./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:52:03,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:52:03,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:52:03,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:52:03,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:52:03,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:52:03,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:52:03,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:52:03,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:52:03,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:52:03,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:52:03,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:52:03,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:52:03,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:52:03,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:52:03,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:52:03,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:52:03,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:52:03,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:52:03,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:52:03,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:52:03,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:52:03,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:52:03,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:52:03,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:52:03,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:52:03,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:52:03,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:52:03,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:52:03,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:52:03,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:52:03,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:52:03,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:52:03,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:52:03,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:52:03,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:52:03,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:52:03,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:52:03,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:52:03,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:52:03,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:52:03,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:52:03,289 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:52:03,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:52:03,290 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:52:03,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:52:03,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:52:03,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:52:03,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:52:03,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:52:03,293 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:52:03,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:52:03,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:52:03,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:52:03,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:52:03,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:52:03,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:52:03,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:52:03,295 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:52:03,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:52:03,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:52:03,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:52:03,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:52:03,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:52:03,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:52:03,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:52:03,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:52:03,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:52:03,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:52:03,299 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:52:03,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:52:03,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:52:03,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:52:03,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2021-12-16 04:52:03,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:52:03,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:52:03,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:52:03,560 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:52:03,561 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:52:03,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2021-12-16 04:52:03,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0009ee8/3920bdb294eb42848cdc388d335566e1/FLAG5f8776e51 [2021-12-16 04:52:04,459 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:52:04,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2021-12-16 04:52:04,513 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0009ee8/3920bdb294eb42848cdc388d335566e1/FLAG5f8776e51 [2021-12-16 04:52:04,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0009ee8/3920bdb294eb42848cdc388d335566e1 [2021-12-16 04:52:04,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:52:04,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:52:04,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:52:04,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:52:04,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:52:04,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:52:04" (1/1) ... [2021-12-16 04:52:04,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281c81d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:04, skipping insertion in model container [2021-12-16 04:52:04,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:52:04" (1/1) ... [2021-12-16 04:52:04,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:52:04,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:52:08,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2021-12-16 04:52:08,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2021-12-16 04:52:08,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2021-12-16 04:52:08,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2021-12-16 04:52:08,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:52:08,830 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:52:09,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2021-12-16 04:52:09,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2021-12-16 04:52:09,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2021-12-16 04:52:09,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2021-12-16 04:52:09,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:52:09,417 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:52:09,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:09 WrapperNode [2021-12-16 04:52:09,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:52:09,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:52:09,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:52:09,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:52:09,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:09" (1/1) ... [2021-12-16 04:52:09,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:09" (1/1) ... [2021-12-16 04:52:09,744 INFO L137 Inliner]: procedures = 572, calls = 2923, calls flagged for inlining = 287, calls inlined = 255, statements flattened = 6555 [2021-12-16 04:52:09,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:52:09,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:52:09,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:52:09,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:52:09,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:09" (1/1) ... [2021-12-16 04:52:09,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:09" (1/1) ... [2021-12-16 04:52:09,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:09" (1/1) ... [2021-12-16 04:52:09,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:09" (1/1) ... [2021-12-16 04:52:09,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:09" (1/1) ... [2021-12-16 04:52:09,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:09" (1/1) ... [2021-12-16 04:52:10,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:09" (1/1) ... [2021-12-16 04:52:10,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:52:10,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:52:10,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:52:10,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:52:10,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:09" (1/1) ... [2021-12-16 04:52:10,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:52:10,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:52:10,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:52:10,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:52:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2021-12-16 04:52:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2021-12-16 04:52:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2021-12-16 04:52:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2021-12-16 04:52:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 04:52:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 04:52:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:52:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:52:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-16 04:52:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-16 04:52:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-16 04:52:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-16 04:52:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2021-12-16 04:52:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2021-12-16 04:52:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:52:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:52:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-16 04:52:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-16 04:52:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-12-16 04:52:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-12-16 04:52:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 04:52:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 04:52:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2021-12-16 04:52:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2021-12-16 04:52:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2021-12-16 04:52:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2021-12-16 04:52:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 04:52:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 04:52:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:52:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:52:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-16 04:52:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-16 04:52:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2021-12-16 04:52:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2021-12-16 04:52:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2021-12-16 04:52:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2021-12-16 04:52:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-16 04:52:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-16 04:52:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:52:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:52:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-16 04:52:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-16 04:52:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2021-12-16 04:52:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2021-12-16 04:52:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 04:52:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 04:52:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2021-12-16 04:52:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2021-12-16 04:52:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-16 04:52:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-16 04:52:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 04:52:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 04:52:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2021-12-16 04:52:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2021-12-16 04:52:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 04:52:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-16 04:52:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:52:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:52:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-16 04:52:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-16 04:52:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:52:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-16 04:52:10,126 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-16 04:52:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2021-12-16 04:52:10,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2021-12-16 04:52:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-12-16 04:52:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-12-16 04:52:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 04:52:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 04:52:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-16 04:52:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-16 04:52:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:52:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 04:52:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 04:52:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:52:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:52:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:52:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 04:52:10,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 04:52:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2021-12-16 04:52:10,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2021-12-16 04:52:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:52:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 04:52:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 04:52:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:52:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:52:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-16 04:52:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-16 04:52:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 04:52:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 04:52:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 04:52:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 04:52:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-16 04:52:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-16 04:52:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-16 04:52:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-16 04:52:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2021-12-16 04:52:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2021-12-16 04:52:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2021-12-16 04:52:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2021-12-16 04:52:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-16 04:52:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-16 04:52:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2021-12-16 04:52:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2021-12-16 04:52:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2021-12-16 04:52:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2021-12-16 04:52:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 04:52:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 04:52:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2021-12-16 04:52:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2021-12-16 04:52:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:52:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2021-12-16 04:52:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2021-12-16 04:52:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 04:52:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 04:52:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-16 04:52:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-16 04:52:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-16 04:52:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-16 04:52:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-12-16 04:52:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-12-16 04:52:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2021-12-16 04:52:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2021-12-16 04:52:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:52:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2021-12-16 04:52:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2021-12-16 04:52:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 04:52:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 04:52:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 04:52:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 04:52:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:52:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2021-12-16 04:52:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2021-12-16 04:52:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:52:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:52:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-12-16 04:52:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-12-16 04:52:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:52:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:52:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 04:52:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 04:52:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2021-12-16 04:52:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2021-12-16 04:52:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-16 04:52:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-16 04:52:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 04:52:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 04:52:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-16 04:52:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-16 04:52:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:52:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:52:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2021-12-16 04:52:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2021-12-16 04:52:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 04:52:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 04:52:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-16 04:52:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-16 04:52:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2021-12-16 04:52:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2021-12-16 04:52:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-16 04:52:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-16 04:52:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-16 04:52:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-16 04:52:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:52:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:52:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:52:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:52:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2021-12-16 04:52:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2021-12-16 04:52:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 04:52:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 04:52:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2021-12-16 04:52:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2021-12-16 04:52:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:52:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:52:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:52:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:52:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-16 04:52:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-16 04:52:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 04:52:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 04:52:10,186 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-16 04:52:10,186 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-16 04:52:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-12-16 04:52:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-12-16 04:52:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-16 04:52:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-16 04:52:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-16 04:52:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-16 04:52:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-16 04:52:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-16 04:52:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2021-12-16 04:52:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2021-12-16 04:52:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-16 04:52:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-16 04:52:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2021-12-16 04:52:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2021-12-16 04:52:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:52:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:52:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2021-12-16 04:52:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2021-12-16 04:52:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 04:52:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 04:52:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-16 04:52:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-16 04:52:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-16 04:52:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-16 04:52:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2021-12-16 04:52:10,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2021-12-16 04:52:10,188 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 04:52:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 04:52:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-16 04:52:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-16 04:52:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:52:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:52:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:52:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:52:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:52:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 04:52:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 04:52:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-16 04:52:10,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-16 04:52:10,189 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 04:52:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 04:52:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 04:52:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 04:52:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 04:52:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 04:52:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2021-12-16 04:52:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2021-12-16 04:52:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-16 04:52:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-16 04:52:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-16 04:52:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-16 04:52:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2021-12-16 04:52:10,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2021-12-16 04:52:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2021-12-16 04:52:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2021-12-16 04:52:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 04:52:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 04:52:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2021-12-16 04:52:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2021-12-16 04:52:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2021-12-16 04:52:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2021-12-16 04:52:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-16 04:52:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-16 04:52:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:52:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:52:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2021-12-16 04:52:10,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2021-12-16 04:52:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-16 04:52:10,194 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-16 04:52:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:52:10,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:52:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2021-12-16 04:52:10,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2021-12-16 04:52:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:52:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:52:10,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:52:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2021-12-16 04:52:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2021-12-16 04:52:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-12-16 04:52:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-12-16 04:52:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 04:52:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 04:52:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2021-12-16 04:52:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2021-12-16 04:52:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-16 04:52:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-16 04:52:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2021-12-16 04:52:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2021-12-16 04:52:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2021-12-16 04:52:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2021-12-16 04:52:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 04:52:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 04:52:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-16 04:52:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-16 04:52:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-16 04:52:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-16 04:52:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-16 04:52:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-16 04:52:10,198 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-16 04:52:10,198 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-16 04:52:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-16 04:52:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:52:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-12-16 04:52:10,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-12-16 04:52:10,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 04:52:10,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 04:52:11,054 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:52:11,058 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:52:11,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:52:14,553 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 04:52:14,632 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:52:14,657 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:52:14,658 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:52:14,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:52:14 BoogieIcfgContainer [2021-12-16 04:52:14,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:52:14,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:52:14,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:52:14,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:52:14,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:52:04" (1/3) ... [2021-12-16 04:52:14,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754537be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:52:14, skipping insertion in model container [2021-12-16 04:52:14,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:09" (2/3) ... [2021-12-16 04:52:14,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754537be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:52:14, skipping insertion in model container [2021-12-16 04:52:14,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:52:14" (3/3) ... [2021-12-16 04:52:14,670 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2021-12-16 04:52:14,679 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:52:14,679 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-16 04:52:14,729 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:52:14,746 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=PETRI_NET, 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 [2021-12-16 04:52:14,747 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-16 04:52:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 2500 states, 1648 states have (on average 1.258495145631068) internal successors, (2074), 1699 states have internal predecessors, (2074), 714 states have call successors, (714), 136 states have call predecessors, (714), 135 states have return successors, (709), 694 states have call predecessors, (709), 709 states have call successors, (709) [2021-12-16 04:52:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-16 04:52:14,818 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:52:14,819 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:52:14,820 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)] === [2021-12-16 04:52:14,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:52:14,828 INFO L85 PathProgramCache]: Analyzing trace with hash 99291340, now seen corresponding path program 1 times [2021-12-16 04:52:14,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:52:14,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126809443] [2021-12-16 04:52:14,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:52:14,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:52:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:52:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:52:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:52:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:52:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:52:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:52:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:52:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:52:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-16 04:52:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:52:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-16 04:52:15,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:52:15,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126809443] [2021-12-16 04:52:15,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126809443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:52:15,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:52:15,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:52:15,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082188022] [2021-12-16 04:52:15,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:52:15,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:52:15,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:52:15,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:52:15,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:52:15,734 INFO L87 Difference]: Start difference. First operand has 2500 states, 1648 states have (on average 1.258495145631068) internal successors, (2074), 1699 states have internal predecessors, (2074), 714 states have call successors, (714), 136 states have call predecessors, (714), 135 states have return successors, (709), 694 states have call predecessors, (709), 709 states have call successors, (709) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-16 04:52:22,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:52:22,813 INFO L93 Difference]: Finished difference Result 8287 states and 11980 transitions. [2021-12-16 04:52:22,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:52:22,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2021-12-16 04:52:22,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:52:22,878 INFO L225 Difference]: With dead ends: 8287 [2021-12-16 04:52:22,878 INFO L226 Difference]: Without dead ends: 5798 [2021-12-16 04:52:22,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:52:22,904 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 5197 mSDsluCounter, 3671 mSDsCounter, 0 mSdLazyCounter, 2932 mSolverCounterSat, 2858 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5987 SdHoareTripleChecker+Valid, 7348 SdHoareTripleChecker+Invalid, 5790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2858 IncrementalHoareTripleChecker+Valid, 2932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-16 04:52:22,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5987 Valid, 7348 Invalid, 5790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2858 Valid, 2932 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-12-16 04:52:22,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5798 states. [2021-12-16 04:52:23,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5798 to 4890. [2021-12-16 04:52:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4890 states, 3236 states have (on average 1.2533992583436342) internal successors, (4056), 3336 states have internal predecessors, (4056), 1384 states have call successors, (1384), 268 states have call predecessors, (1384), 267 states have return successors, (1381), 1351 states have call predecessors, (1381), 1381 states have call successors, (1381) [2021-12-16 04:52:23,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4890 states to 4890 states and 6821 transitions. [2021-12-16 04:52:23,274 INFO L78 Accepts]: Start accepts. Automaton has 4890 states and 6821 transitions. Word has length 112 [2021-12-16 04:52:23,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:52:23,276 INFO L470 AbstractCegarLoop]: Abstraction has 4890 states and 6821 transitions. [2021-12-16 04:52:23,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-16 04:52:23,276 INFO L276 IsEmpty]: Start isEmpty. Operand 4890 states and 6821 transitions. [2021-12-16 04:52:23,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-16 04:52:23,282 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:52:23,282 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:52:23,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:52:23,283 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:52:23,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:52:23,284 INFO L85 PathProgramCache]: Analyzing trace with hash 264932796, now seen corresponding path program 1 times [2021-12-16 04:52:23,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:52:23,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660334301] [2021-12-16 04:52:23,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:52:23,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:52:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:52:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:52:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:52:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:52:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:52:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:52:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:52:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:52:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-16 04:52:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-16 04:52:23,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:52:23,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660334301] [2021-12-16 04:52:23,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660334301] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:52:23,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:52:23,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:52:23,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704111984] [2021-12-16 04:52:23,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:52:23,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:52:23,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:52:23,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:52:23,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:52:23,583 INFO L87 Difference]: Start difference. First operand 4890 states and 6821 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-16 04:52:28,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:52:28,193 INFO L93 Difference]: Finished difference Result 9525 states and 13239 transitions. [2021-12-16 04:52:28,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:52:28,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 117 [2021-12-16 04:52:28,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:52:28,225 INFO L225 Difference]: With dead ends: 9525 [2021-12-16 04:52:28,226 INFO L226 Difference]: Without dead ends: 4656 [2021-12-16 04:52:28,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:52:28,246 INFO L933 BasicCegarLoop]: 3396 mSDtfsCounter, 2276 mSDsluCounter, 3630 mSDsCounter, 0 mSdLazyCounter, 2367 mSolverCounterSat, 1393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2756 SdHoareTripleChecker+Valid, 7026 SdHoareTripleChecker+Invalid, 3760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1393 IncrementalHoareTripleChecker+Valid, 2367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:52:28,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2756 Valid, 7026 Invalid, 3760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1393 Valid, 2367 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-16 04:52:28,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4656 states. [2021-12-16 04:52:28,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4656 to 4166. [2021-12-16 04:52:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4166 states, 2791 states have (on average 1.2393407380867072) internal successors, (3459), 2858 states have internal predecessors, (3459), 1102 states have call successors, (1102), 271 states have call predecessors, (1102), 270 states have return successors, (1099), 1081 states have call predecessors, (1099), 1099 states have call successors, (1099) [2021-12-16 04:52:28,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 5660 transitions. [2021-12-16 04:52:28,404 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 5660 transitions. Word has length 117 [2021-12-16 04:52:28,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:52:28,406 INFO L470 AbstractCegarLoop]: Abstraction has 4166 states and 5660 transitions. [2021-12-16 04:52:28,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-16 04:52:28,406 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 5660 transitions. [2021-12-16 04:52:28,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-16 04:52:28,412 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:52:28,412 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:52:28,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:52:28,413 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:52:28,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:52:28,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1281227428, now seen corresponding path program 1 times [2021-12-16 04:52:28,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:52:28,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552143106] [2021-12-16 04:52:28,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:52:28,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:52:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:52:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:52:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:52:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:52:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:52:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:52:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:52:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:52:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-16 04:52:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-16 04:52:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-16 04:52:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:28,776 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-16 04:52:28,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:52:28,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552143106] [2021-12-16 04:52:28,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552143106] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:52:28,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:52:28,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:52:28,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847823037] [2021-12-16 04:52:28,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:52:28,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:52:28,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:52:28,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:52:28,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:52:28,781 INFO L87 Difference]: Start difference. First operand 4166 states and 5660 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-16 04:52:35,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:52:35,115 INFO L93 Difference]: Finished difference Result 12109 states and 16677 transitions. [2021-12-16 04:52:35,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:52:35,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 120 [2021-12-16 04:52:35,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:52:35,164 INFO L225 Difference]: With dead ends: 12109 [2021-12-16 04:52:35,165 INFO L226 Difference]: Without dead ends: 7964 [2021-12-16 04:52:35,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:52:35,191 INFO L933 BasicCegarLoop]: 3974 mSDtfsCounter, 4882 mSDsluCounter, 3691 mSDsCounter, 0 mSdLazyCounter, 2739 mSolverCounterSat, 2731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5608 SdHoareTripleChecker+Valid, 7665 SdHoareTripleChecker+Invalid, 5470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2731 IncrementalHoareTripleChecker+Valid, 2739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-16 04:52:35,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5608 Valid, 7665 Invalid, 5470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2731 Valid, 2739 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-16 04:52:35,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2021-12-16 04:52:35,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 7065. [2021-12-16 04:52:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7065 states, 4743 states have (on average 1.2426734134514021) internal successors, (5894), 4865 states have internal predecessors, (5894), 1859 states have call successors, (1859), 465 states have call predecessors, (1859), 460 states have return successors, (1875), 1811 states have call predecessors, (1875), 1856 states have call successors, (1875) [2021-12-16 04:52:35,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7065 states to 7065 states and 9628 transitions. [2021-12-16 04:52:35,485 INFO L78 Accepts]: Start accepts. Automaton has 7065 states and 9628 transitions. Word has length 120 [2021-12-16 04:52:35,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:52:35,486 INFO L470 AbstractCegarLoop]: Abstraction has 7065 states and 9628 transitions. [2021-12-16 04:52:35,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-16 04:52:35,487 INFO L276 IsEmpty]: Start isEmpty. Operand 7065 states and 9628 transitions. [2021-12-16 04:52:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-16 04:52:35,490 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:52:35,490 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:52:35,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:52:35,491 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:52:35,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:52:35,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1222009648, now seen corresponding path program 1 times [2021-12-16 04:52:35,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:52:35,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602363221] [2021-12-16 04:52:35,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:52:35,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:52:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:52:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:52:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:52:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:52:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:52:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:52:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:52:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:52:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-16 04:52:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-16 04:52:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 04:52:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:52:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-16 04:52:35,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:52:35,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602363221] [2021-12-16 04:52:35,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602363221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:52:35,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:52:35,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:52:35,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42812057] [2021-12-16 04:52:35,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:52:35,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:52:35,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:52:35,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:52:35,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:52:35,845 INFO L87 Difference]: Start difference. First operand 7065 states and 9628 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-16 04:52:48,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:52:48,582 INFO L93 Difference]: Finished difference Result 22117 states and 32258 transitions. [2021-12-16 04:52:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 04:52:48,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 135 [2021-12-16 04:52:48,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:52:48,706 INFO L225 Difference]: With dead ends: 22117 [2021-12-16 04:52:48,706 INFO L226 Difference]: Without dead ends: 15073 [2021-12-16 04:52:48,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:52:48,751 INFO L933 BasicCegarLoop]: 3729 mSDtfsCounter, 7607 mSDsluCounter, 4897 mSDsCounter, 0 mSdLazyCounter, 5975 mSolverCounterSat, 6581 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8335 SdHoareTripleChecker+Valid, 8626 SdHoareTripleChecker+Invalid, 12556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6581 IncrementalHoareTripleChecker+Valid, 5975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:52:48,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8335 Valid, 8626 Invalid, 12556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6581 Valid, 5975 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2021-12-16 04:52:48,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15073 states. [2021-12-16 04:52:49,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15073 to 11498. [2021-12-16 04:52:49,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11498 states, 7646 states have (on average 1.2427413026419043) internal successors, (9502), 7893 states have internal predecessors, (9502), 3141 states have call successors, (3141), 701 states have call predecessors, (3141), 708 states have return successors, (3237), 3052 states have call predecessors, (3237), 3138 states have call successors, (3237) [2021-12-16 04:52:49,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11498 states to 11498 states and 15880 transitions. [2021-12-16 04:52:49,452 INFO L78 Accepts]: Start accepts. Automaton has 11498 states and 15880 transitions. Word has length 135 [2021-12-16 04:52:49,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:52:49,453 INFO L470 AbstractCegarLoop]: Abstraction has 11498 states and 15880 transitions. [2021-12-16 04:52:49,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-16 04:52:49,454 INFO L276 IsEmpty]: Start isEmpty. Operand 11498 states and 15880 transitions. [2021-12-16 04:52:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-16 04:52:49,456 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:52:49,456 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2021-12-16 04:52:49,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 04:52:49,457 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:52:49,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:52:49,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1610791070, now seen corresponding path program 1 times [2021-12-16 04:52:49,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:52:49,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499053193] [2021-12-16 04:52:49,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:52:49,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:52:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:52:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:52:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:52:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:52:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:52:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:52:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:52:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:52:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-16 04:52:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 04:52:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 04:52:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 04:52:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 04:52:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:52:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 04:52:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-16 04:52:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 04:52:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:52:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-12-16 04:52:49,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:52:49,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499053193] [2021-12-16 04:52:49,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499053193] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:52:49,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:52:49,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:52:49,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224821739] [2021-12-16 04:52:49,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:52:49,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:52:49,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:52:49,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:52:49,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:52:49,925 INFO L87 Difference]: Start difference. First operand 11498 states and 15880 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-16 04:52:55,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:52:55,112 INFO L93 Difference]: Finished difference Result 12559 states and 17560 transitions. [2021-12-16 04:52:55,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:52:55,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 164 [2021-12-16 04:52:55,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:52:55,182 INFO L225 Difference]: With dead ends: 12559 [2021-12-16 04:52:55,182 INFO L226 Difference]: Without dead ends: 12557 [2021-12-16 04:52:55,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:52:55,197 INFO L933 BasicCegarLoop]: 3204 mSDtfsCounter, 4061 mSDsluCounter, 6186 mSDsCounter, 0 mSdLazyCounter, 3199 mSolverCounterSat, 2042 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4483 SdHoareTripleChecker+Valid, 9390 SdHoareTripleChecker+Invalid, 5241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2042 IncrementalHoareTripleChecker+Valid, 3199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-16 04:52:55,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4483 Valid, 9390 Invalid, 5241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2042 Valid, 3199 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-16 04:52:55,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12557 states.