./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fa6f14838f0f83d59d9f54edcf6d2d61c8862c847567e768bd3614303ab0dc70 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:59:33,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:59:33,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:59:33,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:59:33,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:59:33,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:59:33,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:59:33,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:59:33,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:59:33,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:59:33,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:59:33,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:59:33,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:59:33,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:59:33,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:59:33,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:59:33,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:59:33,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:59:33,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:59:33,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:59:33,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:59:33,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:59:33,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:59:33,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:59:33,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:59:33,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:59:33,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:59:33,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:59:33,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:59:33,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:59:33,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:59:33,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:59:33,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:59:33,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:59:33,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:59:33,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:59:33,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:59:33,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:59:33,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:59:33,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:59:33,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:59:33,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 01:59:33,364 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:59:33,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:59:33,365 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:59:33,365 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:59:33,366 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:59:33,366 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:59:33,366 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:59:33,367 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:59:33,367 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:59:33,368 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:59:33,368 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:59:33,368 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:59:33,369 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:59:33,369 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:59:33,369 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:59:33,370 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:59:33,370 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:59:33,370 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:59:33,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:59:33,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:59:33,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:59:33,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:59:33,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:59:33,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:59:33,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:59:33,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:59:33,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:59:33,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:59:33,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:59:33,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:59:33,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:59:33,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:59:33,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:59:33,376 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:59:33,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:59:33,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:59:33,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:59:33,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:59:33,378 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa6f14838f0f83d59d9f54edcf6d2d61c8862c847567e768bd3614303ab0dc70 [2021-11-23 01:59:33,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:59:33,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:59:33,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:59:33,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:59:33,655 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:59:33,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-23 01:59:33,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/data/782accb94/5f1e1b3c94634d60935496ecd2b7f908/FLAG139bfeceb [2021-11-23 01:59:34,847 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:59:34,848 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-23 01:59:34,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/data/782accb94/5f1e1b3c94634d60935496ecd2b7f908/FLAG139bfeceb [2021-11-23 01:59:35,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/data/782accb94/5f1e1b3c94634d60935496ecd2b7f908 [2021-11-23 01:59:35,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:59:35,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:59:35,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:59:35,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:59:35,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:59:35,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:59:35" (1/1) ... [2021-11-23 01:59:35,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1879cb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:35, skipping insertion in model container [2021-11-23 01:59:35,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:59:35" (1/1) ... [2021-11-23 01:59:35,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:59:35,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:59:41,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[540944,540957] [2021-11-23 01:59:41,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[541113,541126] [2021-11-23 01:59:41,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[541280,541293] [2021-11-23 01:59:41,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[541448,541461] [2021-11-23 01:59:41,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:59:41,250 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:59:41,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[540944,540957] [2021-11-23 01:59:41,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[541113,541126] [2021-11-23 01:59:41,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[541280,541293] [2021-11-23 01:59:41,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[541448,541461] [2021-11-23 01:59:41,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:59:42,274 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:59:42,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:42 WrapperNode [2021-11-23 01:59:42,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:59:42,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:59:42,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:59:42,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:59:42,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:42" (1/1) ... [2021-11-23 01:59:42,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:42" (1/1) ... [2021-11-23 01:59:42,794 INFO L137 Inliner]: procedures = 681, calls = 4259, calls flagged for inlining = 342, calls inlined = 274, statements flattened = 8207 [2021-11-23 01:59:42,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:59:42,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:59:42,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:59:42,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:59:42,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:42" (1/1) ... [2021-11-23 01:59:42,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:42" (1/1) ... [2021-11-23 01:59:42,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:42" (1/1) ... [2021-11-23 01:59:42,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:42" (1/1) ... [2021-11-23 01:59:43,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:42" (1/1) ... [2021-11-23 01:59:43,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:42" (1/1) ... [2021-11-23 01:59:43,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:42" (1/1) ... [2021-11-23 01:59:43,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:59:43,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:59:43,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:59:43,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:59:43,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:42" (1/1) ... [2021-11-23 01:59:43,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:59:43,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:59:43,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:59:43,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093b2733-f80a-487c-8806-9e5976677215/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:59:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-11-23 01:59:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-11-23 01:59:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-11-23 01:59:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-11-23 01:59:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-11-23 01:59:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-11-23 01:59:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 01:59:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 01:59:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2021-11-23 01:59:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2021-11-23 01:59:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 01:59:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 01:59:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-11-23 01:59:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-11-23 01:59:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 01:59:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 01:59:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 01:59:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 01:59:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 01:59:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 01:59:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-11-23 01:59:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-11-23 01:59:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-23 01:59:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-23 01:59:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 01:59:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 01:59:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 01:59:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 01:59:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 01:59:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 01:59:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-11-23 01:59:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-11-23 01:59:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-11-23 01:59:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-11-23 01:59:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-23 01:59:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-23 01:59:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-23 01:59:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-23 01:59:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-11-23 01:59:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-11-23 01:59:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 01:59:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 01:59:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 01:59:43,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 01:59:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 01:59:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 01:59:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 01:59:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 01:59:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 01:59:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 01:59:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:59:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-23 01:59:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-23 01:59:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-11-23 01:59:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-11-23 01:59:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-23 01:59:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-23 01:59:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 01:59:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 01:59:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-11-23 01:59:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-11-23 01:59:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 01:59:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 01:59:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-23 01:59:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-23 01:59:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 01:59:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 01:59:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 01:59:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 01:59:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 01:59:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 01:59:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 01:59:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 01:59:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-11-23 01:59:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-11-23 01:59:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:59:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-11-23 01:59:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-11-23 01:59:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 01:59:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 01:59:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 01:59:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 01:59:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 01:59:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 01:59:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-23 01:59:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-23 01:59:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-23 01:59:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-23 01:59:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 01:59:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 01:59:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 01:59:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 01:59:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-23 01:59:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-23 01:59:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-23 01:59:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-23 01:59:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-23 01:59:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-23 01:59:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-11-23 01:59:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-11-23 01:59:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_3 [2021-11-23 01:59:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_3 [2021-11-23 01:59:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 01:59:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 01:59:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-11-23 01:59:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-11-23 01:59:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-11-23 01:59:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-11-23 01:59:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-23 01:59:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-23 01:59:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-11-23 01:59:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-11-23 01:59:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-11-23 01:59:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-11-23 01:59:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 01:59:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 01:59:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-11-23 01:59:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-11-23 01:59:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:59:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-23 01:59:43,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-23 01:59:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-23 01:59:43,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-23 01:59:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:59:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 01:59:43,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 01:59:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:59:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 01:59:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:59:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:59:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 01:59:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 01:59:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-11-23 01:59:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-11-23 01:59:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-11-23 01:59:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-11-23 01:59:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-23 01:59:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-23 01:59:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-23 01:59:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-23 01:59:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-23 01:59:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-23 01:59:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 01:59:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 01:59:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-11-23 01:59:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-11-23 01:59:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 01:59:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 01:59:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-23 01:59:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-23 01:59:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-23 01:59:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-23 01:59:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-23 01:59:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-23 01:59:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 01:59:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 01:59:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-11-23 01:59:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-11-23 01:59:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-11-23 01:59:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-11-23 01:59:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:59:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:59:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 01:59:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 01:59:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 01:59:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-11-23 01:59:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-11-23 01:59:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:59:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 01:59:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 01:59:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 01:59:43,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 01:59:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-23 01:59:43,356 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-23 01:59:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 01:59:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 01:59:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-23 01:59:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-23 01:59:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 01:59:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 01:59:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 01:59:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 01:59:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 01:59:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 01:59:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 01:59:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-11-23 01:59:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-11-23 01:59:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-23 01:59:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-23 01:59:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-23 01:59:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-23 01:59:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 01:59:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 01:59:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-11-23 01:59:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-11-23 01:59:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-23 01:59:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-23 01:59:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-23 01:59:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-23 01:59:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-23 01:59:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-23 01:59:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-23 01:59:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-23 01:59:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 01:59:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 01:59:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:59:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 01:59:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 01:59:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:59:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-23 01:59:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-23 01:59:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-23 01:59:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-23 01:59:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-11-23 01:59:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-11-23 01:59:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:59:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 01:59:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 01:59:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-23 01:59:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-23 01:59:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-11-23 01:59:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-11-23 01:59:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 01:59:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 01:59:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-23 01:59:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-23 01:59:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 01:59:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 01:59:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-23 01:59:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-23 01:59:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-11-23 01:59:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-11-23 01:59:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-11-23 01:59:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-11-23 01:59:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-23 01:59:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-23 01:59:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-23 01:59:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-23 01:59:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 01:59:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 01:59:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 01:59:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 01:59:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-11-23 01:59:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-11-23 01:59:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-11-23 01:59:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-11-23 01:59:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 01:59:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 01:59:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-11-23 01:59:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-11-23 01:59:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:59:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 01:59:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 01:59:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-11-23 01:59:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-11-23 01:59:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 01:59:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 01:59:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 01:59:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 01:59:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 01:59:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 01:59:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-11-23 01:59:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-11-23 01:59:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 01:59:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 01:59:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-11-23 01:59:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-11-23 01:59:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-11-23 01:59:43,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-11-23 01:59:43,383 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-23 01:59:43,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-23 01:59:43,383 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-11-23 01:59:43,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-11-23 01:59:43,383 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-11-23 01:59:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-11-23 01:59:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-11-23 01:59:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-11-23 01:59:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 01:59:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 01:59:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-23 01:59:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-23 01:59:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 01:59:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 01:59:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-11-23 01:59:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-11-23 01:59:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-23 01:59:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-23 01:59:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 01:59:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 01:59:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-23 01:59:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-23 01:59:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-23 01:59:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-23 01:59:43,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:59:43,386 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-11-23 01:59:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-11-23 01:59:43,386 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-23 01:59:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-23 01:59:43,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 01:59:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 01:59:43,386 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-11-23 01:59:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-11-23 01:59:43,386 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-23 01:59:43,387 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-23 01:59:44,575 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:59:44,579 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:59:46,872 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:13:12,755 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:13:17,491 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:13:17,491 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-23 02:13:17,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:17 BoogieIcfgContainer [2021-11-23 02:13:17,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:13:17,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:13:17,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:13:17,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:13:17,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:59:35" (1/3) ... [2021-11-23 02:13:17,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457d8a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:13:17, skipping insertion in model container [2021-11-23 02:13:17,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:42" (2/3) ... [2021-11-23 02:13:17,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457d8a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:13:17, skipping insertion in model container [2021-11-23 02:13:17,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:17" (3/3) ... [2021-11-23 02:13:17,509 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-23 02:13:17,515 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:13:17,516 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 02:13:17,593 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:13:17,602 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:13:17,604 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 02:13:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 1972 states, 1178 states have (on average 1.2945670628183361) internal successors, (1525), 1238 states have internal predecessors, (1525), 648 states have call successors, (648), 143 states have call predecessors, (648), 142 states have return successors, (639), 628 states have call predecessors, (639), 639 states have call successors, (639) [2021-11-23 02:13:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 02:13:17,691 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:13:17,692 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-23 02:13:17,693 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 02:13:17,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:13:17,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1969993934, now seen corresponding path program 1 times [2021-11-23 02:13:17,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:13:17,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278852783] [2021-11-23 02:13:17,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:13:17,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:13:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:13:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:13:19,175 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:13:19,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278852783] [2021-11-23 02:13:19,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278852783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:13:19,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:13:19,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:13:19,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388077983] [2021-11-23 02:13:19,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:13:19,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:13:19,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:13:19,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:13:19,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:13:19,218 INFO L87 Difference]: Start difference. First operand has 1972 states, 1178 states have (on average 1.2945670628183361) internal successors, (1525), 1238 states have internal predecessors, (1525), 648 states have call successors, (648), 143 states have call predecessors, (648), 142 states have return successors, (639), 628 states have call predecessors, (639), 639 states have call successors, (639) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-23 02:13:21,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:13:24,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:13:26,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:13:28,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:13:30,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:13:33,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:13:36,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:13:42,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:13:43,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []