./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.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 a3d1583250bab7d5c6e3cae163663e7ac3704cf0fb6c32d7f6b8a0a0c30f1a49 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 09:15:31,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 09:15:31,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 09:15:31,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 09:15:31,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 09:15:31,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 09:15:31,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 09:15:31,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 09:15:31,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 09:15:31,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 09:15:31,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 09:15:31,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 09:15:31,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 09:15:31,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 09:15:31,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 09:15:31,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 09:15:31,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 09:15:31,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 09:15:31,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 09:15:31,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 09:15:31,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 09:15:31,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 09:15:31,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 09:15:31,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 09:15:31,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 09:15:31,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 09:15:31,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 09:15:31,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 09:15:31,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 09:15:31,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 09:15:31,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 09:15:31,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 09:15:31,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 09:15:31,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 09:15:31,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 09:15:31,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 09:15:31,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 09:15:31,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 09:15:31,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 09:15:31,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 09:15:31,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 09:15:31,722 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 09:15:31,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 09:15:31,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 09:15:31,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 09:15:31,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 09:15:31,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 09:15:31,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 09:15:31,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 09:15:31,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 09:15:31,758 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 09:15:31,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 09:15:31,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 09:15:31,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 09:15:31,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 09:15:31,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 09:15:31,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 09:15:31,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 09:15:31,760 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 09:15:31,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 09:15:31,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 09:15:31,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 09:15:31,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 09:15:31,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 09:15:31,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 09:15:31,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 09:15:31,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 09:15:31,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 09:15:31,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 09:15:31,762 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 09:15:31,762 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 09:15:31,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 09:15:31,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 09:15:31,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3d1583250bab7d5c6e3cae163663e7ac3704cf0fb6c32d7f6b8a0a0c30f1a49 [2021-11-17 09:15:31,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 09:15:32,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 09:15:32,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 09:15:32,017 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 09:15:32,017 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 09:15:32,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-17 09:15:32,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0aeb9a2c/969b9b507b124dfaa36224035c9ae467/FLAG16451e60e [2021-11-17 09:15:33,057 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 09:15:33,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-17 09:15:33,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0aeb9a2c/969b9b507b124dfaa36224035c9ae467/FLAG16451e60e [2021-11-17 09:15:33,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0aeb9a2c/969b9b507b124dfaa36224035c9ae467 [2021-11-17 09:15:33,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 09:15:33,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 09:15:33,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 09:15:33,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 09:15:33,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 09:15:33,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 09:15:33" (1/1) ... [2021-11-17 09:15:33,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0f4aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:33, skipping insertion in model container [2021-11-17 09:15:33,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 09:15:33" (1/1) ... [2021-11-17 09:15:33,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 09:15:33,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 09:15:40,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752340,752353] [2021-11-17 09:15:40,226 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_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752506,752519] [2021-11-17 09:15:40,232 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_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752670,752683] [2021-11-17 09:15:40,233 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_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752835,752848] [2021-11-17 09:15:40,272 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 09:15:40,348 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 09:15:40,886 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_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752340,752353] [2021-11-17 09:15:40,887 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_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752506,752519] [2021-11-17 09:15:40,887 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_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752670,752683] [2021-11-17 09:15:40,887 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_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752835,752848] [2021-11-17 09:15:40,895 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 09:15:41,138 INFO L208 MainTranslator]: Completed translation [2021-11-17 09:15:41,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:41 WrapperNode [2021-11-17 09:15:41,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 09:15:41,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 09:15:41,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 09:15:41,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 09:15:41,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:41" (1/1) ... [2021-11-17 09:15:41,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:41" (1/1) ... [2021-11-17 09:15:41,986 INFO L137 Inliner]: procedures = 660, calls = 11540, calls flagged for inlining = 344, calls inlined = 236, statements flattened = 12734 [2021-11-17 09:15:41,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 09:15:41,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 09:15:41,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 09:15:41,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 09:15:41,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:41" (1/1) ... [2021-11-17 09:15:41,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:41" (1/1) ... [2021-11-17 09:15:42,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:41" (1/1) ... [2021-11-17 09:15:42,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:41" (1/1) ... [2021-11-17 09:15:42,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:41" (1/1) ... [2021-11-17 09:15:42,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:41" (1/1) ... [2021-11-17 09:15:42,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:41" (1/1) ... [2021-11-17 09:15:42,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 09:15:42,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 09:15:42,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 09:15:42,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 09:15:42,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:41" (1/1) ... [2021-11-17 09:15:42,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 09:15:42,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 09:15:42,585 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) [2021-11-17 09:15:42,602 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 [2021-11-17 09:15:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 09:15:42,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 09:15:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 09:15:42,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 09:15:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2021-11-17 09:15:42,622 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2021-11-17 09:15:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2021-11-17 09:15:42,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2021-11-17 09:15:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2021-11-17 09:15:42,623 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2021-11-17 09:15:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 09:15:42,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 09:15:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 09:15:42,624 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 09:15:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-17 09:15:42,624 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-17 09:15:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2021-11-17 09:15:42,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2021-11-17 09:15:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2021-11-17 09:15:42,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2021-11-17 09:15:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 09:15:42,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 09:15:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-17 09:15:42,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-17 09:15:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2021-11-17 09:15:42,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2021-11-17 09:15:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2021-11-17 09:15:42,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2021-11-17 09:15:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-17 09:15:42,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-17 09:15:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 09:15:42,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 09:15:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 09:15:42,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 09:15:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 09:15:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 09:15:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 09:15:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 09:15:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 09:15:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 09:15:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2021-11-17 09:15:42,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2021-11-17 09:15:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 09:15:42,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 09:15:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-17 09:15:42,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-17 09:15:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 09:15:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 09:15:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2021-11-17 09:15:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2021-11-17 09:15:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2021-11-17 09:15:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2021-11-17 09:15:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2021-11-17 09:15:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2021-11-17 09:15:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 09:15:42,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 09:15:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 09:15:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2021-11-17 09:15:42,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2021-11-17 09:15:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-17 09:15:42,630 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-17 09:15:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2021-11-17 09:15:42,631 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2021-11-17 09:15:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 09:15:42,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 09:15:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2021-11-17 09:15:42,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2021-11-17 09:15:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2021-11-17 09:15:42,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2021-11-17 09:15:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 09:15:42,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 09:15:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2021-11-17 09:15:42,632 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2021-11-17 09:15:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 09:15:42,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 09:15:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-17 09:15:42,633 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-17 09:15:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 09:15:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 09:15:42,633 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 09:15:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-17 09:15:42,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-17 09:15:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 09:15:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2021-11-17 09:15:42,634 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2021-11-17 09:15:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 09:15:42,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 09:15:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2021-11-17 09:15:42,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2021-11-17 09:15:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 09:15:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 09:15:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 09:15:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2021-11-17 09:15:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2021-11-17 09:15:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2021-11-17 09:15:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2021-11-17 09:15:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 09:15:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 09:15:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 09:15:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 09:15:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 09:15:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 09:15:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 09:15:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 09:15:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-17 09:15:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-17 09:15:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 09:15:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 09:15:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2021-11-17 09:15:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2021-11-17 09:15:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 09:15:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 09:15:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2021-11-17 09:15:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2021-11-17 09:15:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2021-11-17 09:15:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2021-11-17 09:15:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2021-11-17 09:15:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2021-11-17 09:15:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2021-11-17 09:15:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2021-11-17 09:15:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 09:15:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 09:15:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2021-11-17 09:15:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2021-11-17 09:15:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 09:15:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 09:15:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-11-17 09:15:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-11-17 09:15:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 09:15:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 09:15:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 09:15:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-17 09:15:42,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-17 09:15:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 09:15:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2021-11-17 09:15:42,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2021-11-17 09:15:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 09:15:42,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 09:15:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2021-11-17 09:15:42,642 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2021-11-17 09:15:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 09:15:42,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 09:15:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2021-11-17 09:15:42,642 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2021-11-17 09:15:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 09:15:42,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 09:15:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 09:15:42,643 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 09:15:42,643 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2021-11-17 09:15:42,643 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2021-11-17 09:15:42,643 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2021-11-17 09:15:42,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2021-11-17 09:15:42,643 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-17 09:15:42,643 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-17 09:15:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2021-11-17 09:15:42,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2021-11-17 09:15:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-11-17 09:15:42,644 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-11-17 09:15:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 09:15:42,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 09:15:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-17 09:15:42,644 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-17 09:15:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2021-11-17 09:15:42,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2021-11-17 09:15:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2021-11-17 09:15:42,645 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2021-11-17 09:15:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-17 09:15:42,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-17 09:15:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 09:15:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 09:15:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 09:15:42,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 09:15:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2021-11-17 09:15:42,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2021-11-17 09:15:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-17 09:15:42,646 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-17 09:15:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2021-11-17 09:15:42,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2021-11-17 09:15:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2021-11-17 09:15:42,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2021-11-17 09:15:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2021-11-17 09:15:42,647 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2021-11-17 09:15:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2021-11-17 09:15:42,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2021-11-17 09:15:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 09:15:42,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 09:15:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2021-11-17 09:15:42,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2021-11-17 09:15:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2021-11-17 09:15:42,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2021-11-17 09:15:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2021-11-17 09:15:42,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2021-11-17 09:15:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2021-11-17 09:15:42,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2021-11-17 09:15:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2021-11-17 09:15:42,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2021-11-17 09:15:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 09:15:42,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 09:15:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2021-11-17 09:15:42,650 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2021-11-17 09:15:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2021-11-17 09:15:42,650 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2021-11-17 09:15:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 09:15:42,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 09:15:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 09:15:42,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 09:15:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 09:15:42,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 09:15:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2021-11-17 09:15:42,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2021-11-17 09:15:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-17 09:15:42,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-17 09:15:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-17 09:15:42,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-17 09:15:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 09:15:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 09:15:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-17 09:15:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-17 09:15:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 09:15:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2021-11-17 09:15:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2021-11-17 09:15:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 09:15:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 09:15:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2021-11-17 09:15:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2021-11-17 09:15:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 09:15:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2021-11-17 09:15:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2021-11-17 09:15:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2021-11-17 09:15:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2021-11-17 09:15:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2021-11-17 09:15:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2021-11-17 09:15:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2021-11-17 09:15:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2021-11-17 09:15:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2021-11-17 09:15:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2021-11-17 09:15:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-17 09:15:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-17 09:15:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 09:15:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2021-11-17 09:15:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2021-11-17 09:15:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-17 09:15:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-17 09:15:42,661 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-17 09:15:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-17 09:15:42,661 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2021-11-17 09:15:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2021-11-17 09:15:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2021-11-17 09:15:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2021-11-17 09:15:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 09:15:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 09:15:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2021-11-17 09:15:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2021-11-17 09:15:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 09:15:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 09:15:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 09:15:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 09:15:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-17 09:15:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-17 09:15:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2021-11-17 09:15:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2021-11-17 09:15:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2021-11-17 09:15:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2021-11-17 09:15:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2021-11-17 09:15:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2021-11-17 09:15:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-17 09:15:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-17 09:15:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2021-11-17 09:15:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2021-11-17 09:15:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 09:15:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 09:15:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-17 09:15:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-17 09:15:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-17 09:15:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-17 09:15:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 09:15:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 09:15:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-17 09:15:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-17 09:15:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2021-11-17 09:15:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2021-11-17 09:15:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2021-11-17 09:15:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2021-11-17 09:15:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-17 09:15:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-11-17 09:15:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 09:15:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 09:15:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-17 09:15:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-17 09:15:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 09:15:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2021-11-17 09:15:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2021-11-17 09:15:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 09:15:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 09:15:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2021-11-17 09:15:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2021-11-17 09:15:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2021-11-17 09:15:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2021-11-17 09:15:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 09:15:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 09:15:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2021-11-17 09:15:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2021-11-17 09:15:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 09:15:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 09:15:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2021-11-17 09:15:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2021-11-17 09:15:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 09:15:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 09:15:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-17 09:15:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-17 09:15:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2021-11-17 09:15:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2021-11-17 09:15:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2021-11-17 09:15:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2021-11-17 09:15:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2021-11-17 09:15:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2021-11-17 09:15:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 09:15:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 09:15:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 09:15:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 09:15:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-17 09:15:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-17 09:15:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 09:15:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 09:15:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-17 09:15:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-17 09:15:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2021-11-17 09:15:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2021-11-17 09:15:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 09:15:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 09:15:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2021-11-17 09:15:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2021-11-17 09:15:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-17 09:15:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2021-11-17 09:15:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2021-11-17 09:15:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2021-11-17 09:15:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2021-11-17 09:15:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 09:15:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2021-11-17 09:15:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2021-11-17 09:15:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2021-11-17 09:15:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2021-11-17 09:15:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 09:15:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 09:15:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-17 09:15:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-17 09:15:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2021-11-17 09:15:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2021-11-17 09:15:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2021-11-17 09:15:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2021-11-17 09:15:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-17 09:15:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-17 09:15:43,818 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 09:15:43,822 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 09:15:56,596 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 09:18:11,206 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 09:18:11,238 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 09:18:11,238 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-17 09:18:11,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 09:18:11 BoogieIcfgContainer [2021-11-17 09:18:11,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 09:18:11,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 09:18:11,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 09:18:11,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 09:18:11,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 09:15:33" (1/3) ... [2021-11-17 09:18:11,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e75cee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 09:18:11, skipping insertion in model container [2021-11-17 09:18:11,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:15:41" (2/3) ... [2021-11-17 09:18:11,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e75cee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 09:18:11, skipping insertion in model container [2021-11-17 09:18:11,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 09:18:11" (3/3) ... [2021-11-17 09:18:11,255 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-17 09:18:11,259 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 09:18:11,260 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 09:18:11,329 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 09:18:11,345 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 [2021-11-17 09:18:11,346 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 09:18:11,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 3491 states, 2480 states have (on average 1.3274193548387097) internal successors, (3292), 2506 states have internal predecessors, (3292), 841 states have call successors, (841), 167 states have call predecessors, (841), 166 states have return successors, (837), 836 states have call predecessors, (837), 837 states have call successors, (837) [2021-11-17 09:18:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-17 09:18:11,523 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:18:11,525 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 09:18:11,528 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 1 more)] === [2021-11-17 09:18:11,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:18:11,539 INFO L85 PathProgramCache]: Analyzing trace with hash -624771986, now seen corresponding path program 1 times [2021-11-17 09:18:11,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:18:11,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322023628] [2021-11-17 09:18:11,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:18:11,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:18:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:13,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 09:18:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:13,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:18:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 09:18:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:13,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:18:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 09:18:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 09:18:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:13,188 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 09:18:13,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:18:13,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322023628] [2021-11-17 09:18:13,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322023628] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:18:13,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:18:13,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:18:13,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763040038] [2021-11-17 09:18:13,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:18:13,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:18:13,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:18:13,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:18:13,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:18:13,234 INFO L87 Difference]: Start difference. First operand has 3491 states, 2480 states have (on average 1.3274193548387097) internal successors, (3292), 2506 states have internal predecessors, (3292), 841 states have call successors, (841), 167 states have call predecessors, (841), 166 states have return successors, (837), 836 states have call predecessors, (837), 837 states have call successors, (837) Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-17 09:18:14,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:18:14,290 INFO L93 Difference]: Finished difference Result 8866 states and 13377 transitions. [2021-11-17 09:18:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 09:18:14,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2021-11-17 09:18:14,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:18:14,357 INFO L225 Difference]: With dead ends: 8866 [2021-11-17 09:18:14,358 INFO L226 Difference]: Without dead ends: 5391 [2021-11-17 09:18:14,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 09:18:14,411 INFO L933 BasicCegarLoop]: 6781 mSDtfsCounter, 4779 mSDsluCounter, 16443 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4784 SdHoareTripleChecker+Valid, 23224 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-17 09:18:14,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4784 Valid, 23224 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-17 09:18:14,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5391 states. [2021-11-17 09:18:14,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5391 to 5387. [2021-11-17 09:18:14,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5387 states, 3865 states have (on average 1.3353169469598964) internal successors, (5161), 3892 states have internal predecessors, (5161), 1258 states have call successors, (1258), 262 states have call predecessors, (1258), 261 states have return successors, (1255), 1254 states have call predecessors, (1255), 1255 states have call successors, (1255) [2021-11-17 09:18:14,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 5387 states and 7674 transitions. [2021-11-17 09:18:14,803 INFO L78 Accepts]: Start accepts. Automaton has 5387 states and 7674 transitions. Word has length 51 [2021-11-17 09:18:14,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:18:14,804 INFO L470 AbstractCegarLoop]: Abstraction has 5387 states and 7674 transitions. [2021-11-17 09:18:14,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-17 09:18:14,805 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 7674 transitions. [2021-11-17 09:18:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-17 09:18:14,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:18:14,808 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 09:18:14,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 09:18:14,809 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 1 more)] === [2021-11-17 09:18:14,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:18:14,810 INFO L85 PathProgramCache]: Analyzing trace with hash -582986137, now seen corresponding path program 1 times [2021-11-17 09:18:14,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:18:14,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035245915] [2021-11-17 09:18:14,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:18:14,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:18:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:15,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 09:18:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:15,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:18:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:15,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 09:18:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:15,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:18:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 09:18:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:15,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 09:18:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:18:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:15,778 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 09:18:15,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:18:15,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035245915] [2021-11-17 09:18:15,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035245915] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:18:15,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:18:15,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:18:15,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507037570] [2021-11-17 09:18:15,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:18:15,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:18:15,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:18:15,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:18:15,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:18:15,782 INFO L87 Difference]: Start difference. First operand 5387 states and 7674 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 09:18:16,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:18:16,587 INFO L93 Difference]: Finished difference Result 6377 states and 8982 transitions. [2021-11-17 09:18:16,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 09:18:16,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2021-11-17 09:18:16,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:18:16,639 INFO L225 Difference]: With dead ends: 6377 [2021-11-17 09:18:16,639 INFO L226 Difference]: Without dead ends: 6375 [2021-11-17 09:18:16,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 09:18:16,649 INFO L933 BasicCegarLoop]: 5088 mSDtfsCounter, 4797 mSDsluCounter, 10932 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4800 SdHoareTripleChecker+Valid, 16020 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-17 09:18:16,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4800 Valid, 16020 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-17 09:18:16,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6375 states. [2021-11-17 09:18:16,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6375 to 6373. [2021-11-17 09:18:16,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6373 states, 4589 states have (on average 1.330573109609937) internal successors, (6106), 4620 states have internal predecessors, (6106), 1438 states have call successors, (1438), 344 states have call predecessors, (1438), 343 states have return successors, (1435), 1434 states have call predecessors, (1435), 1435 states have call successors, (1435) [2021-11-17 09:18:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6373 states to 6373 states and 8979 transitions. [2021-11-17 09:18:17,133 INFO L78 Accepts]: Start accepts. Automaton has 6373 states and 8979 transitions. Word has length 56 [2021-11-17 09:18:17,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:18:17,133 INFO L470 AbstractCegarLoop]: Abstraction has 6373 states and 8979 transitions. [2021-11-17 09:18:17,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 09:18:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 6373 states and 8979 transitions. [2021-11-17 09:18:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-17 09:18:17,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:18:17,141 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 09:18:17,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 09:18:17,142 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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 1 more)] === [2021-11-17 09:18:17,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:18:17,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1621219378, now seen corresponding path program 1 times [2021-11-17 09:18:17,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:18:17,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114742056] [2021-11-17 09:18:17,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:18:17,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:18:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:17,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 09:18:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:18,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:18:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 09:18:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:18:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:18,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 09:18:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 09:18:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:18:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 09:18:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-17 09:18:18,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:18:18,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114742056] [2021-11-17 09:18:18,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114742056] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:18:18,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:18:18,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:18:18,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866684168] [2021-11-17 09:18:18,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:18:18,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:18:18,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:18:18,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:18:18,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:18:18,104 INFO L87 Difference]: Start difference. First operand 6373 states and 8979 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-17 09:18:18,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:18:18,889 INFO L93 Difference]: Finished difference Result 6379 states and 8984 transitions. [2021-11-17 09:18:18,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 09:18:18,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2021-11-17 09:18:18,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:18:18,944 INFO L225 Difference]: With dead ends: 6379 [2021-11-17 09:18:18,945 INFO L226 Difference]: Without dead ends: 6377 [2021-11-17 09:18:18,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 09:18:18,958 INFO L933 BasicCegarLoop]: 4937 mSDtfsCounter, 4913 mSDsluCounter, 9862 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4915 SdHoareTripleChecker+Valid, 14799 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-17 09:18:18,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4915 Valid, 14799 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-17 09:18:18,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6377 states. [2021-11-17 09:18:19,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6377 to 6377. [2021-11-17 09:18:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6377 states, 4592 states have (on average 1.3303571428571428) internal successors, (6109), 4623 states have internal predecessors, (6109), 1438 states have call successors, (1438), 345 states have call predecessors, (1438), 344 states have return successors, (1435), 1434 states have call predecessors, (1435), 1435 states have call successors, (1435) [2021-11-17 09:18:19,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6377 states to 6377 states and 8982 transitions. [2021-11-17 09:18:19,270 INFO L78 Accepts]: Start accepts. Automaton has 6377 states and 8982 transitions. Word has length 61 [2021-11-17 09:18:19,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:18:19,270 INFO L470 AbstractCegarLoop]: Abstraction has 6377 states and 8982 transitions. [2021-11-17 09:18:19,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-17 09:18:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 6377 states and 8982 transitions. [2021-11-17 09:18:19,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-17 09:18:19,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:18:19,274 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 09:18:19,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 09:18:19,274 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 1 more)] === [2021-11-17 09:18:19,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:18:19,275 INFO L85 PathProgramCache]: Analyzing trace with hash -65325433, now seen corresponding path program 1 times [2021-11-17 09:18:19,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:18:19,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451013216] [2021-11-17 09:18:19,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:18:19,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:18:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:20,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 09:18:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:20,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:18:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:20,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 09:18:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:20,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:18:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:20,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 09:18:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:20,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 09:18:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:18:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:20,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 09:18:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:20,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 09:18:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:20,160 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 09:18:20,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:18:20,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451013216] [2021-11-17 09:18:20,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451013216] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:18:20,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:18:20,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:18:20,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086886597] [2021-11-17 09:18:20,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:18:20,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:18:20,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:18:20,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:18:20,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:18:20,163 INFO L87 Difference]: Start difference. First operand 6377 states and 8982 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 09:18:20,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:18:20,837 INFO L93 Difference]: Finished difference Result 6383 states and 8987 transitions. [2021-11-17 09:18:20,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 09:18:20,839 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2021-11-17 09:18:20,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:18:20,878 INFO L225 Difference]: With dead ends: 6383 [2021-11-17 09:18:20,878 INFO L226 Difference]: Without dead ends: 6379 [2021-11-17 09:18:20,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 09:18:20,887 INFO L933 BasicCegarLoop]: 4937 mSDtfsCounter, 4913 mSDsluCounter, 9862 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4914 SdHoareTripleChecker+Valid, 14799 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-17 09:18:20,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4914 Valid, 14799 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-17 09:18:20,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6379 states. [2021-11-17 09:18:21,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6379 to 6379. [2021-11-17 09:18:21,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6379 states, 4594 states have (on average 1.3299956464954288) internal successors, (6110), 4624 states have internal predecessors, (6110), 1438 states have call successors, (1438), 346 states have call predecessors, (1438), 344 states have return successors, (1435), 1434 states have call predecessors, (1435), 1435 states have call successors, (1435) [2021-11-17 09:18:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6379 states to 6379 states and 8983 transitions. [2021-11-17 09:18:21,326 INFO L78 Accepts]: Start accepts. Automaton has 6379 states and 8983 transitions. Word has length 66 [2021-11-17 09:18:21,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:18:21,328 INFO L470 AbstractCegarLoop]: Abstraction has 6379 states and 8983 transitions. [2021-11-17 09:18:21,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 09:18:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand 6379 states and 8983 transitions. [2021-11-17 09:18:21,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-17 09:18:21,330 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:18:21,330 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 09:18:21,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 09:18:21,331 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 1 more)] === [2021-11-17 09:18:21,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:18:21,332 INFO L85 PathProgramCache]: Analyzing trace with hash 757369646, now seen corresponding path program 1 times [2021-11-17 09:18:21,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:18:21,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060045561] [2021-11-17 09:18:21,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:18:21,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:18:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:22,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 09:18:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:22,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:18:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 09:18:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:22,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:18:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 09:18:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:22,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 09:18:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:18:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 09:18:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:22,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 09:18:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 09:18:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-17 09:18:22,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:18:22,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060045561] [2021-11-17 09:18:22,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060045561] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:18:22,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:18:22,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:18:22,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163097058] [2021-11-17 09:18:22,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:18:22,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:18:22,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:18:22,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:18:22,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:18:22,186 INFO L87 Difference]: Start difference. First operand 6379 states and 8983 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 09:18:22,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:18:22,835 INFO L93 Difference]: Finished difference Result 6379 states and 8983 transitions. [2021-11-17 09:18:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 09:18:22,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2021-11-17 09:18:22,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:18:22,885 INFO L225 Difference]: With dead ends: 6379 [2021-11-17 09:18:22,885 INFO L226 Difference]: Without dead ends: 5995 [2021-11-17 09:18:22,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 09:18:22,895 INFO L933 BasicCegarLoop]: 4935 mSDtfsCounter, 4909 mSDsluCounter, 9861 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4909 SdHoareTripleChecker+Valid, 14796 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-17 09:18:22,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4909 Valid, 14796 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-17 09:18:22,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5995 states. [2021-11-17 09:18:23,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5995 to 5995. [2021-11-17 09:18:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5995 states, 4313 states have (on average 1.3310920472988639) internal successors, (5741), 4338 states have internal predecessors, (5741), 1347 states have call successors, (1347), 333 states have call predecessors, (1347), 333 states have return successors, (1347), 1346 states have call predecessors, (1347), 1347 states have call successors, (1347) [2021-11-17 09:18:23,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5995 states to 5995 states and 8435 transitions. [2021-11-17 09:18:23,188 INFO L78 Accepts]: Start accepts. Automaton has 5995 states and 8435 transitions. Word has length 71 [2021-11-17 09:18:23,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:18:23,188 INFO L470 AbstractCegarLoop]: Abstraction has 5995 states and 8435 transitions. [2021-11-17 09:18:23,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 09:18:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 5995 states and 8435 transitions. [2021-11-17 09:18:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-17 09:18:23,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:18:23,190 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 09:18:23,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 09:18:23,191 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 1 more)] === [2021-11-17 09:18:23,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:18:23,191 INFO L85 PathProgramCache]: Analyzing trace with hash -154440440, now seen corresponding path program 1 times [2021-11-17 09:18:23,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:18:23,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759381790] [2021-11-17 09:18:23,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:18:23,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:18:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 09:18:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:18:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 09:18:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:18:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:18:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:18:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 09:18:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:18:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:18:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:18:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 09:18:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:18:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:18:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:18:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 09:18:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 09:18:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:18:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:18:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-17 09:18:24,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:18:24,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759381790] [2021-11-17 09:18:24,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759381790] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:18:24,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:18:24,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 09:18:24,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710999605] [2021-11-17 09:18:24,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:18:24,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 09:18:24,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:18:24,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 09:18:24,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 09:18:24,408 INFO L87 Difference]: Start difference. First operand 5995 states and 8435 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 09:18:26,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:18:29,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:18:31,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:18:34,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:18:48,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:18:52,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:18:54,742 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:18:57,457 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:00,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:03,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:05,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:07,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:10,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:12,653 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:15,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:18,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:20,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:22,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:25,411 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:27,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:19:27,730 INFO L93 Difference]: Finished difference Result 12117 states and 17063 transitions. [2021-11-17 09:19:27,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 09:19:27,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 122 [2021-11-17 09:19:27,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:19:27,769 INFO L225 Difference]: With dead ends: 12117 [2021-11-17 09:19:27,770 INFO L226 Difference]: Without dead ends: 6140 [2021-11-17 09:19:27,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 09:19:27,804 INFO L933 BasicCegarLoop]: 4229 mSDtfsCounter, 1058 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 778 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 9367 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 778 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.7s IncrementalHoareTripleChecker+Time [2021-11-17 09:19:27,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1292 Valid, 9367 Invalid, 2753 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [778 Valid, 1956 Invalid, 19 Unknown, 0 Unchecked, 62.7s Time] [2021-11-17 09:19:27,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6140 states. [2021-11-17 09:19:28,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6140 to 5996. [2021-11-17 09:19:28,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5996 states, 4314 states have (on average 1.3310152990264257) internal successors, (5742), 4339 states have internal predecessors, (5742), 1347 states have call successors, (1347), 333 states have call predecessors, (1347), 333 states have return successors, (1347), 1346 states have call predecessors, (1347), 1347 states have call successors, (1347) [2021-11-17 09:19:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5996 states to 5996 states and 8436 transitions. [2021-11-17 09:19:28,090 INFO L78 Accepts]: Start accepts. Automaton has 5996 states and 8436 transitions. Word has length 122 [2021-11-17 09:19:28,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:19:28,090 INFO L470 AbstractCegarLoop]: Abstraction has 5996 states and 8436 transitions. [2021-11-17 09:19:28,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 09:19:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand 5996 states and 8436 transitions. [2021-11-17 09:19:28,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-17 09:19:28,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:19:28,095 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 09:19:28,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 09:19:28,095 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 1 more)] === [2021-11-17 09:19:28,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:19:28,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1692262216, now seen corresponding path program 1 times [2021-11-17 09:19:28,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:19:28,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016554240] [2021-11-17 09:19:28,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:19:28,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:19:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:28,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 09:19:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:28,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:19:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:28,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 09:19:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:28,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:19:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:19:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:19:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 09:19:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:28,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:19:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:28,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:19:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:28,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:19:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 09:19:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:19:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:19:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:29,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:19:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 09:19:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 09:19:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:19:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 09:19:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:19:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:19:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-11-17 09:19:29,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:19:29,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016554240] [2021-11-17 09:19:29,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016554240] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:19:29,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:19:29,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 09:19:29,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067548370] [2021-11-17 09:19:29,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:19:29,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 09:19:29,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:19:29,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 09:19:29,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 09:19:29,090 INFO L87 Difference]: Start difference. First operand 5996 states and 8436 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-11-17 09:19:31,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:37,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:39,589 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:41,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:53,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:57,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:19:59,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:02,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:04,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:07,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:10,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:12,635 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:15,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:17,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:20,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:23,316 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:25,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:27,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:30,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:32,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:20:32,824 INFO L93 Difference]: Finished difference Result 12119 states and 17065 transitions. [2021-11-17 09:20:32,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 09:20:32,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 137 [2021-11-17 09:20:32,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:20:32,861 INFO L225 Difference]: With dead ends: 12119 [2021-11-17 09:20:32,862 INFO L226 Difference]: Without dead ends: 6141 [2021-11-17 09:20:32,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 09:20:32,892 INFO L933 BasicCegarLoop]: 4230 mSDtfsCounter, 1064 mSDsluCounter, 5140 mSDsCounter, 0 mSdLazyCounter, 1954 mSolverCounterSat, 781 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 9370 SdHoareTripleChecker+Invalid, 2754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 781 IncrementalHoareTripleChecker+Valid, 1954 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.2s IncrementalHoareTripleChecker+Time [2021-11-17 09:20:32,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1300 Valid, 9370 Invalid, 2754 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [781 Valid, 1954 Invalid, 19 Unknown, 0 Unchecked, 63.2s Time] [2021-11-17 09:20:32,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6141 states. [2021-11-17 09:20:33,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6141 to 5996. [2021-11-17 09:20:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5996 states, 4314 states have (on average 1.3310152990264257) internal successors, (5742), 4339 states have internal predecessors, (5742), 1347 states have call successors, (1347), 333 states have call predecessors, (1347), 333 states have return successors, (1347), 1346 states have call predecessors, (1347), 1347 states have call successors, (1347) [2021-11-17 09:20:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5996 states to 5996 states and 8436 transitions. [2021-11-17 09:20:33,152 INFO L78 Accepts]: Start accepts. Automaton has 5996 states and 8436 transitions. Word has length 137 [2021-11-17 09:20:33,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:20:33,153 INFO L470 AbstractCegarLoop]: Abstraction has 5996 states and 8436 transitions. [2021-11-17 09:20:33,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-11-17 09:20:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 5996 states and 8436 transitions. [2021-11-17 09:20:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-17 09:20:33,157 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:20:33,157 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 09:20:33,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 09:20:33,158 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 1 more)] === [2021-11-17 09:20:33,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:20:33,158 INFO L85 PathProgramCache]: Analyzing trace with hash 484581859, now seen corresponding path program 1 times [2021-11-17 09:20:33,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:20:33,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807407044] [2021-11-17 09:20:33,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:20:33,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:20:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 09:20:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:20:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 09:20:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:20:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:20:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:20:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 09:20:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:20:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:20:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:20:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 09:20:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:20:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:20:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:20:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 09:20:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 09:20:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:20:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 09:20:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 09:20:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 09:20:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 09:20:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:20:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:20:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-11-17 09:20:34,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:20:34,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807407044] [2021-11-17 09:20:34,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807407044] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:20:34,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:20:34,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 09:20:34,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553584255] [2021-11-17 09:20:34,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:20:34,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 09:20:34,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:20:34,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 09:20:34,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 09:20:34,401 INFO L87 Difference]: Start difference. First operand 5996 states and 8436 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-17 09:20:36,635 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:44,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:46,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:20:48,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:15,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:17,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:20,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:22,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:26,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:28,874 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:31,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:34,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:36,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:39,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:42,726 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:47,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:49,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:51,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:54,850 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:21:57,923 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:22:06,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:22:08,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:22:10,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:22:10,120 INFO L93 Difference]: Finished difference Result 6561 states and 9193 transitions. [2021-11-17 09:22:10,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 09:22:10,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 148 [2021-11-17 09:22:10,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:22:10,154 INFO L225 Difference]: With dead ends: 6561 [2021-11-17 09:22:10,154 INFO L226 Difference]: Without dead ends: 6559 [2021-11-17 09:22:10,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-17 09:22:10,158 INFO L933 BasicCegarLoop]: 6084 mSDtfsCounter, 4021 mSDsluCounter, 14746 mSDsCounter, 0 mSdLazyCounter, 4992 mSolverCounterSat, 1341 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4519 SdHoareTripleChecker+Valid, 20830 SdHoareTripleChecker+Invalid, 6355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1341 IncrementalHoareTripleChecker+Valid, 4992 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 94.7s IncrementalHoareTripleChecker+Time [2021-11-17 09:22:10,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4519 Valid, 20830 Invalid, 6355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1341 Valid, 4992 Invalid, 22 Unknown, 0 Unchecked, 94.7s Time] [2021-11-17 09:22:10,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6559 states. [2021-11-17 09:22:10,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6559 to 6481. [2021-11-17 09:22:10,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6481 states, 4671 states have (on average 1.3288375080282595) internal successors, (6207), 4698 states have internal predecessors, (6207), 1433 states have call successors, (1433), 375 states have call predecessors, (1433), 375 states have return successors, (1433), 1432 states have call predecessors, (1433), 1433 states have call successors, (1433) [2021-11-17 09:22:10,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6481 states to 6481 states and 9073 transitions. [2021-11-17 09:22:10,404 INFO L78 Accepts]: Start accepts. Automaton has 6481 states and 9073 transitions. Word has length 148 [2021-11-17 09:22:10,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:22:10,405 INFO L470 AbstractCegarLoop]: Abstraction has 6481 states and 9073 transitions. [2021-11-17 09:22:10,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-17 09:22:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 6481 states and 9073 transitions. [2021-11-17 09:22:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-17 09:22:10,409 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:22:10,410 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 09:22:10,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 09:22:10,410 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 1 more)] === [2021-11-17 09:22:10,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:22:10,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1134327731, now seen corresponding path program 1 times [2021-11-17 09:22:10,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:22:10,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694838053] [2021-11-17 09:22:10,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:22:10,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:22:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 09:22:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:22:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 09:22:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:22:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:22:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:22:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 09:22:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:22:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:22:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:22:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 09:22:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:22:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:22:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:22:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 09:22:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 09:22:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:22:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 09:22:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 09:22:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 09:22:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 09:22:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:22:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 09:22:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:22:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 09:22:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 09:22:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 09:22:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:22:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-11-17 09:22:11,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:22:11,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694838053] [2021-11-17 09:22:11,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694838053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:22:11,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:22:11,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 09:22:11,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440236237] [2021-11-17 09:22:11,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:22:11,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 09:22:11,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:22:11,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 09:22:11,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 09:22:11,977 INFO L87 Difference]: Start difference. First operand 6481 states and 9073 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 09:22:14,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:22:16,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:22:18,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:22:26,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:22:29,424 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:22:32,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:22:34,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:22:36,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:22:39,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:23:16,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:23:30,081 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:23:32,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:23:37,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:23:40,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:23:47,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:23:51,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:23:53,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:23:55,687 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:01,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:06,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:11,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:20,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:28,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:30,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:33,077 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:37,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:39,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:41,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:46,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:48,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:51,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:53,386 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:24:56,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:00,918 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:03,098 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:05,393 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:08,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:10,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:12,584 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:16,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:27,426 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:30,386 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:33,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:37,600 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:39,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:44,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:25:44,376 INFO L93 Difference]: Finished difference Result 7042 states and 9826 transitions. [2021-11-17 09:25:44,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 09:25:44,377 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 177 [2021-11-17 09:25:44,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:25:44,401 INFO L225 Difference]: With dead ends: 7042 [2021-11-17 09:25:44,402 INFO L226 Difference]: Without dead ends: 7040 [2021-11-17 09:25:44,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-17 09:25:44,405 INFO L933 BasicCegarLoop]: 4484 mSDtfsCounter, 5926 mSDsluCounter, 5215 mSDsCounter, 0 mSdLazyCounter, 14544 mSolverCounterSat, 3552 mSolverCounterUnsat, 45 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 193.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6301 SdHoareTripleChecker+Valid, 9699 SdHoareTripleChecker+Invalid, 18141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3552 IncrementalHoareTripleChecker+Valid, 14544 IncrementalHoareTripleChecker+Invalid, 45 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 210.5s IncrementalHoareTripleChecker+Time [2021-11-17 09:25:44,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6301 Valid, 9699 Invalid, 18141 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3552 Valid, 14544 Invalid, 45 Unknown, 0 Unchecked, 210.5s Time] [2021-11-17 09:25:44,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7040 states. [2021-11-17 09:25:44,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7040 to 6962. [2021-11-17 09:25:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6962 states, 5025 states have (on average 1.3269651741293533) internal successors, (6668), 5054 states have internal predecessors, (6668), 1519 states have call successors, (1519), 416 states have call predecessors, (1519), 416 states have return successors, (1519), 1518 states have call predecessors, (1519), 1519 states have call successors, (1519) [2021-11-17 09:25:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6962 states to 6962 states and 9706 transitions. [2021-11-17 09:25:44,662 INFO L78 Accepts]: Start accepts. Automaton has 6962 states and 9706 transitions. Word has length 177 [2021-11-17 09:25:44,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:25:44,662 INFO L470 AbstractCegarLoop]: Abstraction has 6962 states and 9706 transitions. [2021-11-17 09:25:44,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 09:25:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 6962 states and 9706 transitions. [2021-11-17 09:25:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-17 09:25:44,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:25:44,667 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 09:25:44,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 09:25:44,667 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 1 more)] === [2021-11-17 09:25:44,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:25:44,668 INFO L85 PathProgramCache]: Analyzing trace with hash -741046736, now seen corresponding path program 1 times [2021-11-17 09:25:44,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:25:44,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991767286] [2021-11-17 09:25:44,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:25:44,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:25:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 09:25:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:25:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 09:25:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:25:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:25:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:25:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 09:25:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:25:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:25:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:25:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 09:25:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:25:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:25:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:25:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 09:25:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 09:25:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:25:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 09:25:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 09:25:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 09:25:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 09:25:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:25:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 09:25:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:45,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 09:25:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 09:25:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-17 09:25:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:25:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-11-17 09:25:46,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:25:46,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991767286] [2021-11-17 09:25:46,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991767286] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:25:46,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:25:46,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 09:25:46,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096371728] [2021-11-17 09:25:46,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:25:46,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 09:25:46,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:25:46,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 09:25:46,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 09:25:46,146 INFO L87 Difference]: Start difference. First operand 6962 states and 9706 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 09:25:48,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:50,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:54,108 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:25:57,188 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:26:00,698 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:26:03,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:26:05,590 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:26:07,844 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:26:37,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:26:44,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:26:46,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:26:49,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:26:51,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:26:56,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:26:58,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:02,881 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:05,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:07,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:10,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:14,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:17,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:22,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:26,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:29,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:32,213 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:34,492 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:36,850 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:39,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:42,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:45,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:47,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:27:57,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:28:04,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:28:04,652 INFO L93 Difference]: Finished difference Result 13343 states and 19060 transitions. [2021-11-17 09:28:04,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 09:28:04,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 185 [2021-11-17 09:28:04,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:28:04,731 INFO L225 Difference]: With dead ends: 13343 [2021-11-17 09:28:04,731 INFO L226 Difference]: Without dead ends: 13341 [2021-11-17 09:28:04,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-11-17 09:28:04,744 INFO L933 BasicCegarLoop]: 5155 mSDtfsCounter, 6879 mSDsluCounter, 16480 mSDsCounter, 0 mSdLazyCounter, 7935 mSolverCounterSat, 4097 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7451 SdHoareTripleChecker+Valid, 21635 SdHoareTripleChecker+Invalid, 12063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4097 IncrementalHoareTripleChecker+Valid, 7935 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.5s IncrementalHoareTripleChecker+Time [2021-11-17 09:28:04,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7451 Valid, 21635 Invalid, 12063 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4097 Valid, 7935 Invalid, 31 Unknown, 0 Unchecked, 136.5s Time] [2021-11-17 09:28:04,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13341 states. [2021-11-17 09:28:05,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13341 to 12299. [2021-11-17 09:28:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12299 states, 8853 states have (on average 1.3239579803456456) internal successors, (11721), 8887 states have internal predecessors, (11721), 2712 states have call successors, (2712), 712 states have call predecessors, (2712), 732 states have return successors, (2835), 2748 states have call predecessors, (2835), 2712 states have call successors, (2835) [2021-11-17 09:28:05,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12299 states to 12299 states and 17268 transitions. [2021-11-17 09:28:05,419 INFO L78 Accepts]: Start accepts. Automaton has 12299 states and 17268 transitions. Word has length 185 [2021-11-17 09:28:05,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:28:05,420 INFO L470 AbstractCegarLoop]: Abstraction has 12299 states and 17268 transitions. [2021-11-17 09:28:05,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 09:28:05,420 INFO L276 IsEmpty]: Start isEmpty. Operand 12299 states and 17268 transitions. [2021-11-17 09:28:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-17 09:28:05,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:28:05,424 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 09:28:05,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 09:28:05,425 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 1 more)] === [2021-11-17 09:28:05,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:28:05,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1945024272, now seen corresponding path program 1 times [2021-11-17 09:28:05,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:28:05,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925268371] [2021-11-17 09:28:05,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:28:05,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:28:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 09:28:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:28:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 09:28:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:28:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:28:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:28:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 09:28:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:28:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:28:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:28:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 09:28:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:28:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:28:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:28:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 09:28:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 09:28:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:28:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 09:28:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 09:28:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 09:28:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 09:28:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:28:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 09:28:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 09:28:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 09:28:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-17 09:28:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 09:28:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:28:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 09:28:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 09:28:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:28:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-11-17 09:28:07,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:28:07,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925268371] [2021-11-17 09:28:07,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925268371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:28:07,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:28:07,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 09:28:07,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834743031] [2021-11-17 09:28:07,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:28:07,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 09:28:07,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:28:07,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 09:28:07,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-17 09:28:07,194 INFO L87 Difference]: Start difference. First operand 12299 states and 17268 transitions. Second operand has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2021-11-17 09:28:09,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:28:11,598 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:28:13,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:28:18,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:28:25,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:28:28,238 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:28:30,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:28:33,043 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15