./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-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-wireless-prism54-prism54.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:33:39,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:33:39,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:33:39,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:33:39,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:33:39,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:33:39,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:33:39,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:33:39,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:33:39,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:33:39,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:33:39,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:33:39,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:33:39,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:33:39,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:33:39,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:33:39,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:33:39,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:33:39,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:33:39,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:33:39,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:33:39,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:33:39,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:33:39,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:33:39,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:33:39,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:33:39,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:33:39,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:33:39,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:33:39,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:33:39,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:33:39,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:33:39,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:33:39,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:33:39,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:33:39,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:33:39,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:33:39,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:33:39,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:33:39,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:33:39,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:33:39,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:33:39,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:33:39,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:33:39,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:33:39,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:33:39,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:33:39,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:33:39,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:33:39,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:33:39,918 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:33:39,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:33:39,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:33:39,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:33:39,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:33:39,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:33:39,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:33:39,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:33:39,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:33:39,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:33:39,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:33:39,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:33:39,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:33:39,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:33:39,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:33:39,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:33:39,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:33:39,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:33:39,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:33:39,923 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:33:39,924 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:33:39,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:33:39,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:33:39,924 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 [2021-12-22 15:33:40,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:33:40,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:33:40,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:33:40,199 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:33:40,199 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:33:40,201 INFO L432 ainManager$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-wireless-prism54-prism54.cil.i [2021-12-22 15:33:40,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb5df8234/3136e2585cf3484e8c087350677cc1e8/FLAG3405ed617 [2021-12-22 15:33:41,141 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:33:41,142 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-wireless-prism54-prism54.cil.i [2021-12-22 15:33:41,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb5df8234/3136e2585cf3484e8c087350677cc1e8/FLAG3405ed617 [2021-12-22 15:33:41,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb5df8234/3136e2585cf3484e8c087350677cc1e8 [2021-12-22 15:33:41,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:33:41,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:33:41,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:33:41,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:33:41,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:33:41,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:33:41" (1/1) ... [2021-12-22 15:33:41,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532e354f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:41, skipping insertion in model container [2021-12-22 15:33:41,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:33:41" (1/1) ... [2021-12-22 15:33:41,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:33:41,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:33:46,392 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-wireless-prism54-prism54.cil.i[482333,482346] [2021-12-22 15:33:46,395 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-wireless-prism54-prism54.cil.i[482502,482515] [2021-12-22 15:33:46,395 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-wireless-prism54-prism54.cil.i[482669,482682] [2021-12-22 15:33:46,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2021-12-22 15:33:46,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:33:46,539 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:33:47,016 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-wireless-prism54-prism54.cil.i[482333,482346] [2021-12-22 15:33:47,016 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-wireless-prism54-prism54.cil.i[482502,482515] [2021-12-22 15:33:47,017 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-wireless-prism54-prism54.cil.i[482669,482682] [2021-12-22 15:33:47,017 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-wireless-prism54-prism54.cil.i[482837,482850] [2021-12-22 15:33:47,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:33:47,238 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:33:47,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:47 WrapperNode [2021-12-22 15:33:47,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:33:47,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:33:47,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:33:47,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:33:47,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:47" (1/1) ... [2021-12-22 15:33:47,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:47" (1/1) ... [2021-12-22 15:33:47,755 INFO L137 Inliner]: procedures = 578, calls = 6324, calls flagged for inlining = 254, calls inlined = 233, statements flattened = 8682 [2021-12-22 15:33:47,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:33:47,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:33:47,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:33:47,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:33:47,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:47" (1/1) ... [2021-12-22 15:33:47,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:47" (1/1) ... [2021-12-22 15:33:47,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:47" (1/1) ... [2021-12-22 15:33:47,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:47" (1/1) ... [2021-12-22 15:33:48,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:47" (1/1) ... [2021-12-22 15:33:48,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:47" (1/1) ... [2021-12-22 15:33:48,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:47" (1/1) ... [2021-12-22 15:33:48,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:33:48,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:33:48,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:33:48,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:33:48,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:47" (1/1) ... [2021-12-22 15:33:48,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:33:48,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:33:48,309 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) [2021-12-22 15:33:48,328 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 [2021-12-22 15:33:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-12-22 15:33:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-12-22 15:33:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2021-12-22 15:33:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2021-12-22 15:33:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-22 15:33:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:33:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:33:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:33:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:33:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2021-12-22 15:33:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2021-12-22 15:33:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:33:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:33:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:33:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:33:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2021-12-22 15:33:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2021-12-22 15:33:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2021-12-22 15:33:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2021-12-22 15:33:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:33:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:33:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:33:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:33:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 15:33:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 15:33:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-22 15:33:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-22 15:33:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2021-12-22 15:33:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2021-12-22 15:33:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2021-12-22 15:33:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2021-12-22 15:33:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-12-22 15:33:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-12-22 15:33:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-22 15:33:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2021-12-22 15:33:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2021-12-22 15:33:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:33:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:33:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:33:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:33:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:33:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:33:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:33:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:33:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2021-12-22 15:33:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2021-12-22 15:33:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:33:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:33:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:33:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:33:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:33:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2021-12-22 15:33:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2021-12-22 15:33:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:33:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:33:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:33:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:33:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2021-12-22 15:33:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2021-12-22 15:33:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2021-12-22 15:33:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2021-12-22 15:33:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:33:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:33:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:33:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2021-12-22 15:33:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2021-12-22 15:33:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:33:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:33:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-22 15:33:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-22 15:33:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-22 15:33:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-22 15:33:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:33:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:33:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:33:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:33:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:33:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:33:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:33:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:33:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:33:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:33:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:33:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:33:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2021-12-22 15:33:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2021-12-22 15:33:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2021-12-22 15:33:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2021-12-22 15:33:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:33:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:33:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:33:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:33:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:33:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:33:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:33:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:33:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:33:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-22 15:33:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-22 15:33:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 15:33:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 15:33:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:33:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:33:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:33:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:33:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:33:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:33:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:33:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:33:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:33:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-22 15:33:48,366 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-22 15:33:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:33:48,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:33:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 15:33:48,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 15:33:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:33:48,366 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:33:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 15:33:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 15:33:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:33:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:33:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-22 15:33:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-22 15:33:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 15:33:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 15:33:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:33:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:33:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2021-12-22 15:33:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2021-12-22 15:33:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-22 15:33:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-22 15:33:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-22 15:33:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-22 15:33:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:33:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:33:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-12-22 15:33:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-12-22 15:33:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-22 15:33:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-22 15:33:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-22 15:33:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-22 15:33:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2021-12-22 15:33:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2021-12-22 15:33:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2021-12-22 15:33:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2021-12-22 15:33:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:33:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:33:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:33:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:33:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:33:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:33:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 15:33:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 15:33:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:33:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:33:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2021-12-22 15:33:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2021-12-22 15:33:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2021-12-22 15:33:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2021-12-22 15:33:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-22 15:33:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-22 15:33:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:33:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:33:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:33:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:33:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:33:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:33:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:33:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:33:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-22 15:33:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-22 15:33:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:33:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:33:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 15:33:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 15:33:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:33:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:33:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:33:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2021-12-22 15:33:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2021-12-22 15:33:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-22 15:33:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-22 15:33:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:33:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2021-12-22 15:33:48,376 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2021-12-22 15:33:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-22 15:33:48,376 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-22 15:33:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-22 15:33:48,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-22 15:33:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:33:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2021-12-22 15:33:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2021-12-22 15:33:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-22 15:33:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-22 15:33:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2021-12-22 15:33:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2021-12-22 15:33:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-22 15:33:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-22 15:33:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:33:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:33:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 15:33:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 15:33:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:33:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:33:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2021-12-22 15:33:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2021-12-22 15:33:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2021-12-22 15:33:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2021-12-22 15:33:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:33:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:33:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 15:33:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 15:33:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-22 15:33:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-22 15:33:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:33:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:33:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-22 15:33:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-22 15:33:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2021-12-22 15:33:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2021-12-22 15:33:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 15:33:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 15:33:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:33:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:33:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:33:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:33:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2021-12-22 15:33:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2021-12-22 15:33:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2021-12-22 15:33:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2021-12-22 15:33:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2021-12-22 15:33:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2021-12-22 15:33:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:33:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:33:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2021-12-22 15:33:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2021-12-22 15:33:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:33:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-22 15:33:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-22 15:33:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-22 15:33:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-22 15:33:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:33:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:33:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2021-12-22 15:33:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2021-12-22 15:33:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2021-12-22 15:33:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2021-12-22 15:33:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:33:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:33:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2021-12-22 15:33:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2021-12-22 15:33:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-22 15:33:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-22 15:33:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 15:33:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 15:33:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:33:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:33:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 15:33:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 15:33:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-22 15:33:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-22 15:33:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2021-12-22 15:33:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2021-12-22 15:33:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 15:33:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 15:33:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:33:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:33:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:33:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:33:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:33:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-22 15:33:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-22 15:33:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2021-12-22 15:33:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2021-12-22 15:33:49,405 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:33:49,408 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:33:49,786 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:33:56,079 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:33:56,275 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:33:56,291 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:33:56,292 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 15:33:56,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:33:56 BoogieIcfgContainer [2021-12-22 15:33:56,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:33:56,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:33:56,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:33:56,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:33:56,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:33:41" (1/3) ... [2021-12-22 15:33:56,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329f1933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:33:56, skipping insertion in model container [2021-12-22 15:33:56,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:47" (2/3) ... [2021-12-22 15:33:56,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329f1933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:33:56, skipping insertion in model container [2021-12-22 15:33:56,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:33:56" (3/3) ... [2021-12-22 15:33:56,305 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2021-12-22 15:33:56,314 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:33:56,314 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:33:56,375 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:33:56,393 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 [2021-12-22 15:33:56,393 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:33:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 2399 states, 1649 states have (on average 1.2941176470588236) internal successors, (2134), 1700 states have internal predecessors, (2134), 620 states have call successors, (620), 128 states have call predecessors, (620), 127 states have return successors, (614), 594 states have call predecessors, (614), 614 states have call successors, (614) [2021-12-22 15:33:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-22 15:33:56,472 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:33:56,473 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:33:56,473 INFO L402 AbstractCegarLoop]: === Iteration 1 === 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)] === [2021-12-22 15:33:56,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:33:56,478 INFO L85 PathProgramCache]: Analyzing trace with hash 2143999495, now seen corresponding path program 1 times [2021-12-22 15:33:56,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:33:56,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535714809] [2021-12-22 15:33:56,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:33:56,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:33:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:33:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:33:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:33:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:33:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:33:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:33:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 15:33:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-22 15:33:57,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:33:57,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535714809] [2021-12-22 15:33:57,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535714809] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:33:57,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:33:57,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:33:57,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767406144] [2021-12-22 15:33:57,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:33:57,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:33:57,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:33:57,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:33:57,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:33:57,636 INFO L87 Difference]: Start difference. First operand has 2399 states, 1649 states have (on average 1.2941176470588236) internal successors, (2134), 1700 states have internal predecessors, (2134), 620 states have call successors, (620), 128 states have call predecessors, (620), 127 states have return successors, (614), 594 states have call predecessors, (614), 614 states have call successors, (614) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-22 15:34:03,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:34:03,062 INFO L93 Difference]: Finished difference Result 6977 states and 10139 transitions. [2021-12-22 15:34:03,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:34:03,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 89 [2021-12-22 15:34:03,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:34:03,120 INFO L225 Difference]: With dead ends: 6977 [2021-12-22 15:34:03,120 INFO L226 Difference]: Without dead ends: 4575 [2021-12-22 15:34:03,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:34:03,153 INFO L933 BasicCegarLoop]: 3586 mSDtfsCounter, 3758 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 1610 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4198 SdHoareTripleChecker+Valid, 7544 SdHoareTripleChecker+Invalid, 3595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1610 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:34:03,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4198 Valid, 7544 Invalid, 3595 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1610 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-22 15:34:03,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2021-12-22 15:34:03,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4374. [2021-12-22 15:34:03,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4374 states, 3014 states have (on average 1.265759787657598) internal successors, (3815), 3114 states have internal predecessors, (3815), 1113 states have call successors, (1113), 245 states have call predecessors, (1113), 244 states have return successors, (1113), 1064 states have call predecessors, (1113), 1109 states have call successors, (1113) [2021-12-22 15:34:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4374 states to 4374 states and 6041 transitions. [2021-12-22 15:34:03,559 INFO L78 Accepts]: Start accepts. Automaton has 4374 states and 6041 transitions. Word has length 89 [2021-12-22 15:34:03,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:34:03,560 INFO L470 AbstractCegarLoop]: Abstraction has 4374 states and 6041 transitions. [2021-12-22 15:34:03,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-22 15:34:03,561 INFO L276 IsEmpty]: Start isEmpty. Operand 4374 states and 6041 transitions. [2021-12-22 15:34:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-22 15:34:03,565 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:34:03,565 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:34:03,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:34:03,566 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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)] === [2021-12-22 15:34:03,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:34:03,567 INFO L85 PathProgramCache]: Analyzing trace with hash -926596189, now seen corresponding path program 1 times [2021-12-22 15:34:03,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:34:03,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890405954] [2021-12-22 15:34:03,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:34:03,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:34:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:03,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:34:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:34:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:04,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:34:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:04,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:34:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:04,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:34:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:04,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:34:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:04,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 15:34:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:04,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-22 15:34:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:04,185 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-22 15:34:04,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:34:04,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890405954] [2021-12-22 15:34:04,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890405954] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:34:04,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:34:04,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:34:04,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720559195] [2021-12-22 15:34:04,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:34:04,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:34:04,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:34:04,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:34:04,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:34:04,193 INFO L87 Difference]: Start difference. First operand 4374 states and 6041 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-22 15:34:09,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:34:09,436 INFO L93 Difference]: Finished difference Result 13261 states and 18438 transitions. [2021-12-22 15:34:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:34:09,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2021-12-22 15:34:09,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:34:09,505 INFO L225 Difference]: With dead ends: 13261 [2021-12-22 15:34:09,505 INFO L226 Difference]: Without dead ends: 8904 [2021-12-22 15:34:09,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:34:09,533 INFO L933 BasicCegarLoop]: 3634 mSDtfsCounter, 4119 mSDsluCounter, 3906 mSDsCounter, 0 mSdLazyCounter, 2058 mSolverCounterSat, 1641 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4625 SdHoareTripleChecker+Valid, 7540 SdHoareTripleChecker+Invalid, 3699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1641 IncrementalHoareTripleChecker+Valid, 2058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:34:09,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4625 Valid, 7540 Invalid, 3699 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1641 Valid, 2058 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-22 15:34:09,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8904 states. [2021-12-22 15:34:09,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8904 to 8552. [2021-12-22 15:34:09,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8552 states, 5893 states have (on average 1.2655693195316478) internal successors, (7458), 6085 states have internal predecessors, (7458), 2171 states have call successors, (2171), 486 states have call predecessors, (2171), 485 states have return successors, (2175), 2080 states have call predecessors, (2175), 2167 states have call successors, (2175) [2021-12-22 15:34:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8552 states to 8552 states and 11804 transitions. [2021-12-22 15:34:09,997 INFO L78 Accepts]: Start accepts. Automaton has 8552 states and 11804 transitions. Word has length 94 [2021-12-22 15:34:09,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:34:10,000 INFO L470 AbstractCegarLoop]: Abstraction has 8552 states and 11804 transitions. [2021-12-22 15:34:10,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-22 15:34:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 8552 states and 11804 transitions. [2021-12-22 15:34:10,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-22 15:34:10,005 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:34:10,006 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:34:10,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:34:10,006 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)] === [2021-12-22 15:34:10,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:34:10,007 INFO L85 PathProgramCache]: Analyzing trace with hash 463962046, now seen corresponding path program 1 times [2021-12-22 15:34:10,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:34:10,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482291788] [2021-12-22 15:34:10,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:34:10,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:34:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:34:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:34:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:34:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:34:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:34:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:34:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 15:34:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-22 15:34:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-22 15:34:10,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:34:10,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482291788] [2021-12-22 15:34:10,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482291788] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:34:10,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:34:10,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:34:10,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785800379] [2021-12-22 15:34:10,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:34:10,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:34:10,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:34:10,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:34:10,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:34:10,782 INFO L87 Difference]: Start difference. First operand 8552 states and 11804 transitions. 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-22 15:34:16,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:34:16,417 INFO L93 Difference]: Finished difference Result 25628 states and 35580 transitions. [2021-12-22 15:34:16,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:34:16,418 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 99 [2021-12-22 15:34:16,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:34:16,549 INFO L225 Difference]: With dead ends: 25628 [2021-12-22 15:34:16,550 INFO L226 Difference]: Without dead ends: 17093 [2021-12-22 15:34:16,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:34:16,611 INFO L933 BasicCegarLoop]: 3617 mSDtfsCounter, 3965 mSDsluCounter, 3935 mSDsCounter, 0 mSdLazyCounter, 2023 mSolverCounterSat, 1664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4443 SdHoareTripleChecker+Valid, 7552 SdHoareTripleChecker+Invalid, 3687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1664 IncrementalHoareTripleChecker+Valid, 2023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:34:16,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4443 Valid, 7552 Invalid, 3687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1664 Valid, 2023 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-22 15:34:16,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17093 states. [2021-12-22 15:34:17,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17093 to 16362. [2021-12-22 15:34:17,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16362 states, 11265 states have (on average 1.265335108743897) internal successors, (14254), 11645 states have internal predecessors, (14254), 4147 states have call successors, (4147), 956 states have call predecessors, (4147), 947 states have return successors, (4155), 3948 states have call predecessors, (4155), 4143 states have call successors, (4155) [2021-12-22 15:34:17,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16362 states to 16362 states and 22556 transitions. [2021-12-22 15:34:17,409 INFO L78 Accepts]: Start accepts. Automaton has 16362 states and 22556 transitions. Word has length 99 [2021-12-22 15:34:17,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:34:17,411 INFO L470 AbstractCegarLoop]: Abstraction has 16362 states and 22556 transitions. [2021-12-22 15:34:17,412 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-22 15:34:17,412 INFO L276 IsEmpty]: Start isEmpty. Operand 16362 states and 22556 transitions. [2021-12-22 15:34:17,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-22 15:34:17,423 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:34:17,423 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:34:17,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:34:17,423 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)] === [2021-12-22 15:34:17,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:34:17,424 INFO L85 PathProgramCache]: Analyzing trace with hash 836421759, now seen corresponding path program 1 times [2021-12-22 15:34:17,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:34:17,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618175366] [2021-12-22 15:34:17,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:34:17,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:34:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:34:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:34:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:34:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:34:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:34:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:34:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 15:34:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 15:34:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-22 15:34:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:34:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:34:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-22 15:34:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 15:34:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 15:34:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:18,378 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-12-22 15:34:18,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:34:18,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618175366] [2021-12-22 15:34:18,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618175366] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:34:18,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:34:18,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:34:18,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786770178] [2021-12-22 15:34:18,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:34:18,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:34:18,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:34:18,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:34:18,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:34:18,382 INFO L87 Difference]: Start difference. First operand 16362 states and 22556 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 15:34:22,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:34:22,265 INFO L93 Difference]: Finished difference Result 17062 states and 23739 transitions. [2021-12-22 15:34:22,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:34:22,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 166 [2021-12-22 15:34:22,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:34:22,372 INFO L225 Difference]: With dead ends: 17062 [2021-12-22 15:34:22,372 INFO L226 Difference]: Without dead ends: 17060 [2021-12-22 15:34:22,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:34:22,393 INFO L933 BasicCegarLoop]: 3145 mSDtfsCounter, 3434 mSDsluCounter, 6419 mSDsCounter, 0 mSdLazyCounter, 2302 mSolverCounterSat, 1075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3815 SdHoareTripleChecker+Valid, 9564 SdHoareTripleChecker+Invalid, 3377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 2302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:34:22,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3815 Valid, 9564 Invalid, 3377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1075 Valid, 2302 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-22 15:34:22,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17060 states. [2021-12-22 15:34:23,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17060 to 16366. [2021-12-22 15:34:23,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16366 states, 11268 states have (on average 1.2652644657436989) internal successors, (14257), 11648 states have internal predecessors, (14257), 4147 states have call successors, (4147), 957 states have call predecessors, (4147), 948 states have return successors, (4155), 3948 states have call predecessors, (4155), 4143 states have call successors, (4155) [2021-12-22 15:34:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16366 states to 16366 states and 22559 transitions. [2021-12-22 15:34:23,286 INFO L78 Accepts]: Start accepts. Automaton has 16366 states and 22559 transitions. Word has length 166 [2021-12-22 15:34:23,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:34:23,288 INFO L470 AbstractCegarLoop]: Abstraction has 16366 states and 22559 transitions. [2021-12-22 15:34:23,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 15:34:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 16366 states and 22559 transitions. [2021-12-22 15:34:23,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-22 15:34:23,297 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:34:23,297 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:34:23,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:34:23,298 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)] === [2021-12-22 15:34:23,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:34:23,299 INFO L85 PathProgramCache]: Analyzing trace with hash 449362951, now seen corresponding path program 1 times [2021-12-22 15:34:23,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:34:23,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552659523] [2021-12-22 15:34:23,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:34:23,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:34:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:23,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:34:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:23,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:23,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:34:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:23,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:34:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:34:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:34:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:23,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:34:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 15:34:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 15:34:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-22 15:34:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:34:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:34:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-22 15:34:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 15:34:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 15:34:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:34:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-12-22 15:34:24,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:34:24,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552659523] [2021-12-22 15:34:24,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552659523] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:34:24,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:34:24,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:34:24,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687159790] [2021-12-22 15:34:24,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:34:24,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:34:24,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:34:24,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:34:24,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:34:24,273 INFO L87 Difference]: Start difference. First operand 16366 states and 22559 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)