./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-mutex_drivers-net-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-mutex_drivers-net-wireless-prism54-prism54.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 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:46:15,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:46:15,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:46:15,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:46:15,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:46:15,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:46:15,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:46:15,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:46:15,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:46:15,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:46:15,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:46:15,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:46:15,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:46:15,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:46:15,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:46:15,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:46:15,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:46:15,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:46:15,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:46:15,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:46:15,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:46:15,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:46:15,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:46:15,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:46:15,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:46:15,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:46:15,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:46:15,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:46:15,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:46:15,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:46:15,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:46:15,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:46:15,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:46:15,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:46:15,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:46:15,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:46:15,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:46:15,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:46:15,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:46:15,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:46:15,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:46:15,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:46:15,834 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:46:15,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:46:15,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:46:15,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:46:15,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:46:15,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:46:15,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:46:15,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:46:15,837 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:46:15,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:46:15,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:46:15,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:46:15,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:46:15,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:46:15,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:46:15,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:46:15,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:46:15,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:46:15,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:46:15,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:46:15,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:46:15,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:46:15,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:46:15,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:46:15,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:46:15,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:46:15,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:46:15,847 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:46:15,847 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:46:15,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:46:15,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2021-12-28 04:46:16,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:46:16,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:46:16,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:46:16,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:46:16,114 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:46:16,115 INFO L432 ainManager$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-mutex_drivers-net-wireless-prism54-prism54.cil.i [2021-12-28 04:46:16,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77b56213d/8db749a200f64dcbbd035f1cfbf96247/FLAG0adfc7d56 [2021-12-28 04:46:16,871 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:46:16,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2021-12-28 04:46:16,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77b56213d/8db749a200f64dcbbd035f1cfbf96247/FLAG0adfc7d56 [2021-12-28 04:46:17,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77b56213d/8db749a200f64dcbbd035f1cfbf96247 [2021-12-28 04:46:17,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:46:17,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:46:17,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:46:17,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:46:17,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:46:17,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:46:17" (1/1) ... [2021-12-28 04:46:17,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62dd6763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:17, skipping insertion in model container [2021-12-28 04:46:17,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:46:17" (1/1) ... [2021-12-28 04:46:17,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:46:17,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:46:20,737 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2021-12-28 04:46:20,740 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2021-12-28 04:46:20,740 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2021-12-28 04:46:20,741 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2021-12-28 04:46:20,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:46:20,860 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:46:21,264 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2021-12-28 04:46:21,265 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2021-12-28 04:46:21,266 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2021-12-28 04:46:21,266 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2021-12-28 04:46:21,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:46:21,557 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:46:21,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:21 WrapperNode [2021-12-28 04:46:21,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:46:21,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:46:21,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:46:21,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:46:21,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:21" (1/1) ... [2021-12-28 04:46:21,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:21" (1/1) ... [2021-12-28 04:46:21,933 INFO L137 Inliner]: procedures = 538, calls = 6232, calls flagged for inlining = 274, calls inlined = 248, statements flattened = 8897 [2021-12-28 04:46:21,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:46:21,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:46:21,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:46:21,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:46:22,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:21" (1/1) ... [2021-12-28 04:46:22,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:21" (1/1) ... [2021-12-28 04:46:22,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:21" (1/1) ... [2021-12-28 04:46:22,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:21" (1/1) ... [2021-12-28 04:46:22,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:21" (1/1) ... [2021-12-28 04:46:22,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:21" (1/1) ... [2021-12-28 04:46:22,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:21" (1/1) ... [2021-12-28 04:46:22,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:46:22,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:46:22,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:46:22,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:46:22,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:21" (1/1) ... [2021-12-28 04:46:22,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:46:22,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:46:22,320 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) [2021-12-28 04:46:22,325 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 [2021-12-28 04:46:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2021-12-28 04:46:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2021-12-28 04:46:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-12-28 04:46:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-12-28 04:46:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2021-12-28 04:46:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2021-12-28 04:46:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 04:46:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:46:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:46:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:46:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:46:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2021-12-28 04:46:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2021-12-28 04:46:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:46:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:46:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:46:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:46:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2021-12-28 04:46:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2021-12-28 04:46:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:46:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:46:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 04:46:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 04:46:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:46:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:46:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2021-12-28 04:46:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2021-12-28 04:46:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-12-28 04:46:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-12-28 04:46:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:46:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2021-12-28 04:46:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2021-12-28 04:46:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:46:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:46:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:46:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:46:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:46:22,393 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:46:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:46:22,393 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:46:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2021-12-28 04:46:22,393 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2021-12-28 04:46:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:46:22,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:46:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-28 04:46:22,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-28 04:46:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:46:22,393 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:46:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2021-12-28 04:46:22,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2021-12-28 04:46:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:46:22,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:46:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:46:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2021-12-28 04:46:22,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2021-12-28 04:46:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2021-12-28 04:46:22,394 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2021-12-28 04:46:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:46:22,394 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:46:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:46:22,395 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:46:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2021-12-28 04:46:22,395 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2021-12-28 04:46:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2021-12-28 04:46:22,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2021-12-28 04:46:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:46:22,395 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:46:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:46:22,395 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:46:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:46:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2021-12-28 04:46:22,395 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2021-12-28 04:46:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:46:22,396 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:46:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-28 04:46:22,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-28 04:46:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-28 04:46:22,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-28 04:46:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:46:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:46:22,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:46:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:46:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:46:22,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:46:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:46:22,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:46:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:46:22,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:46:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:46:22,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:46:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2021-12-28 04:46:22,396 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2021-12-28 04:46:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2021-12-28 04:46:22,397 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2021-12-28 04:46:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:46:22,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:46:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:46:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:46:22,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:46:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:46:22,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:46:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-28 04:46:22,397 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-28 04:46:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 04:46:22,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 04:46:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:46:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:46:22,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:46:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:46:22,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:46:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:46:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:46:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:46:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:46:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2021-12-28 04:46:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2021-12-28 04:46:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-28 04:46:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-28 04:46:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:46:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:46:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:46:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:46:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2021-12-28 04:46:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2021-12-28 04:46:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 04:46:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 04:46:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:46:22,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:46:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-28 04:46:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-28 04:46:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-28 04:46:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-28 04:46:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:46:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:46:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2021-12-28 04:46:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2021-12-28 04:46:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-28 04:46:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-28 04:46:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-28 04:46:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-28 04:46:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:46:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:46:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-12-28 04:46:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-12-28 04:46:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 04:46:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 04:46:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-28 04:46:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-28 04:46:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2021-12-28 04:46:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2021-12-28 04:46:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2021-12-28 04:46:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2021-12-28 04:46:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:46:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:46:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:46:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:46:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:46:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:46:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2021-12-28 04:46:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2021-12-28 04:46:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2021-12-28 04:46:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2021-12-28 04:46:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2021-12-28 04:46:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2021-12-28 04:46:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 04:46:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 04:46:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:46:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:46:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:46:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:46:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-28 04:46:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-28 04:46:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:46:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:46:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 04:46:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 04:46:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:46:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:46:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:46:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2021-12-28 04:46:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2021-12-28 04:46:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-28 04:46:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-28 04:46:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:46:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2021-12-28 04:46:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2021-12-28 04:46:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-28 04:46:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-28 04:46:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-28 04:46:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-28 04:46:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:46:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2021-12-28 04:46:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2021-12-28 04:46:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-28 04:46:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-28 04:46:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2021-12-28 04:46:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2021-12-28 04:46:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 04:46:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 04:46:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:46:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:46:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-28 04:46:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-28 04:46:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:46:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:46:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2021-12-28 04:46:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2021-12-28 04:46:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2021-12-28 04:46:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2021-12-28 04:46:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:46:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:46:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:46:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:46:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-28 04:46:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-28 04:46:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:46:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:46:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 04:46:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 04:46:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2021-12-28 04:46:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2021-12-28 04:46:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 04:46:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 04:46:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-28 04:46:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-28 04:46:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 04:46:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 04:46:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:46:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:46:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2021-12-28 04:46:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2021-12-28 04:46:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2021-12-28 04:46:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2021-12-28 04:46:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:46:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:46:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-28 04:46:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-28 04:46:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2021-12-28 04:46:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2021-12-28 04:46:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:46:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-28 04:46:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-28 04:46:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-28 04:46:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-28 04:46:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:46:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:46:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2021-12-28 04:46:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2021-12-28 04:46:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_islpci_acl [2021-12-28 04:46:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_islpci_acl [2021-12-28 04:46:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2021-12-28 04:46:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2021-12-28 04:46:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 04:46:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 04:46:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2021-12-28 04:46:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2021-12-28 04:46:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-28 04:46:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-28 04:46:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 04:46:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 04:46:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:46:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:46:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:46:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:46:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-28 04:46:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-28 04:46:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2021-12-28 04:46:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2021-12-28 04:46:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_islpci_acl [2021-12-28 04:46:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_islpci_acl [2021-12-28 04:46:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:46:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:46:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:46:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:46:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:46:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:46:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:46:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-28 04:46:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-28 04:46:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2021-12-28 04:46:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2021-12-28 04:46:23,087 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:46:23,092 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:46:23,449 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:46:28,245 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:46:28,426 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:46:28,438 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:46:28,438 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-28 04:46:28,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:46:28 BoogieIcfgContainer [2021-12-28 04:46:28,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:46:28,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:46:28,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:46:28,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:46:28,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:46:17" (1/3) ... [2021-12-28 04:46:28,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c57d0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:46:28, skipping insertion in model container [2021-12-28 04:46:28,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:46:21" (2/3) ... [2021-12-28 04:46:28,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c57d0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:46:28, skipping insertion in model container [2021-12-28 04:46:28,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:46:28" (3/3) ... [2021-12-28 04:46:28,446 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2021-12-28 04:46:28,449 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:46:28,449 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-28 04:46:28,495 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:46:28,507 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 [2021-12-28 04:46:28,508 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-28 04:46:28,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 2440 states, 1688 states have (on average 1.2938388625592416) internal successors, (2184), 1738 states have internal predecessors, (2184), 618 states have call successors, (618), 131 states have call predecessors, (618), 130 states have return successors, (612), 593 states have call predecessors, (612), 612 states have call successors, (612) [2021-12-28 04:46:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-28 04:46:28,555 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:46:28,556 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:46:28,556 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 04:46:28,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:46:28,559 INFO L85 PathProgramCache]: Analyzing trace with hash 38973541, now seen corresponding path program 1 times [2021-12-28 04:46:28,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:46:28,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118130928] [2021-12-28 04:46:28,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:46:28,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:46:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:46:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:46:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:46:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:46:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:46:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:46:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:46:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 04:46:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 04:46:29,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:46:29,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118130928] [2021-12-28 04:46:29,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118130928] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:46:29,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:46:29,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:46:29,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775177771] [2021-12-28 04:46:29,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:46:29,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:46:29,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:46:29,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:46:29,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:46:29,621 INFO L87 Difference]: Start difference. First operand has 2440 states, 1688 states have (on average 1.2938388625592416) internal successors, (2184), 1738 states have internal predecessors, (2184), 618 states have call successors, (618), 131 states have call predecessors, (618), 130 states have return successors, (612), 593 states have call predecessors, (612), 612 states have call successors, (612) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-28 04:46:34,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:46:34,264 INFO L93 Difference]: Finished difference Result 7349 states and 10685 transitions. [2021-12-28 04:46:34,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:46:34,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2021-12-28 04:46:34,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:46:34,298 INFO L225 Difference]: With dead ends: 7349 [2021-12-28 04:46:34,298 INFO L226 Difference]: Without dead ends: 4910 [2021-12-28 04:46:34,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:46:34,319 INFO L933 BasicCegarLoop]: 3708 mSDtfsCounter, 4207 mSDsluCounter, 3478 mSDsCounter, 0 mSdLazyCounter, 2577 mSolverCounterSat, 1657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4711 SdHoareTripleChecker+Valid, 7186 SdHoareTripleChecker+Invalid, 4234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1657 IncrementalHoareTripleChecker+Valid, 2577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:46:34,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4711 Valid, 7186 Invalid, 4234 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1657 Valid, 2577 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-28 04:46:34,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4910 states. [2021-12-28 04:46:34,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4910 to 4720. [2021-12-28 04:46:34,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4720 states, 3269 states have (on average 1.2633832976445396) internal successors, (4130), 3367 states have internal predecessors, (4130), 1191 states have call successors, (1191), 257 states have call predecessors, (1191), 256 states have return successors, (1187), 1149 states have call predecessors, (1187), 1187 states have call successors, (1187) [2021-12-28 04:46:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4720 states to 4720 states and 6508 transitions. [2021-12-28 04:46:34,670 INFO L78 Accepts]: Start accepts. Automaton has 4720 states and 6508 transitions. Word has length 94 [2021-12-28 04:46:34,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:46:34,671 INFO L470 AbstractCegarLoop]: Abstraction has 4720 states and 6508 transitions. [2021-12-28 04:46:34,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-28 04:46:34,672 INFO L276 IsEmpty]: Start isEmpty. Operand 4720 states and 6508 transitions. [2021-12-28 04:46:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-28 04:46:34,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:46:34,675 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:46:34,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:46:34,676 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 04:46:34,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:46:34,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1061101067, now seen corresponding path program 1 times [2021-12-28 04:46:34,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:46:34,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976726828] [2021-12-28 04:46:34,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:46:34,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:46:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:34,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:46:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:34,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:46:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:34,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:34,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:46:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:34,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:46:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:35,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:35,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:46:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:35,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:35,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:46:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:35,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:46:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:35,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-28 04:46:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 04:46:35,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:46:35,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976726828] [2021-12-28 04:46:35,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976726828] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:46:35,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:46:35,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:46:35,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034637007] [2021-12-28 04:46:35,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:46:35,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:46:35,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:46:35,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:46:35,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:46:35,070 INFO L87 Difference]: Start difference. First operand 4720 states and 6508 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-28 04:46:39,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:46:39,034 INFO L93 Difference]: Finished difference Result 12034 states and 16690 transitions. [2021-12-28 04:46:39,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:46:39,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2021-12-28 04:46:39,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:46:39,079 INFO L225 Difference]: With dead ends: 12034 [2021-12-28 04:46:39,080 INFO L226 Difference]: Without dead ends: 7331 [2021-12-28 04:46:39,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:46:39,104 INFO L933 BasicCegarLoop]: 3694 mSDtfsCounter, 4186 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 2573 mSolverCounterSat, 1689 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4690 SdHoareTripleChecker+Valid, 7250 SdHoareTripleChecker+Invalid, 4262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1689 IncrementalHoareTripleChecker+Valid, 2573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:46:39,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4690 Valid, 7250 Invalid, 4262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1689 Valid, 2573 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-28 04:46:39,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7331 states. [2021-12-28 04:46:39,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7331 to 7033. [2021-12-28 04:46:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7033 states, 4872 states have (on average 1.2610837438423645) internal successors, (6144), 5021 states have internal predecessors, (6144), 1772 states have call successors, (1772), 386 states have call predecessors, (1772), 385 states have return successors, (1768), 1706 states have call predecessors, (1768), 1768 states have call successors, (1768) [2021-12-28 04:46:39,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7033 states to 7033 states and 9684 transitions. [2021-12-28 04:46:39,383 INFO L78 Accepts]: Start accepts. Automaton has 7033 states and 9684 transitions. Word has length 95 [2021-12-28 04:46:39,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:46:39,384 INFO L470 AbstractCegarLoop]: Abstraction has 7033 states and 9684 transitions. [2021-12-28 04:46:39,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-28 04:46:39,385 INFO L276 IsEmpty]: Start isEmpty. Operand 7033 states and 9684 transitions. [2021-12-28 04:46:39,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-28 04:46:39,387 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:46:39,387 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:46:39,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:46:39,388 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 04:46:39,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:46:39,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1782373060, now seen corresponding path program 1 times [2021-12-28 04:46:39,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:46:39,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672791795] [2021-12-28 04:46:39,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:46:39,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:46:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:46:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:46:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:46:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:46:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:46:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:46:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:46:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 04:46:39,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:46:39,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672791795] [2021-12-28 04:46:39,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672791795] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:46:39,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:46:39,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:46:39,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100355054] [2021-12-28 04:46:39,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:46:39,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:46:39,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:46:39,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:46:39,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:46:39,887 INFO L87 Difference]: Start difference. First operand 7033 states and 9684 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-28 04:46:49,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:46:49,468 INFO L93 Difference]: Finished difference Result 21840 states and 30170 transitions. [2021-12-28 04:46:49,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 04:46:49,468 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2021-12-28 04:46:49,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:46:49,545 INFO L225 Difference]: With dead ends: 21840 [2021-12-28 04:46:49,545 INFO L226 Difference]: Without dead ends: 14824 [2021-12-28 04:46:49,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:46:49,581 INFO L933 BasicCegarLoop]: 4040 mSDtfsCounter, 16529 mSDsluCounter, 5240 mSDsCounter, 0 mSdLazyCounter, 6011 mSolverCounterSat, 7986 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17451 SdHoareTripleChecker+Valid, 9280 SdHoareTripleChecker+Invalid, 13997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7986 IncrementalHoareTripleChecker+Valid, 6011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:46:49,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17451 Valid, 9280 Invalid, 13997 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7986 Valid, 6011 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2021-12-28 04:46:49,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14824 states. [2021-12-28 04:46:49,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14824 to 14138. [2021-12-28 04:46:50,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14138 states, 9850 states have (on average 1.2633502538071066) internal successors, (12444), 10178 states have internal predecessors, (12444), 3450 states have call successors, (3450), 839 states have call predecessors, (3450), 834 states have return successors, (3446), 3294 states have call predecessors, (3446), 3446 states have call successors, (3446) [2021-12-28 04:46:50,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14138 states to 14138 states and 19340 transitions. [2021-12-28 04:46:50,063 INFO L78 Accepts]: Start accepts. Automaton has 14138 states and 19340 transitions. Word has length 97 [2021-12-28 04:46:50,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:46:50,065 INFO L470 AbstractCegarLoop]: Abstraction has 14138 states and 19340 transitions. [2021-12-28 04:46:50,066 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-28 04:46:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 14138 states and 19340 transitions. [2021-12-28 04:46:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-28 04:46:50,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:46:50,068 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:46:50,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:46:50,068 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 04:46:50,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:46:50,069 INFO L85 PathProgramCache]: Analyzing trace with hash -218919595, now seen corresponding path program 1 times [2021-12-28 04:46:50,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:46:50,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152937440] [2021-12-28 04:46:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:46:50,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:46:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:46:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:46:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:46:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:46:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:46:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:46:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:46:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 04:46:50,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:46:50,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152937440] [2021-12-28 04:46:50,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152937440] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:46:50,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:46:50,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:46:50,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974420247] [2021-12-28 04:46:50,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:46:50,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:46:50,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:46:50,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:46:50,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:46:50,652 INFO L87 Difference]: Start difference. First operand 14138 states and 19340 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-28 04:46:54,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:46:54,572 INFO L93 Difference]: Finished difference Result 36144 states and 49494 transitions. [2021-12-28 04:46:54,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:46:54,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 103 [2021-12-28 04:46:54,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:46:54,661 INFO L225 Difference]: With dead ends: 36144 [2021-12-28 04:46:54,662 INFO L226 Difference]: Without dead ends: 22023 [2021-12-28 04:46:54,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:46:54,713 INFO L933 BasicCegarLoop]: 3657 mSDtfsCounter, 4038 mSDsluCounter, 3510 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 1655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4512 SdHoareTripleChecker+Valid, 7167 SdHoareTripleChecker+Invalid, 4164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1655 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:46:54,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4512 Valid, 7167 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1655 Valid, 2509 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-28 04:46:54,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22023 states. [2021-12-28 04:46:55,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22023 to 21064. [2021-12-28 04:46:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21064 states, 14724 states have (on average 1.256248302091823) internal successors, (18497), 15184 states have internal predecessors, (18497), 5044 states have call successors, (5044), 1307 states have call predecessors, (5044), 1292 states have return successors, (5046), 4818 states have call predecessors, (5046), 5040 states have call successors, (5046) [2021-12-28 04:46:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21064 states to 21064 states and 28587 transitions. [2021-12-28 04:46:55,404 INFO L78 Accepts]: Start accepts. Automaton has 21064 states and 28587 transitions. Word has length 103 [2021-12-28 04:46:55,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:46:55,405 INFO L470 AbstractCegarLoop]: Abstraction has 21064 states and 28587 transitions. [2021-12-28 04:46:55,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-28 04:46:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 21064 states and 28587 transitions. [2021-12-28 04:46:55,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-28 04:46:55,408 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:46:55,408 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:46:55,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:46:55,409 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 04:46:55,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:46:55,409 INFO L85 PathProgramCache]: Analyzing trace with hash 346365365, now seen corresponding path program 1 times [2021-12-28 04:46:55,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:46:55,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662467886] [2021-12-28 04:46:55,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:46:55,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:46:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:46:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:46:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:46:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:46:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:46:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:46:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:46:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 04:46:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:46:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:46:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:46:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:46:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 04:46:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:46:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 04:46:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:46:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-12-28 04:46:55,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:46:55,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662467886] [2021-12-28 04:46:55,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662467886] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:46:55,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:46:55,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:46:55,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758099308] [2021-12-28 04:46:55,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:46:55,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:46:55,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:46:55,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:46:55,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:46:55,825 INFO L87 Difference]: Start difference. First operand 21064 states and 28587 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-28 04:46:59,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:46:59,652 INFO L93 Difference]: Finished difference Result 62775 states and 85807 transitions. [2021-12-28 04:46:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:46:59,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 166 [2021-12-28 04:46:59,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:47:00,051 INFO L225 Difference]: With dead ends: 62775 [2021-12-28 04:47:00,051 INFO L226 Difference]: Without dead ends: 42327 [2021-12-28 04:47:00,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:47:00,109 INFO L933 BasicCegarLoop]: 4794 mSDtfsCounter, 3808 mSDsluCounter, 4084 mSDsCounter, 0 mSdLazyCounter, 2633 mSolverCounterSat, 1403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4306 SdHoareTripleChecker+Valid, 8878 SdHoareTripleChecker+Invalid, 4036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1403 IncrementalHoareTripleChecker+Valid, 2633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:47:00,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4306 Valid, 8878 Invalid, 4036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1403 Valid, 2633 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-28 04:47:00,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42327 states. [2021-12-28 04:47:01,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42327 to 40534. [2021-12-28 04:47:01,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40534 states, 28294 states have (on average 1.2557079239414717) internal successors, (35529), 29146 states have internal predecessors, (35529), 9734 states have call successors, (9734), 2523 states have call predecessors, (9734), 2502 states have return successors, (9742), 9348 states have call predecessors, (9742), 9730 states have call successors, (9742) [2021-12-28 04:47:01,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40534 states to 40534 states and 55005 transitions. [2021-12-28 04:47:01,567 INFO L78 Accepts]: Start accepts. Automaton has 40534 states and 55005 transitions. Word has length 166 [2021-12-28 04:47:01,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:47:01,569 INFO L470 AbstractCegarLoop]: Abstraction has 40534 states and 55005 transitions. [2021-12-28 04:47:01,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-28 04:47:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 40534 states and 55005 transitions. [2021-12-28 04:47:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-28 04:47:01,574 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:47:01,574 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:47:01,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:47:01,575 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 04:47:01,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:47:01,576 INFO L85 PathProgramCache]: Analyzing trace with hash 486913975, now seen corresponding path program 1 times [2021-12-28 04:47:01,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:47:01,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830412148] [2021-12-28 04:47:01,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:47:01,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:47:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:47:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:47:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:47:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:47:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:47:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:47:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:47:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 04:47:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:47:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:47:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:47:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 04:47:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:47:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 04:47:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:02,803 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-12-28 04:47:02,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:47:02,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830412148] [2021-12-28 04:47:02,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830412148] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:47:02,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:47:02,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:47:02,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474970438] [2021-12-28 04:47:02,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:47:02,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:47:02,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:47:02,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:47:02,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:47:02,806 INFO L87 Difference]: Start difference. First operand 40534 states and 55005 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-28 04:47:06,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:47:06,964 INFO L93 Difference]: Finished difference Result 42327 states and 57959 transitions. [2021-12-28 04:47:06,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:47:06,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 166 [2021-12-28 04:47:06,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:47:07,115 INFO L225 Difference]: With dead ends: 42327 [2021-12-28 04:47:07,115 INFO L226 Difference]: Without dead ends: 42325 [2021-12-28 04:47:07,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:47:07,139 INFO L933 BasicCegarLoop]: 3189 mSDtfsCounter, 3496 mSDsluCounter, 5571 mSDsCounter, 0 mSdLazyCounter, 3264 mSolverCounterSat, 1068 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3873 SdHoareTripleChecker+Valid, 8760 SdHoareTripleChecker+Invalid, 4332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1068 IncrementalHoareTripleChecker+Valid, 3264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:47:07,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3873 Valid, 8760 Invalid, 4332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1068 Valid, 3264 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-28 04:47:07,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42325 states. [2021-12-28 04:47:08,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42325 to 40538. [2021-12-28 04:47:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40538 states, 28297 states have (on average 1.2556808142205889) internal successors, (35532), 29149 states have internal predecessors, (35532), 9734 states have call successors, (9734), 2524 states have call predecessors, (9734), 2503 states have return successors, (9742), 9348 states have call predecessors, (9742), 9730 states have call successors, (9742) [2021-12-28 04:47:08,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40538 states to 40538 states and 55008 transitions. [2021-12-28 04:47:08,692 INFO L78 Accepts]: Start accepts. Automaton has 40538 states and 55008 transitions. Word has length 166 [2021-12-28 04:47:08,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:47:08,693 INFO L470 AbstractCegarLoop]: Abstraction has 40538 states and 55008 transitions. [2021-12-28 04:47:08,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-28 04:47:08,694 INFO L276 IsEmpty]: Start isEmpty. Operand 40538 states and 55008 transitions. [2021-12-28 04:47:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-28 04:47:08,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:47:08,843 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:47:08,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 04:47:08,843 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 04:47:08,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:47:08,844 INFO L85 PathProgramCache]: Analyzing trace with hash -712533819, now seen corresponding path program 1 times [2021-12-28 04:47:08,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:47:08,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161983361] [2021-12-28 04:47:08,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:47:08,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:47:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:47:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:47:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:47:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:47:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:47:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:47:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:47:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 04:47:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:47:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:47:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:47:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:47:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 04:47:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:47:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 04:47:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:47:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:47:09,519 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-12-28 04:47:09,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:47:09,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161983361] [2021-12-28 04:47:09,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161983361] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:47:09,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:47:09,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:47:09,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109676891] [2021-12-28 04:47:09,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:47:09,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:47:09,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:47:09,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:47:09,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:47:09,522 INFO L87 Difference]: Start difference. First operand 40538 states and 55008 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:47:13,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:47:13,662 INFO L93 Difference]: Finished difference Result 42331 states and 57962 transitions. [2021-12-28 04:47:13,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:47:13,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2021-12-28 04:47:13,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:47:13,816 INFO L225 Difference]: With dead ends: 42331 [2021-12-28 04:47:13,817 INFO L226 Difference]: Without dead ends: 42329 [2021-12-28 04:47:13,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:47:13,843 INFO L933 BasicCegarLoop]: 3189 mSDtfsCounter, 3488 mSDsluCounter, 5563 mSDsCounter, 0 mSdLazyCounter, 3264 mSolverCounterSat, 1069 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3867 SdHoareTripleChecker+Valid, 8752 SdHoareTripleChecker+Invalid, 4333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1069 IncrementalHoareTripleChecker+Valid, 3264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:47:13,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3867 Valid, 8752 Invalid, 4333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1069 Valid, 3264 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-28 04:47:13,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42329 states. [2021-12-28 04:47:14,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42329 to 40542. [2021-12-28 04:47:14,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40542 states, 28300 states have (on average 1.2556537102473497) internal successors, (35535), 29152 states have internal predecessors, (35535), 9734 states have call successors, (9734), 2525 states have call predecessors, (9734), 2504 states have return successors, (9742), 9348 states have call predecessors, (9742), 9730 states have call successors, (9742) [2021-12-28 04:47:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40542 states to 40542 states and 55011 transitions. [2021-12-28 04:47:15,254 INFO L78 Accepts]: Start accepts. Automaton has 40542 states and 55011 transitions. Word has length 171 [2021-12-28 04:47:15,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:47:15,255 INFO L470 AbstractCegarLoop]: Abstraction has 40542 states and 55011 transitions. [2021-12-28 04:47:15,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:47:15,255 INFO L276 IsEmpty]: Start isEmpty. Operand 40542 states and 55011 transitions. [2021-12-28 04:47:15,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-28 04:47:15,259 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:47:15,259 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:47:15,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 04:47:15,259 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 04:47:15,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:47:15,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1342916663, now seen corresponding path program 1 times [2021-12-28 04:47:15,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:47:15,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336683486] [2021-12-28 04:47:15,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:47:15,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:47:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat