./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.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 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 11:05:42,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 11:05:42,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 11:05:42,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 11:05:42,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 11:05:42,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 11:05:42,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 11:05:42,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 11:05:42,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 11:05:42,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 11:05:42,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 11:05:42,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 11:05:42,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 11:05:42,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 11:05:42,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 11:05:42,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 11:05:42,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 11:05:42,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 11:05:42,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 11:05:42,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 11:05:42,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 11:05:42,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 11:05:42,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 11:05:42,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 11:05:42,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 11:05:42,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 11:05:42,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 11:05:42,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 11:05:42,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 11:05:42,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 11:05:42,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 11:05:42,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 11:05:42,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 11:05:42,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 11:05:42,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 11:05:42,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 11:05:42,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 11:05:42,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 11:05:42,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 11:05:42,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 11:05:42,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 11:05:42,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 11:05:42,724 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 11:05:42,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 11:05:42,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 11:05:42,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 11:05:42,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 11:05:42,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 11:05:42,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 11:05:42,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 11:05:42,727 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 11:05:42,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 11:05:42,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 11:05:42,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 11:05:42,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 11:05:42,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 11:05:42,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 11:05:42,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 11:05:42,729 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 11:05:42,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 11:05:42,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 11:05:42,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 11:05:42,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 11:05:42,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:05:42,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 11:05:42,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 11:05:42,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 11:05:42,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 11:05:42,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 11:05:42,731 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 11:05:42,731 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 11:05:42,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 11:05:42,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 11:05:42,731 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 [2021-12-18 11:05:42,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 11:05:43,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 11:05:43,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 11:05:43,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 11:05:43,014 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 11:05:43,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-12-18 11:05:43,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bedbeb80/3a5d3dba2d314c75a8a878cb93ea86f1/FLAG7aac16b21 [2021-12-18 11:05:43,883 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 11:05:43,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-12-18 11:05:43,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bedbeb80/3a5d3dba2d314c75a8a878cb93ea86f1/FLAG7aac16b21 [2021-12-18 11:05:44,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bedbeb80/3a5d3dba2d314c75a8a878cb93ea86f1 [2021-12-18 11:05:44,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 11:05:44,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 11:05:44,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 11:05:44,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 11:05:44,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 11:05:44,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:05:44" (1/1) ... [2021-12-18 11:05:44,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e47031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:44, skipping insertion in model container [2021-12-18 11:05:44,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:05:44" (1/1) ... [2021-12-18 11:05:44,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 11:05:44,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 11:05:48,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2021-12-18 11:05:48,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2021-12-18 11:05:48,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2021-12-18 11:05:48,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2021-12-18 11:05:48,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:05:48,494 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 11:05:48,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2021-12-18 11:05:48,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2021-12-18 11:05:48,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2021-12-18 11:05:48,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2021-12-18 11:05:48,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:05:49,277 INFO L208 MainTranslator]: Completed translation [2021-12-18 11:05:49,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:49 WrapperNode [2021-12-18 11:05:49,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 11:05:49,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 11:05:49,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 11:05:49,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 11:05:49,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:49" (1/1) ... [2021-12-18 11:05:49,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:49" (1/1) ... [2021-12-18 11:05:49,864 INFO L137 Inliner]: procedures = 663, calls = 4677, calls flagged for inlining = 358, calls inlined = 345, statements flattened = 10344 [2021-12-18 11:05:49,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 11:05:49,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 11:05:49,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 11:05:49,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 11:05:49,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:49" (1/1) ... [2021-12-18 11:05:49,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:49" (1/1) ... [2021-12-18 11:05:49,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:49" (1/1) ... [2021-12-18 11:05:49,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:49" (1/1) ... [2021-12-18 11:05:50,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:49" (1/1) ... [2021-12-18 11:05:50,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:49" (1/1) ... [2021-12-18 11:05:50,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:49" (1/1) ... [2021-12-18 11:05:50,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 11:05:50,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 11:05:50,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 11:05:50,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 11:05:50,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:49" (1/1) ... [2021-12-18 11:05:50,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:05:50,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 11:05:50,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 11:05:50,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 11:05:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 11:05:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 11:05:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 11:05:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 11:05:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2021-12-18 11:05:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2021-12-18 11:05:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 11:05:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 11:05:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2021-12-18 11:05:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2021-12-18 11:05:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 11:05:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 11:05:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-18 11:05:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-18 11:05:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2021-12-18 11:05:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2021-12-18 11:05:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2021-12-18 11:05:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2021-12-18 11:05:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2021-12-18 11:05:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2021-12-18 11:05:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2021-12-18 11:05:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2021-12-18 11:05:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:05:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:05:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2021-12-18 11:05:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2021-12-18 11:05:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 11:05:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 11:05:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-12-18 11:05:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-12-18 11:05:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-18 11:05:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-18 11:05:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2021-12-18 11:05:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2021-12-18 11:05:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2021-12-18 11:05:50,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2021-12-18 11:05:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 11:05:50,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 11:05:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 11:05:50,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 11:05:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 11:05:50,399 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 11:05:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 11:05:50,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 11:05:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2021-12-18 11:05:50,399 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2021-12-18 11:05:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 11:05:50,400 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 11:05:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 11:05:50,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 11:05:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 11:05:50,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 11:05:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2021-12-18 11:05:50,402 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2021-12-18 11:05:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 11:05:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 11:05:50,403 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 11:05:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-18 11:05:50,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-18 11:05:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-18 11:05:50,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-18 11:05:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2021-12-18 11:05:50,404 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2021-12-18 11:05:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2021-12-18 11:05:50,404 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2021-12-18 11:05:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2021-12-18 11:05:50,404 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2021-12-18 11:05:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-12-18 11:05:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-12-18 11:05:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 11:05:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 11:05:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2021-12-18 11:05:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2021-12-18 11:05:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2021-12-18 11:05:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2021-12-18 11:05:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2021-12-18 11:05:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2021-12-18 11:05:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2021-12-18 11:05:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2021-12-18 11:05:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 11:05:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2021-12-18 11:05:50,407 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2021-12-18 11:05:50,407 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 11:05:50,407 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 11:05:50,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 11:05:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2021-12-18 11:05:50,408 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2021-12-18 11:05:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 11:05:50,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 11:05:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2021-12-18 11:05:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2021-12-18 11:05:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2021-12-18 11:05:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2021-12-18 11:05:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 11:05:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 11:05:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 11:05:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2021-12-18 11:05:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2021-12-18 11:05:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 11:05:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 11:05:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 11:05:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 11:05:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2021-12-18 11:05:50,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2021-12-18 11:05:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 11:05:50,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 11:05:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-18 11:05:50,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-18 11:05:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 11:05:50,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 11:05:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2021-12-18 11:05:50,412 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2021-12-18 11:05:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-18 11:05:50,415 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-18 11:05:50,416 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2021-12-18 11:05:50,416 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2021-12-18 11:05:50,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:05:50,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:05:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 11:05:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 11:05:50,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 11:05:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 11:05:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 11:05:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 11:05:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2021-12-18 11:05:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2021-12-18 11:05:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-12-18 11:05:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-12-18 11:05:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 11:05:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 11:05:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 11:05:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 11:05:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 11:05:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:05:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:05:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2021-12-18 11:05:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2021-12-18 11:05:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2021-12-18 11:05:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2021-12-18 11:05:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:05:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:05:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-18 11:05:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-18 11:05:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2021-12-18 11:05:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2021-12-18 11:05:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2021-12-18 11:05:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2021-12-18 11:05:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 11:05:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 11:05:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2021-12-18 11:05:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2021-12-18 11:05:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 11:05:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 11:05:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-18 11:05:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-18 11:05:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-18 11:05:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-18 11:05:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2021-12-18 11:05:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2021-12-18 11:05:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-18 11:05:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-18 11:05:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-18 11:05:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-18 11:05:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 11:05:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 11:05:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2021-12-18 11:05:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2021-12-18 11:05:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2021-12-18 11:05:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2021-12-18 11:05:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2021-12-18 11:05:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2021-12-18 11:05:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 11:05:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 11:05:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 11:05:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 11:05:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2021-12-18 11:05:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2021-12-18 11:05:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-12-18 11:05:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-12-18 11:05:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2021-12-18 11:05:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2021-12-18 11:05:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:05:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:05:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2021-12-18 11:05:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2021-12-18 11:05:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2021-12-18 11:05:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2021-12-18 11:05:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2021-12-18 11:05:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2021-12-18 11:05:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2021-12-18 11:05:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2021-12-18 11:05:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 11:05:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 11:05:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2021-12-18 11:05:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2021-12-18 11:05:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 11:05:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 11:05:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2021-12-18 11:05:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2021-12-18 11:05:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 11:05:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 11:05:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-18 11:05:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-18 11:05:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2021-12-18 11:05:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2021-12-18 11:05:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2021-12-18 11:05:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2021-12-18 11:05:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2021-12-18 11:05:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2021-12-18 11:05:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 11:05:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 11:05:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2021-12-18 11:05:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2021-12-18 11:05:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 11:05:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 11:05:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-18 11:05:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-18 11:05:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2021-12-18 11:05:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2021-12-18 11:05:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2021-12-18 11:05:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2021-12-18 11:05:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 11:05:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 11:05:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 11:05:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 11:05:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 11:05:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 11:05:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 11:05:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2021-12-18 11:05:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2021-12-18 11:05:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 11:05:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2021-12-18 11:05:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2021-12-18 11:05:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-18 11:05:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-18 11:05:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2021-12-18 11:05:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2021-12-18 11:05:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-18 11:05:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-18 11:05:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2021-12-18 11:05:50,441 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2021-12-18 11:05:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 11:05:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2021-12-18 11:05:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2021-12-18 11:05:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 11:05:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 11:05:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 11:05:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 11:05:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 11:05:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 11:05:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 11:05:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 11:05:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 11:05:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 11:05:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2021-12-18 11:05:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2021-12-18 11:05:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 11:05:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 11:05:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2021-12-18 11:05:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2021-12-18 11:05:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2021-12-18 11:05:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2021-12-18 11:05:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-12-18 11:05:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-12-18 11:05:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-12-18 11:05:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-12-18 11:05:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2021-12-18 11:05:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2021-12-18 11:05:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 11:05:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 11:05:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2021-12-18 11:05:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2021-12-18 11:05:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2021-12-18 11:05:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2021-12-18 11:05:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 11:05:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 11:05:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2021-12-18 11:05:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2021-12-18 11:05:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-18 11:05:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-18 11:05:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2021-12-18 11:05:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2021-12-18 11:05:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2021-12-18 11:05:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2021-12-18 11:05:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2021-12-18 11:05:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2021-12-18 11:05:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-18 11:05:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-18 11:05:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 11:05:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 11:05:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_72 [2021-12-18 11:05:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_72 [2021-12-18 11:05:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 11:05:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2021-12-18 11:05:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2021-12-18 11:05:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 11:05:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 11:05:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2021-12-18 11:05:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2021-12-18 11:05:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2021-12-18 11:05:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2021-12-18 11:05:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2021-12-18 11:05:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2021-12-18 11:05:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2021-12-18 11:05:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2021-12-18 11:05:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2021-12-18 11:05:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2021-12-18 11:05:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2021-12-18 11:05:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2021-12-18 11:05:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 11:05:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 11:05:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2021-12-18 11:05:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2021-12-18 11:05:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2021-12-18 11:05:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2021-12-18 11:05:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2021-12-18 11:05:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2021-12-18 11:05:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2021-12-18 11:05:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2021-12-18 11:05:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2021-12-18 11:05:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2021-12-18 11:05:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2021-12-18 11:05:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2021-12-18 11:05:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-18 11:05:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-18 11:05:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2021-12-18 11:05:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2021-12-18 11:05:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2021-12-18 11:05:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2021-12-18 11:05:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2021-12-18 11:05:50,515 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2021-12-18 11:05:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2021-12-18 11:05:50,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2021-12-18 11:05:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 11:05:50,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 11:05:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 11:05:50,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 11:05:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2021-12-18 11:05:50,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2021-12-18 11:05:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2021-12-18 11:05:50,515 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2021-12-18 11:05:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2021-12-18 11:05:50,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2021-12-18 11:05:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-18 11:05:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-18 11:05:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 11:05:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 11:05:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2021-12-18 11:05:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2021-12-18 11:05:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 11:05:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 11:05:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 11:05:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2021-12-18 11:05:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2021-12-18 11:05:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-18 11:05:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-18 11:05:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2021-12-18 11:05:50,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2021-12-18 11:05:51,812 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 11:05:51,815 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 11:05:55,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 11:06:07,486 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 11:06:07,597 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 11:06:07,626 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 11:06:07,626 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-18 11:06:07,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:06:07 BoogieIcfgContainer [2021-12-18 11:06:07,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 11:06:07,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 11:06:07,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 11:06:07,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 11:06:07,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:05:44" (1/3) ... [2021-12-18 11:06:07,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bbd452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:06:07, skipping insertion in model container [2021-12-18 11:06:07,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:49" (2/3) ... [2021-12-18 11:06:07,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bbd452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:06:07, skipping insertion in model container [2021-12-18 11:06:07,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:06:07" (3/3) ... [2021-12-18 11:06:07,638 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-12-18 11:06:07,642 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 11:06:07,642 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 11:06:07,692 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 11:06:07,697 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 11:06:07,697 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 11:06:07,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 3184 states, 2248 states have (on average 1.2887010676156583) internal successors, (2897), 2315 states have internal predecessors, (2897), 767 states have call successors, (767), 171 states have call predecessors, (767), 170 states have return successors, (761), 748 states have call predecessors, (761), 761 states have call successors, (761) [2021-12-18 11:06:07,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-18 11:06:07,773 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:06:07,774 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:06:07,774 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:06:07,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:06:07,779 INFO L85 PathProgramCache]: Analyzing trace with hash -730845148, now seen corresponding path program 1 times [2021-12-18 11:06:07,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:06:07,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823532959] [2021-12-18 11:06:07,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:06:07,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:06:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:06:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:06:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:06:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:06:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:06:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:06:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:06:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:06:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:06:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:06:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:06:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:06:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:06:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:06:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:06:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:06:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:06:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:06:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:06:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:06:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 11:06:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-18 11:06:08,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:06:08,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823532959] [2021-12-18 11:06:08,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823532959] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:06:08,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:06:08,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:06:08,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765863823] [2021-12-18 11:06:08,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:06:08,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:06:08,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:06:09,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:06:09,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:06:09,030 INFO L87 Difference]: Start difference. First operand has 3184 states, 2248 states have (on average 1.2887010676156583) internal successors, (2897), 2315 states have internal predecessors, (2897), 767 states have call successors, (767), 171 states have call predecessors, (767), 170 states have return successors, (761), 748 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 11:06:13,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:15,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:18,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:21,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:24,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:29,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:31,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:32,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:06:32,171 INFO L93 Difference]: Finished difference Result 9700 states and 13678 transitions. [2021-12-18 11:06:32,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:06:32,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2021-12-18 11:06:32,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:06:32,268 INFO L225 Difference]: With dead ends: 9700 [2021-12-18 11:06:32,269 INFO L226 Difference]: Without dead ends: 6549 [2021-12-18 11:06:32,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:06:32,305 INFO L933 BasicCegarLoop]: 4659 mSDtfsCounter, 5801 mSDsluCounter, 5209 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 2275 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6469 SdHoareTripleChecker+Valid, 9868 SdHoareTripleChecker+Invalid, 4980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2275 IncrementalHoareTripleChecker+Valid, 2700 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2021-12-18 11:06:32,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6469 Valid, 9868 Invalid, 4980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2275 Valid, 2700 Invalid, 5 Unknown, 0 Unchecked, 22.5s Time] [2021-12-18 11:06:32,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6549 states. [2021-12-18 11:06:32,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6549 to 6193. [2021-12-18 11:06:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6193 states, 4391 states have (on average 1.2862673650649055) internal successors, (5648), 4520 states have internal predecessors, (5648), 1463 states have call successors, (1463), 337 states have call predecessors, (1463), 336 states have return successors, (1459), 1433 states have call predecessors, (1459), 1459 states have call successors, (1459) [2021-12-18 11:06:32,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6193 states to 6193 states and 8570 transitions. [2021-12-18 11:06:32,768 INFO L78 Accepts]: Start accepts. Automaton has 6193 states and 8570 transitions. Word has length 237 [2021-12-18 11:06:32,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:06:32,770 INFO L470 AbstractCegarLoop]: Abstraction has 6193 states and 8570 transitions. [2021-12-18 11:06:32,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 11:06:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 6193 states and 8570 transitions. [2021-12-18 11:06:32,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-18 11:06:32,776 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:06:32,777 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:06:32,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 11:06:32,777 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:06:32,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:06:32,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1670687779, now seen corresponding path program 1 times [2021-12-18 11:06:32,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:06:32,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508139419] [2021-12-18 11:06:32,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:06:32,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:06:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:06:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:06:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:06:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:06:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:06:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:06:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:06:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:06:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:06:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:06:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:06:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:06:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:06:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:06:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:06:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:06:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:06:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:06:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:06:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:06:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-18 11:06:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 11:06:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-18 11:06:33,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:06:33,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508139419] [2021-12-18 11:06:33,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508139419] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:06:33,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:06:33,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:06:33,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059076781] [2021-12-18 11:06:33,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:06:33,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:06:33,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:06:33,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:06:33,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:06:33,467 INFO L87 Difference]: Start difference. First operand 6193 states and 8570 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 11:06:37,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:39,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:48,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:49,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:06:49,138 INFO L93 Difference]: Finished difference Result 19123 states and 26631 transitions. [2021-12-18 11:06:49,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:06:49,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 241 [2021-12-18 11:06:49,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:06:49,228 INFO L225 Difference]: With dead ends: 19123 [2021-12-18 11:06:49,229 INFO L226 Difference]: Without dead ends: 12973 [2021-12-18 11:06:49,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:06:49,261 INFO L933 BasicCegarLoop]: 4748 mSDtfsCounter, 5795 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 2704 mSolverCounterSat, 2316 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6459 SdHoareTripleChecker+Valid, 10045 SdHoareTripleChecker+Invalid, 5022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2316 IncrementalHoareTripleChecker+Valid, 2704 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-12-18 11:06:49,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6459 Valid, 10045 Invalid, 5022 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2316 Valid, 2704 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2021-12-18 11:06:49,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12973 states. [2021-12-18 11:06:49,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12973 to 12402. [2021-12-18 11:06:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12402 states, 8820 states have (on average 1.2878684807256235) internal successors, (11359), 9088 states have internal predecessors, (11359), 2894 states have call successors, (2894), 672 states have call predecessors, (2894), 685 states have return successors, (2958), 2837 states have call predecessors, (2958), 2890 states have call successors, (2958) [2021-12-18 11:06:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12402 states to 12402 states and 17211 transitions. [2021-12-18 11:06:49,783 INFO L78 Accepts]: Start accepts. Automaton has 12402 states and 17211 transitions. Word has length 241 [2021-12-18 11:06:49,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:06:49,786 INFO L470 AbstractCegarLoop]: Abstraction has 12402 states and 17211 transitions. [2021-12-18 11:06:49,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 11:06:49,787 INFO L276 IsEmpty]: Start isEmpty. Operand 12402 states and 17211 transitions. [2021-12-18 11:06:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-18 11:06:49,793 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:06:49,794 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:06:49,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 11:06:49,794 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:06:49,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:06:49,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1137925977, now seen corresponding path program 1 times [2021-12-18 11:06:49,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:06:49,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452437101] [2021-12-18 11:06:49,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:06:49,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:06:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:06:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:06:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:06:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:06:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:06:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:06:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:06:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:06:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:06:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:06:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:06:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:06:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:06:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:06:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:06:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:06:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:06:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:06:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:06:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:06:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 11:06:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:06:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-18 11:06:50,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:06:50,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452437101] [2021-12-18 11:06:50,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452437101] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:06:50,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:06:50,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:06:50,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097950067] [2021-12-18 11:06:50,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:06:50,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:06:50,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:06:50,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:06:50,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:06:50,454 INFO L87 Difference]: Start difference. First operand 12402 states and 17211 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 11:06:52,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:55,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:58,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:01,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:06,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:09,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:11,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:12,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:07:12,228 INFO L93 Difference]: Finished difference Result 37908 states and 52862 transitions. [2021-12-18 11:07:12,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:07:12,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 253 [2021-12-18 11:07:12,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:07:12,374 INFO L225 Difference]: With dead ends: 37908 [2021-12-18 11:07:12,374 INFO L226 Difference]: Without dead ends: 25549 [2021-12-18 11:07:12,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:07:12,441 INFO L933 BasicCegarLoop]: 4985 mSDtfsCounter, 5678 mSDsluCounter, 5415 mSDsCounter, 0 mSdLazyCounter, 2690 mSolverCounterSat, 2236 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6332 SdHoareTripleChecker+Valid, 10400 SdHoareTripleChecker+Invalid, 4932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2236 IncrementalHoareTripleChecker+Valid, 2690 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2021-12-18 11:07:12,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6332 Valid, 10400 Invalid, 4932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2236 Valid, 2690 Invalid, 6 Unknown, 0 Unchecked, 21.1s Time] [2021-12-18 11:07:12,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25549 states. [2021-12-18 11:07:13,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25549 to 24492. [2021-12-18 11:07:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24492 states, 17444 states have (on average 1.287835358862646) internal successors, (22465), 17968 states have internal predecessors, (22465), 5678 states have call successors, (5678), 1334 states have call predecessors, (5678), 1367 states have return successors, (5892), 5561 states have call predecessors, (5892), 5674 states have call successors, (5892) [2021-12-18 11:07:13,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24492 states to 24492 states and 34035 transitions. [2021-12-18 11:07:13,433 INFO L78 Accepts]: Start accepts. Automaton has 24492 states and 34035 transitions. Word has length 253 [2021-12-18 11:07:13,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:07:13,433 INFO L470 AbstractCegarLoop]: Abstraction has 24492 states and 34035 transitions. [2021-12-18 11:07:13,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 11:07:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 24492 states and 34035 transitions. [2021-12-18 11:07:13,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-18 11:07:13,442 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:07:13,442 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2021-12-18 11:07:13,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 11:07:13,443 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:07:13,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:07:13,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1744232712, now seen corresponding path program 1 times [2021-12-18 11:07:13,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:07:13,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809192013] [2021-12-18 11:07:13,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:07:13,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:07:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:07:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:07:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:07:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:07:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:07:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:07:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:07:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:07:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:07:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:07:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:07:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:07:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:07:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:07:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:07:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:07:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:07:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:07:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:07:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:07:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 11:07:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 11:07:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:07:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:07:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:14,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2021-12-18 11:07:14,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:07:14,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809192013] [2021-12-18 11:07:14,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809192013] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:07:14,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:07:14,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 11:07:14,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919309954] [2021-12-18 11:07:14,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:07:14,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 11:07:14,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:07:14,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 11:07:14,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:07:14,029 INFO L87 Difference]: Start difference. First operand 24492 states and 34035 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 11:07:16,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:17,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:20,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:22,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:24,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:27,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:29,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:41,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:43,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:44,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:07:44,268 INFO L93 Difference]: Finished difference Result 57956 states and 81242 transitions. [2021-12-18 11:07:44,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 11:07:44,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 268 [2021-12-18 11:07:44,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:07:44,460 INFO L225 Difference]: With dead ends: 57956 [2021-12-18 11:07:44,461 INFO L226 Difference]: Without dead ends: 33507 [2021-12-18 11:07:44,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 11:07:44,566 INFO L933 BasicCegarLoop]: 4392 mSDtfsCounter, 6845 mSDsluCounter, 6604 mSDsCounter, 0 mSdLazyCounter, 5070 mSolverCounterSat, 4463 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7333 SdHoareTripleChecker+Valid, 10996 SdHoareTripleChecker+Invalid, 9539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4463 IncrementalHoareTripleChecker+Valid, 5070 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2021-12-18 11:07:44,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7333 Valid, 10996 Invalid, 9539 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4463 Valid, 5070 Invalid, 6 Unknown, 0 Unchecked, 29.1s Time] [2021-12-18 11:07:44,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33507 states. [2021-12-18 11:07:45,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33507 to 29691. [2021-12-18 11:07:45,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29691 states, 21047 states have (on average 1.2823205207392978) internal successors, (26989), 21698 states have internal predecessors, (26989), 6812 states have call successors, (6812), 1770 states have call predecessors, (6812), 1829 states have return successors, (7015), 6698 states have call predecessors, (7015), 6808 states have call successors, (7015) [2021-12-18 11:07:45,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29691 states to 29691 states and 40816 transitions. [2021-12-18 11:07:45,861 INFO L78 Accepts]: Start accepts. Automaton has 29691 states and 40816 transitions. Word has length 268 [2021-12-18 11:07:45,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:07:45,862 INFO L470 AbstractCegarLoop]: Abstraction has 29691 states and 40816 transitions. [2021-12-18 11:07:45,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 11:07:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 29691 states and 40816 transitions. [2021-12-18 11:07:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-12-18 11:07:45,868 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:07:45,868 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:07:45,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 11:07:45,869 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:07:45,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:07:45,869 INFO L85 PathProgramCache]: Analyzing trace with hash 254186282, now seen corresponding path program 1 times [2021-12-18 11:07:45,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:07:45,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62069061] [2021-12-18 11:07:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:07:45,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:07:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:07:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:07:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:07:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:07:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:07:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:07:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:07:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:07:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:07:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:07:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:07:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:07:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:07:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:07:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:07:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:07:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:07:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:07:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:07:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:07:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 11:07:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:46,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-18 11:07:46,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:07:46,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62069061] [2021-12-18 11:07:46,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62069061] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:07:46,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:07:46,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:07:46,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843539479] [2021-12-18 11:07:46,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:07:46,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:07:46,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:07:46,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:07:46,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:07:46,511 INFO L87 Difference]: Start difference. First operand 29691 states and 40816 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 11:07:48,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:49,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:51,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:53,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:57,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:02,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:08:02,373 INFO L93 Difference]: Finished difference Result 70499 states and 96701 transitions. [2021-12-18 11:08:02,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:08:02,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 264 [2021-12-18 11:08:02,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:08:02,576 INFO L225 Difference]: With dead ends: 70499 [2021-12-18 11:08:02,577 INFO L226 Difference]: Without dead ends: 40851 [2021-12-18 11:08:02,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:08:02,670 INFO L933 BasicCegarLoop]: 4505 mSDtfsCounter, 4886 mSDsluCounter, 5121 mSDsCounter, 0 mSdLazyCounter, 2646 mSolverCounterSat, 2158 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5418 SdHoareTripleChecker+Valid, 9626 SdHoareTripleChecker+Invalid, 4807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2158 IncrementalHoareTripleChecker+Valid, 2646 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:08:02,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5418 Valid, 9626 Invalid, 4807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2158 Valid, 2646 Invalid, 3 Unknown, 0 Unchecked, 14.8s Time] [2021-12-18 11:08:02,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40851 states. [2021-12-18 11:08:03,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40851 to 38774. [2021-12-18 11:08:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38774 states, 27467 states have (on average 1.2731641606291186) internal successors, (34970), 28337 states have internal predecessors, (34970), 8662 states have call successors, (8662), 2548 states have call predecessors, (8662), 2642 states have return successors, (9035), 8481 states have call predecessors, (9035), 8658 states have call successors, (9035) [2021-12-18 11:08:04,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38774 states to 38774 states and 52667 transitions. [2021-12-18 11:08:04,160 INFO L78 Accepts]: Start accepts. Automaton has 38774 states and 52667 transitions. Word has length 264 [2021-12-18 11:08:04,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:08:04,162 INFO L470 AbstractCegarLoop]: Abstraction has 38774 states and 52667 transitions. [2021-12-18 11:08:04,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 11:08:04,163 INFO L276 IsEmpty]: Start isEmpty. Operand 38774 states and 52667 transitions. [2021-12-18 11:08:04,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-12-18 11:08:04,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:08:04,167 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 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] [2021-12-18 11:08:04,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 11:08:04,168 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:08:04,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:08:04,168 INFO L85 PathProgramCache]: Analyzing trace with hash -775965721, now seen corresponding path program 1 times [2021-12-18 11:08:04,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:08:04,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187115150] [2021-12-18 11:08:04,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:08:04,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:08:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:08:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:08:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:08:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:08:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:08:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:08:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:08:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:08:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:08:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:08:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:08:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:08:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:08:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:08:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:08:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:08:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:08:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:08:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:08:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:08:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 11:08:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 11:08:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 11:08:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-18 11:08:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2021-12-18 11:08:04,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:08:04,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187115150] [2021-12-18 11:08:04,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187115150] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:08:04,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:08:04,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:08:04,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709307] [2021-12-18 11:08:04,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:08:04,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:08:04,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:08:04,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:08:04,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:08:04,639 INFO L87 Difference]: Start difference. First operand 38774 states and 52667 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 11:08:06,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:09,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:13,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:15,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:21,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:24,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:08:24,042 INFO L93 Difference]: Finished difference Result 112122 states and 153533 transitions. [2021-12-18 11:08:24,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:08:24,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2021-12-18 11:08:24,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:08:24,563 INFO L225 Difference]: With dead ends: 112122 [2021-12-18 11:08:24,564 INFO L226 Difference]: Without dead ends: 73391 [2021-12-18 11:08:24,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:08:24,684 INFO L933 BasicCegarLoop]: 4990 mSDtfsCounter, 5747 mSDsluCounter, 5421 mSDsCounter, 0 mSdLazyCounter, 2709 mSolverCounterSat, 2266 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6423 SdHoareTripleChecker+Valid, 10411 SdHoareTripleChecker+Invalid, 4978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2266 IncrementalHoareTripleChecker+Valid, 2709 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2021-12-18 11:08:24,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6423 Valid, 10411 Invalid, 4978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2266 Valid, 2709 Invalid, 3 Unknown, 0 Unchecked, 17.6s Time] [2021-12-18 11:08:24,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73391 states. [2021-12-18 11:08:26,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73391 to 69758. [2021-12-18 11:08:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69758 states, 49369 states have (on average 1.2757195811136544) internal successors, (62981), 50979 states have internal predecessors, (62981), 15781 states have call successors, (15781), 4448 states have call predecessors, (15781), 4605 states have return successors, (16465), 15400 states have call predecessors, (16465), 15777 states have call successors, (16465) [2021-12-18 11:08:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69758 states to 69758 states and 95227 transitions. [2021-12-18 11:08:27,656 INFO L78 Accepts]: Start accepts. Automaton has 69758 states and 95227 transitions. Word has length 276 [2021-12-18 11:08:27,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:08:27,657 INFO L470 AbstractCegarLoop]: Abstraction has 69758 states and 95227 transitions. [2021-12-18 11:08:27,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 11:08:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 69758 states and 95227 transitions. [2021-12-18 11:08:27,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-18 11:08:27,662 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:08:27,663 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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] [2021-12-18 11:08:27,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 11:08:27,663 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:08:27,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:08:27,663 INFO L85 PathProgramCache]: Analyzing trace with hash -129880763, now seen corresponding path program 1 times [2021-12-18 11:08:27,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:08:27,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646909984] [2021-12-18 11:08:27,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:08:27,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:08:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:27,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:08:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:08:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:08:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:08:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:08:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:08:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:08:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:08:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:08:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:08:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:08:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:08:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:08:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:08:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:08:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:08:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:08:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:08:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:08:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:08:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 11:08:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 11:08:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 11:08:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 11:08:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 11:08:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 11:08:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 11:08:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:28,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2021-12-18 11:08:28,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:08:28,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646909984] [2021-12-18 11:08:28,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646909984] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:08:28,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:08:28,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:08:28,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967691406] [2021-12-18 11:08:28,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:08:28,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:08:28,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:08:28,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:08:28,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:08:28,387 INFO L87 Difference]: Start difference. First operand 69758 states and 95227 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 11:08:33,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:36,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:40,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:44,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:46,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:50,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:08:50,149 INFO L93 Difference]: Finished difference Result 214367 states and 294089 transitions. [2021-12-18 11:08:50,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:08:50,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 293 [2021-12-18 11:08:50,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:08:50,883 INFO L225 Difference]: With dead ends: 214367 [2021-12-18 11:08:50,883 INFO L226 Difference]: Without dead ends: 144708 [2021-12-18 11:08:51,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:08:51,195 INFO L933 BasicCegarLoop]: 6790 mSDtfsCounter, 5349 mSDsluCounter, 6523 mSDsCounter, 0 mSdLazyCounter, 2743 mSolverCounterSat, 1824 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6012 SdHoareTripleChecker+Valid, 13313 SdHoareTripleChecker+Invalid, 4571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1824 IncrementalHoareTripleChecker+Valid, 2743 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2021-12-18 11:08:51,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6012 Valid, 13313 Invalid, 4571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1824 Valid, 2743 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2021-12-18 11:08:51,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144708 states. [2021-12-18 11:08:55,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144708 to 137552. [2021-12-18 11:08:55,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137552 states, 97501 states have (on average 1.27587409359904) internal successors, (124399), 100575 states have internal predecessors, (124399), 30951 states have call successors, (30951), 8766 states have call predecessors, (30951), 9097 states have return successors, (32323), 30350 states have call predecessors, (32323), 30947 states have call successors, (32323) [2021-12-18 11:08:56,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137552 states to 137552 states and 187673 transitions. [2021-12-18 11:08:56,321 INFO L78 Accepts]: Start accepts. Automaton has 137552 states and 187673 transitions. Word has length 293 [2021-12-18 11:08:56,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:08:56,322 INFO L470 AbstractCegarLoop]: Abstraction has 137552 states and 187673 transitions. [2021-12-18 11:08:56,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 11:08:56,323 INFO L276 IsEmpty]: Start isEmpty. Operand 137552 states and 187673 transitions. [2021-12-18 11:08:56,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-18 11:08:56,327 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:08:56,327 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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] [2021-12-18 11:08:56,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 11:08:56,328 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:08:56,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:08:56,328 INFO L85 PathProgramCache]: Analyzing trace with hash 10667847, now seen corresponding path program 1 times [2021-12-18 11:08:56,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:08:56,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004352917] [2021-12-18 11:08:56,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:08:56,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:08:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:08:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:08:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:08:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:08:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:08:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:08:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:08:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:08:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:08:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:08:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:08:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:08:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:08:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:08:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:08:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:08:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:08:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:08:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:08:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:08:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 11:08:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 11:08:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 11:08:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 11:08:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:08:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 11:08:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 11:08:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 11:08:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:08:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1819 trivial. 0 not checked. [2021-12-18 11:08:57,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:08:57,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004352917] [2021-12-18 11:08:57,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004352917] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:08:57,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:08:57,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:08:57,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471482650] [2021-12-18 11:08:57,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:08:57,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:08:57,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:08:57,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:08:57,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:08:57,255 INFO L87 Difference]: Start difference. First operand 137552 states and 187673 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 11:09:00,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:01,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:04,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:07,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:12,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:15,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:09:15,511 INFO L93 Difference]: Finished difference Result 144710 states and 198829 transitions. [2021-12-18 11:09:15,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:09:15,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 293 [2021-12-18 11:09:15,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:09:16,148 INFO L225 Difference]: With dead ends: 144710 [2021-12-18 11:09:16,148 INFO L226 Difference]: Without dead ends: 144708 [2021-12-18 11:09:16,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:09:16,227 INFO L933 BasicCegarLoop]: 4131 mSDtfsCounter, 4726 mSDsluCounter, 8473 mSDsCounter, 0 mSdLazyCounter, 3102 mSolverCounterSat, 1549 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5161 SdHoareTripleChecker+Valid, 12604 SdHoareTripleChecker+Invalid, 4653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1549 IncrementalHoareTripleChecker+Valid, 3102 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-12-18 11:09:16,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5161 Valid, 12604 Invalid, 4653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1549 Valid, 3102 Invalid, 2 Unknown, 0 Unchecked, 15.5s Time] [2021-12-18 11:09:16,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144708 states. [2021-12-18 11:09:20,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144708 to 137556. [2021-12-18 11:09:20,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137556 states, 97504 states have (on average 1.27586560551362) internal successors, (124402), 100578 states have internal predecessors, (124402), 30951 states have call successors, (30951), 8767 states have call predecessors, (30951), 9098 states have return successors, (32323), 30350 states have call predecessors, (32323), 30947 states have call successors, (32323) [2021-12-18 11:09:21,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137556 states to 137556 states and 187676 transitions. [2021-12-18 11:09:21,282 INFO L78 Accepts]: Start accepts. Automaton has 137556 states and 187676 transitions. Word has length 293 [2021-12-18 11:09:21,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:09:21,282 INFO L470 AbstractCegarLoop]: Abstraction has 137556 states and 187676 transitions. [2021-12-18 11:09:21,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 11:09:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 137556 states and 187676 transitions. [2021-12-18 11:09:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-18 11:09:21,285 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:09:21,286 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:09:21,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 11:09:21,286 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:09:21,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:09:21,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1656708072, now seen corresponding path program 1 times [2021-12-18 11:09:21,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:09:21,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042084092] [2021-12-18 11:09:21,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:09:21,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:09:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:09:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:09:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:09:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:09:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:09:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:09:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:09:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:09:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:09:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:09:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:09:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:09:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:09:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:09:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:09:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:09:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:09:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:09:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:09:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:09:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 11:09:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 11:09:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 11:09:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 11:09:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:22,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:22,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 11:09:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:22,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 11:09:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:22,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 11:09:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:22,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:09:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:22,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1819 trivial. 0 not checked. [2021-12-18 11:09:22,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:09:22,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042084092] [2021-12-18 11:09:22,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042084092] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:09:22,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:09:22,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:09:22,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041328072] [2021-12-18 11:09:22,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:09:22,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:09:22,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:09:22,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:09:22,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:09:22,058 INFO L87 Difference]: Start difference. First operand 137556 states and 187676 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 11:09:23,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:25,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:26,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:28,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:32,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:37,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:40,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:09:40,618 INFO L93 Difference]: Finished difference Result 144714 states and 198832 transitions. [2021-12-18 11:09:40,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:09:40,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 298 [2021-12-18 11:09:40,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:09:41,225 INFO L225 Difference]: With dead ends: 144714 [2021-12-18 11:09:41,225 INFO L226 Difference]: Without dead ends: 144712 [2021-12-18 11:09:41,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:09:41,292 INFO L933 BasicCegarLoop]: 4136 mSDtfsCounter, 4716 mSDsluCounter, 8476 mSDsCounter, 0 mSdLazyCounter, 3101 mSolverCounterSat, 1546 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5152 SdHoareTripleChecker+Valid, 12612 SdHoareTripleChecker+Invalid, 4650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1546 IncrementalHoareTripleChecker+Valid, 3101 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-12-18 11:09:41,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5152 Valid, 12612 Invalid, 4650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1546 Valid, 3101 Invalid, 3 Unknown, 0 Unchecked, 15.2s Time] [2021-12-18 11:09:41,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144712 states. [2021-12-18 11:09:45,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144712 to 137560. [2021-12-18 11:09:45,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137560 states, 97507 states have (on average 1.275857117950506) internal successors, (124405), 100581 states have internal predecessors, (124405), 30951 states have call successors, (30951), 8768 states have call predecessors, (30951), 9099 states have return successors, (32323), 30350 states have call predecessors, (32323), 30947 states have call successors, (32323) [2021-12-18 11:09:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137560 states to 137560 states and 187679 transitions. [2021-12-18 11:09:46,069 INFO L78 Accepts]: Start accepts. Automaton has 137560 states and 187679 transitions. Word has length 298 [2021-12-18 11:09:46,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:09:46,070 INFO L470 AbstractCegarLoop]: Abstraction has 137560 states and 187679 transitions. [2021-12-18 11:09:46,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 11:09:46,071 INFO L276 IsEmpty]: Start isEmpty. Operand 137560 states and 187679 transitions. [2021-12-18 11:09:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-12-18 11:09:46,074 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:09:46,074 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:09:46,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 11:09:46,075 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:09:46,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:09:46,075 INFO L85 PathProgramCache]: Analyzing trace with hash 699283879, now seen corresponding path program 1 times [2021-12-18 11:09:46,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:09:46,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971444975] [2021-12-18 11:09:46,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:09:46,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:09:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:09:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:09:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:09:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:09:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:09:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:09:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:09:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:09:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:09:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:09:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:09:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:09:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:09:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:09:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:09:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:09:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:09:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:46,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:09:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:09:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:09:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 11:09:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 11:09:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 11:09:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 11:09:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 11:09:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 11:09:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 11:09:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:09:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-18 11:09:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1827 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1823 trivial. 0 not checked. [2021-12-18 11:09:47,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:09:47,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971444975] [2021-12-18 11:09:47,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971444975] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:09:47,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:09:47,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:09:47,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502490576] [2021-12-18 11:09:47,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:09:47,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:09:47,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:09:47,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:09:47,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:09:47,140 INFO L87 Difference]: Start difference. First operand 137560 states and 187679 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 11:09:53,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:56,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:02,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:05,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:10:05,132 INFO L93 Difference]: Finished difference Result 144718 states and 198835 transitions. [2021-12-18 11:10:05,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:10:05,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 303 [2021-12-18 11:10:05,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:10:05,990 INFO L225 Difference]: With dead ends: 144718 [2021-12-18 11:10:05,990 INFO L226 Difference]: Without dead ends: 144716 [2021-12-18 11:10:06,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:10:06,054 INFO L933 BasicCegarLoop]: 4138 mSDtfsCounter, 4716 mSDsluCounter, 8482 mSDsCounter, 0 mSdLazyCounter, 3101 mSolverCounterSat, 1545 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5150 SdHoareTripleChecker+Valid, 12620 SdHoareTripleChecker+Invalid, 4649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1545 IncrementalHoareTripleChecker+Valid, 3101 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-12-18 11:10:06,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5150 Valid, 12620 Invalid, 4649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1545 Valid, 3101 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time] [2021-12-18 11:10:06,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144716 states. [2021-12-18 11:10:10,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144716 to 137564. [2021-12-18 11:10:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137564 states, 97510 states have (on average 1.2758486309096504) internal successors, (124408), 100584 states have internal predecessors, (124408), 30951 states have call successors, (30951), 8769 states have call predecessors, (30951), 9100 states have return successors, (32323), 30350 states have call predecessors, (32323), 30947 states have call successors, (32323) [2021-12-18 11:10:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137564 states to 137564 states and 187682 transitions. [2021-12-18 11:10:10,892 INFO L78 Accepts]: Start accepts. Automaton has 137564 states and 187682 transitions. Word has length 303 [2021-12-18 11:10:10,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:10:10,892 INFO L470 AbstractCegarLoop]: Abstraction has 137564 states and 187682 transitions. [2021-12-18 11:10:10,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 11:10:10,893 INFO L276 IsEmpty]: Start isEmpty. Operand 137564 states and 187682 transitions. [2021-12-18 11:10:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-12-18 11:10:10,896 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:10:10,897 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 3, 3, 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] [2021-12-18 11:10:10,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 11:10:10,897 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:10:10,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:10:10,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1885872840, now seen corresponding path program 1 times [2021-12-18 11:10:10,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:10:10,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852315323] [2021-12-18 11:10:10,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:10:10,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:10:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:10:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:10:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:10:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:10:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:10:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:10:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:10:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:10:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:10:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:10:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:10:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:10:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:10:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:10:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:10:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:10:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:10:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:10:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:10:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:10:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 11:10:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 11:10:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 11:10:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 11:10:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 11:10:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 11:10:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 11:10:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:10:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-18 11:10:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-18 11:10:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1837 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1831 trivial. 0 not checked. [2021-12-18 11:10:11,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:10:11,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852315323] [2021-12-18 11:10:11,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852315323] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:10:11,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:10:11,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:10:11,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607391841] [2021-12-18 11:10:11,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:10:11,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:10:11,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:10:11,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:10:11,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:10:11,849 INFO L87 Difference]: Start difference. First operand 137564 states and 187682 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 11:10:13,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:14,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:18,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:21,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:27,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:31,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:10:31,033 INFO L93 Difference]: Finished difference Result 158526 states and 214950 transitions. [2021-12-18 11:10:31,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 11:10:31,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 308 [2021-12-18 11:10:31,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:10:31,646 INFO L225 Difference]: With dead ends: 158526 [2021-12-18 11:10:31,646 INFO L226 Difference]: Without dead ends: 158524 [2021-12-18 11:10:31,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:10:31,725 INFO L933 BasicCegarLoop]: 4165 mSDtfsCounter, 4691 mSDsluCounter, 8878 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 1591 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5109 SdHoareTripleChecker+Valid, 13043 SdHoareTripleChecker+Invalid, 5057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1591 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-12-18 11:10:31,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5109 Valid, 13043 Invalid, 5057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1591 Valid, 3464 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2021-12-18 11:10:31,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158524 states.