./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:37:46,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:37:46,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:37:46,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:37:46,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:37:46,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:37:46,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:37:46,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:37:46,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:37:46,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:37:46,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:37:46,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:37:46,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:37:46,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:37:46,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:37:46,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:37:46,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:37:46,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:37:46,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:37:46,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:37:46,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:37:46,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:37:46,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:37:46,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:37:46,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:37:46,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:37:46,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:37:46,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:37:46,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:37:46,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:37:46,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:37:46,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:37:46,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:37:46,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:37:46,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:37:46,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:37:46,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:37:46,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:37:46,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:37:46,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:37:46,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:37:46,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:37:46,227 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:37:46,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:37:46,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:37:46,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:37:46,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:37:46,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:37:46,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:37:46,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:37:46,236 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:37:46,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:37:46,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:37:46,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:37:46,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:37:46,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:37:46,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:37:46,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:37:46,238 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:37:46,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:37:46,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:37:46,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:37:46,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:37:46,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:37:46,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:37:46,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:37:46,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:37:46,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:37:46,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:37:46,241 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:37:46,241 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:37:46,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:37:46,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:37:46,242 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2021-12-14 18:37:46,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:37:46,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:37:46,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:37:46,509 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:37:46,510 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:37:46,511 INFO L432 ainManager$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 [2021-12-14 18:37:46,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332afdc66/5820cab393cb4ecf902030e2e1db2734/FLAG86c8cb522 [2021-12-14 18:37:47,360 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:37:47,361 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 [2021-12-14 18:37:47,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332afdc66/5820cab393cb4ecf902030e2e1db2734/FLAG86c8cb522 [2021-12-14 18:37:47,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332afdc66/5820cab393cb4ecf902030e2e1db2734 [2021-12-14 18:37:47,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:37:47,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:37:47,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:37:47,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:37:47,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:37:47,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:37:47" (1/1) ... [2021-12-14 18:37:47,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c59ed39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:47, skipping insertion in model container [2021-12-14 18:37:47,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:37:47" (1/1) ... [2021-12-14 18:37:47,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:37:48,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:37:51,314 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] [2021-12-14 18:37:51,317 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] [2021-12-14 18:37:51,318 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] [2021-12-14 18:37:51,318 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] [2021-12-14 18:37:51,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:37:51,406 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:37:51,745 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] [2021-12-14 18:37:51,746 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] [2021-12-14 18:37:51,747 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] [2021-12-14 18:37:51,747 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] [2021-12-14 18:37:51,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:37:51,971 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:37:51,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:51 WrapperNode [2021-12-14 18:37:51,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:37:51,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:37:51,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:37:51,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:37:51,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:51" (1/1) ... [2021-12-14 18:37:52,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:51" (1/1) ... [2021-12-14 18:37:52,308 INFO L137 Inliner]: procedures = 572, calls = 2923, calls flagged for inlining = 287, calls inlined = 255, statements flattened = 6555 [2021-12-14 18:37:52,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:37:52,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:37:52,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:37:52,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:37:52,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:51" (1/1) ... [2021-12-14 18:37:52,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:51" (1/1) ... [2021-12-14 18:37:52,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:51" (1/1) ... [2021-12-14 18:37:52,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:51" (1/1) ... [2021-12-14 18:37:52,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:51" (1/1) ... [2021-12-14 18:37:52,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:51" (1/1) ... [2021-12-14 18:37:52,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:51" (1/1) ... [2021-12-14 18:37:52,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:37:52,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:37:52,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:37:52,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:37:52,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:51" (1/1) ... [2021-12-14 18:37:52,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:37:52,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:37:52,607 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) [2021-12-14 18:37:52,629 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 [2021-12-14 18:37:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2021-12-14 18:37:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2021-12-14 18:37:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2021-12-14 18:37:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2021-12-14 18:37:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:37:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:37:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:37:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:37:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 18:37:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 18:37:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-14 18:37:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-14 18:37:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2021-12-14 18:37:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2021-12-14 18:37:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:37:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:37:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 18:37:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 18:37:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-12-14 18:37:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-12-14 18:37:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:37:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:37:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2021-12-14 18:37:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2021-12-14 18:37:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2021-12-14 18:37:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2021-12-14 18:37:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:37:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:37:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:37:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:37:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-14 18:37:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-14 18:37:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2021-12-14 18:37:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2021-12-14 18:37:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2021-12-14 18:37:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2021-12-14 18:37:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:37:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:37:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:37:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:37:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-14 18:37:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-14 18:37:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2021-12-14 18:37:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2021-12-14 18:37:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:37:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:37:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2021-12-14 18:37:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2021-12-14 18:37:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:37:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:37:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 18:37:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 18:37:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2021-12-14 18:37:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2021-12-14 18:37:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:37:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:37:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:37:52,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:37:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:37:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:37:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:37:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:37:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:37:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2021-12-14 18:37:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2021-12-14 18:37:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-12-14 18:37:52,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-12-14 18:37:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:37:52,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:37:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-14 18:37:52,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-14 18:37:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:37:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:37:52,652 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:37:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:37:52,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:37:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:37:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:37:52,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:37:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2021-12-14 18:37:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2021-12-14 18:37:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:37:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:37:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:37:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:37:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:37:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:37:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:37:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:37:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:37:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:37:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:37:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-14 18:37:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-14 18:37:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-14 18:37:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-14 18:37:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2021-12-14 18:37:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2021-12-14 18:37:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2021-12-14 18:37:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2021-12-14 18:37:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:37:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:37:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2021-12-14 18:37:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2021-12-14 18:37:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2021-12-14 18:37:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2021-12-14 18:37:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:37:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:37:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2021-12-14 18:37:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2021-12-14 18:37:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:37:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2021-12-14 18:37:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2021-12-14 18:37:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:37:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:37:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:37:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:37:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-14 18:37:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-14 18:37:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-12-14 18:37:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-12-14 18:37:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2021-12-14 18:37:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2021-12-14 18:37:52,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:37:52,659 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2021-12-14 18:37:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2021-12-14 18:37:52,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:37:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:37:52,659 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:37:52,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:37:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:37:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2021-12-14 18:37:52,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2021-12-14 18:37:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:37:52,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:37:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-12-14 18:37:52,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-12-14 18:37:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:37:52,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:37:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:37:52,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:37:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2021-12-14 18:37:52,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2021-12-14 18:37:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:37:52,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:37:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:37:52,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:37:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 18:37:52,662 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 18:37:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:37:52,662 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:37:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2021-12-14 18:37:52,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2021-12-14 18:37:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:37:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:37:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-14 18:37:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-14 18:37:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2021-12-14 18:37:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2021-12-14 18:37:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-14 18:37:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-14 18:37:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 18:37:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 18:37:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:37:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:37:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:37:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:37:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2021-12-14 18:37:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2021-12-14 18:37:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:37:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:37:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2021-12-14 18:37:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2021-12-14 18:37:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:37:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:37:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:37:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:37:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:37:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:37:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:37:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:37:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:37:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:37:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-12-14 18:37:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-12-14 18:37:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-14 18:37:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-14 18:37:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 18:37:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 18:37:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:37:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:37:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2021-12-14 18:37:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2021-12-14 18:37:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:37:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:37:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2021-12-14 18:37:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2021-12-14 18:37:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:37:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:37:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2021-12-14 18:37:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2021-12-14 18:37:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:37:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:37:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-14 18:37:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-14 18:37:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-14 18:37:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-14 18:37:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2021-12-14 18:37:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2021-12-14 18:37:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:37:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:37:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-14 18:37:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-14 18:37:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:37:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:37:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:37:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:37:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:37:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:37:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:37:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 18:37:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 18:37:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:37:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:37:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:37:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:37:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:37:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:37:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2021-12-14 18:37:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2021-12-14 18:37:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-14 18:37:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-14 18:37:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 18:37:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 18:37:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2021-12-14 18:37:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2021-12-14 18:37:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2021-12-14 18:37:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2021-12-14 18:37:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:37:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:37:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2021-12-14 18:37:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2021-12-14 18:37:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2021-12-14 18:37:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2021-12-14 18:37:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-14 18:37:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-14 18:37:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:37:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:37:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2021-12-14 18:37:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2021-12-14 18:37:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-14 18:37:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-14 18:37:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:37:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:37:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2021-12-14 18:37:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2021-12-14 18:37:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:37:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:37:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:37:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2021-12-14 18:37:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2021-12-14 18:37:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-12-14 18:37:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-12-14 18:37:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:37:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:37:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2021-12-14 18:37:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2021-12-14 18:37:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-14 18:37:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-14 18:37:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2021-12-14 18:37:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2021-12-14 18:37:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2021-12-14 18:37:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2021-12-14 18:37:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:37:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:37:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:37:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:37:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-14 18:37:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-14 18:37:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-14 18:37:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-14 18:37:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:37:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:37:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-14 18:37:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:37:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-12-14 18:37:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-12-14 18:37:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:37:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:37:53,634 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:37:53,643 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:37:53,819 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:37:57,209 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:37:57,272 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:37:57,290 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:37:57,290 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:37:57,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:37:57 BoogieIcfgContainer [2021-12-14 18:37:57,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:37:57,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:37:57,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:37:57,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:37:57,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:37:47" (1/3) ... [2021-12-14 18:37:57,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cd76b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:37:57, skipping insertion in model container [2021-12-14 18:37:57,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:51" (2/3) ... [2021-12-14 18:37:57,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cd76b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:37:57, skipping insertion in model container [2021-12-14 18:37:57,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:37:57" (3/3) ... [2021-12-14 18:37:57,304 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2021-12-14 18:37:57,308 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:37:57,308 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:37:57,386 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:37:57,391 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 [2021-12-14 18:37:57,391 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:37:57,446 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) [2021-12-14 18:37:57,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-14 18:37:57,456 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:37:57,456 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] [2021-12-14 18:37:57,457 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)] === [2021-12-14 18:37:57,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:37:57,461 INFO L85 PathProgramCache]: Analyzing trace with hash 99291340, now seen corresponding path program 1 times [2021-12-14 18:37:57,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:37:57,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296279448] [2021-12-14 18:37:57,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:37:57,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:37:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:37:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:37:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:37:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:37:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:37:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:37:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:37:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:37:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:37:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:37:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-14 18:37:58,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:37:58,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296279448] [2021-12-14 18:37:58,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296279448] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:37:58,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:37:58,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:37:58,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741335587] [2021-12-14 18:37:58,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:37:58,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:37:58,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:37:58,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:37:58,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:37:58,241 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) [2021-12-14 18:38:05,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:05,307 INFO L93 Difference]: Finished difference Result 8287 states and 11980 transitions. [2021-12-14 18:38:05,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:38:05,310 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 [2021-12-14 18:38:05,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:05,370 INFO L225 Difference]: With dead ends: 8287 [2021-12-14 18:38:05,370 INFO L226 Difference]: Without dead ends: 5798 [2021-12-14 18:38:05,392 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 [2021-12-14 18:38:05,398 INFO L933 BasicCegarLoop]: 3678 mSDtfsCounter, 5197 mSDsluCounter, 3676 mSDsCounter, 0 mSdLazyCounter, 2932 mSolverCounterSat, 2858 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5987 SdHoareTripleChecker+Valid, 7354 SdHoareTripleChecker+Invalid, 5790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2858 IncrementalHoareTripleChecker+Valid, 2932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:05,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5987 Valid, 7354 Invalid, 5790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2858 Valid, 2932 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-14 18:38:05,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5798 states. [2021-12-14 18:38:05,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5798 to 4890. [2021-12-14 18:38:05,698 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) [2021-12-14 18:38:05,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4890 states to 4890 states and 6821 transitions. [2021-12-14 18:38:05,741 INFO L78 Accepts]: Start accepts. Automaton has 4890 states and 6821 transitions. Word has length 112 [2021-12-14 18:38:05,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:05,742 INFO L470 AbstractCegarLoop]: Abstraction has 4890 states and 6821 transitions. [2021-12-14 18:38:05,742 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) [2021-12-14 18:38:05,742 INFO L276 IsEmpty]: Start isEmpty. Operand 4890 states and 6821 transitions. [2021-12-14 18:38:05,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-14 18:38:05,746 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:05,747 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] [2021-12-14 18:38:05,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:38:05,747 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)] === [2021-12-14 18:38:05,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:05,748 INFO L85 PathProgramCache]: Analyzing trace with hash 264932796, now seen corresponding path program 1 times [2021-12-14 18:38:05,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:05,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608238546] [2021-12-14 18:38:05,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:05,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:06,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:06,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:06,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:38:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-14 18:38:06,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:06,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608238546] [2021-12-14 18:38:06,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608238546] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:06,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:06,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:38:06,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479205017] [2021-12-14 18:38:06,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:06,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:38:06,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:06,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:38:06,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:38:06,097 INFO L87 Difference]: Start difference. First operand 4890 states and 6821 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 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) [2021-12-14 18:38:15,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:15,963 INFO L93 Difference]: Finished difference Result 11607 states and 16141 transitions. [2021-12-14 18:38:15,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:38:15,964 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 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 [2021-12-14 18:38:15,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:16,007 INFO L225 Difference]: With dead ends: 11607 [2021-12-14 18:38:16,008 INFO L226 Difference]: Without dead ends: 6738 [2021-12-14 18:38:16,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:38:16,030 INFO L933 BasicCegarLoop]: 4043 mSDtfsCounter, 9640 mSDsluCounter, 6252 mSDsCounter, 0 mSdLazyCounter, 7226 mSolverCounterSat, 5890 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10618 SdHoareTripleChecker+Valid, 10295 SdHoareTripleChecker+Invalid, 13116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5890 IncrementalHoareTripleChecker+Valid, 7226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:16,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10618 Valid, 10295 Invalid, 13116 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5890 Valid, 7226 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2021-12-14 18:38:16,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6738 states. [2021-12-14 18:38:16,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6738 to 5900. [2021-12-14 18:38:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5900 states, 3936 states have (on average 1.2398373983739837) internal successors, (4880), 4036 states have internal predecessors, (4880), 1581 states have call successors, (1581), 381 states have call predecessors, (1581), 380 states have return successors, (1578), 1554 states have call predecessors, (1578), 1578 states have call successors, (1578) [2021-12-14 18:38:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5900 states to 5900 states and 8039 transitions. [2021-12-14 18:38:16,296 INFO L78 Accepts]: Start accepts. Automaton has 5900 states and 8039 transitions. Word has length 117 [2021-12-14 18:38:16,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:16,297 INFO L470 AbstractCegarLoop]: Abstraction has 5900 states and 8039 transitions. [2021-12-14 18:38:16,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 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) [2021-12-14 18:38:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 5900 states and 8039 transitions. [2021-12-14 18:38:16,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-14 18:38:16,302 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:16,303 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] [2021-12-14 18:38:16,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:38:16,303 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)] === [2021-12-14 18:38:16,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:16,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1281227428, now seen corresponding path program 1 times [2021-12-14 18:38:16,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:16,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478463218] [2021-12-14 18:38:16,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:16,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:38:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:38:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 18:38:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,619 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-14 18:38:16,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:16,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478463218] [2021-12-14 18:38:16,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478463218] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:16,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:16,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:38:16,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770002782] [2021-12-14 18:38:16,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:16,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:38:16,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:16,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:38:16,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:38:16,625 INFO L87 Difference]: Start difference. First operand 5900 states and 8039 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) [2021-12-14 18:38:22,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:22,503 INFO L93 Difference]: Finished difference Result 17328 states and 23904 transitions. [2021-12-14 18:38:22,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:38:22,504 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 [2021-12-14 18:38:22,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:22,579 INFO L225 Difference]: With dead ends: 17328 [2021-12-14 18:38:22,579 INFO L226 Difference]: Without dead ends: 11449 [2021-12-14 18:38:22,666 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 [2021-12-14 18:38:22,670 INFO L933 BasicCegarLoop]: 3958 mSDtfsCounter, 4885 mSDsluCounter, 3668 mSDsCounter, 0 mSdLazyCounter, 2741 mSolverCounterSat, 2736 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5612 SdHoareTripleChecker+Valid, 7626 SdHoareTripleChecker+Invalid, 5477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2736 IncrementalHoareTripleChecker+Valid, 2741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:22,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5612 Valid, 7626 Invalid, 5477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2736 Valid, 2741 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-14 18:38:22,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11449 states. [2021-12-14 18:38:23,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11449 to 10062. [2021-12-14 18:38:23,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10062 states, 6714 states have (on average 1.241733690795353) internal successors, (8337), 6893 states have internal predecessors, (8337), 2689 states have call successors, (2689), 664 states have call predecessors, (2689), 656 states have return successors, (2705), 2625 states have call predecessors, (2705), 2686 states have call successors, (2705) [2021-12-14 18:38:23,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10062 states to 10062 states and 13731 transitions. [2021-12-14 18:38:23,119 INFO L78 Accepts]: Start accepts. Automaton has 10062 states and 13731 transitions. Word has length 120 [2021-12-14 18:38:23,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:23,119 INFO L470 AbstractCegarLoop]: Abstraction has 10062 states and 13731 transitions. [2021-12-14 18:38:23,120 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) [2021-12-14 18:38:23,120 INFO L276 IsEmpty]: Start isEmpty. Operand 10062 states and 13731 transitions. [2021-12-14 18:38:23,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-14 18:38:23,124 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:23,124 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] [2021-12-14 18:38:23,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:38:23,124 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)] === [2021-12-14 18:38:23,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:23,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1222009648, now seen corresponding path program 1 times [2021-12-14 18:38:23,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:23,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997087719] [2021-12-14 18:38:23,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:23,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:38:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-14 18:38:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 18:38:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:38:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:23,412 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-14 18:38:23,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:23,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997087719] [2021-12-14 18:38:23,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997087719] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:23,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:23,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:38:23,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146340622] [2021-12-14 18:38:23,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:23,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:38:23,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:23,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:38:23,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:38:23,417 INFO L87 Difference]: Start difference. First operand 10062 states and 13731 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) [2021-12-14 18:38:35,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:35,911 INFO L93 Difference]: Finished difference Result 32340 states and 47317 transitions. [2021-12-14 18:38:35,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:38:35,911 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 [2021-12-14 18:38:35,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:36,061 INFO L225 Difference]: With dead ends: 32340 [2021-12-14 18:38:36,061 INFO L226 Difference]: Without dead ends: 22299 [2021-12-14 18:38:36,107 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 [2021-12-14 18:38:36,108 INFO L933 BasicCegarLoop]: 3683 mSDtfsCounter, 7620 mSDsluCounter, 4869 mSDsCounter, 0 mSdLazyCounter, 5943 mSolverCounterSat, 6638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8356 SdHoareTripleChecker+Valid, 8552 SdHoareTripleChecker+Invalid, 12581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6638 IncrementalHoareTripleChecker+Valid, 5943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:36,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8356 Valid, 8552 Invalid, 12581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6638 Valid, 5943 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2021-12-14 18:38:36,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22299 states. [2021-12-14 18:38:36,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22299 to 16524. [2021-12-14 18:38:36,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16524 states, 10901 states have (on average 1.2397945142647464) internal successors, (13515), 11258 states have internal predecessors, (13515), 4570 states have call successors, (4570), 1055 states have call predecessors, (4570), 1050 states have return successors, (4647), 4446 states have call predecessors, (4647), 4567 states have call successors, (4647) [2021-12-14 18:38:37,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16524 states to 16524 states and 22732 transitions. [2021-12-14 18:38:37,056 INFO L78 Accepts]: Start accepts. Automaton has 16524 states and 22732 transitions. Word has length 135 [2021-12-14 18:38:37,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:37,058 INFO L470 AbstractCegarLoop]: Abstraction has 16524 states and 22732 transitions. [2021-12-14 18:38:37,058 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) [2021-12-14 18:38:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 16524 states and 22732 transitions. [2021-12-14 18:38:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-14 18:38:37,060 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:37,060 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] [2021-12-14 18:38:37,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:38:37,061 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)] === [2021-12-14 18:38:37,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:37,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1610791070, now seen corresponding path program 1 times [2021-12-14 18:38:37,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:37,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142893484] [2021-12-14 18:38:37,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:37,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:38:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 18:38:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:38:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:38:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:38:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-14 18:38:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-14 18:38:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-14 18:38:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-12-14 18:38:37,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:37,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142893484] [2021-12-14 18:38:37,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142893484] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:37,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:37,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:38:37,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024739102] [2021-12-14 18:38:37,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:37,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:38:37,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:37,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:38:37,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:38:37,453 INFO L87 Difference]: Start difference. First operand 16524 states and 22732 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)