./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 ff03de63 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-ff03de6 [2021-12-21 17:28:39,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:28:39,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:28:39,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:28:39,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:28:39,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:28:39,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:28:39,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:28:39,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:28:39,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:28:39,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:28:39,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:28:39,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:28:39,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:28:39,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:28:39,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:28:39,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:28:39,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:28:39,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:28:39,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:28:39,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:28:39,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:28:39,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:28:39,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:28:39,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:28:39,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:28:39,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:28:39,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:28:39,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:28:39,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:28:39,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:28:39,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:28:39,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:28:39,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:28:39,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:28:39,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:28:39,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:28:39,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:28:39,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:28:39,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:28:39,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:28:39,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:28:39,691 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:28:39,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:28:39,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:28:39,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:28:39,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:28:39,693 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:28:39,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:28:39,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:28:39,693 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:28:39,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:28:39,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:28:39,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:28:39,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:28:39,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:28:39,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:28:39,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:28:39,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:28:39,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:28:39,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:28:39,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:28:39,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:28:39,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:28:39,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:28:39,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:28:39,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:28:39,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:28:39,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:28:39,697 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:28:39,697 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:28:39,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:28:39,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:28:39,697 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 [2021-12-21 17:28:39,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:28:39,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:28:39,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:28:39,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:28:39,941 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:28:39,942 INFO L432 ainManager$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 [2021-12-21 17:28:39,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5fbb8c7f/f7d136508ab24012bfea28a4109be2d5/FLAG41a1931aa [2021-12-21 17:28:40,746 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:28:40,746 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 [2021-12-21 17:28:40,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5fbb8c7f/f7d136508ab24012bfea28a4109be2d5/FLAG41a1931aa [2021-12-21 17:28:41,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5fbb8c7f/f7d136508ab24012bfea28a4109be2d5 [2021-12-21 17:28:41,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:28:41,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:28:41,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:28:41,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:28:41,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:28:41,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:28:41" (1/1) ... [2021-12-21 17:28:41,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5834847b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:41, skipping insertion in model container [2021-12-21 17:28:41,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:28:41" (1/1) ... [2021-12-21 17:28:41,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:28:41,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:28:44,594 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] [2021-12-21 17:28:44,597 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] [2021-12-21 17:28:44,597 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] [2021-12-21 17:28:44,598 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] [2021-12-21 17:28:44,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:28:44,681 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:28:45,049 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] [2021-12-21 17:28:45,050 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] [2021-12-21 17:28:45,051 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] [2021-12-21 17:28:45,051 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] [2021-12-21 17:28:45,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:28:45,173 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:28:45,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:45 WrapperNode [2021-12-21 17:28:45,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:28:45,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:28:45,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:28:45,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:28:45,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:45" (1/1) ... [2021-12-21 17:28:45,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:45" (1/1) ... [2021-12-21 17:28:45,449 INFO L137 Inliner]: procedures = 522, calls = 3749, calls flagged for inlining = 276, calls inlined = 260, statements flattened = 6740 [2021-12-21 17:28:45,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:28:45,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:28:45,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:28:45,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:28:45,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:45" (1/1) ... [2021-12-21 17:28:45,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:45" (1/1) ... [2021-12-21 17:28:45,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:45" (1/1) ... [2021-12-21 17:28:45,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:45" (1/1) ... [2021-12-21 17:28:45,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:45" (1/1) ... [2021-12-21 17:28:45,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:45" (1/1) ... [2021-12-21 17:28:45,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:45" (1/1) ... [2021-12-21 17:28:45,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:28:45,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:28:45,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:28:45,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:28:45,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:45" (1/1) ... [2021-12-21 17:28:45,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:28:45,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:28:45,847 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) [2021-12-21 17:28:45,908 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 [2021-12-21 17:28:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-12-21 17:28:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-12-21 17:28:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-12-21 17:28:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-12-21 17:28:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-12-21 17:28:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-12-21 17:28:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-12-21 17:28:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-12-21 17:28:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 17:28:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 17:28:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:28:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:28:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:28:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:28:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-12-21 17:28:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-12-21 17:28:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-12-21 17:28:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-12-21 17:28:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-21 17:28:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-21 17:28:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 17:28:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 17:28:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 17:28:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 17:28:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 17:28:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 17:28:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-12-21 17:28:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-12-21 17:28:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-12-21 17:28:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-12-21 17:28:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-12-21 17:28:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-12-21 17:28:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:28:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:28:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-12-21 17:28:45,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-12-21 17:28:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-12-21 17:28:45,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-12-21 17:28:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-12-21 17:28:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-12-21 17:28:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:28:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:28:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-21 17:28:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-21 17:28:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2021-12-21 17:28:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2021-12-21 17:28:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:28:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-12-21 17:28:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-12-21 17:28:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-12-21 17:28:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-12-21 17:28:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-12-21 17:28:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-12-21 17:28:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:28:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-12-21 17:28:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-12-21 17:28:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2021-12-21 17:28:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2021-12-21 17:28:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:28:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:28:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 17:28:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 17:28:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-12-21 17:28:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-12-21 17:28:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:28:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:28:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:28:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-12-21 17:28:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-12-21 17:28:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:28:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 17:28:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 17:28:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-12-21 17:28:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-12-21 17:28:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:28:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:28:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-21 17:28:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-21 17:28:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:28:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:28:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:28:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:28:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-21 17:28:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-21 17:28:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-12-21 17:28:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-12-21 17:28:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-12-21 17:28:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-12-21 17:28:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-21 17:28:45,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-21 17:28:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 17:28:45,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 17:28:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-12-21 17:28:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-12-21 17:28:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-12-21 17:28:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-12-21 17:28:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-12-21 17:28:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-12-21 17:28:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-21 17:28:45,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-21 17:28:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-21 17:28:45,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-21 17:28:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:28:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-21 17:28:45,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-21 17:28:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 17:28:45,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 17:28:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:28:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 17:28:45,967 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 17:28:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-21 17:28:45,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-21 17:28:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-12-21 17:28:45,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-12-21 17:28:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:28:45,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:28:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 17:28:45,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 17:28:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:28:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:28:45,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:28:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:28:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:28:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-12-21 17:28:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-12-21 17:28:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2021-12-21 17:28:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2021-12-21 17:28:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-12-21 17:28:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-12-21 17:28:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:28:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:28:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2021-12-21 17:28:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2021-12-21 17:28:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-12-21 17:28:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-12-21 17:28:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2021-12-21 17:28:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2021-12-21 17:28:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-12-21 17:28:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-12-21 17:28:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-12-21 17:28:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-12-21 17:28:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-21 17:28:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-21 17:28:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:28:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:28:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 17:28:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 17:28:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-12-21 17:28:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-12-21 17:28:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:28:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:28:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:28:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:28:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-12-21 17:28:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-12-21 17:28:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-21 17:28:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-21 17:28:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2021-12-21 17:28:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2021-12-21 17:28:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-12-21 17:28:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-12-21 17:28:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-12-21 17:28:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-12-21 17:28:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-12-21 17:28:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-12-21 17:28:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-21 17:28:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-21 17:28:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-21 17:28:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-21 17:28:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-21 17:28:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-21 17:28:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-12-21 17:28:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-12-21 17:28:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:28:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:28:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-21 17:28:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-21 17:28:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-12-21 17:28:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-12-21 17:28:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:28:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-12-21 17:28:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-12-21 17:28:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:28:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:28:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-21 17:28:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-21 17:28:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:28:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:28:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-12-21 17:28:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-12-21 17:28:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-12-21 17:28:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-12-21 17:28:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-12-21 17:28:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-12-21 17:28:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2021-12-21 17:28:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2021-12-21 17:28:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-21 17:28:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-21 17:28:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-12-21 17:28:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-12-21 17:28:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-12-21 17:28:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-12-21 17:28:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:28:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-12-21 17:28:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-12-21 17:28:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-21 17:28:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-21 17:28:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:28:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:28:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-12-21 17:28:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-12-21 17:28:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-12-21 17:28:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-12-21 17:28:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2021-12-21 17:28:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2021-12-21 17:28:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-21 17:28:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-21 17:28:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-21 17:28:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-21 17:28:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:28:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:28:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-12-21 17:28:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-12-21 17:28:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-21 17:28:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-21 17:28:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-12-21 17:28:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-12-21 17:28:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-12-21 17:28:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-12-21 17:28:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-21 17:28:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:28:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 17:28:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 17:28:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-12-21 17:28:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-12-21 17:28:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:28:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:28:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-12-21 17:28:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-12-21 17:28:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-12-21 17:28:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-12-21 17:28:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-21 17:28:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-21 17:28:46,915 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:28:46,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:28:47,100 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:28:54,096 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 17:28:54,200 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:28:54,223 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:28:54,224 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 17:28:54,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:28:54 BoogieIcfgContainer [2021-12-21 17:28:54,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:28:54,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:28:54,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:28:54,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:28:54,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:28:41" (1/3) ... [2021-12-21 17:28:54,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b0fb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:28:54, skipping insertion in model container [2021-12-21 17:28:54,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:28:45" (2/3) ... [2021-12-21 17:28:54,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b0fb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:28:54, skipping insertion in model container [2021-12-21 17:28:54,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:28:54" (3/3) ... [2021-12-21 17:28:54,236 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-12-21 17:28:54,239 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:28:54,240 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-21 17:28:54,296 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:28:54,300 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 [2021-12-21 17:28:54,301 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-21 17:28:54,355 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) [2021-12-21 17:28:54,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-12-21 17:28:54,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:28:54,375 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] [2021-12-21 17:28:54,375 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)] === [2021-12-21 17:28:54,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:28:54,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1728052139, now seen corresponding path program 1 times [2021-12-21 17:28:54,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:28:54,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938067304] [2021-12-21 17:28:54,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:28:54,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:28:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:28:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:28:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:28:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:28:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:28:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:28:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:28:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:28:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:28:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:28:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:28:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:28:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:28:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:28:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:28:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:28:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:28:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:28:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:28:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:28:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:28:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:28:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:28:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:28:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:28:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:28:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 17:28:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:28:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 17:28:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 17:28:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:28:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 17:28:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-21 17:28:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 17:28:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 17:28:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-21 17:28:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:56,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-21 17:28:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:56,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-21 17:28:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:56,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-12-21 17:28:56,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:28:56,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938067304] [2021-12-21 17:28:56,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938067304] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:28:56,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:28:56,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:28:56,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696304897] [2021-12-21 17:28:56,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:28:56,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:28:56,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:28:56,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:28:56,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:28:56,153 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) [2021-12-21 17:29:05,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:29:05,611 INFO L93 Difference]: Finished difference Result 9518 states and 14416 transitions. [2021-12-21 17:29:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:29:05,613 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 [2021-12-21 17:29:05,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:29:05,688 INFO L225 Difference]: With dead ends: 9518 [2021-12-21 17:29:05,688 INFO L226 Difference]: Without dead ends: 6493 [2021-12-21 17:29:05,717 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 [2021-12-21 17:29:05,728 INFO L933 BasicCegarLoop]: 4176 mSDtfsCounter, 5067 mSDsluCounter, 4010 mSDsCounter, 0 mSdLazyCounter, 4384 mSolverCounterSat, 5109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6261 SdHoareTripleChecker+Valid, 8186 SdHoareTripleChecker+Invalid, 9493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5109 IncrementalHoareTripleChecker+Valid, 4384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-21 17:29:05,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6261 Valid, 8186 Invalid, 9493 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5109 Valid, 4384 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2021-12-21 17:29:05,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6493 states. [2021-12-21 17:29:06,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6493 to 5987. [2021-12-21 17:29:06,172 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) [2021-12-21 17:29:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8947 transitions. [2021-12-21 17:29:06,229 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8947 transitions. Word has length 424 [2021-12-21 17:29:06,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:29:06,234 INFO L470 AbstractCegarLoop]: Abstraction has 5987 states and 8947 transitions. [2021-12-21 17:29:06,234 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) [2021-12-21 17:29:06,234 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8947 transitions. [2021-12-21 17:29:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-12-21 17:29:06,246 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:29:06,247 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] [2021-12-21 17:29:06,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:29:06,248 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)] === [2021-12-21 17:29:06,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:29:06,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1453840431, now seen corresponding path program 1 times [2021-12-21 17:29:06,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:29:06,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304144532] [2021-12-21 17:29:06,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:29:06,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:29:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:29:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:29:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:29:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:29:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:29:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:29:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:29:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:29:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:29:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:29:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:29:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:29:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:29:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:29:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:29:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:29:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:29:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:29:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:29:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:29:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:29:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:29:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:29:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:29:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:29:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:29:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 17:29:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:29:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 17:29:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 17:29:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:29:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 17:29:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-21 17:29:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 17:29:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 17:29:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-21 17:29:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-21 17:29:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-21 17:29:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-12-21 17:29:07,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:29:07,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304144532] [2021-12-21 17:29:07,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304144532] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:29:07,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:29:07,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:29:07,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271074062] [2021-12-21 17:29:07,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:29:07,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:29:07,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:29:07,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:29:07,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:29:07,368 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) [2021-12-21 17:29:16,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:29:16,801 INFO L93 Difference]: Finished difference Result 18475 states and 27791 transitions. [2021-12-21 17:29:16,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:29:16,801 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 [2021-12-21 17:29:16,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:29:16,894 INFO L225 Difference]: With dead ends: 18475 [2021-12-21 17:29:16,894 INFO L226 Difference]: Without dead ends: 12565 [2021-12-21 17:29:16,936 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 [2021-12-21 17:29:16,937 INFO L933 BasicCegarLoop]: 4192 mSDtfsCounter, 4862 mSDsluCounter, 4018 mSDsCounter, 0 mSdLazyCounter, 4361 mSolverCounterSat, 5120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6029 SdHoareTripleChecker+Valid, 8210 SdHoareTripleChecker+Invalid, 9481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5120 IncrementalHoareTripleChecker+Valid, 4361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-21 17:29:16,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6029 Valid, 8210 Invalid, 9481 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5120 Valid, 4361 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2021-12-21 17:29:16,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12565 states. [2021-12-21 17:29:17,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12565 to 11558. [2021-12-21 17:29:17,531 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) [2021-12-21 17:29:17,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11558 states to 11558 states and 17338 transitions. [2021-12-21 17:29:17,601 INFO L78 Accepts]: Start accepts. Automaton has 11558 states and 17338 transitions. Word has length 425 [2021-12-21 17:29:17,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:29:17,603 INFO L470 AbstractCegarLoop]: Abstraction has 11558 states and 17338 transitions. [2021-12-21 17:29:17,603 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) [2021-12-21 17:29:17,604 INFO L276 IsEmpty]: Start isEmpty. Operand 11558 states and 17338 transitions. [2021-12-21 17:29:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-12-21 17:29:17,617 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:29:17,617 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] [2021-12-21 17:29:17,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:29:17,618 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)] === [2021-12-21 17:29:17,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:29:17,618 INFO L85 PathProgramCache]: Analyzing trace with hash -556195055, now seen corresponding path program 1 times [2021-12-21 17:29:17,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:29:17,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371978657] [2021-12-21 17:29:17,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:29:17,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:29:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:29:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:29:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:29:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:29:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:29:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:29:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:29:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:17,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:29:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:29:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:29:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:29:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:29:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:29:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:29:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:29:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:29:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:29:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:29:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:29:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:29:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:29:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:29:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:29:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:29:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:29:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:29:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 17:29:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:29:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 17:29:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 17:29:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:29:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 17:29:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-21 17:29:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 17:29:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 17:29:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-21 17:29:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-21 17:29:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-21 17:29:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-21 17:29:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-21 17:29:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-21 17:29:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-21 17:29:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-21 17:29:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-21 17:29:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:18,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6154 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6144 trivial. 0 not checked. [2021-12-21 17:29:18,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:29:18,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371978657] [2021-12-21 17:29:18,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371978657] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:29:18,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:29:18,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:29:18,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69402045] [2021-12-21 17:29:18,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:29:18,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:29:18,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:29:18,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:29:18,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:29:18,772 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) [2021-12-21 17:29:27,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:29:27,707 INFO L93 Difference]: Finished difference Result 24526 states and 36930 transitions. [2021-12-21 17:29:27,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:29:27,713 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 [2021-12-21 17:29:27,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:29:27,815 INFO L225 Difference]: With dead ends: 24526 [2021-12-21 17:29:27,815 INFO L226 Difference]: Without dead ends: 18696 [2021-12-21 17:29:27,853 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 [2021-12-21 17:29:27,857 INFO L933 BasicCegarLoop]: 7374 mSDtfsCounter, 3854 mSDsluCounter, 5094 mSDsCounter, 0 mSdLazyCounter, 4402 mSolverCounterSat, 3879 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5044 SdHoareTripleChecker+Valid, 12468 SdHoareTripleChecker+Invalid, 8281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3879 IncrementalHoareTripleChecker+Valid, 4402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-12-21 17:29:27,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5044 Valid, 12468 Invalid, 8281 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3879 Valid, 4402 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2021-12-21 17:29:27,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18696 states. [2021-12-21 17:29:28,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18696 to 17231. [2021-12-21 17:29:28,728 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) [2021-12-21 17:29:28,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17231 states to 17231 states and 25853 transitions. [2021-12-21 17:29:28,836 INFO L78 Accepts]: Start accepts. Automaton has 17231 states and 25853 transitions. Word has length 480 [2021-12-21 17:29:28,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:29:28,837 INFO L470 AbstractCegarLoop]: Abstraction has 17231 states and 25853 transitions. [2021-12-21 17:29:28,837 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) [2021-12-21 17:29:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 17231 states and 25853 transitions. [2021-12-21 17:29:28,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-12-21 17:29:28,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:29:28,850 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] [2021-12-21 17:29:28,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 17:29:28,851 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)] === [2021-12-21 17:29:28,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:29:28,851 INFO L85 PathProgramCache]: Analyzing trace with hash -415646445, now seen corresponding path program 1 times [2021-12-21 17:29:28,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:29:28,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890986017] [2021-12-21 17:29:28,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:29:28,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:29:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:29:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:29:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:29:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:29:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:29:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:29:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:29:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:29:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:29:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:29:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:29:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:29:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:29:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:29:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:29:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:29:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:29:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:29:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:29:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:29:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:29:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:29:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:29:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:29:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:29:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:29:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 17:29:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:29:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 17:29:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 17:29:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:29:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 17:29:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-21 17:29:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:29,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 17:29:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 17:29:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-21 17:29:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-21 17:29:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-21 17:29:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-21 17:29:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-21 17:29:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-21 17:29:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:29:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-21 17:29:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-21 17:29:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-21 17:29:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:29:30,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6154 trivial. 0 not checked. [2021-12-21 17:29:30,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:29:30,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890986017] [2021-12-21 17:29:30,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890986017] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:29:30,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:29:30,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:29:30,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144575663] [2021-12-21 17:29:30,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:29:30,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:29:30,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:29:30,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:29:30,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:29:30,169 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)