./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.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 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:55:14,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:55:14,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:55:14,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:55:14,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:55:14,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:55:14,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:55:14,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:55:14,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:55:14,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:55:14,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:55:14,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:55:14,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:55:14,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:55:14,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:55:14,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:55:14,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:55:14,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:55:14,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:55:14,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:55:14,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:55:14,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:55:14,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:55:14,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:55:14,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:55:14,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:55:14,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:55:14,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:55:14,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:55:14,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:55:14,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:55:14,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:55:14,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:55:14,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:55:14,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:55:14,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:55:14,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:55:14,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:55:14,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:55:14,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:55:14,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:55:14,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:55:14,081 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:55:14,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:55:14,084 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:55:14,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:55:14,085 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:55:14,085 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:55:14,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:55:14,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:55:14,085 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:55:14,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:55:14,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:55:14,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:55:14,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:55:14,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:55:14,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:55:14,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:55:14,087 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:55:14,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:55:14,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:55:14,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:55:14,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:55:14,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:55:14,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:55:14,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:55:14,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:55:14,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:55:14,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:55:14,089 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:55:14,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:55:14,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:55:14,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:55:14,089 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 [2021-12-22 15:55:14,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:55:14,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:55:14,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:55:14,466 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:55:14,468 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:55:14,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-12-22 15:55:14,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002c3e15f/117eb2cb95864c6da5813b63f8d874fa/FLAGb8ded5928 [2021-12-22 15:55:15,294 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:55:15,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-12-22 15:55:15,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002c3e15f/117eb2cb95864c6da5813b63f8d874fa/FLAGb8ded5928 [2021-12-22 15:55:15,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002c3e15f/117eb2cb95864c6da5813b63f8d874fa [2021-12-22 15:55:15,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:55:15,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:55:15,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:55:15,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:55:15,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:55:15,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:55:15" (1/1) ... [2021-12-22 15:55:15,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16647ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:15, skipping insertion in model container [2021-12-22 15:55:15,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:55:15" (1/1) ... [2021-12-22 15:55:15,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:55:15,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:55:18,640 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2021-12-22 15:55:18,643 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2021-12-22 15:55:18,643 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2021-12-22 15:55:18,643 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2021-12-22 15:55:18,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:55:18,708 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:55:19,010 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2021-12-22 15:55:19,011 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2021-12-22 15:55:19,012 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2021-12-22 15:55:19,012 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2021-12-22 15:55:19,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:55:19,177 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:55:19,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:19 WrapperNode [2021-12-22 15:55:19,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:55:19,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:55:19,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:55:19,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:55:19,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:19" (1/1) ... [2021-12-22 15:55:19,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:19" (1/1) ... [2021-12-22 15:55:19,518 INFO L137 Inliner]: procedures = 522, calls = 3749, calls flagged for inlining = 276, calls inlined = 260, statements flattened = 6740 [2021-12-22 15:55:19,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:55:19,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:55:19,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:55:19,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:55:19,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:19" (1/1) ... [2021-12-22 15:55:19,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:19" (1/1) ... [2021-12-22 15:55:19,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:19" (1/1) ... [2021-12-22 15:55:19,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:19" (1/1) ... [2021-12-22 15:55:19,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:19" (1/1) ... [2021-12-22 15:55:19,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:19" (1/1) ... [2021-12-22 15:55:19,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:19" (1/1) ... [2021-12-22 15:55:19,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:55:19,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:55:19,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:55:19,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:55:19,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:19" (1/1) ... [2021-12-22 15:55:19,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:55:19,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:55:19,894 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 15:55:19,898 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 15:55:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-12-22 15:55:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-12-22 15:55:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-12-22 15:55:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-12-22 15:55:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-12-22 15:55:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-12-22 15:55:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-12-22 15:55:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-12-22 15:55:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:55:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:55:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:55:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:55:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:55:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:55:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-12-22 15:55:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-12-22 15:55:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-12-22 15:55:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-12-22 15:55:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:55:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:55:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:55:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:55:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 15:55:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 15:55:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:55:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:55:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-12-22 15:55:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-12-22 15:55:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-12-22 15:55:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-12-22 15:55:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-12-22 15:55:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-12-22 15:55:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:55:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:55:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-12-22 15:55:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-12-22 15:55:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-12-22 15:55:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-12-22 15:55:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-12-22 15:55:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-12-22 15:55:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:55:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:55:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:55:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:55:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2021-12-22 15:55:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2021-12-22 15:55:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:55:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-12-22 15:55:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-12-22 15:55:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-12-22 15:55:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-12-22 15:55:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-12-22 15:55:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-12-22 15:55:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:55:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-12-22 15:55:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-12-22 15:55:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2021-12-22 15:55:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2021-12-22 15:55:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:55:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:55:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:55:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:55:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-12-22 15:55:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-12-22 15:55:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:55:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:55:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:55:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-12-22 15:55:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-12-22 15:55:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:55:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:55:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:55:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-12-22 15:55:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-12-22 15:55:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:55:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:55:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:55:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:55:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:55:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:55:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:55:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:55:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-22 15:55:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-22 15:55:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-12-22 15:55:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-12-22 15:55:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-12-22 15:55:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-12-22 15:55:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 15:55:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 15:55:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:55:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:55:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-12-22 15:55:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-12-22 15:55:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-12-22 15:55:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-12-22 15:55:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-12-22 15:55:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-12-22 15:55:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:55:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:55:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-22 15:55:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-22 15:55:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:55:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:55:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:55:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:55:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:55:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:55:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 15:55:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 15:55:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-22 15:55:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-22 15:55:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-12-22 15:55:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-12-22 15:55:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:55:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:55:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:55:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:55:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:55:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:55:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:55:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:55:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:55:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-12-22 15:55:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-12-22 15:55:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2021-12-22 15:55:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2021-12-22 15:55:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-12-22 15:55:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-12-22 15:55:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:55:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:55:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2021-12-22 15:55:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2021-12-22 15:55:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-12-22 15:55:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-12-22 15:55:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2021-12-22 15:55:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2021-12-22 15:55:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-12-22 15:55:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-12-22 15:55:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-12-22 15:55:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-12-22 15:55:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-22 15:55:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-22 15:55:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:55:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:55:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:55:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:55:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-12-22 15:55:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-12-22 15:55:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:55:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:55:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:55:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:55:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-12-22 15:55:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-12-22 15:55:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:55:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:55:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2021-12-22 15:55:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2021-12-22 15:55:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-12-22 15:55:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-12-22 15:55:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-12-22 15:55:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-12-22 15:55:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-12-22 15:55:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-12-22 15:55:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-22 15:55:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-22 15:55:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:55:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:55:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:55:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:55:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-12-22 15:55:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-12-22 15:55:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:55:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:55:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-22 15:55:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-22 15:55:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-12-22 15:55:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-12-22 15:55:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:55:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-12-22 15:55:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-12-22 15:55:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:55:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:55:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-22 15:55:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-22 15:55:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:55:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:55:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-12-22 15:55:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-12-22 15:55:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-12-22 15:55:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-12-22 15:55:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-12-22 15:55:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-12-22 15:55:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2021-12-22 15:55:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2021-12-22 15:55:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-22 15:55:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-22 15:55:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-12-22 15:55:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-12-22 15:55:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-12-22 15:55:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-12-22 15:55:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:55:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-12-22 15:55:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-12-22 15:55:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-22 15:55:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-22 15:55:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:55:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:55:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-12-22 15:55:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-12-22 15:55:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-12-22 15:55:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-12-22 15:55:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2021-12-22 15:55:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2021-12-22 15:55:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-22 15:55:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-22 15:55:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-22 15:55:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-22 15:55:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:55:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:55:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-12-22 15:55:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-12-22 15:55:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-22 15:55:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-22 15:55:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-12-22 15:55:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-12-22 15:55:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-12-22 15:55:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-12-22 15:55:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-22 15:55:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:55:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 15:55:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 15:55:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-12-22 15:55:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-12-22 15:55:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:55:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:55:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-12-22 15:55:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-12-22 15:55:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-12-22 15:55:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-12-22 15:55:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-22 15:55:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-22 15:55:20,920 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:55:20,922 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:55:21,052 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:55:28,816 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:55:28,935 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:55:28,963 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:55:28,965 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:55:28,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:55:28 BoogieIcfgContainer [2021-12-22 15:55:28,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:55:28,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:55:28,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:55:28,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:55:28,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:55:15" (1/3) ... [2021-12-22 15:55:28,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271968c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:55:28, skipping insertion in model container [2021-12-22 15:55:28,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:55:19" (2/3) ... [2021-12-22 15:55:28,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271968c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:55:28, skipping insertion in model container [2021-12-22 15:55:28,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:55:28" (3/3) ... [2021-12-22 15:55:28,977 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-12-22 15:55:28,982 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:55:28,982 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:55:29,040 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:55:29,056 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 15:55:29,056 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:55:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 3088 states, 1764 states have (on average 1.251700680272109) internal successors, (2208), 1802 states have internal predecessors, (2208), 1209 states have call successors, (1209), 113 states have call predecessors, (1209), 112 states have return successors, (1201), 1184 states have call predecessors, (1201), 1201 states have call successors, (1201) [2021-12-22 15:55:29,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-12-22 15:55:29,155 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:55:29,156 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:55:29,171 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:55:29,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:55:29,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1728052139, now seen corresponding path program 1 times [2021-12-22 15:55:29,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:55:29,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022351875] [2021-12-22 15:55:29,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:55:29,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:55:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:55:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:55:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:55:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:55:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:55:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:55:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:55:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:55:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:55:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:55:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:55:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:55:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:55:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:55:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:55:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:55:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:55:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:55:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:55:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:55:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 15:55:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:55:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-22 15:55:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:55:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-22 15:55:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-22 15:55:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:55:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-22 15:55:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-22 15:55:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:55:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-22 15:55:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-22 15:55:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-22 15:55:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-22 15:55:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:30,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-22 15:55:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:31,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:31,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-22 15:55:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:31,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:31,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-22 15:55:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:31,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-22 15:55:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-12-22 15:55:31,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:55:31,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022351875] [2021-12-22 15:55:31,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022351875] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:55:31,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:55:31,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:55:31,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971362652] [2021-12-22 15:55:31,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:55:31,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:55:31,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:55:31,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:55:31,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:55:31,110 INFO L87 Difference]: Start difference. First operand has 3088 states, 1764 states have (on average 1.251700680272109) internal successors, (2208), 1802 states have internal predecessors, (2208), 1209 states have call successors, (1209), 113 states have call predecessors, (1209), 112 states have return successors, (1201), 1184 states have call predecessors, (1201), 1201 states have call successors, (1201) Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-22 15:55:42,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:55:42,470 INFO L93 Difference]: Finished difference Result 9518 states and 14416 transitions. [2021-12-22 15:55:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:55:42,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 424 [2021-12-22 15:55:42,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:55:42,562 INFO L225 Difference]: With dead ends: 9518 [2021-12-22 15:55:42,562 INFO L226 Difference]: Without dead ends: 6493 [2021-12-22 15:55:42,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 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 15:55:42,592 INFO L933 BasicCegarLoop]: 4178 mSDtfsCounter, 5067 mSDsluCounter, 4014 mSDsCounter, 0 mSdLazyCounter, 4384 mSolverCounterSat, 5109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6261 SdHoareTripleChecker+Valid, 8192 SdHoareTripleChecker+Invalid, 9493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5109 IncrementalHoareTripleChecker+Valid, 4384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:55:42,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6261 Valid, 8192 Invalid, 9493 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5109 Valid, 4384 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2021-12-22 15:55:42,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6493 states. [2021-12-22 15:55:43,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6493 to 5987. [2021-12-22 15:55:43,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 3430 states have (on average 1.2486880466472303) internal successors, (4283), 3501 states have internal predecessors, (4283), 2334 states have call successors, (2334), 221 states have call predecessors, (2334), 220 states have return successors, (2330), 2296 states have call predecessors, (2330), 2330 states have call successors, (2330) [2021-12-22 15:55:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8947 transitions. [2021-12-22 15:55:43,320 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8947 transitions. Word has length 424 [2021-12-22 15:55:43,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:55:43,326 INFO L470 AbstractCegarLoop]: Abstraction has 5987 states and 8947 transitions. [2021-12-22 15:55:43,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-22 15:55:43,326 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8947 transitions. [2021-12-22 15:55:43,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-12-22 15:55:43,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:55:43,341 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:55:43,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:55:43,342 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:55:43,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:55:43,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1453840431, now seen corresponding path program 1 times [2021-12-22 15:55:43,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:55:43,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145423802] [2021-12-22 15:55:43,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:55:43,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:55:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:55:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:55:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:55:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:55:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:55:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:55:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:55:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:55:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:55:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:55:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:55:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:55:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:55:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:55:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:55:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:55:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:55:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:55:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:55:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:55:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 15:55:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:55:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-22 15:55:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:55:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-22 15:55:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-22 15:55:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:55:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-22 15:55:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-22 15:55:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:55:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-22 15:55:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-22 15:55:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-22 15:55:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-22 15:55:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-22 15:55:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-22 15:55:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-22 15:55:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-22 15:55:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:44,537 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-12-22 15:55:44,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:55:44,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145423802] [2021-12-22 15:55:44,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145423802] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:55:44,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:55:44,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:55:44,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385179440] [2021-12-22 15:55:44,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:55:44,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:55:44,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:55:44,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:55:44,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:55:44,547 INFO L87 Difference]: Start difference. First operand 5987 states and 8947 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-22 15:55:54,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:55:54,981 INFO L93 Difference]: Finished difference Result 18475 states and 27791 transitions. [2021-12-22 15:55:54,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:55:54,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 425 [2021-12-22 15:55:54,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:55:55,085 INFO L225 Difference]: With dead ends: 18475 [2021-12-22 15:55:55,085 INFO L226 Difference]: Without dead ends: 12565 [2021-12-22 15:55:55,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 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 15:55:55,138 INFO L933 BasicCegarLoop]: 4204 mSDtfsCounter, 4862 mSDsluCounter, 4029 mSDsCounter, 0 mSdLazyCounter, 4361 mSolverCounterSat, 5110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6028 SdHoareTripleChecker+Valid, 8233 SdHoareTripleChecker+Invalid, 9471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5110 IncrementalHoareTripleChecker+Valid, 4361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:55:55,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6028 Valid, 8233 Invalid, 9471 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5110 Valid, 4361 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2021-12-22 15:55:55,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12565 states. [2021-12-22 15:55:55,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12565 to 11558. [2021-12-22 15:55:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11558 states, 6579 states have (on average 1.2479100167198662) internal successors, (8210), 6715 states have internal predecessors, (8210), 4543 states have call successors, (4543), 436 states have call predecessors, (4543), 433 states have return successors, (4585), 4462 states have call predecessors, (4585), 4539 states have call successors, (4585) [2021-12-22 15:55:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11558 states to 11558 states and 17338 transitions. [2021-12-22 15:55:55,902 INFO L78 Accepts]: Start accepts. Automaton has 11558 states and 17338 transitions. Word has length 425 [2021-12-22 15:55:55,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:55:55,904 INFO L470 AbstractCegarLoop]: Abstraction has 11558 states and 17338 transitions. [2021-12-22 15:55:55,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-22 15:55:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 11558 states and 17338 transitions. [2021-12-22 15:55:55,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-12-22 15:55:55,917 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:55:55,917 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:55:55,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:55:55,918 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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 15:55:55,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:55:55,918 INFO L85 PathProgramCache]: Analyzing trace with hash -556195055, now seen corresponding path program 1 times [2021-12-22 15:55:55,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:55:55,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564900690] [2021-12-22 15:55:55,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:55:55,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:55:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:55:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:55:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:55:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:55:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:55:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:55:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:55:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:55:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:55:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:55:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:55:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:55:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:55:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:55:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:55:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:55:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:55:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:55:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:55:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:55:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 15:55:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:55:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-22 15:55:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:55:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-22 15:55:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-22 15:55:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:55:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-22 15:55:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-22 15:55:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:55:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-22 15:55:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-22 15:55:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-22 15:55:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-22 15:55:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-22 15:55:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-22 15:55:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-22 15:55:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-22 15:55:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-22 15:55:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-22 15:55:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-22 15:55:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:55:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-22 15:55:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-22 15:55:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-22 15:55:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:55:56,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6154 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6144 trivial. 0 not checked. [2021-12-22 15:55:56,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:55:56,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564900690] [2021-12-22 15:55:56,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564900690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:55:56,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:55:56,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:55:56,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714176505] [2021-12-22 15:55:56,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:55:56,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:55:56,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:55:56,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:55:56,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:55:56,974 INFO L87 Difference]: Start difference. First operand 11558 states and 17338 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-22 15:56:06,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:56:06,144 INFO L93 Difference]: Finished difference Result 24526 states and 36930 transitions. [2021-12-22 15:56:06,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:56:06,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 480 [2021-12-22 15:56:06,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:56:06,278 INFO L225 Difference]: With dead ends: 24526 [2021-12-22 15:56:06,278 INFO L226 Difference]: Without dead ends: 18696 [2021-12-22 15:56:06,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 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 15:56:06,333 INFO L933 BasicCegarLoop]: 7374 mSDtfsCounter, 3854 mSDsluCounter, 5093 mSDsCounter, 0 mSdLazyCounter, 4402 mSolverCounterSat, 3879 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5043 SdHoareTripleChecker+Valid, 12467 SdHoareTripleChecker+Invalid, 8281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3879 IncrementalHoareTripleChecker+Valid, 4402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:56:06,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5043 Valid, 12467 Invalid, 8281 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3879 Valid, 4402 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2021-12-22 15:56:06,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18696 states. [2021-12-22 15:56:07,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18696 to 17231. [2021-12-22 15:56:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17231 states, 9808 states have (on average 1.2483686786296901) internal successors, (12244), 10008 states have internal predecessors, (12244), 6772 states have call successors, (6772), 652 states have call predecessors, (6772), 648 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2021-12-22 15:56:07,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17231 states to 17231 states and 25853 transitions. [2021-12-22 15:56:07,323 INFO L78 Accepts]: Start accepts. Automaton has 17231 states and 25853 transitions. Word has length 480 [2021-12-22 15:56:07,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:56:07,324 INFO L470 AbstractCegarLoop]: Abstraction has 17231 states and 25853 transitions. [2021-12-22 15:56:07,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-22 15:56:07,324 INFO L276 IsEmpty]: Start isEmpty. Operand 17231 states and 25853 transitions. [2021-12-22 15:56:07,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-12-22 15:56:07,336 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:56:07,336 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:56:07,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:56:07,337 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 15:56:07,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:56:07,337 INFO L85 PathProgramCache]: Analyzing trace with hash -415646445, now seen corresponding path program 1 times [2021-12-22 15:56:07,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:56:07,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036684566] [2021-12-22 15:56:07,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:56:07,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:56:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:56:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:56:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:56:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:56:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:56:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:56:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:56:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:56:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:56:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:56:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:56:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:56:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:56:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:56:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:56:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:56:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:56:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:56:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:56:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:56:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 15:56:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:56:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-22 15:56:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:56:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-22 15:56:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-22 15:56:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:56:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-22 15:56:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-22 15:56:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:56:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-22 15:56:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-22 15:56:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-22 15:56:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-22 15:56:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-22 15:56:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-22 15:56:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-22 15:56:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-22 15:56:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-22 15:56:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-22 15:56:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-22 15:56:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:56:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-22 15:56:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-22 15:56:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-22 15:56:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:56:08,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6154 trivial. 0 not checked. [2021-12-22 15:56:08,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:56:08,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036684566] [2021-12-22 15:56:08,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036684566] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:56:08,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:56:08,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:56:08,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647715482] [2021-12-22 15:56:08,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:56:08,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:56:08,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:56:08,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:56:08,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:56:08,746 INFO L87 Difference]: Start difference. First operand 17231 states and 25853 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45)