./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-spinlock_drivers-net-ethernet-cisco-enic-enic.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-spinlock_drivers-net-ethernet-cisco-enic-enic.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 e67e2bc34fcbd2c73471c74297e951ab7d19e1786ef29ca314a337764da3d651 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 11:02:19,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 11:02:19,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 11:02:19,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 11:02:19,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 11:02:19,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 11:02:19,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 11:02:19,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 11:02:19,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 11:02:19,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 11:02:19,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 11:02:19,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 11:02:19,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 11:02:19,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 11:02:19,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 11:02:19,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 11:02:19,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 11:02:19,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 11:02:19,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 11:02:19,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 11:02:19,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 11:02:19,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 11:02:19,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 11:02:19,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 11:02:19,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 11:02:19,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 11:02:19,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 11:02:19,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 11:02:19,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 11:02:19,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 11:02:19,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 11:02:19,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 11:02:19,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 11:02:19,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 11:02:19,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 11:02:19,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 11:02:19,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 11:02:19,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 11:02:19,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 11:02:19,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 11:02:19,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 11:02:19,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 11:02:19,415 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 11:02:19,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 11:02:19,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 11:02:19,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 11:02:19,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 11:02:19,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 11:02:19,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 11:02:19,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 11:02:19,420 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 11:02:19,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 11:02:19,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 11:02:19,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 11:02:19,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 11:02:19,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 11:02:19,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 11:02:19,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 11:02:19,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 11:02:19,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 11:02:19,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 11:02:19,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 11:02:19,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 11:02:19,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:02:19,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 11:02:19,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 11:02:19,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 11:02:19,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 11:02:19,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 11:02:19,424 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 11:02:19,424 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 11:02:19,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 11:02:19,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 11:02:19,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e67e2bc34fcbd2c73471c74297e951ab7d19e1786ef29ca314a337764da3d651 [2021-12-18 11:02:19,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 11:02:19,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 11:02:19,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 11:02:19,673 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 11:02:19,674 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 11:02:19,675 INFO L432 ainManager$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-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-18 11:02:19,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c938060/354ca6abb04e4b2b9b12f43bb397cd70/FLAG82e38acf3 [2021-12-18 11:02:20,662 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 11:02:20,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-18 11:02:20,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c938060/354ca6abb04e4b2b9b12f43bb397cd70/FLAG82e38acf3 [2021-12-18 11:02:21,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c938060/354ca6abb04e4b2b9b12f43bb397cd70 [2021-12-18 11:02:21,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 11:02:21,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 11:02:21,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 11:02:21,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 11:02:21,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 11:02:21,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:02:21" (1/1) ... [2021-12-18 11:02:21,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c84f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:21, skipping insertion in model container [2021-12-18 11:02:21,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:02:21" (1/1) ... [2021-12-18 11:02:21,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 11:02:21,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 11:02:26,782 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-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[570919,570932] [2021-12-18 11:02:26,785 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-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571088,571101] [2021-12-18 11:02:26,785 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-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571255,571268] [2021-12-18 11:02:26,786 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-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571423,571436] [2021-12-18 11:02:26,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:02:26,925 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 11:02:27,484 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-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[570919,570932] [2021-12-18 11:02:27,485 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-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571088,571101] [2021-12-18 11:02:27,485 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-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571255,571268] [2021-12-18 11:02:27,486 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-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571423,571436] [2021-12-18 11:02:27,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:02:27,869 INFO L208 MainTranslator]: Completed translation [2021-12-18 11:02:27,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:27 WrapperNode [2021-12-18 11:02:27,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 11:02:27,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 11:02:27,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 11:02:27,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 11:02:27,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:27" (1/1) ... [2021-12-18 11:02:28,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:27" (1/1) ... [2021-12-18 11:02:28,428 INFO L137 Inliner]: procedures = 796, calls = 5186, calls flagged for inlining = 373, calls inlined = 355, statements flattened = 12937 [2021-12-18 11:02:28,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 11:02:28,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 11:02:28,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 11:02:28,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 11:02:28,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:27" (1/1) ... [2021-12-18 11:02:28,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:27" (1/1) ... [2021-12-18 11:02:28,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:27" (1/1) ... [2021-12-18 11:02:28,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:27" (1/1) ... [2021-12-18 11:02:28,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:27" (1/1) ... [2021-12-18 11:02:28,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:27" (1/1) ... [2021-12-18 11:02:28,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:27" (1/1) ... [2021-12-18 11:02:28,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 11:02:28,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 11:02:28,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 11:02:28,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 11:02:28,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:27" (1/1) ... [2021-12-18 11:02:28,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:02:28,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 11:02:28,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 11:02:28,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 11:02:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-12-18 11:02:28,974 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-12-18 11:02:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-18 11:02:28,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-18 11:02:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-12-18 11:02:28,975 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-12-18 11:02:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-12-18 11:02:28,975 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-12-18 11:02:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-12-18 11:02:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-12-18 11:02:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-12-18 11:02:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-12-18 11:02:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-12-18 11:02:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-12-18 11:02:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-12-18 11:02:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-12-18 11:02:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:02:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:02:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-12-18 11:02:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-12-18 11:02:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-12-18 11:02:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-12-18 11:02:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-12-18 11:02:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-12-18 11:02:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-12-18 11:02:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-12-18 11:02:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 11:02:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 11:02:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 11:02:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 11:02:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 11:02:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 11:02:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-12-18 11:02:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-12-18 11:02:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 11:02:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-12-18 11:02:28,980 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-12-18 11:02:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 11:02:28,980 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 11:02:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-12-18 11:02:28,980 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-12-18 11:02:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-12-18 11:02:28,980 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-12-18 11:02:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 11:02:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 11:02:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-12-18 11:02:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-12-18 11:02:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_105 [2021-12-18 11:02:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_105 [2021-12-18 11:02:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-12-18 11:02:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-12-18 11:02:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-12-18 11:02:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-12-18 11:02:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-12-18 11:02:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-12-18 11:02:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 11:02:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 11:02:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-12-18 11:02:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-12-18 11:02:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-18 11:02:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-18 11:02:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-12-18 11:02:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-12-18 11:02:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-18 11:02:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-18 11:02:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-12-18 11:02:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-12-18 11:02:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 11:02:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 11:02:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 11:02:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 11:02:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 11:02:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-12-18 11:02:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-12-18 11:02:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 11:02:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 11:02:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-12-18 11:02:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-12-18 11:02:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 11:02:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 11:02:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 11:02:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 11:02:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 11:02:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 11:02:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 11:02:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 11:02:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-12-18 11:02:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-12-18 11:02:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-18 11:02:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-18 11:02:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 11:02:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 11:02:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-12-18 11:02:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-12-18 11:02:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:02:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:02:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 11:02:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 11:02:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 11:02:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 11:02:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 11:02:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-12-18 11:02:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-12-18 11:02:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 11:02:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 11:02:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-12-18 11:02:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-12-18 11:02:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 11:02:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 11:02:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 11:02:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 11:02:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 11:02:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 11:02:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-12-18 11:02:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-12-18 11:02:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 11:02:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 11:02:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 11:02:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-12-18 11:02:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-12-18 11:02:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 11:02:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 11:02:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-12-18 11:02:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-12-18 11:02:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-18 11:02:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-18 11:02:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 11:02:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 11:02:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 11:02:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 11:02:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-12-18 11:02:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-12-18 11:02:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-12-18 11:02:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-12-18 11:02:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 11:02:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 11:02:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-12-18 11:02:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-12-18 11:02:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-18 11:02:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-18 11:02:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 11:02:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 11:02:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-12-18 11:02:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-12-18 11:02:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-12-18 11:02:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-12-18 11:02:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-12-18 11:02:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-12-18 11:02:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 11:02:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 11:02:28,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 11:02:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 11:02:28,996 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 11:02:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 11:02:28,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 11:02:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 11:02:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 11:02:28,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 11:02:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 11:02:28,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 11:02:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-18 11:02:28,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-18 11:02:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 11:02:28,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 11:02:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 11:02:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 11:02:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-12-18 11:02:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-12-18 11:02:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 11:02:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 11:02:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 11:02:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 11:02:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-12-18 11:02:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-12-18 11:02:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 11:02:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 11:02:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 11:02:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-12-18 11:02:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-12-18 11:02:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 11:02:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-12-18 11:02:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-12-18 11:02:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-12-18 11:02:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-12-18 11:02:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-12-18 11:02:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-12-18 11:02:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-12-18 11:02:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-12-18 11:02:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 11:02:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 11:02:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-12-18 11:02:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-12-18 11:02:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 11:02:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 11:02:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 11:02:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 11:02:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-12-18 11:02:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-12-18 11:02:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-12-18 11:02:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-12-18 11:02:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 11:02:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 11:02:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-12-18 11:02:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-12-18 11:02:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-12-18 11:02:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-12-18 11:02:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-12-18 11:02:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-12-18 11:02:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 11:02:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 11:02:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-18 11:02:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-18 11:02:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 11:02:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 11:02:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 11:02:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-12-18 11:02:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-12-18 11:02:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-12-18 11:02:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-12-18 11:02:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 11:02:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 11:02:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-12-18 11:02:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-12-18 11:02:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_83 [2021-12-18 11:02:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_83 [2021-12-18 11:02:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-12-18 11:02:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-12-18 11:02:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-12-18 11:02:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-12-18 11:02:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-12-18 11:02:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-12-18 11:02:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_104 [2021-12-18 11:02:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_104 [2021-12-18 11:02:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-12-18 11:02:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-12-18 11:02:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-12-18 11:02:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-12-18 11:02:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-18 11:02:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-18 11:02:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-12-18 11:02:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-12-18 11:02:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 11:02:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 11:02:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-12-18 11:02:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-12-18 11:02:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 11:02:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 11:02:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-12-18 11:02:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-12-18 11:02:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-18 11:02:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-18 11:02:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-12-18 11:02:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-12-18 11:02:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-12-18 11:02:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-12-18 11:02:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-12-18 11:02:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-12-18 11:02:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 11:02:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 11:02:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 11:02:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 11:02:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-18 11:02:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-18 11:02:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-12-18 11:02:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-12-18 11:02:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-12-18 11:02:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-12-18 11:02:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 11:02:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 11:02:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 11:02:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 11:02:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-12-18 11:02:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-12-18 11:02:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-12-18 11:02:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-12-18 11:02:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-12-18 11:02:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-12-18 11:02:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 11:02:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 11:02:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-12-18 11:02:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-12-18 11:02:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-12-18 11:02:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-12-18 11:02:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 11:02:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 11:02:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-12-18 11:02:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-12-18 11:02:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-12-18 11:02:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-12-18 11:02:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-12-18 11:02:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-12-18 11:02:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 11:02:29,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 11:02:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 11:02:29,015 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 11:02:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 11:02:29,015 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 11:02:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 11:02:29,015 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 11:02:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 11:02:29,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 11:02:29,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 11:02:29,016 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-12-18 11:02:29,016 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-12-18 11:02:29,016 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-12-18 11:02:29,016 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-12-18 11:02:29,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-18 11:02:29,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-18 11:02:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-18 11:02:29,017 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-18 11:02:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-12-18 11:02:29,017 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-12-18 11:02:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 11:02:29,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 11:02:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-12-18 11:02:29,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-12-18 11:02:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-18 11:02:29,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-18 11:02:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 11:02:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 11:02:29,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 11:02:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 11:02:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-12-18 11:02:29,019 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-12-18 11:02:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 11:02:29,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 11:02:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 11:02:29,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 11:02:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 11:02:29,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 11:02:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 11:02:29,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 11:02:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-12-18 11:02:29,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-12-18 11:02:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-12-18 11:02:29,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-12-18 11:02:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 11:02:29,020 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 11:02:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-12-18 11:02:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-12-18 11:02:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:02:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:02:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-18 11:02:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-18 11:02:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:02:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:02:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-12-18 11:02:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-12-18 11:02:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-12-18 11:02:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-12-18 11:02:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-12-18 11:02:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-12-18 11:02:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-18 11:02:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-18 11:02:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 11:02:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 11:02:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 11:02:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 11:02:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-12-18 11:02:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-12-18 11:02:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 11:02:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 11:02:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-12-18 11:02:29,024 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-12-18 11:02:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-12-18 11:02:29,024 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-12-18 11:02:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-12-18 11:02:29,024 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-12-18 11:02:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 11:02:29,025 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 11:02:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 11:02:29,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 11:02:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-12-18 11:02:29,025 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-12-18 11:02:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 11:02:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 11:02:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 11:02:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-12-18 11:02:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-12-18 11:02:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-12-18 11:02:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-12-18 11:02:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:02:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:02:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-12-18 11:02:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-12-18 11:02:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 11:02:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 11:02:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 11:02:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 11:02:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 11:02:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 11:02:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-12-18 11:02:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-12-18 11:02:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-12-18 11:02:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-12-18 11:02:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-18 11:02:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-18 11:02:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-12-18 11:02:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-12-18 11:02:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 11:02:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 11:02:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-12-18 11:02:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-12-18 11:02:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 11:02:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 11:02:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-12-18 11:02:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-12-18 11:02:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-12-18 11:02:29,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-12-18 11:02:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-18 11:02:29,030 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-18 11:02:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 11:02:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-12-18 11:02:29,030 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-12-18 11:02:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 11:02:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 11:02:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 11:02:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 11:02:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-12-18 11:02:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-12-18 11:02:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 11:02:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 11:02:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 11:02:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 11:02:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-12-18 11:02:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-12-18 11:02:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 11:02:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 11:02:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-12-18 11:02:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-12-18 11:02:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-12-18 11:02:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-12-18 11:02:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-12-18 11:02:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-12-18 11:02:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-12-18 11:02:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-12-18 11:02:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-12-18 11:02:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-12-18 11:02:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_82 [2021-12-18 11:02:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_82 [2021-12-18 11:02:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-12-18 11:02:29,034 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-12-18 11:02:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-12-18 11:02:29,034 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-12-18 11:02:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-12-18 11:02:29,034 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-12-18 11:02:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 11:02:29,034 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 11:02:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-12-18 11:02:29,035 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-12-18 11:02:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-12-18 11:02:29,035 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-12-18 11:02:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-18 11:02:29,035 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-18 11:02:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 11:02:29,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 11:02:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-12-18 11:02:29,036 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-12-18 11:02:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-12-18 11:02:29,036 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-12-18 11:02:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 11:02:29,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 11:02:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-12-18 11:02:29,036 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-12-18 11:02:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 11:02:29,036 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 11:02:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-12-18 11:02:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-12-18 11:02:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 11:02:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 11:02:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-12-18 11:02:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-12-18 11:02:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-12-18 11:02:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-12-18 11:02:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-12-18 11:02:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-12-18 11:02:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-18 11:02:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-18 11:02:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-12-18 11:02:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-12-18 11:02:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 11:02:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 11:02:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 11:02:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 11:02:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 11:02:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 11:02:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 11:02:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 11:02:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 11:02:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 11:02:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 11:02:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-12-18 11:02:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-12-18 11:02:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-12-18 11:02:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-12-18 11:02:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 11:02:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 11:02:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-18 11:02:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-18 11:02:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-12-18 11:02:29,041 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-12-18 11:02:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-12-18 11:02:29,041 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-12-18 11:02:30,653 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 11:02:30,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 11:02:30,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 11:12:17,477 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 11:12:17,677 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 11:12:17,720 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 11:12:17,724 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-18 11:12:17,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:12:17 BoogieIcfgContainer [2021-12-18 11:12:17,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 11:12:17,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 11:12:17,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 11:12:17,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 11:12:17,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:02:21" (1/3) ... [2021-12-18 11:12:17,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75356435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:12:17, skipping insertion in model container [2021-12-18 11:12:17,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:02:27" (2/3) ... [2021-12-18 11:12:17,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75356435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:12:17, skipping insertion in model container [2021-12-18 11:12:17,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:12:17" (3/3) ... [2021-12-18 11:12:17,741 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-18 11:12:17,747 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 11:12:17,747 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 11:12:17,817 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 11:12:17,827 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 11:12:17,828 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 11:12:17,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 4394 states, 3069 states have (on average 1.2854349951124144) internal successors, (3945), 3115 states have internal predecessors, (3945), 1081 states have call successors, (1081), 242 states have call predecessors, (1081), 241 states have return successors, (1076), 1064 states have call predecessors, (1076), 1076 states have call successors, (1076) [2021-12-18 11:12:17,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-18 11:12:17,929 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:12:17,930 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:12:17,930 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:12:17,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:12:17,936 INFO L85 PathProgramCache]: Analyzing trace with hash -854135135, now seen corresponding path program 1 times [2021-12-18 11:12:17,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:12:17,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254444297] [2021-12-18 11:12:17,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:12:17,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:12:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:12:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:12:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:12:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:12:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:12:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:12:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:19,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:12:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:12:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:12:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:12:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:12:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:12:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:12:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:12:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:12:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:12:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:12:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 11:12:20,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:12:20,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254444297] [2021-12-18 11:12:20,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254444297] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:12:20,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:12:20,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:12:20,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299670549] [2021-12-18 11:12:20,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:12:20,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:12:20,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:12:20,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:12:20,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:12:20,309 INFO L87 Difference]: Start difference. First operand has 4394 states, 3069 states have (on average 1.2854349951124144) internal successors, (3945), 3115 states have internal predecessors, (3945), 1081 states have call successors, (1081), 242 states have call predecessors, (1081), 241 states have return successors, (1076), 1064 states have call predecessors, (1076), 1076 states have call successors, (1076) 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 11:12:22,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:12:24,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:12:54,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:12:58,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:12:58,237 INFO L93 Difference]: Finished difference Result 13316 states and 19005 transitions. [2021-12-18 11:12:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:12:58,241 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 189 [2021-12-18 11:12:58,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:12:58,335 INFO L225 Difference]: With dead ends: 13316 [2021-12-18 11:12:58,335 INFO L226 Difference]: Without dead ends: 8945 [2021-12-18 11:12:58,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:12:58,385 INFO L933 BasicCegarLoop]: 6321 mSDtfsCounter, 8019 mSDsluCounter, 6709 mSDsCounter, 0 mSdLazyCounter, 4020 mSolverCounterSat, 3385 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8963 SdHoareTripleChecker+Valid, 13030 SdHoareTripleChecker+Invalid, 7408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3385 IncrementalHoareTripleChecker+Valid, 4020 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2021-12-18 11:12:58,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8963 Valid, 13030 Invalid, 7408 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3385 Valid, 4020 Invalid, 3 Unknown, 0 Unchecked, 36.7s Time] [2021-12-18 11:12:58,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8945 states. [2021-12-18 11:12:58,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8945 to 8578. [2021-12-18 11:12:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8578 states, 6000 states have (on average 1.2768333333333333) internal successors, (7661), 6090 states have internal predecessors, (7661), 2096 states have call successors, (2096), 480 states have call predecessors, (2096), 479 states have return successors, (2095), 2069 states have call predecessors, (2095), 2093 states have call successors, (2095) [2021-12-18 11:12:58,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8578 states to 8578 states and 11852 transitions. [2021-12-18 11:12:58,931 INFO L78 Accepts]: Start accepts. Automaton has 8578 states and 11852 transitions. Word has length 189 [2021-12-18 11:12:58,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:12:58,935 INFO L470 AbstractCegarLoop]: Abstraction has 8578 states and 11852 transitions. [2021-12-18 11:12:58,935 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 11:12:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 8578 states and 11852 transitions. [2021-12-18 11:12:58,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-18 11:12:58,947 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:12:58,947 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:12:58,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 11:12:58,948 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:12:58,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:12:58,949 INFO L85 PathProgramCache]: Analyzing trace with hash -547178406, now seen corresponding path program 1 times [2021-12-18 11:12:58,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:12:58,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470434521] [2021-12-18 11:12:58,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:12:58,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:12:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:13:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 11:13:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 11:13:00,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:00,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470434521] [2021-12-18 11:13:00,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470434521] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:00,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:00,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:13:00,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143465772] [2021-12-18 11:13:00,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:00,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:13:00,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:00,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:13:00,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:13:00,450 INFO L87 Difference]: Start difference. First operand 8578 states and 11852 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 11:13:02,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:13:04,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:13:17,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:13:41,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:41,217 INFO L93 Difference]: Finished difference Result 24171 states and 33461 transitions. [2021-12-18 11:13:41,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:13:41,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 200 [2021-12-18 11:13:41,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:41,327 INFO L225 Difference]: With dead ends: 24171 [2021-12-18 11:13:41,327 INFO L226 Difference]: Without dead ends: 15628 [2021-12-18 11:13:41,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:13:41,377 INFO L933 BasicCegarLoop]: 6063 mSDtfsCounter, 6525 mSDsluCounter, 6589 mSDsCounter, 0 mSdLazyCounter, 3858 mSolverCounterSat, 3061 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7269 SdHoareTripleChecker+Valid, 12652 SdHoareTripleChecker+Invalid, 6922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3061 IncrementalHoareTripleChecker+Valid, 3858 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:41,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7269 Valid, 12652 Invalid, 6922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3061 Valid, 3858 Invalid, 3 Unknown, 0 Unchecked, 39.7s Time] [2021-12-18 11:13:41,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15628 states. [2021-12-18 11:13:41,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15628 to 15271. [2021-12-18 11:13:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15271 states, 10680 states have (on average 1.2732209737827715) internal successors, (13598), 10862 states have internal predecessors, (13598), 3655 states have call successors, (3655), 884 states have call predecessors, (3655), 933 states have return successors, (3851), 3630 states have call predecessors, (3851), 3652 states have call successors, (3851) [2021-12-18 11:13:42,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15271 states to 15271 states and 21104 transitions. [2021-12-18 11:13:42,030 INFO L78 Accepts]: Start accepts. Automaton has 15271 states and 21104 transitions. Word has length 200 [2021-12-18 11:13:42,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:42,031 INFO L470 AbstractCegarLoop]: Abstraction has 15271 states and 21104 transitions. [2021-12-18 11:13:42,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 11:13:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 15271 states and 21104 transitions. [2021-12-18 11:13:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-18 11:13:42,036 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:42,036 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:13:42,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 11:13:42,037 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:13:42,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:42,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1427338534, now seen corresponding path program 1 times [2021-12-18 11:13:42,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:42,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029018540] [2021-12-18 11:13:42,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:42,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:13:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 11:13:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-18 11:13:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:43,560 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 11:13:43,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:43,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029018540] [2021-12-18 11:13:43,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029018540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:43,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:43,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:13:43,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053668592] [2021-12-18 11:13:43,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:43,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:13:43,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:43,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:13:43,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:13:43,564 INFO L87 Difference]: Start difference. First operand 15271 states and 21104 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-18 11:13:45,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:13:48,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:14:06,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:14:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:14:21,620 INFO L93 Difference]: Finished difference Result 26907 states and 37078 transitions. [2021-12-18 11:14:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:14:21,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 213 [2021-12-18 11:14:21,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:14:21,696 INFO L225 Difference]: With dead ends: 26907 [2021-12-18 11:14:21,696 INFO L226 Difference]: Without dead ends: 11671 [2021-12-18 11:14:21,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:14:21,762 INFO L933 BasicCegarLoop]: 8668 mSDtfsCounter, 5010 mSDsluCounter, 7678 mSDsCounter, 0 mSdLazyCounter, 3884 mSolverCounterSat, 2181 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5750 SdHoareTripleChecker+Valid, 16346 SdHoareTripleChecker+Invalid, 6068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2181 IncrementalHoareTripleChecker+Valid, 3884 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2021-12-18 11:14:21,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5750 Valid, 16346 Invalid, 6068 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2181 Valid, 3884 Invalid, 3 Unknown, 0 Unchecked, 37.1s Time] [2021-12-18 11:14:21,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11671 states. [2021-12-18 11:14:22,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11671 to 11373. [2021-12-18 11:14:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11373 states, 7955 states have (on average 1.2657448145820238) internal successors, (10069), 8088 states have internal predecessors, (10069), 2685 states have call successors, (2685), 706 states have call predecessors, (2685), 730 states have return successors, (2788), 2655 states have call predecessors, (2788), 2682 states have call successors, (2788) [2021-12-18 11:14:22,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11373 states to 11373 states and 15542 transitions. [2021-12-18 11:14:22,173 INFO L78 Accepts]: Start accepts. Automaton has 11373 states and 15542 transitions. Word has length 213 [2021-12-18 11:14:22,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:14:22,175 INFO L470 AbstractCegarLoop]: Abstraction has 11373 states and 15542 transitions. [2021-12-18 11:14:22,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-18 11:14:22,175 INFO L276 IsEmpty]: Start isEmpty. Operand 11373 states and 15542 transitions. [2021-12-18 11:14:22,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-18 11:14:22,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:14:22,180 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:14:22,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 11:14:22,181 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:14:22,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:14:22,181 INFO L85 PathProgramCache]: Analyzing trace with hash 469375601, now seen corresponding path program 1 times [2021-12-18 11:14:22,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:14:22,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582756484] [2021-12-18 11:14:22,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:14:22,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:14:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:14:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:14:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:14:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:14:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:14:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:14:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:14:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:14:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:14:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:14:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:14:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:14:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:14:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:14:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:14:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:14:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 11:14:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 11:14:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 11:14:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:14:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 11:14:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 11:14:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 11:14:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-12-18 11:14:23,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:14:23,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582756484] [2021-12-18 11:14:23,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582756484] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:14:23,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:14:23,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:14:23,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012872864] [2021-12-18 11:14:23,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:14:23,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:14:23,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:14:23,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:14:23,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:14:23,585 INFO L87 Difference]: Start difference. First operand 11373 states and 15542 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 11:14:25,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:14:28,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:14:52,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:15:05,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:15:05,022 INFO L93 Difference]: Finished difference Result 33701 states and 46185 transitions. [2021-12-18 11:15:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:15:05,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 241 [2021-12-18 11:15:05,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:15:05,142 INFO L225 Difference]: With dead ends: 33701 [2021-12-18 11:15:05,142 INFO L226 Difference]: Without dead ends: 22697 [2021-12-18 11:15:05,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:15:05,198 INFO L933 BasicCegarLoop]: 6697 mSDtfsCounter, 7796 mSDsluCounter, 6820 mSDsCounter, 0 mSdLazyCounter, 4024 mSolverCounterSat, 3358 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8736 SdHoareTripleChecker+Valid, 13517 SdHoareTripleChecker+Invalid, 7385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3358 IncrementalHoareTripleChecker+Valid, 4024 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2021-12-18 11:15:05,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8736 Valid, 13517 Invalid, 7385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3358 Valid, 4024 Invalid, 3 Unknown, 0 Unchecked, 40.4s Time] [2021-12-18 11:15:05,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22697 states. [2021-12-18 11:15:05,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22697 to 22139. [2021-12-18 11:15:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22139 states, 15504 states have (on average 1.2674148606811146) internal successors, (19650), 15754 states have internal predecessors, (19650), 5216 states have call successors, (5216), 1367 states have call predecessors, (5216), 1416 states have return successors, (5412), 5168 states have call predecessors, (5412), 5213 states have call successors, (5412) [2021-12-18 11:15:05,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22139 states to 22139 states and 30278 transitions. [2021-12-18 11:15:05,990 INFO L78 Accepts]: Start accepts. Automaton has 22139 states and 30278 transitions. Word has length 241 [2021-12-18 11:15:05,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:15:05,991 INFO L470 AbstractCegarLoop]: Abstraction has 22139 states and 30278 transitions. [2021-12-18 11:15:05,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 11:15:05,991 INFO L276 IsEmpty]: Start isEmpty. Operand 22139 states and 30278 transitions. [2021-12-18 11:15:05,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-18 11:15:05,995 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:15:05,995 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:15:05,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 11:15:05,996 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:15:05,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:15:05,996 INFO L85 PathProgramCache]: Analyzing trace with hash 892077427, now seen corresponding path program 1 times [2021-12-18 11:15:05,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:15:05,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69102643] [2021-12-18 11:15:05,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:15:05,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:15:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:15:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:15:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:15:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:15:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:15:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:15:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:15:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:15:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:15:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:15:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:15:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:15:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:15:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:15:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:15:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:15:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 11:15:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 11:15:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 11:15:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:15:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 11:15:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 11:15:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 11:15:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-12-18 11:15:07,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:15:07,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69102643] [2021-12-18 11:15:07,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69102643] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:15:07,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:15:07,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:15:07,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585469580] [2021-12-18 11:15:07,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:15:07,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:15:07,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:15:07,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:15:07,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:15:07,686 INFO L87 Difference]: Start difference. First operand 22139 states and 30278 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 11:15:09,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:15:38,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:15:53,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:15:53,182 INFO L93 Difference]: Finished difference Result 23663 states and 32178 transitions. [2021-12-18 11:15:53,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 11:15:53,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 241 [2021-12-18 11:15:53,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:15:53,311 INFO L225 Difference]: With dead ends: 23663 [2021-12-18 11:15:53,312 INFO L226 Difference]: Without dead ends: 23661 [2021-12-18 11:15:53,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:15:53,336 INFO L933 BasicCegarLoop]: 5663 mSDtfsCounter, 6439 mSDsluCounter, 11331 mSDsCounter, 0 mSdLazyCounter, 5368 mSolverCounterSat, 2342 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7027 SdHoareTripleChecker+Valid, 16994 SdHoareTripleChecker+Invalid, 7712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2342 IncrementalHoareTripleChecker+Valid, 5368 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.9s IncrementalHoareTripleChecker+Time [2021-12-18 11:15:53,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7027 Valid, 16994 Invalid, 7712 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2342 Valid, 5368 Invalid, 2 Unknown, 0 Unchecked, 43.9s Time] [2021-12-18 11:15:53,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23661 states. [2021-12-18 11:15:54,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23661 to 23129. [2021-12-18 11:15:54,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23129 states, 16175 states have (on average 1.262565687789799) internal successors, (20422), 16435 states have internal predecessors, (20422), 5376 states have call successors, (5376), 1525 states have call predecessors, (5376), 1575 states have return successors, (5574), 5328 states have call predecessors, (5574), 5373 states have call successors, (5574) [2021-12-18 11:15:54,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23129 states to 23129 states and 31372 transitions. [2021-12-18 11:15:54,173 INFO L78 Accepts]: Start accepts. Automaton has 23129 states and 31372 transitions. Word has length 241 [2021-12-18 11:15:54,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:15:54,174 INFO L470 AbstractCegarLoop]: Abstraction has 23129 states and 31372 transitions. [2021-12-18 11:15:54,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 11:15:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 23129 states and 31372 transitions. [2021-12-18 11:15:54,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-18 11:15:54,179 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:15:54,179 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:15:54,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 11:15:54,180 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:15:54,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:15:54,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1669852283, now seen corresponding path program 1 times [2021-12-18 11:15:54,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:15:54,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765793336] [2021-12-18 11:15:54,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:15:54,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:15:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:15:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:15:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:15:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:15:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:15:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:15:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:15:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:15:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:15:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:15:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:15:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:15:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:15:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:15:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:15:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:15:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 11:15:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 11:15:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 11:15:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:15:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 11:15:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 11:15:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 11:15:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 11:15:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-12-18 11:15:55,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:15:55,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765793336] [2021-12-18 11:15:55,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765793336] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:15:55,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:15:55,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:15:55,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15785906] [2021-12-18 11:15:55,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:15:55,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:15:55,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:15:55,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:15:55,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:15:55,881 INFO L87 Difference]: Start difference. First operand 23129 states and 31372 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 11:15:58,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15