187 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/cvc4nyu Starting monitored process 42 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 15:11:39,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:42,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:42,796 INFO L134 CoverageAnalysis]: Checked inductivity of 26849 backedges. 403 proven. 21 refuted. 0 times theorem prover too weak. 26425 trivial. 0 not checked. [2018-11-18 15:11:42,796 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:11:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 26849 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 26822 trivial. 0 not checked. [2018-11-18 15:11:45,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:11:45,081 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d26e529-0727-4718-a0aa-9df3438d6cb5/bin-2019/utaipan/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:11:45,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:46,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:11:48,433 INFO L134 CoverageAnalysis]: Checked inductivity of 26849 backedges. 794 proven. 171 refuted. 0 times theorem prover too weak. 25884 trivial. 0 not checked. [2018-11-18 15:11:48,433 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:11:50,028 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:11:50,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 7] total 24 [2018-11-18 15:11:50,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-18 15:11:50,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-18 15:11:50,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=696, Unknown=0, NotChecked=0, Total=812 [2018-11-18 15:11:50,031 INFO L87 Difference]: Start difference. First operand 10893 states and 15858 transitions. Second operand 24 states. [2018-11-18 15:11:54,135 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-11-18 15:11:56,680 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-18 15:11:56,681 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:651) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:255) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:270) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:688) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:601) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2018-11-18 15:11:56,683 INFO L168 Benchmark]: Toolchain (without parser) took 223662.71 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 933.0 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-18 15:11:56,684 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:11:56,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6189.18 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 846.7 MB). Free memory was 933.0 MB in the beginning and 1.0 GB in the end (delta: -110.5 MB). Peak memory consumption was 740.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:56,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.25 ms. Allocated memory is still 1.9 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:11:56,685 INFO L168 Benchmark]: Boogie Preprocessor took 235.66 ms. Allocated memory is still 1.9 GB. Free memory was 1.0 GB in the beginning and 999.0 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:56,685 INFO L168 Benchmark]: RCFGBuilder took 14614.08 ms. Allocated memory was 1.9 GB in the beginning and 2.2 GB in the end (delta: 356.0 MB). Free memory was 999.0 MB in the beginning and 1.7 GB in the end (delta: -714.2 MB). Peak memory consumption was 660.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:56,685 INFO L168 Benchmark]: TraceAbstraction took 202522.31 ms. Allocated memory was 2.2 GB in the beginning and 4.8 GB in the end (delta: 2.6 GB). Free memory was 1.7 GB in the beginning and 3.1 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 15:11:56,687 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 6189.18 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 846.7 MB). Free memory was 933.0 MB in the beginning and 1.0 GB in the end (delta: -110.5 MB). Peak memory consumption was 740.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.25 ms. Allocated memory is still 1.9 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 235.66 ms. Allocated memory is still 1.9 GB. Free memory was 1.0 GB in the beginning and 999.0 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14614.08 ms. Allocated memory was 1.9 GB in the beginning and 2.2 GB in the end (delta: 356.0 MB). Free memory was 999.0 MB in the beginning and 1.7 GB in the end (delta: -714.2 MB). Peak memory consumption was 660.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 202522.31 ms. Allocated memory was 2.2 GB in the beginning and 4.8 GB in the end (delta: 2.6 GB). Free memory was 1.7 GB in the beginning and 3.1 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...