./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-can-mcp251x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.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 34736e16fed7ff8cc88604084fa777d707e75948c95ce657a43a86ad92782d71 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:44:32,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:44:32,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:44:32,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:44:32,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:44:32,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:44:32,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:44:32,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:44:32,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:44:32,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:44:32,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:44:32,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:44:32,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:44:32,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:44:32,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:44:32,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:44:32,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:44:32,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:44:32,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:44:32,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:44:32,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:44:32,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:44:32,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:44:32,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:44:32,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:44:32,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:44:32,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:44:32,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:44:32,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:44:32,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:44:32,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:44:32,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:44:32,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:44:32,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:44:32,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:44:32,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:44:32,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:44:32,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:44:32,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:44:32,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:44:32,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:44:32,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:44:32,519 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:44:32,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:44:32,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:44:32,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:44:32,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:44:32,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:44:32,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:44:32,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:44:32,522 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:44:32,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:44:32,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:44:32,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:44:32,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:44:32,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:44:32,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:44:32,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:44:32,524 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:44:32,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:44:32,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:44:32,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:44:32,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:44:32,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:44:32,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:44:32,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:44:32,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:44:32,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:44:32,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:44:32,526 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:44:32,526 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:44:32,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:44:32,527 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34736e16fed7ff8cc88604084fa777d707e75948c95ce657a43a86ad92782d71 [2021-12-28 04:44:32,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:44:32,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:44:32,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:44:32,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:44:32,837 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:44:32,838 INFO L432 ainManager$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-can-mcp251x.cil.i [2021-12-28 04:44:32,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5cb2e1c/7840666e432b4b13ab9ccaf0c0db149c/FLAGf097553cd [2021-12-28 04:44:33,495 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:44:33,495 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-can-mcp251x.cil.i [2021-12-28 04:44:33,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5cb2e1c/7840666e432b4b13ab9ccaf0c0db149c/FLAGf097553cd [2021-12-28 04:44:33,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5cb2e1c/7840666e432b4b13ab9ccaf0c0db149c [2021-12-28 04:44:33,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:44:33,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:44:33,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:44:33,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:44:33,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:44:33,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:44:33" (1/1) ... [2021-12-28 04:44:33,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f82e54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:33, skipping insertion in model container [2021-12-28 04:44:33,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:44:33" (1/1) ... [2021-12-28 04:44:33,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:44:33,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:44:35,101 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-can-mcp251x.cil.i[278128,278141] [2021-12-28 04:44:35,104 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-can-mcp251x.cil.i[278294,278307] [2021-12-28 04:44:35,104 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-can-mcp251x.cil.i[278458,278471] [2021-12-28 04:44:35,104 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-can-mcp251x.cil.i[278623,278636] [2021-12-28 04:44:35,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:44:35,149 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:44:35,396 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-can-mcp251x.cil.i[278128,278141] [2021-12-28 04:44:35,397 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-can-mcp251x.cil.i[278294,278307] [2021-12-28 04:44:35,397 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-can-mcp251x.cil.i[278458,278471] [2021-12-28 04:44:35,397 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-can-mcp251x.cil.i[278623,278636] [2021-12-28 04:44:35,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:44:35,486 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:44:35,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:35 WrapperNode [2021-12-28 04:44:35,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:44:35,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:44:35,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:44:35,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:44:35,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:35" (1/1) ... [2021-12-28 04:44:35,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:35" (1/1) ... [2021-12-28 04:44:35,680 INFO L137 Inliner]: procedures = 340, calls = 1497, calls flagged for inlining = 194, calls inlined = 177, statements flattened = 4027 [2021-12-28 04:44:35,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:44:35,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:44:35,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:44:35,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:44:35,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:35" (1/1) ... [2021-12-28 04:44:35,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:35" (1/1) ... [2021-12-28 04:44:35,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:35" (1/1) ... [2021-12-28 04:44:35,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:35" (1/1) ... [2021-12-28 04:44:35,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:35" (1/1) ... [2021-12-28 04:44:35,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:35" (1/1) ... [2021-12-28 04:44:35,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:35" (1/1) ... [2021-12-28 04:44:35,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:44:35,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:44:35,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:44:35,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:44:35,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:35" (1/1) ... [2021-12-28 04:44:35,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:44:35,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:44:35,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:44:35,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:44:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:44:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:44:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:44:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:44:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:44:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:44:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:44:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:44:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2021-12-28 04:44:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2021-12-28 04:44:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:44:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:44:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2021-12-28 04:44:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2021-12-28 04:44:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:44:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:44:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2021-12-28 04:44:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2021-12-28 04:44:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2021-12-28 04:44:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2021-12-28 04:44:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2021-12-28 04:44:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2021-12-28 04:44:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-28 04:44:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-28 04:44:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2021-12-28 04:44:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2021-12-28 04:44:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:44:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:44:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:44:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:44:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:44:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:44:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2021-12-28 04:44:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2021-12-28 04:44:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2021-12-28 04:44:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2021-12-28 04:44:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:44:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:44:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-28 04:44:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-28 04:44:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2021-12-28 04:44:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2021-12-28 04:44:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2021-12-28 04:44:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2021-12-28 04:44:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:44:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:44:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2021-12-28 04:44:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2021-12-28 04:44:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-28 04:44:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-28 04:44:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:44:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:44:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:44:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:44:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2021-12-28 04:44:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2021-12-28 04:44:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:44:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:44:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:44:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:44:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2021-12-28 04:44:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2021-12-28 04:44:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-12-28 04:44:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-12-28 04:44:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 04:44:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 04:44:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-28 04:44:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-28 04:44:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-12-28 04:44:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-12-28 04:44:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:44:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2021-12-28 04:44:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2021-12-28 04:44:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:44:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:44:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2021-12-28 04:44:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2021-12-28 04:44:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:44:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:44:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:44:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2021-12-28 04:44:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2021-12-28 04:44:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2021-12-28 04:44:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2021-12-28 04:44:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-28 04:44:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-28 04:44:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:44:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-28 04:44:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-28 04:44:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2021-12-28 04:44:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2021-12-28 04:44:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2021-12-28 04:44:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2021-12-28 04:44:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:44:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:44:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:44:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:44:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2021-12-28 04:44:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2021-12-28 04:44:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-28 04:44:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-28 04:44:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2021-12-28 04:44:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2021-12-28 04:44:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:44:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mcp_lock_of_mcp251x_priv [2021-12-28 04:44:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mcp_lock_of_mcp251x_priv [2021-12-28 04:44:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2021-12-28 04:44:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2021-12-28 04:44:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2021-12-28 04:44:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2021-12-28 04:44:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mcp_lock_of_mcp251x_priv [2021-12-28 04:44:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mcp_lock_of_mcp251x_priv [2021-12-28 04:44:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:44:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:44:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2021-12-28 04:44:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2021-12-28 04:44:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:44:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:44:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:44:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:44:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:44:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-28 04:44:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-28 04:44:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-28 04:44:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-28 04:44:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2021-12-28 04:44:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2021-12-28 04:44:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:44:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:44:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:44:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:44:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:44:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:44:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2021-12-28 04:44:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2021-12-28 04:44:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:44:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:44:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:44:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:44:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2021-12-28 04:44:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2021-12-28 04:44:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:44:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:44:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2021-12-28 04:44:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2021-12-28 04:44:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:44:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:44:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-28 04:44:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-28 04:44:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:44:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:44:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:44:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:44:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2021-12-28 04:44:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2021-12-28 04:44:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2021-12-28 04:44:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2021-12-28 04:44:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:44:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2021-12-28 04:44:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2021-12-28 04:44:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2021-12-28 04:44:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2021-12-28 04:44:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-28 04:44:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-28 04:44:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:44:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:44:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:44:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:44:35,935 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:44:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:44:36,520 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:44:36,523 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:44:36,798 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:45:13,569 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:45:14,284 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:45:14,296 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:45:14,297 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:45:14,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:45:14 BoogieIcfgContainer [2021-12-28 04:45:14,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:45:14,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:45:14,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:45:14,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:45:14,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:44:33" (1/3) ... [2021-12-28 04:45:14,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618146a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:45:14, skipping insertion in model container [2021-12-28 04:45:14,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:44:35" (2/3) ... [2021-12-28 04:45:14,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618146a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:45:14, skipping insertion in model container [2021-12-28 04:45:14,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:45:14" (3/3) ... [2021-12-28 04:45:14,304 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i [2021-12-28 04:45:14,308 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:45:14,308 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 04:45:14,341 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:45:14,346 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:45:14,346 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 04:45:14,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 1470 states, 1032 states have (on average 1.2848837209302326) internal successors, (1326), 1055 states have internal predecessors, (1326), 359 states have call successors, (359), 77 states have call predecessors, (359), 76 states have return successors, (350), 344 states have call predecessors, (350), 350 states have call successors, (350) [2021-12-28 04:45:14,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-28 04:45:14,384 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:45:14,385 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:45:14,385 INFO L402 AbstractCegarLoop]: === Iteration 1 === 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:45:14,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:45:14,393 INFO L85 PathProgramCache]: Analyzing trace with hash -809802598, now seen corresponding path program 1 times [2021-12-28 04:45:14,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:45:14,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034478098] [2021-12-28 04:45:14,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:45:14,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:45:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:45:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:45:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:45:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:45:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:45:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:45:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:45:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:45:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:45:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:45:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:45:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:45:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:45:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:15,405 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2021-12-28 04:45:15,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:45:15,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034478098] [2021-12-28 04:45:15,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034478098] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:45:15,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:45:15,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:45:15,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857490141] [2021-12-28 04:45:15,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:45:15,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:45:15,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:45:15,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:45:15,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:45:15,433 INFO L87 Difference]: Start difference. First operand has 1470 states, 1032 states have (on average 1.2848837209302326) internal successors, (1326), 1055 states have internal predecessors, (1326), 359 states have call successors, (359), 77 states have call predecessors, (359), 76 states have return successors, (350), 344 states have call predecessors, (350), 350 states have call successors, (350) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-28 04:45:17,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:45:19,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:45:27,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:45:27,818 INFO L93 Difference]: Finished difference Result 4247 states and 6075 transitions. [2021-12-28 04:45:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:45:27,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 149 [2021-12-28 04:45:27,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:45:27,855 INFO L225 Difference]: With dead ends: 4247 [2021-12-28 04:45:27,855 INFO L226 Difference]: Without dead ends: 2786 [2021-12-28 04:45:27,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:45:27,871 INFO L933 BasicCegarLoop]: 2224 mSDtfsCounter, 2267 mSDsluCounter, 2461 mSDsCounter, 0 mSdLazyCounter, 1221 mSolverCounterSat, 927 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2500 SdHoareTripleChecker+Valid, 4685 SdHoareTripleChecker+Invalid, 2150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 927 IncrementalHoareTripleChecker+Valid, 1221 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:45:27,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2500 Valid, 4685 Invalid, 2150 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [927 Valid, 1221 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2021-12-28 04:45:27,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2021-12-28 04:45:28,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2723. [2021-12-28 04:45:28,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2723 states, 1926 states have (on average 1.2725856697819315) internal successors, (2451), 1973 states have internal predecessors, (2451), 645 states have call successors, (645), 149 states have call predecessors, (645), 149 states have return successors, (735), 623 states have call predecessors, (735), 641 states have call successors, (735) [2021-12-28 04:45:28,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2723 states and 3831 transitions. [2021-12-28 04:45:28,052 INFO L78 Accepts]: Start accepts. Automaton has 2723 states and 3831 transitions. Word has length 149 [2021-12-28 04:45:28,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:45:28,056 INFO L470 AbstractCegarLoop]: Abstraction has 2723 states and 3831 transitions. [2021-12-28 04:45:28,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-28 04:45:28,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 3831 transitions. [2021-12-28 04:45:28,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-28 04:45:28,066 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:45:28,082 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:45:28,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:45:28,083 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:45:28,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:45:28,083 INFO L85 PathProgramCache]: Analyzing trace with hash -692997161, now seen corresponding path program 1 times [2021-12-28 04:45:28,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:45:28,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774427104] [2021-12-28 04:45:28,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:45:28,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:45:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:45:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:45:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:45:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:45:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:45:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:45:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:45:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:45:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:45:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:45:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:45:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:45:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 04:45:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2021-12-28 04:45:28,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:45:28,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774427104] [2021-12-28 04:45:28,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774427104] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:45:28,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:45:28,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:45:28,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346530032] [2021-12-28 04:45:28,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:45:28,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:45:28,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:45:28,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:45:28,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:45:28,606 INFO L87 Difference]: Start difference. First operand 2723 states and 3831 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-28 04:45:30,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:45:32,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:45:36,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:45:42,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:45:42,003 INFO L93 Difference]: Finished difference Result 8032 states and 11331 transitions. [2021-12-28 04:45:42,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:45:42,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 151 [2021-12-28 04:45:42,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:45:42,044 INFO L225 Difference]: With dead ends: 8032 [2021-12-28 04:45:42,045 INFO L226 Difference]: Without dead ends: 5336 [2021-12-28 04:45:42,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:45:42,064 INFO L933 BasicCegarLoop]: 2196 mSDtfsCounter, 2284 mSDsluCounter, 2420 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 884 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2534 SdHoareTripleChecker+Valid, 4616 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 884 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:45:42,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2534 Valid, 4616 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [884 Valid, 1224 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2021-12-28 04:45:42,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5336 states. [2021-12-28 04:45:42,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5336 to 5242. [2021-12-28 04:45:42,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5242 states, 3724 states have (on average 1.2725563909774436) internal successors, (4739), 3808 states have internal predecessors, (4739), 1222 states have call successors, (1222), 294 states have call predecessors, (1222), 293 states have return successors, (1406), 1183 states have call predecessors, (1406), 1218 states have call successors, (1406) [2021-12-28 04:45:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5242 states to 5242 states and 7367 transitions. [2021-12-28 04:45:42,252 INFO L78 Accepts]: Start accepts. Automaton has 5242 states and 7367 transitions. Word has length 151 [2021-12-28 04:45:42,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:45:42,253 INFO L470 AbstractCegarLoop]: Abstraction has 5242 states and 7367 transitions. [2021-12-28 04:45:42,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-28 04:45:42,253 INFO L276 IsEmpty]: Start isEmpty. Operand 5242 states and 7367 transitions. [2021-12-28 04:45:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-28 04:45:42,255 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:45:42,255 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:45:42,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:45:42,256 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:45:42,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:45:42,256 INFO L85 PathProgramCache]: Analyzing trace with hash -725158502, now seen corresponding path program 1 times [2021-12-28 04:45:42,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:45:42,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285977326] [2021-12-28 04:45:42,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:45:42,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:45:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:45:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:45:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:45:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:45:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:45:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:45:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:45:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:45:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:45:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:45:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:45:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:45:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:45:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:45:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2021-12-28 04:45:42,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:45:42,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285977326] [2021-12-28 04:45:42,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285977326] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:45:42,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:45:42,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:45:42,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428915174] [2021-12-28 04:45:42,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:45:42,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:45:42,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:45:42,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:45:42,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:45:42,731 INFO L87 Difference]: Start difference. First operand 5242 states and 7367 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)