./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-prism54-prism54.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:48:06,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:48:06,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:48:06,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:48:06,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:48:06,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:48:06,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:48:06,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:48:06,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:48:06,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:48:06,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:48:06,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:48:06,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:48:06,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:48:06,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:48:06,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:48:06,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:48:06,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:48:06,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:48:06,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:48:06,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:48:06,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:48:06,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:48:06,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:48:06,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:48:06,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:48:06,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:48:06,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:48:06,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:48:06,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:48:06,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:48:06,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:48:06,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:48:06,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:48:06,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:48:06,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:48:06,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:48:06,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:48:06,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:48:06,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:48:06,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:48:06,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:48:07,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:48:07,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:48:07,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:48:07,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:48:07,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:48:07,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:48:07,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:48:07,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:48:07,009 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:48:07,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:48:07,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:48:07,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:48:07,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:48:07,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:48:07,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:48:07,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:48:07,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:48:07,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:48:07,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:48:07,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:48:07,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:48:07,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:48:07,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:48:07,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:48:07,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:48:07,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:48:07,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:48:07,012 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:48:07,012 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:48:07,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:48:07,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:48:07,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2021-12-16 04:48:07,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:48:07,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:48:07,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:48:07,229 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:48:07,230 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:48:07,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2021-12-16 04:48:07,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/250968cbd/42695b6f11384b8290e713b8d07387ca/FLAG7a0d8b7d1 [2021-12-16 04:48:08,012 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:48:08,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2021-12-16 04:48:08,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/250968cbd/42695b6f11384b8290e713b8d07387ca/FLAG7a0d8b7d1 [2021-12-16 04:48:08,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/250968cbd/42695b6f11384b8290e713b8d07387ca [2021-12-16 04:48:08,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:48:08,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:48:08,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:48:08,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:48:08,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:48:08,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:48:08" (1/1) ... [2021-12-16 04:48:08,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9bf0bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:08, skipping insertion in model container [2021-12-16 04:48:08,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:48:08" (1/1) ... [2021-12-16 04:48:08,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:48:08,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:48:11,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2021-12-16 04:48:11,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2021-12-16 04:48:11,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2021-12-16 04:48:11,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2021-12-16 04:48:11,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:48:11,288 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:48:11,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2021-12-16 04:48:11,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2021-12-16 04:48:11,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2021-12-16 04:48:11,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2021-12-16 04:48:11,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:48:11,775 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:48:11,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:11 WrapperNode [2021-12-16 04:48:11,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:48:11,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:48:11,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:48:11,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:48:11,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:11" (1/1) ... [2021-12-16 04:48:11,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:11" (1/1) ... [2021-12-16 04:48:12,097 INFO L137 Inliner]: procedures = 538, calls = 6232, calls flagged for inlining = 274, calls inlined = 248, statements flattened = 8897 [2021-12-16 04:48:12,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:48:12,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:48:12,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:48:12,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:48:12,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:11" (1/1) ... [2021-12-16 04:48:12,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:11" (1/1) ... [2021-12-16 04:48:12,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:11" (1/1) ... [2021-12-16 04:48:12,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:11" (1/1) ... [2021-12-16 04:48:12,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:11" (1/1) ... [2021-12-16 04:48:12,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:11" (1/1) ... [2021-12-16 04:48:12,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:11" (1/1) ... [2021-12-16 04:48:12,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:48:12,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:48:12,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:48:12,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:48:12,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:11" (1/1) ... [2021-12-16 04:48:12,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:48:12,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:48:12,420 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) [2021-12-16 04:48:12,439 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 [2021-12-16 04:48:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2021-12-16 04:48:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2021-12-16 04:48:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-12-16 04:48:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-12-16 04:48:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2021-12-16 04:48:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2021-12-16 04:48:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-16 04:48:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 04:48:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 04:48:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:48:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:48:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2021-12-16 04:48:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2021-12-16 04:48:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 04:48:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 04:48:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:48:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:48:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2021-12-16 04:48:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2021-12-16 04:48:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 04:48:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 04:48:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-16 04:48:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-16 04:48:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:48:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:48:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2021-12-16 04:48:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2021-12-16 04:48:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-12-16 04:48:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-12-16 04:48:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-16 04:48:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2021-12-16 04:48:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2021-12-16 04:48:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 04:48:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 04:48:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 04:48:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 04:48:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-16 04:48:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-16 04:48:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 04:48:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-16 04:48:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2021-12-16 04:48:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2021-12-16 04:48:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:48:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:48:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-16 04:48:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-16 04:48:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:48:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:48:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2021-12-16 04:48:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2021-12-16 04:48:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-16 04:48:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-16 04:48:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:48:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2021-12-16 04:48:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2021-12-16 04:48:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2021-12-16 04:48:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2021-12-16 04:48:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-16 04:48:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-16 04:48:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 04:48:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 04:48:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2021-12-16 04:48:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2021-12-16 04:48:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2021-12-16 04:48:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2021-12-16 04:48:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 04:48:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 04:48:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:48:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:48:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:48:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2021-12-16 04:48:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2021-12-16 04:48:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 04:48:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 04:48:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-16 04:48:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-16 04:48:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-16 04:48:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-16 04:48:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:48:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 04:48:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 04:48:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:48:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 04:48:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 04:48:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:48:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:48:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 04:48:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 04:48:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 04:48:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 04:48:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2021-12-16 04:48:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2021-12-16 04:48:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2021-12-16 04:48:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2021-12-16 04:48:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 04:48:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 04:48:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:48:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 04:48:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 04:48:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-16 04:48:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-16 04:48:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-16 04:48:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-16 04:48:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-16 04:48:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-16 04:48:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:48:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 04:48:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 04:48:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 04:48:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 04:48:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:48:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 04:48:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:48:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:48:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2021-12-16 04:48:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2021-12-16 04:48:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-16 04:48:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-16 04:48:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 04:48:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 04:48:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:48:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:48:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2021-12-16 04:48:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2021-12-16 04:48:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-16 04:48:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-16 04:48:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 04:48:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 04:48:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-16 04:48:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-16 04:48:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-16 04:48:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-16 04:48:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-16 04:48:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-16 04:48:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2021-12-16 04:48:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2021-12-16 04:48:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-16 04:48:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-16 04:48:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-16 04:48:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-16 04:48:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:48:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:48:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-12-16 04:48:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-12-16 04:48:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-16 04:48:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-16 04:48:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-16 04:48:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-16 04:48:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2021-12-16 04:48:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2021-12-16 04:48:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2021-12-16 04:48:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2021-12-16 04:48:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:48:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:48:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:48:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:48:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-16 04:48:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-16 04:48:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2021-12-16 04:48:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2021-12-16 04:48:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2021-12-16 04:48:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2021-12-16 04:48:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2021-12-16 04:48:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2021-12-16 04:48:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-16 04:48:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-16 04:48:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:48:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:48:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 04:48:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 04:48:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-16 04:48:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-16 04:48:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 04:48:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 04:48:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-16 04:48:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-16 04:48:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:48:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:48:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:48:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2021-12-16 04:48:12,463 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2021-12-16 04:48:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-16 04:48:12,463 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-16 04:48:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:48:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2021-12-16 04:48:12,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2021-12-16 04:48:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-16 04:48:12,463 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-16 04:48:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-16 04:48:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-16 04:48:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:48:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2021-12-16 04:48:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2021-12-16 04:48:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-16 04:48:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-16 04:48:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2021-12-16 04:48:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2021-12-16 04:48:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-16 04:48:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-16 04:48:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:48:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:48:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-16 04:48:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-16 04:48:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 04:48:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 04:48:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2021-12-16 04:48:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2021-12-16 04:48:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2021-12-16 04:48:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2021-12-16 04:48:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 04:48:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 04:48:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 04:48:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 04:48:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-16 04:48:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-16 04:48:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 04:48:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 04:48:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-16 04:48:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-16 04:48:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2021-12-16 04:48:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2021-12-16 04:48:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-16 04:48:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-16 04:48:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-16 04:48:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-16 04:48:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-16 04:48:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-16 04:48:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 04:48:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 04:48:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2021-12-16 04:48:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2021-12-16 04:48:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2021-12-16 04:48:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2021-12-16 04:48:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:48:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:48:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-16 04:48:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-16 04:48:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2021-12-16 04:48:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2021-12-16 04:48:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:48:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-16 04:48:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-16 04:48:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-16 04:48:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-16 04:48:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:48:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:48:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2021-12-16 04:48:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2021-12-16 04:48:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_islpci_acl [2021-12-16 04:48:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_islpci_acl [2021-12-16 04:48:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2021-12-16 04:48:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2021-12-16 04:48:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-16 04:48:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-16 04:48:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2021-12-16 04:48:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2021-12-16 04:48:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-16 04:48:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-16 04:48:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 04:48:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 04:48:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 04:48:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 04:48:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-16 04:48:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-16 04:48:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-16 04:48:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-16 04:48:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2021-12-16 04:48:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2021-12-16 04:48:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_islpci_acl [2021-12-16 04:48:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_islpci_acl [2021-12-16 04:48:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-16 04:48:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-16 04:48:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-16 04:48:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-16 04:48:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:48:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 04:48:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 04:48:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-16 04:48:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-16 04:48:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2021-12-16 04:48:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2021-12-16 04:48:13,262 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:48:13,278 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:48:13,680 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:48:16,995 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 04:48:17,186 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:48:17,206 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:48:17,206 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-16 04:48:17,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:48:17 BoogieIcfgContainer [2021-12-16 04:48:17,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:48:17,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:48:17,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:48:17,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:48:17,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:48:08" (1/3) ... [2021-12-16 04:48:17,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a78811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:48:17, skipping insertion in model container [2021-12-16 04:48:17,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:48:11" (2/3) ... [2021-12-16 04:48:17,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a78811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:48:17, skipping insertion in model container [2021-12-16 04:48:17,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:48:17" (3/3) ... [2021-12-16 04:48:17,215 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2021-12-16 04:48:17,220 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:48:17,220 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-16 04:48:17,266 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:48:17,278 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 [2021-12-16 04:48:17,279 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-16 04:48:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 2440 states, 1688 states have (on average 1.2938388625592416) internal successors, (2184), 1738 states have internal predecessors, (2184), 618 states have call successors, (618), 131 states have call predecessors, (618), 130 states have return successors, (612), 593 states have call predecessors, (612), 612 states have call successors, (612) [2021-12-16 04:48:17,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-16 04:48:17,335 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:48:17,336 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:48:17,336 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-16 04:48:17,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:48:17,339 INFO L85 PathProgramCache]: Analyzing trace with hash 38973541, now seen corresponding path program 1 times [2021-12-16 04:48:17,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:48:17,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254193532] [2021-12-16 04:48:17,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:48:17,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:48:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:48:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:48:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:48:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:48:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:48:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:48:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:48:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-16 04:48:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-16 04:48:18,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:48:18,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254193532] [2021-12-16 04:48:18,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254193532] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:48:18,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:48:18,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:48:18,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949197104] [2021-12-16 04:48:18,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:48:18,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:48:18,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:48:18,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:48:18,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:48:18,348 INFO L87 Difference]: Start difference. First operand has 2440 states, 1688 states have (on average 1.2938388625592416) internal successors, (2184), 1738 states have internal predecessors, (2184), 618 states have call successors, (618), 131 states have call predecessors, (618), 130 states have return successors, (612), 593 states have call predecessors, (612), 612 states have call successors, (612) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 04:48:22,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:48:22,944 INFO L93 Difference]: Finished difference Result 7349 states and 10685 transitions. [2021-12-16 04:48:22,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:48:22,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2021-12-16 04:48:22,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:48:22,994 INFO L225 Difference]: With dead ends: 7349 [2021-12-16 04:48:22,994 INFO L226 Difference]: Without dead ends: 4910 [2021-12-16 04:48:23,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:48:23,021 INFO L933 BasicCegarLoop]: 3714 mSDtfsCounter, 4207 mSDsluCounter, 3983 mSDsCounter, 0 mSdLazyCounter, 2082 mSolverCounterSat, 1657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4709 SdHoareTripleChecker+Valid, 7697 SdHoareTripleChecker+Invalid, 3739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1657 IncrementalHoareTripleChecker+Valid, 2082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:48:23,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4709 Valid, 7697 Invalid, 3739 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1657 Valid, 2082 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-16 04:48:23,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4910 states. [2021-12-16 04:48:23,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4910 to 4720. [2021-12-16 04:48:23,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4720 states, 3269 states have (on average 1.2633832976445396) internal successors, (4130), 3367 states have internal predecessors, (4130), 1191 states have call successors, (1191), 257 states have call predecessors, (1191), 256 states have return successors, (1187), 1149 states have call predecessors, (1187), 1187 states have call successors, (1187) [2021-12-16 04:48:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4720 states to 4720 states and 6508 transitions. [2021-12-16 04:48:23,286 INFO L78 Accepts]: Start accepts. Automaton has 4720 states and 6508 transitions. Word has length 94 [2021-12-16 04:48:23,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:48:23,288 INFO L470 AbstractCegarLoop]: Abstraction has 4720 states and 6508 transitions. [2021-12-16 04:48:23,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 04:48:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4720 states and 6508 transitions. [2021-12-16 04:48:23,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-16 04:48:23,296 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:48:23,301 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:48:23,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:48:23,301 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-16 04:48:23,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:48:23,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1061101067, now seen corresponding path program 1 times [2021-12-16 04:48:23,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:48:23,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442580765] [2021-12-16 04:48:23,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:48:23,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:48:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:48:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:48:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:48:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:48:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:48:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:48:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:48:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-16 04:48:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:23,878 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-16 04:48:23,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:48:23,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442580765] [2021-12-16 04:48:23,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442580765] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:48:23,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:48:23,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:48:23,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820729510] [2021-12-16 04:48:23,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:48:23,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:48:23,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:48:23,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:48:23,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:48:23,881 INFO L87 Difference]: Start difference. First operand 4720 states and 6508 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 04:48:28,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:48:28,110 INFO L93 Difference]: Finished difference Result 12034 states and 16690 transitions. [2021-12-16 04:48:28,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:48:28,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2021-12-16 04:48:28,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:48:28,157 INFO L225 Difference]: With dead ends: 12034 [2021-12-16 04:48:28,157 INFO L226 Difference]: Without dead ends: 7331 [2021-12-16 04:48:28,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:48:28,183 INFO L933 BasicCegarLoop]: 3693 mSDtfsCounter, 4186 mSDsluCounter, 4051 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 1689 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4690 SdHoareTripleChecker+Valid, 7744 SdHoareTripleChecker+Invalid, 3765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1689 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-16 04:48:28,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4690 Valid, 7744 Invalid, 3765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1689 Valid, 2076 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-16 04:48:28,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7331 states. [2021-12-16 04:48:28,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7331 to 7033. [2021-12-16 04:48:28,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7033 states, 4872 states have (on average 1.2610837438423645) internal successors, (6144), 5021 states have internal predecessors, (6144), 1772 states have call successors, (1772), 386 states have call predecessors, (1772), 385 states have return successors, (1768), 1706 states have call predecessors, (1768), 1768 states have call successors, (1768) [2021-12-16 04:48:28,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7033 states to 7033 states and 9684 transitions. [2021-12-16 04:48:28,458 INFO L78 Accepts]: Start accepts. Automaton has 7033 states and 9684 transitions. Word has length 95 [2021-12-16 04:48:28,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:48:28,459 INFO L470 AbstractCegarLoop]: Abstraction has 7033 states and 9684 transitions. [2021-12-16 04:48:28,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 04:48:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 7033 states and 9684 transitions. [2021-12-16 04:48:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-16 04:48:28,462 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:48:28,462 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:48:28,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:48:28,463 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-16 04:48:28,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:48:28,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1782373060, now seen corresponding path program 1 times [2021-12-16 04:48:28,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:48:28,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873839594] [2021-12-16 04:48:28,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:48:28,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:48:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:28,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:48:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:48:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:28,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:28,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:48:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:28,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:48:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:48:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:28,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:48:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:48:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:29,046 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-16 04:48:29,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:48:29,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873839594] [2021-12-16 04:48:29,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873839594] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:48:29,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:48:29,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:48:29,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057115491] [2021-12-16 04:48:29,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:48:29,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:48:29,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:48:29,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:48:29,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:48:29,052 INFO L87 Difference]: Start difference. First operand 7033 states and 9684 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:48:38,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:48:38,271 INFO L93 Difference]: Finished difference Result 21840 states and 30170 transitions. [2021-12-16 04:48:38,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:48:38,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2021-12-16 04:48:38,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:48:38,374 INFO L225 Difference]: With dead ends: 21840 [2021-12-16 04:48:38,376 INFO L226 Difference]: Without dead ends: 14824 [2021-12-16 04:48:38,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:48:38,411 INFO L933 BasicCegarLoop]: 4039 mSDtfsCounter, 16529 mSDsluCounter, 5763 mSDsCounter, 0 mSdLazyCounter, 5484 mSolverCounterSat, 7985 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17451 SdHoareTripleChecker+Valid, 9802 SdHoareTripleChecker+Invalid, 13469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7985 IncrementalHoareTripleChecker+Valid, 5484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-12-16 04:48:38,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17451 Valid, 9802 Invalid, 13469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7985 Valid, 5484 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2021-12-16 04:48:38,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14824 states. [2021-12-16 04:48:38,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14824 to 14138. [2021-12-16 04:48:38,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14138 states, 9850 states have (on average 1.2633502538071066) internal successors, (12444), 10178 states have internal predecessors, (12444), 3450 states have call successors, (3450), 839 states have call predecessors, (3450), 834 states have return successors, (3446), 3294 states have call predecessors, (3446), 3446 states have call successors, (3446) [2021-12-16 04:48:38,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14138 states to 14138 states and 19340 transitions. [2021-12-16 04:48:38,859 INFO L78 Accepts]: Start accepts. Automaton has 14138 states and 19340 transitions. Word has length 97 [2021-12-16 04:48:38,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:48:38,861 INFO L470 AbstractCegarLoop]: Abstraction has 14138 states and 19340 transitions. [2021-12-16 04:48:38,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:48:38,862 INFO L276 IsEmpty]: Start isEmpty. Operand 14138 states and 19340 transitions. [2021-12-16 04:48:38,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-16 04:48:38,866 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:48:38,866 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:48:38,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:48:38,867 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-16 04:48:38,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:48:38,867 INFO L85 PathProgramCache]: Analyzing trace with hash -218919595, now seen corresponding path program 1 times [2021-12-16 04:48:38,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:48:38,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283828622] [2021-12-16 04:48:38,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:48:38,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:48:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:48:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:48:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:48:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:48:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:48:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:48:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:48:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:39,342 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-16 04:48:39,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:48:39,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283828622] [2021-12-16 04:48:39,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283828622] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:48:39,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:48:39,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:48:39,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14705631] [2021-12-16 04:48:39,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:48:39,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:48:39,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:48:39,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:48:39,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:48:39,344 INFO L87 Difference]: Start difference. First operand 14138 states and 19340 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:48:43,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:48:43,337 INFO L93 Difference]: Finished difference Result 36144 states and 49494 transitions. [2021-12-16 04:48:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:48:43,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 103 [2021-12-16 04:48:43,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:48:43,433 INFO L225 Difference]: With dead ends: 36144 [2021-12-16 04:48:43,433 INFO L226 Difference]: Without dead ends: 22023 [2021-12-16 04:48:43,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:48:43,485 INFO L933 BasicCegarLoop]: 3659 mSDtfsCounter, 4038 mSDsluCounter, 3994 mSDsCounter, 0 mSdLazyCounter, 2028 mSolverCounterSat, 1655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4511 SdHoareTripleChecker+Valid, 7653 SdHoareTripleChecker+Invalid, 3683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1655 IncrementalHoareTripleChecker+Valid, 2028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-16 04:48:43,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4511 Valid, 7653 Invalid, 3683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1655 Valid, 2028 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-16 04:48:43,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22023 states. [2021-12-16 04:48:44,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22023 to 21064. [2021-12-16 04:48:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21064 states, 14724 states have (on average 1.256248302091823) internal successors, (18497), 15184 states have internal predecessors, (18497), 5044 states have call successors, (5044), 1307 states have call predecessors, (5044), 1292 states have return successors, (5046), 4818 states have call predecessors, (5046), 5040 states have call successors, (5046) [2021-12-16 04:48:44,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21064 states to 21064 states and 28587 transitions. [2021-12-16 04:48:44,170 INFO L78 Accepts]: Start accepts. Automaton has 21064 states and 28587 transitions. Word has length 103 [2021-12-16 04:48:44,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:48:44,170 INFO L470 AbstractCegarLoop]: Abstraction has 21064 states and 28587 transitions. [2021-12-16 04:48:44,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:48:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 21064 states and 28587 transitions. [2021-12-16 04:48:44,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-16 04:48:44,173 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:48:44,173 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:48:44,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 04:48:44,174 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-16 04:48:44,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:48:44,174 INFO L85 PathProgramCache]: Analyzing trace with hash 346365365, now seen corresponding path program 1 times [2021-12-16 04:48:44,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:48:44,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665368832] [2021-12-16 04:48:44,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:48:44,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:48:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:48:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:48:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:48:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:48:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:48:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:48:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:48:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 04:48:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-16 04:48:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:48:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:48:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 04:48:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:48:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 04:48:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:44,697 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-12-16 04:48:44,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:48:44,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665368832] [2021-12-16 04:48:44,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665368832] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:48:44,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:48:44,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:48:44,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711824366] [2021-12-16 04:48:44,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:48:44,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:48:44,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:48:44,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:48:44,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:48:44,700 INFO L87 Difference]: Start difference. First operand 21064 states and 28587 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-16 04:48:49,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:48:49,224 INFO L93 Difference]: Finished difference Result 62775 states and 85807 transitions. [2021-12-16 04:48:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:48:49,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 166 [2021-12-16 04:48:49,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:48:49,420 INFO L225 Difference]: With dead ends: 62775 [2021-12-16 04:48:49,421 INFO L226 Difference]: Without dead ends: 42327 [2021-12-16 04:48:49,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:48:49,525 INFO L933 BasicCegarLoop]: 4791 mSDtfsCounter, 3809 mSDsluCounter, 4578 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 1410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4307 SdHoareTripleChecker+Valid, 9369 SdHoareTripleChecker+Invalid, 3546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1410 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-16 04:48:49,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4307 Valid, 9369 Invalid, 3546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1410 Valid, 2136 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-16 04:48:49,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42327 states. [2021-12-16 04:48:50,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42327 to 40534. [2021-12-16 04:48:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40534 states, 28294 states have (on average 1.2557079239414717) internal successors, (35529), 29146 states have internal predecessors, (35529), 9734 states have call successors, (9734), 2523 states have call predecessors, (9734), 2502 states have return successors, (9742), 9348 states have call predecessors, (9742), 9730 states have call successors, (9742) [2021-12-16 04:48:50,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40534 states to 40534 states and 55005 transitions. [2021-12-16 04:48:50,882 INFO L78 Accepts]: Start accepts. Automaton has 40534 states and 55005 transitions. Word has length 166 [2021-12-16 04:48:50,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:48:50,883 INFO L470 AbstractCegarLoop]: Abstraction has 40534 states and 55005 transitions. [2021-12-16 04:48:50,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-16 04:48:50,884 INFO L276 IsEmpty]: Start isEmpty. Operand 40534 states and 55005 transitions. [2021-12-16 04:48:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-16 04:48:50,887 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:48:50,887 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:48:50,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 04:48:50,887 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-16 04:48:50,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:48:50,888 INFO L85 PathProgramCache]: Analyzing trace with hash 486913975, now seen corresponding path program 1 times [2021-12-16 04:48:50,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:48:50,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288482248] [2021-12-16 04:48:50,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:48:50,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:48:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:48:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:48:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:48:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:48:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:48:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:48:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:48:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 04:48:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-16 04:48:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:48:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:48:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 04:48:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:48:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 04:48:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:51,579 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-12-16 04:48:51,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:48:51,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288482248] [2021-12-16 04:48:51,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288482248] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:48:51,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:48:51,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:48:51,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898954694] [2021-12-16 04:48:51,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:48:51,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:48:51,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:48:51,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:48:51,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:48:51,582 INFO L87 Difference]: Start difference. First operand 40534 states and 55005 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 04:48:55,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:48:55,018 INFO L93 Difference]: Finished difference Result 42327 states and 57959 transitions. [2021-12-16 04:48:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:48:55,019 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 166 [2021-12-16 04:48:55,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:48:55,223 INFO L225 Difference]: With dead ends: 42327 [2021-12-16 04:48:55,223 INFO L226 Difference]: Without dead ends: 42325 [2021-12-16 04:48:55,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:48:55,259 INFO L933 BasicCegarLoop]: 3191 mSDtfsCounter, 3495 mSDsluCounter, 6529 mSDsCounter, 0 mSdLazyCounter, 2314 mSolverCounterSat, 1067 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3871 SdHoareTripleChecker+Valid, 9720 SdHoareTripleChecker+Invalid, 3381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1067 IncrementalHoareTripleChecker+Valid, 2314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:48:55,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3871 Valid, 9720 Invalid, 3381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1067 Valid, 2314 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-16 04:48:55,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42325 states. [2021-12-16 04:48:56,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42325 to 40538. [2021-12-16 04:48:56,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40538 states, 28297 states have (on average 1.2556808142205889) internal successors, (35532), 29149 states have internal predecessors, (35532), 9734 states have call successors, (9734), 2524 states have call predecessors, (9734), 2503 states have return successors, (9742), 9348 states have call predecessors, (9742), 9730 states have call successors, (9742) [2021-12-16 04:48:56,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40538 states to 40538 states and 55008 transitions. [2021-12-16 04:48:56,530 INFO L78 Accepts]: Start accepts. Automaton has 40538 states and 55008 transitions. Word has length 166 [2021-12-16 04:48:56,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:48:56,531 INFO L470 AbstractCegarLoop]: Abstraction has 40538 states and 55008 transitions. [2021-12-16 04:48:56,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 04:48:56,531 INFO L276 IsEmpty]: Start isEmpty. Operand 40538 states and 55008 transitions. [2021-12-16 04:48:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-16 04:48:56,534 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:48:56,534 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:48:56,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 04:48:56,534 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-16 04:48:56,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:48:56,535 INFO L85 PathProgramCache]: Analyzing trace with hash -712533819, now seen corresponding path program 1 times [2021-12-16 04:48:56,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:48:56,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027331366] [2021-12-16 04:48:56,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:48:56,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:48:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:48:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:48:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:48:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:48:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:48:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:48:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:48:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 04:48:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-16 04:48:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:48:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:48:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:48:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 04:48:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:48:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 04:48:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 04:48:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:48:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-12-16 04:48:57,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:48:57,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027331366] [2021-12-16 04:48:57,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027331366] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:48:57,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:48:57,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:48:57,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662644542] [2021-12-16 04:48:57,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:48:57,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:48:57,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:48:57,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:48:57,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:48:57,328 INFO L87 Difference]: Start difference. First operand 40538 states and 55008 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)