./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_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 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 12:20:52,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 12:20:52,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 12:20:52,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 12:20:52,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 12:20:52,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 12:20:52,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 12:20:52,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 12:20:52,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 12:20:52,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 12:20:52,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 12:20:52,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 12:20:52,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 12:20:52,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 12:20:52,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 12:20:52,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 12:20:52,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 12:20:52,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 12:20:52,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 12:20:52,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 12:20:52,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 12:20:52,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 12:20:52,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 12:20:52,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 12:20:52,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 12:20:52,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 12:20:52,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 12:20:52,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 12:20:52,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 12:20:52,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 12:20:52,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 12:20:52,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 12:20:52,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 12:20:52,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 12:20:52,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 12:20:52,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 12:20:52,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 12:20:52,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 12:20:52,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 12:20:52,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 12:20:52,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 12:20:52,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 12:20:52,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 12:20:52,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 12:20:52,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 12:20:52,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 12:20:52,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 12:20:52,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 12:20:52,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 12:20:52,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 12:20:52,837 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 12:20:52,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 12:20:52,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 12:20:52,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 12:20:52,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 12:20:52,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 12:20:52,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 12:20:52,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 12:20:52,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 12:20:52,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 12:20:52,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 12:20:52,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 12:20:52,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 12:20:52,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 12:20:52,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 12:20:52,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 12:20:52,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 12:20:52,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 12:20:52,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 12:20:52,840 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 12:20:52,840 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 12:20:52,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 12:20:52,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 12:20:52,841 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3d1583250bab7d5c6e3cae163663e7ac3704cf0fb6c32d7f6b8a0a0c30f1a49 [2021-12-18 12:20:53,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 12:20:53,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 12:20:53,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 12:20:53,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 12:20:53,050 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 12:20:53,051 INFO L432 ainManager$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 [2021-12-18 12:20:53,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1efaab35/f00972e21a814f6281ec2a8d9b082261/FLAGa8a44314b [2021-12-18 12:20:53,856 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 12:20:53,856 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 [2021-12-18 12:20:53,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1efaab35/f00972e21a814f6281ec2a8d9b082261/FLAGa8a44314b [2021-12-18 12:20:54,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1efaab35/f00972e21a814f6281ec2a8d9b082261 [2021-12-18 12:20:54,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 12:20:54,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 12:20:54,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 12:20:54,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 12:20:54,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 12:20:54,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:20:54" (1/1) ... [2021-12-18 12:20:54,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1747b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:20:54, skipping insertion in model container [2021-12-18 12:20:54,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:20:54" (1/1) ... [2021-12-18 12:20:54,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 12:20:54,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 12:20:59,675 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] [2021-12-18 12:20:59,678 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] [2021-12-18 12:20:59,678 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] [2021-12-18 12:20:59,679 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] [2021-12-18 12:20:59,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 12:20:59,802 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 12:21:00,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752340,752353] [2021-12-18 12:21:00,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752506,752519] [2021-12-18 12:21:00,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752670,752683] [2021-12-18 12:21:00,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752835,752848] [2021-12-18 12:21:00,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 12:21:00,611 INFO L208 MainTranslator]: Completed translation [2021-12-18 12:21:00,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:00 WrapperNode [2021-12-18 12:21:00,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 12:21:00,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 12:21:00,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 12:21:00,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 12:21:00,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:00" (1/1) ... [2021-12-18 12:21:00,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:00" (1/1) ... [2021-12-18 12:21:01,117 INFO L137 Inliner]: procedures = 660, calls = 11540, calls flagged for inlining = 344, calls inlined = 236, statements flattened = 12774 [2021-12-18 12:21:01,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 12:21:01,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 12:21:01,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 12:21:01,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 12:21:01,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:00" (1/1) ... [2021-12-18 12:21:01,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:00" (1/1) ... [2021-12-18 12:21:01,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:00" (1/1) ... [2021-12-18 12:21:01,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:00" (1/1) ... [2021-12-18 12:21:01,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:00" (1/1) ... [2021-12-18 12:21:01,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:00" (1/1) ... [2021-12-18 12:21:01,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:00" (1/1) ... [2021-12-18 12:21:01,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 12:21:01,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 12:21:01,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 12:21:01,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 12:21:01,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:00" (1/1) ... [2021-12-18 12:21:01,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 12:21:01,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 12:21:01,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 12:21:01,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 12:21:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 12:21:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 12:21:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 12:21:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 12:21:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2021-12-18 12:21:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2021-12-18 12:21:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2021-12-18 12:21:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2021-12-18 12:21:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2021-12-18 12:21:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2021-12-18 12:21:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 12:21:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 12:21:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 12:21:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 12:21:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-12-18 12:21:01,817 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-12-18 12:21:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2021-12-18 12:21:01,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2021-12-18 12:21:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2021-12-18 12:21:01,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2021-12-18 12:21:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 12:21:01,817 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 12:21:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-18 12:21:01,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-18 12:21:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2021-12-18 12:21:01,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2021-12-18 12:21:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2021-12-18 12:21:01,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2021-12-18 12:21:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 12:21:01,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 12:21:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 12:21:01,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 12:21:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 12:21:01,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 12:21:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 12:21:01,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 12:21:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 12:21:01,819 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 12:21:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 12:21:01,820 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 12:21:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2021-12-18 12:21:01,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2021-12-18 12:21:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 12:21:01,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 12:21:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-18 12:21:01,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-18 12:21:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 12:21:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 12:21:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2021-12-18 12:21:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2021-12-18 12:21:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2021-12-18 12:21:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2021-12-18 12:21:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2021-12-18 12:21:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2021-12-18 12:21:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 12:21:01,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 12:21:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 12:21:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2021-12-18 12:21:01,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2021-12-18 12:21:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 12:21:01,822 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 12:21:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2021-12-18 12:21:01,823 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2021-12-18 12:21:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 12:21:01,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 12:21:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2021-12-18 12:21:01,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2021-12-18 12:21:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2021-12-18 12:21:01,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2021-12-18 12:21:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 12:21:01,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 12:21:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2021-12-18 12:21:01,824 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2021-12-18 12:21:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 12:21:01,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 12:21:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-12-18 12:21:01,824 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-12-18 12:21:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 12:21:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 12:21:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 12:21:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-18 12:21:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-18 12:21:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 12:21:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2021-12-18 12:21:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2021-12-18 12:21:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 12:21:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 12:21:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2021-12-18 12:21:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2021-12-18 12:21:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 12:21:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 12:21:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 12:21:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2021-12-18 12:21:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2021-12-18 12:21:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2021-12-18 12:21:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2021-12-18 12:21:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 12:21:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 12:21:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 12:21:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 12:21:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 12:21:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 12:21:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 12:21:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 12:21:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 12:21:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 12:21:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 12:21:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 12:21:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2021-12-18 12:21:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2021-12-18 12:21:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 12:21:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 12:21:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2021-12-18 12:21:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2021-12-18 12:21:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2021-12-18 12:21:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2021-12-18 12:21:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2021-12-18 12:21:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2021-12-18 12:21:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2021-12-18 12:21:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2021-12-18 12:21:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 12:21:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 12:21:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2021-12-18 12:21:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2021-12-18 12:21:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 12:21:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 12:21:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-12-18 12:21:01,831 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-12-18 12:21:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 12:21:01,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 12:21:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 12:21:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-18 12:21:01,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-18 12:21:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 12:21:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2021-12-18 12:21:01,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2021-12-18 12:21:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 12:21:01,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 12:21:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2021-12-18 12:21:01,832 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2021-12-18 12:21:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 12:21:01,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 12:21:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2021-12-18 12:21:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2021-12-18 12:21:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 12:21:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 12:21:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 12:21:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 12:21:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2021-12-18 12:21:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2021-12-18 12:21:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2021-12-18 12:21:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2021-12-18 12:21:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-18 12:21:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-18 12:21:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2021-12-18 12:21:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2021-12-18 12:21:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-18 12:21:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-18 12:21:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 12:21:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 12:21:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-12-18 12:21:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-12-18 12:21:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2021-12-18 12:21:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2021-12-18 12:21:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2021-12-18 12:21:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2021-12-18 12:21:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 12:21:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 12:21:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 12:21:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 12:21:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 12:21:01,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 12:21:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2021-12-18 12:21:01,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2021-12-18 12:21:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-18 12:21:01,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-18 12:21:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2021-12-18 12:21:01,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2021-12-18 12:21:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2021-12-18 12:21:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2021-12-18 12:21:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2021-12-18 12:21:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2021-12-18 12:21:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2021-12-18 12:21:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2021-12-18 12:21:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 12:21:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 12:21:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2021-12-18 12:21:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2021-12-18 12:21:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2021-12-18 12:21:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2021-12-18 12:21:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2021-12-18 12:21:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2021-12-18 12:21:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2021-12-18 12:21:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2021-12-18 12:21:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2021-12-18 12:21:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2021-12-18 12:21:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 12:21:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 12:21:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2021-12-18 12:21:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2021-12-18 12:21:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2021-12-18 12:21:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2021-12-18 12:21:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 12:21:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 12:21:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 12:21:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 12:21:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 12:21:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 12:21:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2021-12-18 12:21:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2021-12-18 12:21:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 12:21:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 12:21:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-18 12:21:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-18 12:21:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 12:21:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 12:21:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 12:21:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 12:21:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 12:21:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2021-12-18 12:21:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2021-12-18 12:21:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 12:21:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 12:21:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2021-12-18 12:21:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2021-12-18 12:21:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 12:21:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2021-12-18 12:21:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2021-12-18 12:21:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2021-12-18 12:21:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2021-12-18 12:21:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2021-12-18 12:21:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2021-12-18 12:21:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2021-12-18 12:21:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2021-12-18 12:21:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2021-12-18 12:21:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2021-12-18 12:21:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-18 12:21:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-18 12:21:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 12:21:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2021-12-18 12:21:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2021-12-18 12:21:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-18 12:21:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-18 12:21:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 12:21:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 12:21:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2021-12-18 12:21:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2021-12-18 12:21:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2021-12-18 12:21:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2021-12-18 12:21:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 12:21:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 12:21:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2021-12-18 12:21:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2021-12-18 12:21:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 12:21:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 12:21:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 12:21:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 12:21:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 12:21:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 12:21:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2021-12-18 12:21:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2021-12-18 12:21:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2021-12-18 12:21:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2021-12-18 12:21:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2021-12-18 12:21:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2021-12-18 12:21:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-18 12:21:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-18 12:21:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2021-12-18 12:21:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2021-12-18 12:21:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 12:21:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 12:21:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-18 12:21:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-18 12:21:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 12:21:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 12:21:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 12:21:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 12:21:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-12-18 12:21:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-12-18 12:21:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2021-12-18 12:21:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2021-12-18 12:21:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2021-12-18 12:21:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2021-12-18 12:21:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-12-18 12:21:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-12-18 12:21:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 12:21:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 12:21:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 12:21:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 12:21:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 12:21:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2021-12-18 12:21:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2021-12-18 12:21:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 12:21:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 12:21:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2021-12-18 12:21:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2021-12-18 12:21:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2021-12-18 12:21:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2021-12-18 12:21:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 12:21:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 12:21:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2021-12-18 12:21:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2021-12-18 12:21:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 12:21:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 12:21:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2021-12-18 12:21:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2021-12-18 12:21:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 12:21:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 12:21:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 12:21:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 12:21:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2021-12-18 12:21:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2021-12-18 12:21:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2021-12-18 12:21:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2021-12-18 12:21:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2021-12-18 12:21:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2021-12-18 12:21:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 12:21:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 12:21:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 12:21:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 12:21:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 12:21:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 12:21:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 12:21:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 12:21:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 12:21:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 12:21:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2021-12-18 12:21:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2021-12-18 12:21:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 12:21:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 12:21:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2021-12-18 12:21:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2021-12-18 12:21:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-18 12:21:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2021-12-18 12:21:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2021-12-18 12:21:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2021-12-18 12:21:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2021-12-18 12:21:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 12:21:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2021-12-18 12:21:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2021-12-18 12:21:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2021-12-18 12:21:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2021-12-18 12:21:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 12:21:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 12:21:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-18 12:21:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-18 12:21:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2021-12-18 12:21:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2021-12-18 12:21:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2021-12-18 12:21:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2021-12-18 12:21:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-18 12:21:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-18 12:21:02,858 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 12:21:02,861 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 12:21:15,288 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 12:23:21,865 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 12:23:21,896 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 12:23:21,897 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-18 12:23:21,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:23:21 BoogieIcfgContainer [2021-12-18 12:23:21,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 12:23:21,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 12:23:21,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 12:23:21,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 12:23:21,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 12:20:54" (1/3) ... [2021-12-18 12:23:21,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbd346c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:23:21, skipping insertion in model container [2021-12-18 12:23:21,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:00" (2/3) ... [2021-12-18 12:23:21,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbd346c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:23:21, skipping insertion in model container [2021-12-18 12:23:21,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:23:21" (3/3) ... [2021-12-18 12:23:21,911 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-12-18 12:23:21,916 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 12:23:21,916 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 12:23:22,001 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 12:23:22,007 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 12:23:22,007 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 12:23:22,079 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) [2021-12-18 12:23:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-18 12:23:22,084 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:23:22,085 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] [2021-12-18 12:23:22,086 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)] === [2021-12-18 12:23:22,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:23:22,090 INFO L85 PathProgramCache]: Analyzing trace with hash -624771986, now seen corresponding path program 1 times [2021-12-18 12:23:22,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:23:22,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109525079] [2021-12-18 12:23:22,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:23:22,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:23:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:23:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:23,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:23:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:23,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:23:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:23:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:23,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:23:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:23:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:23,525 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 12:23:23,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:23:23,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109525079] [2021-12-18 12:23:23,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109525079] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:23:23,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:23:23,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:23:23,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154684552] [2021-12-18 12:23:23,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:23:23,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:23:23,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:23:23,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:23:23,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:23:23,563 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) [2021-12-18 12:23:24,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:23:24,423 INFO L93 Difference]: Finished difference Result 8866 states and 13377 transitions. [2021-12-18 12:23:24,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:23:24,426 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 [2021-12-18 12:23:24,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:23:24,485 INFO L225 Difference]: With dead ends: 8866 [2021-12-18 12:23:24,486 INFO L226 Difference]: Without dead ends: 5391 [2021-12-18 12:23:24,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:23:24,539 INFO L933 BasicCegarLoop]: 6781 mSDtfsCounter, 4779 mSDsluCounter, 16443 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 12:23:24,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4784 Valid, 23224 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 12:23:24,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5391 states. [2021-12-18 12:23:24,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5391 to 5387. [2021-12-18 12:23:24,930 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) [2021-12-18 12:23:24,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 5387 states and 7674 transitions. [2021-12-18 12:23:24,978 INFO L78 Accepts]: Start accepts. Automaton has 5387 states and 7674 transitions. Word has length 51 [2021-12-18 12:23:24,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:23:24,979 INFO L470 AbstractCegarLoop]: Abstraction has 5387 states and 7674 transitions. [2021-12-18 12:23:24,979 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) [2021-12-18 12:23:24,979 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 7674 transitions. [2021-12-18 12:23:24,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-18 12:23:24,982 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:23:24,982 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] [2021-12-18 12:23:24,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 12:23:24,982 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)] === [2021-12-18 12:23:24,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:23:24,983 INFO L85 PathProgramCache]: Analyzing trace with hash -582986137, now seen corresponding path program 1 times [2021-12-18 12:23:24,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:23:24,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230281515] [2021-12-18 12:23:24,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:23:24,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:23:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:25,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:23:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:23:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:25,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:23:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:25,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:23:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:25,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:23:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:25,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:23:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:25,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:23:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:25,692 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 12:23:25,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:23:25,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230281515] [2021-12-18 12:23:25,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230281515] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:23:25,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:23:25,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:23:25,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273596693] [2021-12-18 12:23:25,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:23:25,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:23:25,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:23:25,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:23:25,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:23:25,697 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) [2021-12-18 12:23:26,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:23:26,292 INFO L93 Difference]: Finished difference Result 6377 states and 8982 transitions. [2021-12-18 12:23:26,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:23:26,293 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 [2021-12-18 12:23:26,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:23:26,331 INFO L225 Difference]: With dead ends: 6377 [2021-12-18 12:23:26,332 INFO L226 Difference]: Without dead ends: 6375 [2021-12-18 12:23:26,338 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 [2021-12-18 12:23:26,339 INFO L933 BasicCegarLoop]: 5088 mSDtfsCounter, 4797 mSDsluCounter, 10932 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 12:23:26,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4800 Valid, 16020 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 12:23:26,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6375 states. [2021-12-18 12:23:26,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6375 to 6373. [2021-12-18 12:23:26,540 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) [2021-12-18 12:23:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6373 states to 6373 states and 8979 transitions. [2021-12-18 12:23:26,582 INFO L78 Accepts]: Start accepts. Automaton has 6373 states and 8979 transitions. Word has length 56 [2021-12-18 12:23:26,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:23:26,582 INFO L470 AbstractCegarLoop]: Abstraction has 6373 states and 8979 transitions. [2021-12-18 12:23:26,583 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) [2021-12-18 12:23:26,583 INFO L276 IsEmpty]: Start isEmpty. Operand 6373 states and 8979 transitions. [2021-12-18 12:23:26,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-18 12:23:26,589 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:23:26,589 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] [2021-12-18 12:23:26,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 12:23:26,589 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)] === [2021-12-18 12:23:26,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:23:26,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1621219378, now seen corresponding path program 1 times [2021-12-18 12:23:26,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:23:26,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484861619] [2021-12-18 12:23:26,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:23:26,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:23:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:23:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:27,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:23:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:27,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:23:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:23:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:23:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:27,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:23:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:23:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:27,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:23:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-18 12:23:27,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:23:27,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484861619] [2021-12-18 12:23:27,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484861619] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:23:27,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:23:27,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:23:27,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005535945] [2021-12-18 12:23:27,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:23:27,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:23:27,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:23:27,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:23:27,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:23:27,299 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) [2021-12-18 12:23:27,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:23:27,855 INFO L93 Difference]: Finished difference Result 6379 states and 8984 transitions. [2021-12-18 12:23:27,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:23:27,856 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 [2021-12-18 12:23:27,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:23:27,892 INFO L225 Difference]: With dead ends: 6379 [2021-12-18 12:23:27,893 INFO L226 Difference]: Without dead ends: 6377 [2021-12-18 12:23:27,897 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 [2021-12-18 12:23:27,900 INFO L933 BasicCegarLoop]: 4937 mSDtfsCounter, 4913 mSDsluCounter, 9862 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 12:23:27,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4915 Valid, 14799 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 12:23:27,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6377 states. [2021-12-18 12:23:28,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6377 to 6377. [2021-12-18 12:23:28,228 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) [2021-12-18 12:23:28,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6377 states to 6377 states and 8982 transitions. [2021-12-18 12:23:28,257 INFO L78 Accepts]: Start accepts. Automaton has 6377 states and 8982 transitions. Word has length 61 [2021-12-18 12:23:28,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:23:28,258 INFO L470 AbstractCegarLoop]: Abstraction has 6377 states and 8982 transitions. [2021-12-18 12:23:28,258 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) [2021-12-18 12:23:28,258 INFO L276 IsEmpty]: Start isEmpty. Operand 6377 states and 8982 transitions. [2021-12-18 12:23:28,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-18 12:23:28,261 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:23:28,261 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] [2021-12-18 12:23:28,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 12:23:28,261 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)] === [2021-12-18 12:23:28,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:23:28,262 INFO L85 PathProgramCache]: Analyzing trace with hash -65325433, now seen corresponding path program 1 times [2021-12-18 12:23:28,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:23:28,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180074276] [2021-12-18 12:23:28,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:23:28,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:23:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:28,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:23:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:28,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:23:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:23:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:23:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:23:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:28,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:23:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:23:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:28,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:23:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:23:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:28,908 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 12:23:28,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:23:28,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180074276] [2021-12-18 12:23:28,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180074276] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:23:28,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:23:28,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:23:28,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469021368] [2021-12-18 12:23:28,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:23:28,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:23:28,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:23:28,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:23:28,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:23:28,911 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) [2021-12-18 12:23:29,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:23:29,486 INFO L93 Difference]: Finished difference Result 6383 states and 8987 transitions. [2021-12-18 12:23:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:23:29,487 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 [2021-12-18 12:23:29,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:23:29,513 INFO L225 Difference]: With dead ends: 6383 [2021-12-18 12:23:29,513 INFO L226 Difference]: Without dead ends: 6379 [2021-12-18 12:23:29,517 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 [2021-12-18 12:23:29,518 INFO L933 BasicCegarLoop]: 4937 mSDtfsCounter, 4913 mSDsluCounter, 9862 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2021-12-18 12:23:29,519 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] [2021-12-18 12:23:29,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6379 states. [2021-12-18 12:23:29,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6379 to 6379. [2021-12-18 12:23:29,707 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) [2021-12-18 12:23:29,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6379 states to 6379 states and 8983 transitions. [2021-12-18 12:23:29,750 INFO L78 Accepts]: Start accepts. Automaton has 6379 states and 8983 transitions. Word has length 66 [2021-12-18 12:23:29,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:23:29,752 INFO L470 AbstractCegarLoop]: Abstraction has 6379 states and 8983 transitions. [2021-12-18 12:23:29,753 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) [2021-12-18 12:23:29,753 INFO L276 IsEmpty]: Start isEmpty. Operand 6379 states and 8983 transitions. [2021-12-18 12:23:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-18 12:23:29,754 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:23:29,754 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] [2021-12-18 12:23:29,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 12:23:29,755 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)] === [2021-12-18 12:23:29,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:23:29,755 INFO L85 PathProgramCache]: Analyzing trace with hash 757369646, now seen corresponding path program 1 times [2021-12-18 12:23:29,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:23:29,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937866112] [2021-12-18 12:23:29,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:23:29,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:23:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:23:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:23:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:30,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:23:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:23:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:23:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:23:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:23:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:23:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:30,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:23:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:23:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-18 12:23:30,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:23:30,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937866112] [2021-12-18 12:23:30,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937866112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:23:30,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:23:30,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:23:30,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041736611] [2021-12-18 12:23:30,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:23:30,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:23:30,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:23:30,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:23:30,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:23:30,391 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) [2021-12-18 12:23:30,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:23:30,861 INFO L93 Difference]: Finished difference Result 6379 states and 8983 transitions. [2021-12-18 12:23:30,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:23:30,862 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 [2021-12-18 12:23:30,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:23:30,908 INFO L225 Difference]: With dead ends: 6379 [2021-12-18 12:23:30,909 INFO L226 Difference]: Without dead ends: 5995 [2021-12-18 12:23:30,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:23:30,916 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, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 12:23:30,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4909 Valid, 14796 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 12:23:30,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5995 states. [2021-12-18 12:23:31,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5995 to 5995. [2021-12-18 12:23:31,222 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) [2021-12-18 12:23:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5995 states to 5995 states and 8435 transitions. [2021-12-18 12:23:31,258 INFO L78 Accepts]: Start accepts. Automaton has 5995 states and 8435 transitions. Word has length 71 [2021-12-18 12:23:31,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:23:31,258 INFO L470 AbstractCegarLoop]: Abstraction has 5995 states and 8435 transitions. [2021-12-18 12:23:31,258 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) [2021-12-18 12:23:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 5995 states and 8435 transitions. [2021-12-18 12:23:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-18 12:23:31,262 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:23:31,262 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] [2021-12-18 12:23:31,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 12:23:31,262 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)] === [2021-12-18 12:23:31,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:23:31,266 INFO L85 PathProgramCache]: Analyzing trace with hash -154440440, now seen corresponding path program 1 times [2021-12-18 12:23:31,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:23:31,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962742660] [2021-12-18 12:23:31,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:23:31,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:23:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:31,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:23:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:31,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:23:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:23:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:23:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:23:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:23:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:23:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:23:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:23:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:23:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:23:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:23:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:23:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:23:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:23:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 12:23:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:23:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:23:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-12-18 12:23:32,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:23:32,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962742660] [2021-12-18 12:23:32,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962742660] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:23:32,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:23:32,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 12:23:32,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334908314] [2021-12-18 12:23:32,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:23:32,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 12:23:32,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:23:32,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 12:23:32,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 12:23:32,216 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) [2021-12-18 12:23:35,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:23:37,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:23:40,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:23:55,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:23:57,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:00,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:02,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:05,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:08,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:10,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:13,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:15,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:18,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:21,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:23,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:26,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:28,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:31,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:24:31,314 INFO L93 Difference]: Finished difference Result 12117 states and 17063 transitions. [2021-12-18 12:24:31,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 12:24:31,315 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 [2021-12-18 12:24:31,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:24:31,346 INFO L225 Difference]: With dead ends: 12117 [2021-12-18 12:24:31,346 INFO L226 Difference]: Without dead ends: 6140 [2021-12-18 12:24:31,370 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 [2021-12-18 12:24:31,371 INFO L933 BasicCegarLoop]: 4229 mSDtfsCounter, 1058 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 778 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 9367 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 778 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.5s IncrementalHoareTripleChecker+Time [2021-12-18 12:24:31,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1292 Valid, 9367 Invalid, 2753 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [778 Valid, 1958 Invalid, 17 Unknown, 0 Unchecked, 58.5s Time] [2021-12-18 12:24:31,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6140 states. [2021-12-18 12:24:31,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6140 to 5996. [2021-12-18 12:24:31,527 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) [2021-12-18 12:24:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5996 states to 5996 states and 8436 transitions. [2021-12-18 12:24:31,547 INFO L78 Accepts]: Start accepts. Automaton has 5996 states and 8436 transitions. Word has length 122 [2021-12-18 12:24:31,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:24:31,547 INFO L470 AbstractCegarLoop]: Abstraction has 5996 states and 8436 transitions. [2021-12-18 12:24:31,548 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) [2021-12-18 12:24:31,548 INFO L276 IsEmpty]: Start isEmpty. Operand 5996 states and 8436 transitions. [2021-12-18 12:24:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-12-18 12:24:31,550 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:24:31,551 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] [2021-12-18 12:24:31,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 12:24:31,551 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)] === [2021-12-18 12:24:31,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:24:31,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1692262216, now seen corresponding path program 1 times [2021-12-18 12:24:31,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:24:31,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995032141] [2021-12-18 12:24:31,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:24:31,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:24:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:24:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:24:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:24:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:24:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:24:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:24:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:24:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:24:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:24:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:24:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:24:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:24:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:24:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:24:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:24:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 12:24:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:24:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 12:24:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:24:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:24:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-12-18 12:24:32,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:24:32,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995032141] [2021-12-18 12:24:32,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995032141] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:24:32,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:24:32,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 12:24:32,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880827431] [2021-12-18 12:24:32,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:24:32,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 12:24:32,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:24:32,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 12:24:32,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 12:24:32,480 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) [2021-12-18 12:24:37,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:39,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:42,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:53,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:24:57,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:00,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:02,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:05,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:08,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:10,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:12,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:15,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:17,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:20,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:23,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:25,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:27,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:30,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:32,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:25:32,318 INFO L93 Difference]: Finished difference Result 12119 states and 17065 transitions. [2021-12-18 12:25:32,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 12:25:32,319 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 [2021-12-18 12:25:32,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:25:32,348 INFO L225 Difference]: With dead ends: 12119 [2021-12-18 12:25:32,348 INFO L226 Difference]: Without dead ends: 6141 [2021-12-18 12:25:32,374 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 [2021-12-18 12:25:32,374 INFO L933 BasicCegarLoop]: 4230 mSDtfsCounter, 1064 mSDsluCounter, 5140 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 781 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 9370 SdHoareTripleChecker+Invalid, 2754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 781 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.3s IncrementalHoareTripleChecker+Time [2021-12-18 12:25:32,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1300 Valid, 9370 Invalid, 2754 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [781 Valid, 1955 Invalid, 18 Unknown, 0 Unchecked, 59.3s Time] [2021-12-18 12:25:32,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6141 states. [2021-12-18 12:25:32,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6141 to 5996. [2021-12-18 12:25:32,543 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) [2021-12-18 12:25:32,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5996 states to 5996 states and 8436 transitions. [2021-12-18 12:25:32,564 INFO L78 Accepts]: Start accepts. Automaton has 5996 states and 8436 transitions. Word has length 137 [2021-12-18 12:25:32,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:25:32,566 INFO L470 AbstractCegarLoop]: Abstraction has 5996 states and 8436 transitions. [2021-12-18 12:25:32,566 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) [2021-12-18 12:25:32,566 INFO L276 IsEmpty]: Start isEmpty. Operand 5996 states and 8436 transitions. [2021-12-18 12:25:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-18 12:25:32,568 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:25:32,568 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] [2021-12-18 12:25:32,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 12:25:32,568 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)] === [2021-12-18 12:25:32,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:25:32,569 INFO L85 PathProgramCache]: Analyzing trace with hash 484581859, now seen corresponding path program 1 times [2021-12-18 12:25:32,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:25:32,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693774017] [2021-12-18 12:25:32,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:25:32,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:25:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:25:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:25:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:25:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:25:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:25:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:25:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:25:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:25:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:25:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:25:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:25:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:25:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:25:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:25:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:25:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 12:25:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:25:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:25:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 12:25:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 12:25:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 12:25:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:25:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:25:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-18 12:25:33,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:25:33,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693774017] [2021-12-18 12:25:33,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693774017] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:25:33,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:25:33,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 12:25:33,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115449751] [2021-12-18 12:25:33,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:25:33,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 12:25:33,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:25:33,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 12:25:33,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 12:25:33,489 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) [2021-12-18 12:25:39,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:41,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:25:44,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:05,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:07,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:12,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:14,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:17,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:20,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:23,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:26,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:28,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:31,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:33,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:36,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:39,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:44,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:46,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:49,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:52,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:26:55,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:27:03,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:27:05,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:27:06,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:27:06,901 INFO L93 Difference]: Finished difference Result 6561 states and 9193 transitions. [2021-12-18 12:27:06,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 12:27:06,902 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 [2021-12-18 12:27:06,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:27:06,926 INFO L225 Difference]: With dead ends: 6561 [2021-12-18 12:27:06,926 INFO L226 Difference]: Without dead ends: 6559 [2021-12-18 12:27:06,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-18 12:27:06,930 INFO L933 BasicCegarLoop]: 6083 mSDtfsCounter, 4021 mSDsluCounter, 14743 mSDsCounter, 0 mSdLazyCounter, 4991 mSolverCounterSat, 1341 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4520 SdHoareTripleChecker+Valid, 20826 SdHoareTripleChecker+Invalid, 6355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1341 IncrementalHoareTripleChecker+Valid, 4991 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.4s IncrementalHoareTripleChecker+Time [2021-12-18 12:27:06,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4520 Valid, 20826 Invalid, 6355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1341 Valid, 4991 Invalid, 23 Unknown, 0 Unchecked, 92.4s Time] [2021-12-18 12:27:06,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6559 states. [2021-12-18 12:27:07,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6559 to 6481. [2021-12-18 12:27:07,097 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) [2021-12-18 12:27:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6481 states to 6481 states and 9073 transitions. [2021-12-18 12:27:07,120 INFO L78 Accepts]: Start accepts. Automaton has 6481 states and 9073 transitions. Word has length 148 [2021-12-18 12:27:07,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:27:07,121 INFO L470 AbstractCegarLoop]: Abstraction has 6481 states and 9073 transitions. [2021-12-18 12:27:07,121 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) [2021-12-18 12:27:07,121 INFO L276 IsEmpty]: Start isEmpty. Operand 6481 states and 9073 transitions. [2021-12-18 12:27:07,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-18 12:27:07,124 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:27:07,124 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] [2021-12-18 12:27:07,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 12:27:07,125 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)] === [2021-12-18 12:27:07,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:27:07,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1134327731, now seen corresponding path program 1 times [2021-12-18 12:27:07,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:27:07,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018862743] [2021-12-18 12:27:07,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:27:07,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:27:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:27:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:27:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:07,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:27:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:27:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:07,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:27:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:27:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:07,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:27:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:27:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:27:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:27:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:07,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:27:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:27:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:27:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:27:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:27:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 12:27:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:27:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:27:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 12:27:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 12:27:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 12:27:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:27:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 12:27:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:27:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 12:27:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 12:27:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 12:27:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:27:08,200 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-18 12:27:08,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:27:08,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018862743] [2021-12-18 12:27:08,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018862743] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:27:08,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:27:08,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:27:08,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011186376] [2021-12-18 12:27:08,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:27:08,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:27:08,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:27:08,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:27:08,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:27:08,203 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) [2021-12-18 12:27:16,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:27:18,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:27:21,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:27:23,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:27:25,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:27:28,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:02,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:16,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:18,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:22,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:25,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:33,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:37,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:39,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:41,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:47,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:49,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:54,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:28:59,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:08,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:16,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:18,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:20,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:24,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:26,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:28,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:33,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:35,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:37,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:40,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:43,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:47,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:50,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:52,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:55,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:57,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:29:59,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:30:03,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:30:13,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:30:16,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:30:20,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:30:24,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:30:26,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:30:31,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:30:31,140 INFO L93 Difference]: Finished difference Result 7042 states and 9826 transitions. [2021-12-18 12:30:31,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 12:30:31,141 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 [2021-12-18 12:30:31,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:30:31,192 INFO L225 Difference]: With dead ends: 7042 [2021-12-18 12:30:31,193 INFO L226 Difference]: Without dead ends: 7040 [2021-12-18 12:30:31,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-12-18 12:30:31,197 INFO L933 BasicCegarLoop]: 4484 mSDtfsCounter, 5926 mSDsluCounter, 5215 mSDsCounter, 0 mSdLazyCounter, 14546 mSolverCounterSat, 3552 mSolverCounterUnsat, 43 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 185.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6301 SdHoareTripleChecker+Valid, 9699 SdHoareTripleChecker+Invalid, 18141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3552 IncrementalHoareTripleChecker+Valid, 14546 IncrementalHoareTripleChecker+Invalid, 43 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 201.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:30:31,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6301 Valid, 9699 Invalid, 18141 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3552 Valid, 14546 Invalid, 43 Unknown, 0 Unchecked, 201.1s Time] [2021-12-18 12:30:31,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7040 states. [2021-12-18 12:30:31,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7040 to 6962. [2021-12-18 12:30:31,353 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) [2021-12-18 12:30:31,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6962 states to 6962 states and 9706 transitions. [2021-12-18 12:30:31,474 INFO L78 Accepts]: Start accepts. Automaton has 6962 states and 9706 transitions. Word has length 177 [2021-12-18 12:30:31,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:30:31,475 INFO L470 AbstractCegarLoop]: Abstraction has 6962 states and 9706 transitions. [2021-12-18 12:30:31,475 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) [2021-12-18 12:30:31,475 INFO L276 IsEmpty]: Start isEmpty. Operand 6962 states and 9706 transitions. [2021-12-18 12:30:31,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-18 12:30:31,478 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:30:31,478 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] [2021-12-18 12:30:31,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 12:30:31,478 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)] === [2021-12-18 12:30:31,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:30:31,481 INFO L85 PathProgramCache]: Analyzing trace with hash -741046736, now seen corresponding path program 1 times [2021-12-18 12:30:31,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:30:31,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041261951] [2021-12-18 12:30:31,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:30:31,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:30:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:30:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:30:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:30:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:30:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:30:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:30:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:30:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:30:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:30:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:30:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:30:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:30:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:30:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:30:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:30:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 12:30:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:30:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:30:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 12:30:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 12:30:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 12:30:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:30:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 12:30:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 12:30:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 12:30:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 12:30:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:30:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-18 12:30:32,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:30:32,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041261951] [2021-12-18 12:30:32,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041261951] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:30:32,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:30:32,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:30:32,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849632957] [2021-12-18 12:30:32,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:30:32,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:30:32,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:30:32,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:30:32,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:30:32,631 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) [2021-12-18 12:30:36,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:30:41,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:30:44,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:30:46,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:30:49,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:30:52,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:18,120 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:20,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:27,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:29,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:32,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:34,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:37,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:39,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:42,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:45,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:48,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:52,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:54,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:31:57,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:00,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:03,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:07,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:12,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:16,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:18,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:21,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:24,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:26,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:28,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:31,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:34,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:36,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:39,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:48,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:32:54,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:32:54,386 INFO L93 Difference]: Finished difference Result 13347 states and 19062 transitions. [2021-12-18 12:32:54,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 12:32:54,387 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 [2021-12-18 12:32:54,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:32:54,534 INFO L225 Difference]: With dead ends: 13347 [2021-12-18 12:32:54,534 INFO L226 Difference]: Without dead ends: 13345 [2021-12-18 12:32:54,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-12-18 12:32:54,549 INFO L933 BasicCegarLoop]: 5112 mSDtfsCounter, 6879 mSDsluCounter, 16320 mSDsCounter, 0 mSdLazyCounter, 7938 mSolverCounterSat, 4121 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 128.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7449 SdHoareTripleChecker+Valid, 21432 SdHoareTripleChecker+Invalid, 12092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4121 IncrementalHoareTripleChecker+Valid, 7938 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.8s IncrementalHoareTripleChecker+Time [2021-12-18 12:32:54,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7449 Valid, 21432 Invalid, 12092 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4121 Valid, 7938 Invalid, 33 Unknown, 0 Unchecked, 139.8s Time] [2021-12-18 12:32:54,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13345 states. [2021-12-18 12:32:55,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13345 to 12295. [2021-12-18 12:32:55,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12295 states, 8851 states have (on average 1.3240311829171845) internal successors, (11719), 8883 states have internal predecessors, (11719), 2712 states have call successors, (2712), 712 states have call predecessors, (2712), 730 states have return successors, (2827), 2748 states have call predecessors, (2827), 2712 states have call successors, (2827) [2021-12-18 12:32:55,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12295 states to 12295 states and 17258 transitions. [2021-12-18 12:32:55,060 INFO L78 Accepts]: Start accepts. Automaton has 12295 states and 17258 transitions. Word has length 185 [2021-12-18 12:32:55,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:32:55,062 INFO L470 AbstractCegarLoop]: Abstraction has 12295 states and 17258 transitions. [2021-12-18 12:32:55,062 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) [2021-12-18 12:32:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 12295 states and 17258 transitions. [2021-12-18 12:32:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-12-18 12:32:55,065 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:32:55,065 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] [2021-12-18 12:32:55,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 12:32:55,066 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)] === [2021-12-18 12:32:55,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:32:55,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1945024272, now seen corresponding path program 1 times [2021-12-18 12:32:55,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:32:55,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769636353] [2021-12-18 12:32:55,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:32:55,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:32:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:32:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:32:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:32:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:32:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:32:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:32:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:32:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:32:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:32:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:32:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:32:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:32:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:32:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:32:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:32:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 12:32:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:32:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:32:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 12:32:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 12:32:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 12:32:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:32:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 12:32:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 12:32:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 12:32:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:55,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 12:32:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:56,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 12:32:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:32:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:56,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 12:32:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 12:32:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:32:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-18 12:32:56,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:32:56,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769636353] [2021-12-18 12:32:56,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769636353] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:32:56,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:32:56,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 12:32:56,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063928886] [2021-12-18 12:32:56,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:32:56,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 12:32:56,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:32:56,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 12:32:56,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-18 12:32:56,310 INFO L87 Difference]: Start difference. First operand 12295 states and 17258 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) [2021-12-18 12:33:00,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:33:07,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:33:09,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:33:12,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:33:14,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:33:49,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:33:58,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:01,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:03,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:05,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:12,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:14,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:16,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:19,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:23,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:26,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:30,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:34,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:37,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:39,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:42,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:44,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:47,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:50,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:53,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:55,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:35:01,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:35:01,777 INFO L93 Difference]: Finished difference Result 25604 states and 36404 transitions. [2021-12-18 12:35:01,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 12:35:01,778 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 210 [2021-12-18 12:35:01,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:35:01,850 INFO L225 Difference]: With dead ends: 25604 [2021-12-18 12:35:01,851 INFO L226 Difference]: Without dead ends: 13327 [2021-12-18 12:35:01,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-12-18 12:35:01,891 INFO L933 BasicCegarLoop]: 3845 mSDtfsCounter, 3779 mSDsluCounter, 12233 mSDsCounter, 0 mSdLazyCounter, 8942 mSolverCounterSat, 3120 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 114.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4021 SdHoareTripleChecker+Valid, 16078 SdHoareTripleChecker+Invalid, 12088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3120 IncrementalHoareTripleChecker+Valid, 8942 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 124.0s IncrementalHoareTripleChecker+Time [2021-12-18 12:35:01,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4021 Valid, 16078 Invalid, 12088 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3120 Valid, 8942 Invalid, 26 Unknown, 0 Unchecked, 124.0s Time] [2021-12-18 12:35:01,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13327 states. [2021-12-18 12:35:02,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13327 to 12357. [2021-12-18 12:35:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12357 states, 8893 states have (on average 1.3229506353311593) internal successors, (11765), 8931 states have internal predecessors, (11765), 2720 states have call successors, (2720), 712 states have call predecessors, (2720), 742 states have return successors, (2849), 2762 states have call predecessors, (2849), 2720 states have call successors, (2849) [2021-12-18 12:35:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12357 states to 12357 states and 17334 transitions. [2021-12-18 12:35:02,409 INFO L78 Accepts]: Start accepts. Automaton has 12357 states and 17334 transitions. Word has length 210 [2021-12-18 12:35:02,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:35:02,409 INFO L470 AbstractCegarLoop]: Abstraction has 12357 states and 17334 transitions. [2021-12-18 12:35:02,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-18 12:35:02,409 INFO L276 IsEmpty]: Start isEmpty. Operand 12357 states and 17334 transitions. [2021-12-18 12:35:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-18 12:35:02,412 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:35:02,412 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, 1, 1, 1] [2021-12-18 12:35:02,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 12:35:02,413 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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)] === [2021-12-18 12:35:02,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:35:02,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1066017275, now seen corresponding path program 1 times [2021-12-18 12:35:02,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:35:02,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127836170] [2021-12-18 12:35:02,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:35:02,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:35:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:35:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:35:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:35:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:35:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:35:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:35:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:35:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:35:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:35:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:35:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:35:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:35:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:35:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:35:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:35:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 12:35:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:35:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:35:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 12:35:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 12:35:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 12:35:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:35:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 12:35:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 12:35:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 12:35:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 12:35:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 12:35:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:35:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 12:35:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:35:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:03,835 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-18 12:35:03,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:35:03,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127836170] [2021-12-18 12:35:03,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127836170] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:35:03,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:35:03,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:35:03,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54983935] [2021-12-18 12:35:03,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:35:03,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:35:03,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:35:03,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:35:03,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:35:03,837 INFO L87 Difference]: Start difference. First operand 12357 states and 17334 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Killed by 15