./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-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_complex_emg_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 a726a5193e63c1219bd87d1639e8de22edb997e98056d7c45179f71e6a8d2119 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 10:36:06,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 10:36:06,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 10:36:06,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 10:36:06,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 10:36:06,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 10:36:06,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 10:36:06,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 10:36:06,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 10:36:06,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 10:36:06,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 10:36:06,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 10:36:06,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 10:36:06,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 10:36:06,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 10:36:06,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 10:36:06,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 10:36:06,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 10:36:06,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 10:36:06,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 10:36:06,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 10:36:06,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 10:36:06,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 10:36:06,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 10:36:06,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 10:36:06,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 10:36:06,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 10:36:06,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 10:36:06,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 10:36:06,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 10:36:06,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 10:36:06,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 10:36:06,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 10:36:06,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 10:36:06,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 10:36:06,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 10:36:06,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 10:36:06,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 10:36:06,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 10:36:06,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 10:36:06,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 10:36:06,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 10:36:06,227 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 10:36:06,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 10:36:06,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 10:36:06,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 10:36:06,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 10:36:06,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 10:36:06,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 10:36:06,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 10:36:06,232 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 10:36:06,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 10:36:06,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 10:36:06,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 10:36:06,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 10:36:06,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 10:36:06,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 10:36:06,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 10:36:06,233 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 10:36:06,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 10:36:06,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 10:36:06,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 10:36:06,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 10:36:06,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 10:36:06,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 10:36:06,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 10:36:06,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 10:36:06,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 10:36:06,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 10:36:06,235 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 10:36:06,235 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 10:36:06,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 10:36:06,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 10:36:06,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a726a5193e63c1219bd87d1639e8de22edb997e98056d7c45179f71e6a8d2119 [2021-12-18 10:36:06,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 10:36:06,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 10:36:06,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 10:36:06,408 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 10:36:06,409 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 10:36:06,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-12-18 10:36:06,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4b742277/b44f4055bacc475b97de6469e1ffc63c/FLAG9c0b142aa [2021-12-18 10:36:07,393 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 10:36:07,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-12-18 10:36:07,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4b742277/b44f4055bacc475b97de6469e1ffc63c/FLAG9c0b142aa [2021-12-18 10:36:07,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4b742277/b44f4055bacc475b97de6469e1ffc63c [2021-12-18 10:36:07,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 10:36:07,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 10:36:07,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 10:36:07,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 10:36:07,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 10:36:07,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 10:36:07" (1/1) ... [2021-12-18 10:36:07,960 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 10:36:07, skipping insertion in model container [2021-12-18 10:36:07,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 10:36:07" (1/1) ... [2021-12-18 10:36:07,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 10:36:08,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 10:36:15,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769201,769214] [2021-12-18 10:36:15,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769367,769380] [2021-12-18 10:36:15,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769531,769544] [2021-12-18 10:36:15,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769696,769709] [2021-12-18 10:36:15,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 10:36:15,700 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 10:36:16,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769201,769214] [2021-12-18 10:36:16,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769367,769380] [2021-12-18 10:36:16,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769531,769544] [2021-12-18 10:36:16,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769696,769709] [2021-12-18 10:36:16,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 10:36:16,528 INFO L208 MainTranslator]: Completed translation [2021-12-18 10:36:16,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:16 WrapperNode [2021-12-18 10:36:16,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 10:36:16,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 10:36:16,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 10:36:16,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 10:36:16,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:16" (1/1) ... [2021-12-18 10:36:16,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:16" (1/1) ... [2021-12-18 10:36:17,226 INFO L137 Inliner]: procedures = 688, calls = 11589, calls flagged for inlining = 369, calls inlined = 261, statements flattened = 13294 [2021-12-18 10:36:17,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 10:36:17,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 10:36:17,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 10:36:17,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 10:36:17,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:16" (1/1) ... [2021-12-18 10:36:17,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:16" (1/1) ... [2021-12-18 10:36:17,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:16" (1/1) ... [2021-12-18 10:36:17,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:16" (1/1) ... [2021-12-18 10:36:17,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:16" (1/1) ... [2021-12-18 10:36:17,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:16" (1/1) ... [2021-12-18 10:36:17,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:16" (1/1) ... [2021-12-18 10:36:17,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 10:36:17,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 10:36:17,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 10:36:17,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 10:36:17,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:16" (1/1) ... [2021-12-18 10:36:17,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 10:36:17,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 10:36:17,818 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 10:36:17,875 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 10:36:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 10:36:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 10:36:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 10:36:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 10:36:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2021-12-18 10:36:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2021-12-18 10:36:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2021-12-18 10:36:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2021-12-18 10:36:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2021-12-18 10:36:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2021-12-18 10:36:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 10:36:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 10:36:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 10:36:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 10:36:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-12-18 10:36:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-12-18 10:36:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2021-12-18 10:36:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2021-12-18 10:36:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2021-12-18 10:36:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2021-12-18 10:36:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 10:36:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 10:36:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-18 10:36:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-18 10:36:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2021-12-18 10:36:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2021-12-18 10:36:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2021-12-18 10:36:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2021-12-18 10:36:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 10:36:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 10:36:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 10:36:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 10:36:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 10:36:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 10:36:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 10:36:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 10:36:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 10:36:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 10:36:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 10:36:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 10:36:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2021-12-18 10:36:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2021-12-18 10:36:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 10:36:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 10:36:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-18 10:36:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-18 10:36:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 10:36:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 10:36:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2021-12-18 10:36:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2021-12-18 10:36:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2021-12-18 10:36:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2021-12-18 10:36:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2021-12-18 10:36:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2021-12-18 10:36:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 10:36:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 10:36:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 10:36:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2021-12-18 10:36:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2021-12-18 10:36:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 10:36:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 10:36:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2021-12-18 10:36:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2021-12-18 10:36:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 10:36:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 10:36:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2021-12-18 10:36:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2021-12-18 10:36:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2021-12-18 10:36:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2021-12-18 10:36:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 10:36:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 10:36:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2021-12-18 10:36:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2021-12-18 10:36:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 10:36:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 10:36:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-12-18 10:36:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-12-18 10:36:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 10:36:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 10:36:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 10:36:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-18 10:36:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-18 10:36:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 10:36:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2021-12-18 10:36:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2021-12-18 10:36:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 10:36:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 10:36:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2021-12-18 10:36:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2021-12-18 10:36:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 10:36:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 10:36:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 10:36:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2021-12-18 10:36:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2021-12-18 10:36:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2021-12-18 10:36:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2021-12-18 10:36:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 10:36:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 10:36:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 10:36:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 10:36:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 10:36:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 10:36:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 10:36:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 10:36:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2021-12-18 10:36:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2021-12-18 10:36:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 10:36:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 10:36:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 10:36:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 10:36:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2021-12-18 10:36:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2021-12-18 10:36:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 10:36:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 10:36:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2021-12-18 10:36:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2021-12-18 10:36:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2021-12-18 10:36:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2021-12-18 10:36:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2021-12-18 10:36:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2021-12-18 10:36:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2021-12-18 10:36:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2021-12-18 10:36:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 10:36:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 10:36:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 10:36:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 10:36:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 10:36:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 10:36:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2021-12-18 10:36:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2021-12-18 10:36:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 10:36:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 10:36:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-12-18 10:36:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-12-18 10:36:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 10:36:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 10:36:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 10:36:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-18 10:36:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-18 10:36:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 10:36:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2021-12-18 10:36:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2021-12-18 10:36:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 10:36:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 10:36:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2021-12-18 10:36:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2021-12-18 10:36:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 10:36:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 10:36:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2021-12-18 10:36:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2021-12-18 10:36:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 10:36:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 10:36:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 10:36:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 10:36:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2021-12-18 10:36:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2021-12-18 10:36:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2021-12-18 10:36:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2021-12-18 10:36:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-18 10:36:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-18 10:36:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2021-12-18 10:36:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2021-12-18 10:36:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-18 10:36:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-18 10:36:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 10:36:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 10:36:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-12-18 10:36:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-12-18 10:36:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2021-12-18 10:36:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2021-12-18 10:36:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2021-12-18 10:36:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2021-12-18 10:36:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 10:36:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 10:36:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 10:36:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 10:36:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 10:36:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 10:36:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2021-12-18 10:36:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2021-12-18 10:36:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-18 10:36:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-18 10:36:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2021-12-18 10:36:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2021-12-18 10:36:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2021-12-18 10:36:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2021-12-18 10:36:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2021-12-18 10:36:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2021-12-18 10:36:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2021-12-18 10:36:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2021-12-18 10:36:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 10:36:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 10:36:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2021-12-18 10:36:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2021-12-18 10:36:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2021-12-18 10:36:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2021-12-18 10:36:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2021-12-18 10:36:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2021-12-18 10:36:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2021-12-18 10:36:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2021-12-18 10:36:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2021-12-18 10:36:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2021-12-18 10:36:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 10:36:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 10:36:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2021-12-18 10:36:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2021-12-18 10:36:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2021-12-18 10:36:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2021-12-18 10:36:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 10:36:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 10:36:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 10:36:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 10:36:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 10:36:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 10:36:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2021-12-18 10:36:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2021-12-18 10:36:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 10:36:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 10:36:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-18 10:36:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-18 10:36:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 10:36:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 10:36:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 10:36:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 10:36:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 10:36:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2021-12-18 10:36:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2021-12-18 10:36:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 10:36:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 10:36:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2021-12-18 10:36:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2021-12-18 10:36:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 10:36:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2021-12-18 10:36:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2021-12-18 10:36:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2021-12-18 10:36:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2021-12-18 10:36:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2021-12-18 10:36:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2021-12-18 10:36:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2021-12-18 10:36:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2021-12-18 10:36:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2021-12-18 10:36:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2021-12-18 10:36:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-18 10:36:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-18 10:36:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 10:36:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2021-12-18 10:36:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2021-12-18 10:36:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-18 10:36:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-18 10:36:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 10:36:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 10:36:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2021-12-18 10:36:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2021-12-18 10:36:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2021-12-18 10:36:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2021-12-18 10:36:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 10:36:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 10:36:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2021-12-18 10:36:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2021-12-18 10:36:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 10:36:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 10:36:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 10:36:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 10:36:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 10:36:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 10:36:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2021-12-18 10:36:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2021-12-18 10:36:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2021-12-18 10:36:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2021-12-18 10:36:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2021-12-18 10:36:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2021-12-18 10:36:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-18 10:36:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-18 10:36:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2021-12-18 10:36:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2021-12-18 10:36:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 10:36:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 10:36:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-18 10:36:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-18 10:36:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 10:36:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 10:36:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 10:36:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 10:36:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-12-18 10:36:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-12-18 10:36:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2021-12-18 10:36:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2021-12-18 10:36:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2021-12-18 10:36:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2021-12-18 10:36:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-12-18 10:36:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-12-18 10:36:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 10:36:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 10:36:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 10:36:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 10:36:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 10:36:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2021-12-18 10:36:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2021-12-18 10:36:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 10:36:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 10:36:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2021-12-18 10:36:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2021-12-18 10:36:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2021-12-18 10:36:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2021-12-18 10:36:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 10:36:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 10:36:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2021-12-18 10:36:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2021-12-18 10:36:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 10:36:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 10:36:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2021-12-18 10:36:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2021-12-18 10:36:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 10:36:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 10:36:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 10:36:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 10:36:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2021-12-18 10:36:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2021-12-18 10:36:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2021-12-18 10:36:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2021-12-18 10:36:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2021-12-18 10:36:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2021-12-18 10:36:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 10:36:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 10:36:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 10:36:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 10:36:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 10:36:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 10:36:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 10:36:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 10:36:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 10:36:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 10:36:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2021-12-18 10:36:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2021-12-18 10:36:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 10:36:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 10:36:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2021-12-18 10:36:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2021-12-18 10:36:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-18 10:36:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2021-12-18 10:36:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2021-12-18 10:36:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2021-12-18 10:36:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2021-12-18 10:36:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 10:36:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2021-12-18 10:36:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2021-12-18 10:36:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2021-12-18 10:36:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2021-12-18 10:36:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 10:36:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 10:36:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-18 10:36:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-18 10:36:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2021-12-18 10:36:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2021-12-18 10:36:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2021-12-18 10:36:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2021-12-18 10:36:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-18 10:36:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-18 10:36:18,927 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 10:36:18,932 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 10:36:30,781 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 10:38:40,180 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 10:38:40,278 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 10:38:40,305 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 10:38:40,306 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-18 10:38:40,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 10:38:40 BoogieIcfgContainer [2021-12-18 10:38:40,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 10:38:40,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 10:38:40,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 10:38:40,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 10:38:40,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 10:36:07" (1/3) ... [2021-12-18 10:38:40,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c63635b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 10:38:40, skipping insertion in model container [2021-12-18 10:38:40,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:16" (2/3) ... [2021-12-18 10:38:40,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c63635b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 10:38:40, skipping insertion in model container [2021-12-18 10:38:40,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 10:38:40" (3/3) ... [2021-12-18 10:38:40,319 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-12-18 10:38:40,322 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 10:38:40,323 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 10:38:40,379 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 10:38:40,388 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 10:38:40,389 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 10:38:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 3748 states, 2693 states have (on average 1.3401411065725957) internal successors, (3609), 2708 states have internal predecessors, (3609), 883 states have call successors, (883), 170 states have call predecessors, (883), 169 states have return successors, (877), 876 states have call predecessors, (877), 877 states have call successors, (877) [2021-12-18 10:38:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-12-18 10:38:40,482 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:38:40,484 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:38:40,487 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 10:38:40,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:38:40,493 INFO L85 PathProgramCache]: Analyzing trace with hash -935109856, now seen corresponding path program 1 times [2021-12-18 10:38:40,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:38:40,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576155448] [2021-12-18 10:38:40,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:38:40,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:38:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:38:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:38:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:38:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:38:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:38:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:38:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:38:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:38:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:41,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:38:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:38:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:38:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:38:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:38:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:38:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:38:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:38:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:38:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 10:38:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 10:38:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:38:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-18 10:38:42,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:38:42,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576155448] [2021-12-18 10:38:42,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576155448] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:38:42,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:38:42,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:38:42,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215009698] [2021-12-18 10:38:42,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:38:42,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:38:42,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:38:42,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:38:42,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:38:42,295 INFO L87 Difference]: Start difference. First operand has 3748 states, 2693 states have (on average 1.3401411065725957) internal successors, (3609), 2708 states have internal predecessors, (3609), 883 states have call successors, (883), 170 states have call predecessors, (883), 169 states have return successors, (877), 876 states have call predecessors, (877), 877 states have call successors, (877) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-18 10:38:46,878 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 10:38:49,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:38:51,567 WARN L534 Checker$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 10:38:55,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:38:57,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 10:39:10,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:39:17,008 WARN L534 Checker$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 10:39:19,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:39:22,308 WARN L534 Checker$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 10:39:25,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:39:28,519 WARN L534 Checker$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 10:39:30,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:39:33,728 WARN L534 Checker$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 10:39:36,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:39:39,072 WARN L534 Checker$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 10:39:42,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:39:45,557 WARN L534 Checker$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 10:39:47,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:39:50,077 WARN L534 Checker$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 10:39:52,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:39:55,104 WARN L534 Checker$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 10:39:57,411 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 10:39:59,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:39:59,094 INFO L93 Difference]: Finished difference Result 10784 states and 16302 transitions. [2021-12-18 10:39:59,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:39:59,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 210 [2021-12-18 10:39:59,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:39:59,157 INFO L225 Difference]: With dead ends: 10784 [2021-12-18 10:39:59,158 INFO L226 Difference]: Without dead ends: 7063 [2021-12-18 10:39:59,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 10:39:59,196 INFO L933 BasicCegarLoop]: 6164 mSDtfsCounter, 5581 mSDsluCounter, 6810 mSDsCounter, 0 mSdLazyCounter, 2955 mSolverCounterSat, 2190 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6279 SdHoareTripleChecker+Valid, 12974 SdHoareTripleChecker+Invalid, 5166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2190 IncrementalHoareTripleChecker+Valid, 2955 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.8s IncrementalHoareTripleChecker+Time [2021-12-18 10:39:59,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6279 Valid, 12974 Invalid, 5166 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2190 Valid, 2955 Invalid, 21 Unknown, 0 Unchecked, 75.8s Time] [2021-12-18 10:39:59,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7063 states. [2021-12-18 10:39:59,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7063 to 6930. [2021-12-18 10:39:59,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6930 states, 4979 states have (on average 1.3336011247238402) internal successors, (6640), 5008 states have internal predecessors, (6640), 1630 states have call successors, (1630), 319 states have call predecessors, (1630), 318 states have return successors, (1626), 1624 states have call predecessors, (1626), 1626 states have call successors, (1626) [2021-12-18 10:39:59,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6930 states to 6930 states and 9896 transitions. [2021-12-18 10:39:59,525 INFO L78 Accepts]: Start accepts. Automaton has 6930 states and 9896 transitions. Word has length 210 [2021-12-18 10:39:59,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:39:59,527 INFO L470 AbstractCegarLoop]: Abstraction has 6930 states and 9896 transitions. [2021-12-18 10:39:59,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-18 10:39:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 6930 states and 9896 transitions. [2021-12-18 10:39:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-18 10:39:59,534 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:39:59,534 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:39:59,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 10:39:59,534 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 10:39:59,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:39:59,535 INFO L85 PathProgramCache]: Analyzing trace with hash 141461795, now seen corresponding path program 1 times [2021-12-18 10:39:59,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:39:59,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619503784] [2021-12-18 10:39:59,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:39:59,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:39:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:40:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:40:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:40:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:40:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:40:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:40:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:40:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:40:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:40:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:40:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:40:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:40:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:40:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:40:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:40:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:40:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 10:40:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-18 10:40:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:40:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:40:00,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-18 10:40:00,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:40:00,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619503784] [2021-12-18 10:40:00,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619503784] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:40:00,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:40:00,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:40:00,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649183057] [2021-12-18 10:40:00,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:40:00,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:40:00,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:40:00,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:40:00,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:40:00,424 INFO L87 Difference]: Start difference. First operand 6930 states and 9896 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-18 10:40:04,364 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 10:40:15,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:40:18,363 WARN L534 Checker$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 10:40:20,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:40:29,763 WARN L534 Checker$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 10:40:32,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:40:35,006 WARN L534 Checker$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 10:40:38,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:40:40,883 WARN L534 Checker$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 10:40:43,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:40:46,329 WARN L534 Checker$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 10:40:49,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:40:51,994 WARN L534 Checker$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 10:40:55,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:40:57,696 WARN L534 Checker$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 10:41:00,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:41:02,614 WARN L534 Checker$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 10:41:04,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:41:04,221 INFO L93 Difference]: Finished difference Result 15123 states and 21672 transitions. [2021-12-18 10:41:04,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:41:04,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 223 [2021-12-18 10:41:04,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:41:04,261 INFO L225 Difference]: With dead ends: 15123 [2021-12-18 10:41:04,261 INFO L226 Difference]: Without dead ends: 8230 [2021-12-18 10:41:04,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 10:41:04,289 INFO L933 BasicCegarLoop]: 5872 mSDtfsCounter, 4115 mSDsluCounter, 6741 mSDsCounter, 0 mSdLazyCounter, 2686 mSolverCounterSat, 1695 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4630 SdHoareTripleChecker+Valid, 12613 SdHoareTripleChecker+Invalid, 4398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1695 IncrementalHoareTripleChecker+Valid, 2686 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.0s IncrementalHoareTripleChecker+Time [2021-12-18 10:41:04,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4630 Valid, 12613 Invalid, 4398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1695 Valid, 2686 Invalid, 17 Unknown, 0 Unchecked, 63.0s Time] [2021-12-18 10:41:04,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8230 states. [2021-12-18 10:41:04,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8230 to 8105. [2021-12-18 10:41:04,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8105 states, 5922 states have (on average 1.346335697399527) internal successors, (7973), 5949 states have internal predecessors, (7973), 1816 states have call successors, (1816), 366 states have call predecessors, (1816), 364 states have return successors, (1812), 1806 states have call predecessors, (1812), 1812 states have call successors, (1812) [2021-12-18 10:41:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8105 states to 8105 states and 11601 transitions. [2021-12-18 10:41:04,527 INFO L78 Accepts]: Start accepts. Automaton has 8105 states and 11601 transitions. Word has length 223 [2021-12-18 10:41:04,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:41:04,528 INFO L470 AbstractCegarLoop]: Abstraction has 8105 states and 11601 transitions. [2021-12-18 10:41:04,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-18 10:41:04,529 INFO L276 IsEmpty]: Start isEmpty. Operand 8105 states and 11601 transitions. [2021-12-18 10:41:04,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-12-18 10:41:04,532 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:41:04,532 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:04,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 10:41:04,533 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:41:04,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:41:04,533 INFO L85 PathProgramCache]: Analyzing trace with hash -244400460, now seen corresponding path program 1 times [2021-12-18 10:41:04,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:41:04,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168843187] [2021-12-18 10:41:04,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:41:04,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:41:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:04,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:41:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:04,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:41:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:41:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:41:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:41:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:41:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:41:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:41:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:41:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:41:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:41:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:41:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:41:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:41:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:41:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:41:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 10:41:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 10:41:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:41:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:41:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-18 10:41:05,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:41:05,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168843187] [2021-12-18 10:41:05,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168843187] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:41:05,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:41:05,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:41:05,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090863945] [2021-12-18 10:41:05,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:41:05,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:41:05,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:41:05,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:41:05,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:41:05,240 INFO L87 Difference]: Start difference. First operand 8105 states and 11601 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-18 10:41:10,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:41:12,447 WARN L534 Checker$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 10:41:14,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:41:24,437 WARN L534 Checker$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 10:41:26,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:41:29,197 WARN L534 Checker$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 10:41:31,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:41:34,366 WARN L534 Checker$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 10:41:36,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:41:39,321 WARN L534 Checker$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 10:41:41,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:41:44,419 WARN L534 Checker$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 10:41:47,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:41:50,427 WARN L534 Checker$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 10:41:52,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:41:55,090 WARN L534 Checker$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 10:41:57,546 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 10:42:10,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:42:10,621 INFO L93 Difference]: Finished difference Result 18761 states and 26800 transitions. [2021-12-18 10:42:10,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:42:10,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 222 [2021-12-18 10:42:10,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:42:10,670 INFO L225 Difference]: With dead ends: 18761 [2021-12-18 10:42:10,671 INFO L226 Difference]: Without dead ends: 10693 [2021-12-18 10:42:10,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 10:42:10,693 INFO L933 BasicCegarLoop]: 6093 mSDtfsCounter, 5425 mSDsluCounter, 6747 mSDsCounter, 0 mSdLazyCounter, 2893 mSolverCounterSat, 2164 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6107 SdHoareTripleChecker+Valid, 12840 SdHoareTripleChecker+Invalid, 5074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2164 IncrementalHoareTripleChecker+Valid, 2893 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.6s IncrementalHoareTripleChecker+Time [2021-12-18 10:42:10,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6107 Valid, 12840 Invalid, 5074 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2164 Valid, 2893 Invalid, 17 Unknown, 0 Unchecked, 64.6s Time] [2021-12-18 10:42:10,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10693 states. [2021-12-18 10:42:10,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10693 to 10521. [2021-12-18 10:42:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10521 states, 7668 states have (on average 1.3389410537297861) internal successors, (10267), 7714 states have internal predecessors, (10267), 2354 states have call successors, (2354), 501 states have call predecessors, (2354), 496 states have return successors, (2350), 2330 states have call predecessors, (2350), 2350 states have call successors, (2350) [2021-12-18 10:42:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10521 states to 10521 states and 14971 transitions. [2021-12-18 10:42:10,991 INFO L78 Accepts]: Start accepts. Automaton has 10521 states and 14971 transitions. Word has length 222 [2021-12-18 10:42:10,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:42:10,991 INFO L470 AbstractCegarLoop]: Abstraction has 10521 states and 14971 transitions. [2021-12-18 10:42:10,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-18 10:42:10,991 INFO L276 IsEmpty]: Start isEmpty. Operand 10521 states and 14971 transitions. [2021-12-18 10:42:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-18 10:42:10,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:42:10,998 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 10:42:10,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 10:42:10,998 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 10:42:10,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:42:10,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1343339382, now seen corresponding path program 1 times [2021-12-18 10:42:10,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:42:10,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591740036] [2021-12-18 10:42:10,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:42:10,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:42:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:42:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:42:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:42:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:42:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:42:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:42:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:42:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:42:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:42:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:42:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:42:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:42:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:42:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:42:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:42:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:42:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 10:42:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:42:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 10:42:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 10:42:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 10:42:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:42:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 10:42:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 10:42:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 10:42:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:42:11,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-12-18 10:42:11,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:42:11,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591740036] [2021-12-18 10:42:11,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591740036] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:42:11,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:42:11,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:42:11,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071334792] [2021-12-18 10:42:11,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:42:11,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:42:11,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:42:11,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:42:11,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:42:11,796 INFO L87 Difference]: Start difference. First operand 10521 states and 14971 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 10:42:19,091 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 10:42:21,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:42:23,602 WARN L534 Checker$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 10:42:38,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:42:40,960 WARN L534 Checker$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 10:42:43,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:42:45,963 WARN L534 Checker$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 10:42:49,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:42:52,091 WARN L534 Checker$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 10:42:54,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:42:57,239 WARN L534 Checker$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 10:42:59,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:43:02,566 WARN L534 Checker$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 10:43:06,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:43:09,193 WARN L534 Checker$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 10:43:11,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:43:13,730 WARN L534 Checker$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 10:43:16,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:43:18,499 WARN L534 Checker$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 10:43:20,798 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 10:43:25,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:43:25,143 INFO L93 Difference]: Finished difference Result 29639 states and 42315 transitions. [2021-12-18 10:43:25,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:43:25,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 275 [2021-12-18 10:43:25,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:43:25,239 INFO L225 Difference]: With dead ends: 29639 [2021-12-18 10:43:25,239 INFO L226 Difference]: Without dead ends: 19827 [2021-12-18 10:43:25,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 10:43:25,280 INFO L933 BasicCegarLoop]: 7747 mSDtfsCounter, 5163 mSDsluCounter, 7682 mSDsCounter, 0 mSdLazyCounter, 3027 mSolverCounterSat, 1870 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5855 SdHoareTripleChecker+Valid, 15429 SdHoareTripleChecker+Invalid, 4917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1870 IncrementalHoareTripleChecker+Valid, 3027 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.5s IncrementalHoareTripleChecker+Time [2021-12-18 10:43:25,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5855 Valid, 15429 Invalid, 4917 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1870 Valid, 3027 Invalid, 20 Unknown, 0 Unchecked, 72.5s Time] [2021-12-18 10:43:25,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19827 states. [2021-12-18 10:43:25,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19827 to 19537. [2021-12-18 10:43:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19537 states, 14221 states have (on average 1.3398495183179804) internal successors, (19054), 14296 states have internal predecessors, (19054), 4390 states have call successors, (4390), 930 states have call predecessors, (4390), 923 states have return successors, (4386), 4359 states have call predecessors, (4386), 4386 states have call successors, (4386) [2021-12-18 10:43:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19537 states to 19537 states and 27830 transitions. [2021-12-18 10:43:25,861 INFO L78 Accepts]: Start accepts. Automaton has 19537 states and 27830 transitions. Word has length 275 [2021-12-18 10:43:25,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:43:25,862 INFO L470 AbstractCegarLoop]: Abstraction has 19537 states and 27830 transitions. [2021-12-18 10:43:25,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 10:43:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 19537 states and 27830 transitions. [2021-12-18 10:43:25,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-18 10:43:25,870 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:43:25,870 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 10:43:25,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 10:43:25,871 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 10:43:25,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:43:25,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2044939256, now seen corresponding path program 1 times [2021-12-18 10:43:25,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:43:25,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642096281] [2021-12-18 10:43:25,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:43:25,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:43:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:43:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:43:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:43:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:43:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:43:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:43:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:43:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:43:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:43:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:43:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:43:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:43:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:43:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:43:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:43:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:43:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 10:43:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:43:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 10:43:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 10:43:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 10:43:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:43:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 10:43:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 10:43:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 10:43:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:43:27,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2021-12-18 10:43:27,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:43:27,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642096281] [2021-12-18 10:43:27,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642096281] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:43:27,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:43:27,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 10:43:27,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496228681] [2021-12-18 10:43:27,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:43:27,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 10:43:27,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:43:27,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 10:43:27,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 10:43:27,136 INFO L87 Difference]: Start difference. First operand 19537 states and 27830 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 10:43:35,701 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 10:43:38,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:43:40,376 WARN L534 Checker$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 10:44:00,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:44:03,143 WARN L534 Checker$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 10:44:06,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:44:08,888 WARN L534 Checker$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 10:44:13,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:44:15,732 WARN L534 Checker$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 10:44:18,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:44:21,368 WARN L534 Checker$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 10:44:24,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:44:27,518 WARN L534 Checker$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 10:44:31,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:44:33,514 WARN L534 Checker$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 10:44:35,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:44:38,413 WARN L534 Checker$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 10:44:46,793 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:44:52,690 WARN L534 Checker$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 10:44:55,243 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 10:44:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:44:56,737 INFO L93 Difference]: Finished difference Result 26401 states and 37567 transitions. [2021-12-18 10:44:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 10:44:56,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 275 [2021-12-18 10:44:56,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:44:56,833 INFO L225 Difference]: With dead ends: 26401 [2021-12-18 10:44:56,834 INFO L226 Difference]: Without dead ends: 26399 [2021-12-18 10:44:56,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 10:44:56,852 INFO L933 BasicCegarLoop]: 6939 mSDtfsCounter, 4885 mSDsluCounter, 16723 mSDsCounter, 0 mSdLazyCounter, 5403 mSolverCounterSat, 1536 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5465 SdHoareTripleChecker+Valid, 23662 SdHoareTripleChecker+Invalid, 6959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1536 IncrementalHoareTripleChecker+Valid, 5403 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.3s IncrementalHoareTripleChecker+Time [2021-12-18 10:44:56,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5465 Valid, 23662 Invalid, 6959 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1536 Valid, 5403 Invalid, 20 Unknown, 0 Unchecked, 88.3s Time] [2021-12-18 10:44:56,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26399 states. [2021-12-18 10:44:57,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26399 to 26029. [2021-12-18 10:44:57,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26029 states, 18889 states have (on average 1.3403038805654084) internal successors, (25317), 18976 states have internal predecessors, (25317), 5842 states have call successors, (5842), 1302 states have call predecessors, (5842), 1295 states have return successors, (5838), 5811 states have call predecessors, (5838), 5838 states have call successors, (5838) [2021-12-18 10:44:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26029 states to 26029 states and 36997 transitions. [2021-12-18 10:44:57,564 INFO L78 Accepts]: Start accepts. Automaton has 26029 states and 36997 transitions. Word has length 275 [2021-12-18 10:44:57,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:44:57,565 INFO L470 AbstractCegarLoop]: Abstraction has 26029 states and 36997 transitions. [2021-12-18 10:44:57,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 10:44:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 26029 states and 36997 transitions. [2021-12-18 10:44:57,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-12-18 10:44:57,574 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:44:57,574 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 10:44:57,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 10:44:57,575 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:44:57,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:44:57,575 INFO L85 PathProgramCache]: Analyzing trace with hash -784887353, now seen corresponding path program 1 times [2021-12-18 10:44:57,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:44:57,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730251013] [2021-12-18 10:44:57,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:44:57,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:44:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:44:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:44:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:44:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:44:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:44:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:44:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:44:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:44:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:44:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:44:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:44:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:44:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:44:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:44:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:44:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:44:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 10:44:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:44:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 10:44:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 10:44:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 10:44:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:44:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 10:44:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 10:44:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 10:44:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 10:44:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:44:58,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2021-12-18 10:44:58,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:44:58,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730251013] [2021-12-18 10:44:58,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730251013] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:44:58,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:44:58,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 10:44:58,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429044061] [2021-12-18 10:44:58,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:44:58,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 10:44:58,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:44:58,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 10:44:58,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 10:44:58,702 INFO L87 Difference]: Start difference. First operand 26029 states and 36997 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 10:45:06,691 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 10:45:08,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:45:11,364 WARN L534 Checker$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 10:45:15,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:45:43,369 WARN L534 Checker$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 10:45:45,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:45:48,011 WARN L534 Checker$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 10:45:52,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:45:59,227 WARN L534 Checker$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 10:46:01,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:46:04,839 WARN L534 Checker$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 10:46:08,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:46:10,857 WARN L534 Checker$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 10:46:13,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:46:16,463 WARN L534 Checker$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 10:46:19,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:46:22,270 WARN L534 Checker$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 10:46:24,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:46:26,923 WARN L534 Checker$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 10:46:29,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:46:31,932 WARN L534 Checker$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 10:46:38,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:46:38,417 INFO L93 Difference]: Finished difference Result 51802 states and 74490 transitions. [2021-12-18 10:46:38,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 10:46:38,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 280 [2021-12-18 10:46:38,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:46:38,771 INFO L225 Difference]: With dead ends: 51802 [2021-12-18 10:46:38,771 INFO L226 Difference]: Without dead ends: 51800 [2021-12-18 10:46:38,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-18 10:46:38,795 INFO L933 BasicCegarLoop]: 7041 mSDtfsCounter, 5759 mSDsluCounter, 18739 mSDsCounter, 0 mSdLazyCounter, 6533 mSolverCounterSat, 2088 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6449 SdHoareTripleChecker+Valid, 25780 SdHoareTripleChecker+Invalid, 8642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2088 IncrementalHoareTripleChecker+Valid, 6533 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.9s IncrementalHoareTripleChecker+Time [2021-12-18 10:46:38,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6449 Valid, 25780 Invalid, 8642 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2088 Valid, 6533 Invalid, 21 Unknown, 0 Unchecked, 97.9s Time] [2021-12-18 10:46:38,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51800 states. [2021-12-18 10:46:39,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51800 to 50722. [2021-12-18 10:46:40,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50722 states, 36926 states have (on average 1.3385419487623897) internal successors, (49427), 36875 states have internal predecessors, (49427), 11222 states have call successors, (11222), 2550 states have call predecessors, (11222), 2571 states have return successors, (11705), 11417 states have call predecessors, (11705), 11214 states have call successors, (11705) [2021-12-18 10:46:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50722 states to 50722 states and 72354 transitions. [2021-12-18 10:46:40,473 INFO L78 Accepts]: Start accepts. Automaton has 50722 states and 72354 transitions. Word has length 280 [2021-12-18 10:46:40,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:46:40,474 INFO L470 AbstractCegarLoop]: Abstraction has 50722 states and 72354 transitions. [2021-12-18 10:46:40,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 10:46:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 50722 states and 72354 transitions. [2021-12-18 10:46:40,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-18 10:46:40,484 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:46:40,485 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:40,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 10:46:40,485 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:46:40,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:46:40,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1372912638, now seen corresponding path program 1 times [2021-12-18 10:46:40,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:46:40,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982551671] [2021-12-18 10:46:40,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:46:40,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:46:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:46:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:46:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:46:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:46:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:46:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:46:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:46:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:46:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:46:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:46:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:46:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:46:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:46:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:46:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:46:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:46:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 10:46:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:46:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 10:46:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 10:46:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 10:46:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 10:46:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 10:46:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-18 10:46:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-18 10:46:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:46:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 10:46:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 10:46:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:41,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1334 trivial. 0 not checked. [2021-12-18 10:46:41,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:46:41,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982551671] [2021-12-18 10:46:41,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982551671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:46:41,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:46:41,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 10:46:41,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064229095] [2021-12-18 10:46:41,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:46:41,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 10:46:41,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:46:41,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 10:46:41,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 10:46:41,679 INFO L87 Difference]: Start difference. First operand 50722 states and 72354 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 10:46:53,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:46:56,103 WARN L534 Checker$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 10:46:58,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:47:00,847 WARN L534 Checker$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 10:47:27,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:47:30,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:47:34,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:47:37,507 WARN L534 Checker$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 10:47:43,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:47:46,960 WARN L534 Checker$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 10:47:49,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:47:51,578 WARN L534 Checker$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 10:47:55,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:47:59,066 WARN L534 Checker$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 10:48:02,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:48:07,551 WARN L534 Checker$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 10:48:12,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:48:14,439 WARN L534 Checker$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 10:48:16,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:48:19,640 WARN L534 Checker$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 10:48:21,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:48:24,063 WARN L534 Checker$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 10:48:27,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:48:29,958 WARN L534 Checker$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 10:48:32,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:48:34,641 WARN L534 Checker$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 10:48:37,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:48:41,319 WARN L534 Checker$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 10:48:43,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:48:45,815 WARN L534 Checker$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 10:48:48,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:48:50,623 WARN L534 Checker$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 10:48:52,984 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 10:49:04,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:49:04,053 INFO L93 Difference]: Finished difference Result 125927 states and 179893 transitions. [2021-12-18 10:49:04,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 10:49:04,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 293 [2021-12-18 10:49:04,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:49:04,538 INFO L225 Difference]: With dead ends: 125927 [2021-12-18 10:49:04,538 INFO L226 Difference]: Without dead ends: 75914 [2021-12-18 10:49:04,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 10:49:04,661 INFO L933 BasicCegarLoop]: 8602 mSDtfsCounter, 7023 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 9057 mSolverCounterSat, 4164 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 127.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7674 SdHoareTripleChecker+Valid, 14269 SdHoareTripleChecker+Invalid, 13254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4164 IncrementalHoareTripleChecker+Valid, 9057 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.4s IncrementalHoareTripleChecker+Time [2021-12-18 10:49:04,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7674 Valid, 14269 Invalid, 13254 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4164 Valid, 9057 Invalid, 33 Unknown, 0 Unchecked, 139.4s Time] [2021-12-18 10:49:04,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75914 states. [2021-12-18 10:49:06,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75914 to 75071. [2021-12-18 10:49:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75071 states, 54648 states have (on average 1.338859610598741) internal successors, (73166), 54557 states have internal predecessors, (73166), 16611 states have call successors, (16611), 3778 states have call predecessors, (16611), 3809 states have return successors, (17335), 16916 states have call predecessors, (17335), 16603 states have call successors, (17335) [2021-12-18 10:49:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75071 states to 75071 states and 107112 transitions. [2021-12-18 10:49:07,475 INFO L78 Accepts]: Start accepts. Automaton has 75071 states and 107112 transitions. Word has length 293 [2021-12-18 10:49:07,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:49:07,476 INFO L470 AbstractCegarLoop]: Abstraction has 75071 states and 107112 transitions. [2021-12-18 10:49:07,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 10:49:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 75071 states and 107112 transitions. [2021-12-18 10:49:07,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-18 10:49:07,484 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:49:07,484 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 10:49:07,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 10:49:07,484 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:49:07,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:49:07,485 INFO L85 PathProgramCache]: Analyzing trace with hash 236891416, now seen corresponding path program 1 times [2021-12-18 10:49:07,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:49:07,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003824244] [2021-12-18 10:49:07,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:49:07,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:49:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:49:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:49:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:49:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:49:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:49:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:49:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:49:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:49:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:08,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:49:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:49:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:49:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:49:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:49:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:49:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:49:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:49:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 10:49:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:49:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 10:49:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 10:49:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 10:49:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:49:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 10:49:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 10:49:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 10:49:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 10:49:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-18 10:49:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:49:09,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1334 trivial. 0 not checked. [2021-12-18 10:49:09,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:49:09,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003824244] [2021-12-18 10:49:09,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003824244] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:49:09,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:49:09,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 10:49:09,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719095014] [2021-12-18 10:49:09,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:49:09,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 10:49:09,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:49:09,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 10:49:09,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 10:49:09,399 INFO L87 Difference]: Start difference. First operand 75071 states and 107112 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 10:49:16,662 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 10:49:19,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:49:21,411 WARN L534 Checker$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 10:49:40,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:49:43,231 WARN L534 Checker$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 10:49:46,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:49:48,855 WARN L534 Checker$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 10:49:52,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:49:55,191 WARN L534 Checker$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 10:49:58,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:50:00,824 WARN L534 Checker$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 10:50:03,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:50:09,273 WARN L534 Checker$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 10:50:13,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 10:50:15,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15