./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.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 eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:43:16,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:43:16,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:43:16,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:43:16,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:43:16,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:43:16,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:43:16,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:43:16,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:43:16,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:43:16,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:43:16,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:43:16,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:43:16,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:43:16,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:43:16,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:43:16,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:43:16,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:43:16,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:43:16,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:43:16,288 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:43:16,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:43:16,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:43:16,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:43:16,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:43:16,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:43:16,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:43:16,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:43:16,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:43:16,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:43:16,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:43:16,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:43:16,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:43:16,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:43:16,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:43:16,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:43:16,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:43:16,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:43:16,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:43:16,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:43:16,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:43:16,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:43:16,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:43:16,340 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:43:16,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:43:16,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:43:16,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:43:16,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:43:16,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:43:16,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:43:16,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:43:16,343 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:43:16,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:43:16,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:43:16,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:43:16,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:43:16,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:43:16,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:43:16,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:43:16,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:43:16,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:43:16,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:43:16,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:43:16,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:43:16,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:43:16,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:43:16,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:43:16,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:43:16,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:43:16,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:43:16,348 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:43:16,348 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:43:16,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:43:16,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2022-07-23 03:43:16,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:43:16,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:43:16,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:43:16,628 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:43:16,628 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:43:16,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-23 03:43:16,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59c74c3e/a54faa425a6245f5a26ff559f4642df5/FLAGf57004f34 [2022-07-23 03:43:17,344 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:43:17,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-23 03:43:17,399 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59c74c3e/a54faa425a6245f5a26ff559f4642df5/FLAGf57004f34 [2022-07-23 03:43:17,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59c74c3e/a54faa425a6245f5a26ff559f4642df5 [2022-07-23 03:43:17,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:43:17,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:43:17,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:43:17,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:43:17,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:43:17,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:43:17" (1/1) ... [2022-07-23 03:43:17,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34532fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:17, skipping insertion in model container [2022-07-23 03:43:17,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:43:17" (1/1) ... [2022-07-23 03:43:17,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:43:17,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:43:20,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2022-07-23 03:43:20,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2022-07-23 03:43:20,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2022-07-23 03:43:20,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2022-07-23 03:43:20,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:43:20,259 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:43:20,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2022-07-23 03:43:20,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2022-07-23 03:43:20,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2022-07-23 03:43:20,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2022-07-23 03:43:20,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:43:20,698 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:43:20,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:20 WrapperNode [2022-07-23 03:43:20,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:43:20,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:43:20,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:43:20,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:43:20,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:20" (1/1) ... [2022-07-23 03:43:20,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:20" (1/1) ... [2022-07-23 03:43:21,027 INFO L137 Inliner]: procedures = 566, calls = 4377, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 9244 [2022-07-23 03:43:21,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:43:21,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:43:21,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:43:21,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:43:21,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:20" (1/1) ... [2022-07-23 03:43:21,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:20" (1/1) ... [2022-07-23 03:43:21,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:20" (1/1) ... [2022-07-23 03:43:21,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:20" (1/1) ... [2022-07-23 03:43:21,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:20" (1/1) ... [2022-07-23 03:43:21,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:20" (1/1) ... [2022-07-23 03:43:21,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:20" (1/1) ... [2022-07-23 03:43:21,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:43:21,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:43:21,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:43:21,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:43:21,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:20" (1/1) ... [2022-07-23 03:43:21,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:43:21,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:43:21,346 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) [2022-07-23 03:43:21,351 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 [2022-07-23 03:43:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 03:43:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 03:43:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:43:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:43:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 03:43:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 03:43:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-23 03:43:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-23 03:43:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-07-23 03:43:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-07-23 03:43:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:43:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:43:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-07-23 03:43:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-07-23 03:43:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:43:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:43:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 03:43:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 03:43:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-07-23 03:43:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-07-23 03:43:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2022-07-23 03:43:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2022-07-23 03:43:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-07-23 03:43:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-07-23 03:43:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:43:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:43:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-23 03:43:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-23 03:43:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-07-23 03:43:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-07-23 03:43:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:43:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:43:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-23 03:43:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-23 03:43:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-23 03:43:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-23 03:43:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-07-23 03:43:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-07-23 03:43:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 03:43:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 03:43:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-07-23 03:43:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-07-23 03:43:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 03:43:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 03:43:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:43:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:43:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-23 03:43:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-23 03:43:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-23 03:43:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-23 03:43:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-07-23 03:43:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-07-23 03:43:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 03:43:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 03:43:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:43:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:43:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 03:43:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 03:43:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 03:43:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 03:43:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 03:43:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 03:43:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-23 03:43:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-23 03:43:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:43:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:43:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:43:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:43:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-23 03:43:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-23 03:43:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 03:43:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 03:43:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 03:43:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 03:43:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:43:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-07-23 03:43:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-07-23 03:43:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-23 03:43:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-23 03:43:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:43:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:43:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 03:43:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 03:43:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:43:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-07-23 03:43:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-07-23 03:43:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-23 03:43:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-23 03:43:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-07-23 03:43:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-07-23 03:43:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:43:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:43:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 03:43:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 03:43:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 03:43:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 03:43:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:43:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:43:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:43:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:43:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-07-23 03:43:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-07-23 03:43:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-23 03:43:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-23 03:43:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:43:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:43:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:43:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:43:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:43:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:43:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:43:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:43:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:43:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:43:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-07-23 03:43:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-07-23 03:43:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-23 03:43:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-23 03:43:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-23 03:43:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-23 03:43:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 03:43:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 03:43:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-07-23 03:43:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-07-23 03:43:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:43:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:43:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-07-23 03:43:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-07-23 03:43:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:43:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:43:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:43:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 03:43:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 03:43:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-07-23 03:43:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-07-23 03:43:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:43:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:43:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 03:43:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 03:43:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-23 03:43:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-23 03:43:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 03:43:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 03:43:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:43:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:43:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:43:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:43:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:43:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:43:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-23 03:43:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-23 03:43:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:43:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:43:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-23 03:43:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-23 03:43:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:43:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:43:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-07-23 03:43:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-07-23 03:43:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 03:43:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 03:43:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-07-23 03:43:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-07-23 03:43:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-23 03:43:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-23 03:43:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 03:43:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 03:43:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-07-23 03:43:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-07-23 03:43:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-23 03:43:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-23 03:43:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 03:43:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 03:43:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-07-23 03:43:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-07-23 03:43:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:43:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:43:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 03:43:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 03:43:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-07-23 03:43:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-07-23 03:43:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:43:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:43:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-23 03:43:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-23 03:43:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-07-23 03:43:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-07-23 03:43:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-23 03:43:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-23 03:43:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-07-23 03:43:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-07-23 03:43:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-23 03:43:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-23 03:43:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-07-23 03:43:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-07-23 03:43:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-07-23 03:43:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-07-23 03:43:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-23 03:43:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-23 03:43:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:43:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:43:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-07-23 03:43:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-07-23 03:43:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:43:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:43:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:43:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:43:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:43:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:43:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:43:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:43:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-23 03:43:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-23 03:43:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 03:43:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 03:43:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:43:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:43:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-23 03:43:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-23 03:43:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:43:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:43:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-23 03:43:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-23 03:43:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:43:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 03:43:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 03:43:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:43:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:43:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:43:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-07-23 03:43:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-07-23 03:43:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-07-23 03:43:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-07-23 03:43:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2022-07-23 03:43:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2022-07-23 03:43:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:43:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 03:43:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 03:43:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-23 03:43:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-23 03:43:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:43:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:43:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:43:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:43:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 03:43:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 03:43:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2022-07-23 03:43:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2022-07-23 03:43:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-23 03:43:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-23 03:43:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-23 03:43:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-23 03:43:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2022-07-23 03:43:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2022-07-23 03:43:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-07-23 03:43:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-07-23 03:43:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-07-23 03:43:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-07-23 03:43:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-23 03:43:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-23 03:43:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 03:43:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 03:43:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-07-23 03:43:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-07-23 03:43:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:43:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:43:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:43:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:43:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 03:43:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 03:43:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:43:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:43:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-07-23 03:43:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-07-23 03:43:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:43:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-07-23 03:43:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-07-23 03:43:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-23 03:43:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-23 03:43:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-23 03:43:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-23 03:43:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:43:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:43:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-07-23 03:43:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-07-23 03:43:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-07-23 03:43:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-07-23 03:43:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-23 03:43:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-23 03:43:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2022-07-23 03:43:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2022-07-23 03:43:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2022-07-23 03:43:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2022-07-23 03:43:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-07-23 03:43:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-07-23 03:43:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2022-07-23 03:43:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2022-07-23 03:43:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 03:43:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 03:43:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-07-23 03:43:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-07-23 03:43:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-07-23 03:43:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-07-23 03:43:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:43:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:43:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-23 03:43:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-23 03:43:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 03:43:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 03:43:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 03:43:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 03:43:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-23 03:43:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-23 03:43:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 03:43:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 03:43:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:43:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:43:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:43:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 03:43:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 03:43:22,265 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:43:22,267 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:43:23,107 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:43:27,200 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:43:27,301 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:43:27,328 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:43:27,329 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 03:43:27,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:43:27 BoogieIcfgContainer [2022-07-23 03:43:27,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:43:27,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:43:27,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:43:27,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:43:27,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:43:17" (1/3) ... [2022-07-23 03:43:27,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3357cf62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:43:27, skipping insertion in model container [2022-07-23 03:43:27,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:20" (2/3) ... [2022-07-23 03:43:27,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3357cf62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:43:27, skipping insertion in model container [2022-07-23 03:43:27,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:43:27" (3/3) ... [2022-07-23 03:43:27,341 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-23 03:43:27,351 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:43:27,351 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 03:43:27,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:43:27,435 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@d6b28b3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@530262bf [2022-07-23 03:43:27,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 03:43:27,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 3234 states, 2279 states have (on average 1.372093023255814) internal successors, (3127), 2350 states have internal predecessors, (3127), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) [2022-07-23 03:43:27,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-23 03:43:27,469 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:43:27,470 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:43:27,471 INFO L420 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)] === [2022-07-23 03:43:27,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:43:27,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1855056052, now seen corresponding path program 1 times [2022-07-23 03:43:27,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:43:27,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260436976] [2022-07-23 03:43:27,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:43:27,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:43:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:43:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:43:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:43:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:43:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:43:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:43:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:43:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:43:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:43:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:43:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:43:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:43:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:43:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:43:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:43:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:43:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:43:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:43:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-23 03:43:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:28,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-23 03:43:28,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:43:28,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260436976] [2022-07-23 03:43:28,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260436976] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:43:28,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:43:28,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:43:28,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212502861] [2022-07-23 03:43:28,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:43:28,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:43:28,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:43:28,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:43:28,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:43:28,612 INFO L87 Difference]: Start difference. First operand has 3234 states, 2279 states have (on average 1.372093023255814) internal successors, (3127), 2350 states have internal predecessors, (3127), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 03:43:33,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:43:33,760 INFO L93 Difference]: Finished difference Result 9552 states and 14492 transitions. [2022-07-23 03:43:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:43:33,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 215 [2022-07-23 03:43:33,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:43:33,812 INFO L225 Difference]: With dead ends: 9552 [2022-07-23 03:43:33,812 INFO L226 Difference]: Without dead ends: 6344 [2022-07-23 03:43:33,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:43:33,836 INFO L413 NwaCegarLoop]: 4942 mSDtfsCounter, 5214 mSDsluCounter, 5202 mSDsCounter, 0 mSdLazyCounter, 3224 mSolverCounterSat, 2189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5919 SdHoareTripleChecker+Valid, 10144 SdHoareTripleChecker+Invalid, 5413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2189 IncrementalHoareTripleChecker+Valid, 3224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:43:33,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5919 Valid, 10144 Invalid, 5413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2189 Valid, 3224 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-23 03:43:33,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6344 states. [2022-07-23 03:43:34,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6344 to 6281. [2022-07-23 03:43:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6281 states, 4455 states have (on average 1.342087542087542) internal successors, (5979), 4596 states have internal predecessors, (5979), 1525 states have call successors, (1525), 299 states have call predecessors, (1525), 298 states have return successors, (1521), 1491 states have call predecessors, (1521), 1521 states have call successors, (1521) [2022-07-23 03:43:34,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6281 states to 6281 states and 9025 transitions. [2022-07-23 03:43:34,131 INFO L78 Accepts]: Start accepts. Automaton has 6281 states and 9025 transitions. Word has length 215 [2022-07-23 03:43:34,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:43:34,134 INFO L495 AbstractCegarLoop]: Abstraction has 6281 states and 9025 transitions. [2022-07-23 03:43:34,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 03:43:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 6281 states and 9025 transitions. [2022-07-23 03:43:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-23 03:43:34,143 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:43:34,143 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:43:34,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:43:34,144 INFO L420 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)] === [2022-07-23 03:43:34,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:43:34,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1497569863, now seen corresponding path program 1 times [2022-07-23 03:43:34,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:43:34,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69523293] [2022-07-23 03:43:34,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:43:34,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:43:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:43:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:43:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:43:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:43:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:43:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:43:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:43:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:43:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:43:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:43:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:43:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:43:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:43:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:43:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:43:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:43:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:43:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:43:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 03:43:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:43:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-23 03:43:34,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:43:34,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69523293] [2022-07-23 03:43:34,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69523293] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:43:34,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:43:34,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:43:34,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155348337] [2022-07-23 03:43:34,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:43:34,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:43:34,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:43:34,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:43:34,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:43:34,652 INFO L87 Difference]: Start difference. First operand 6281 states and 9025 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-23 03:43:39,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:43:39,560 INFO L93 Difference]: Finished difference Result 18543 states and 26868 transitions. [2022-07-23 03:43:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:43:39,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 224 [2022-07-23 03:43:39,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:43:39,640 INFO L225 Difference]: With dead ends: 18543 [2022-07-23 03:43:39,640 INFO L226 Difference]: Without dead ends: 12301 [2022-07-23 03:43:39,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:43:39,679 INFO L413 NwaCegarLoop]: 4978 mSDtfsCounter, 5107 mSDsluCounter, 5272 mSDsCounter, 0 mSdLazyCounter, 3139 mSolverCounterSat, 2260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5751 SdHoareTripleChecker+Valid, 10250 SdHoareTripleChecker+Invalid, 5399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2260 IncrementalHoareTripleChecker+Valid, 3139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:43:39,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5751 Valid, 10250 Invalid, 5399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2260 Valid, 3139 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-23 03:43:39,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12301 states. [2022-07-23 03:43:40,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12301 to 12164. [2022-07-23 03:43:40,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12164 states, 8649 states have (on average 1.3400393109029947) internal successors, (11590), 8920 states have internal predecessors, (11590), 2920 states have call successors, (2920), 592 states have call predecessors, (2920), 592 states have return successors, (3039), 2845 states have call predecessors, (3039), 2916 states have call successors, (3039) [2022-07-23 03:43:40,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12164 states to 12164 states and 17549 transitions. [2022-07-23 03:43:40,245 INFO L78 Accepts]: Start accepts. Automaton has 12164 states and 17549 transitions. Word has length 224 [2022-07-23 03:43:40,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:43:40,247 INFO L495 AbstractCegarLoop]: Abstraction has 12164 states and 17549 transitions. [2022-07-23 03:43:40,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-23 03:43:40,248 INFO L276 IsEmpty]: Start isEmpty. Operand 12164 states and 17549 transitions. [2022-07-23 03:43:40,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-23 03:43:40,252 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:43:40,253 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:43:40,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:43:40,253 INFO L420 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)] === [2022-07-23 03:43:40,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:43:40,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1622315303, now seen corresponding path program 1 times [2022-07-23 03:43:40,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:43:40,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564372307] [2022-07-23 03:43:40,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:43:40,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:43:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:43:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:43:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:43:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:43:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:43:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:43:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:43:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:43:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:43:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:43:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:43:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:43:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:43:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:43:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:43:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:43:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:43:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:43:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 03:43:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 03:43:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 03:43:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-23 03:43:40,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:43:40,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564372307] [2022-07-23 03:43:40,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564372307] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:43:40,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:43:40,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:43:40,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930187830] [2022-07-23 03:43:40,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:43:40,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:43:40,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:43:40,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:43:40,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:43:40,697 INFO L87 Difference]: Start difference. First operand 12164 states and 17549 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 03:43:45,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:43:45,646 INFO L93 Difference]: Finished difference Result 31609 states and 45624 transitions. [2022-07-23 03:43:45,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:43:45,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 236 [2022-07-23 03:43:45,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:43:45,752 INFO L225 Difference]: With dead ends: 31609 [2022-07-23 03:43:45,752 INFO L226 Difference]: Without dead ends: 19484 [2022-07-23 03:43:45,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:43:45,804 INFO L413 NwaCegarLoop]: 5435 mSDtfsCounter, 5064 mSDsluCounter, 5596 mSDsCounter, 0 mSdLazyCounter, 3280 mSolverCounterSat, 2163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5753 SdHoareTripleChecker+Valid, 11031 SdHoareTripleChecker+Invalid, 5443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2163 IncrementalHoareTripleChecker+Valid, 3280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:43:45,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5753 Valid, 11031 Invalid, 5443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2163 Valid, 3280 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-23 03:43:45,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19484 states. [2022-07-23 03:43:46,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19484 to 19265. [2022-07-23 03:43:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19265 states, 13652 states have (on average 1.3319660123058892) internal successors, (18184), 14079 states have internal predecessors, (18184), 4596 states have call successors, (4596), 1013 states have call predecessors, (4596), 1014 states have return successors, (4773), 4471 states have call predecessors, (4773), 4592 states have call successors, (4773) [2022-07-23 03:43:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19265 states to 19265 states and 27553 transitions. [2022-07-23 03:43:46,518 INFO L78 Accepts]: Start accepts. Automaton has 19265 states and 27553 transitions. Word has length 236 [2022-07-23 03:43:46,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:43:46,521 INFO L495 AbstractCegarLoop]: Abstraction has 19265 states and 27553 transitions. [2022-07-23 03:43:46,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 03:43:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 19265 states and 27553 transitions. [2022-07-23 03:43:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-23 03:43:46,526 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:43:46,526 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:43:46,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:43:46,526 INFO L420 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)] === [2022-07-23 03:43:46,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:43:46,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1270839542, now seen corresponding path program 1 times [2022-07-23 03:43:46,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:43:46,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136679828] [2022-07-23 03:43:46,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:43:46,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:43:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:43:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:43:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:43:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:43:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:43:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:43:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:43:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:43:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:43:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:43:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:43:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:43:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:43:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:43:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:43:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:43:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:43:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:43:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 03:43:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 03:43:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 03:43:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-23 03:43:46,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:43:46,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136679828] [2022-07-23 03:43:46,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136679828] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:43:46,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:43:46,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:43:46,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523690534] [2022-07-23 03:43:46,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:43:46,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:43:46,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:43:46,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:43:46,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:43:46,931 INFO L87 Difference]: Start difference. First operand 19265 states and 27553 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 03:43:51,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:43:51,757 INFO L93 Difference]: Finished difference Result 56775 states and 81470 transitions. [2022-07-23 03:43:51,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:43:51,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2022-07-23 03:43:51,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:43:51,967 INFO L225 Difference]: With dead ends: 56775 [2022-07-23 03:43:51,967 INFO L226 Difference]: Without dead ends: 37549 [2022-07-23 03:43:52,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:43:52,062 INFO L413 NwaCegarLoop]: 5871 mSDtfsCounter, 4728 mSDsluCounter, 5605 mSDsCounter, 0 mSdLazyCounter, 3339 mSolverCounterSat, 2017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5410 SdHoareTripleChecker+Valid, 11476 SdHoareTripleChecker+Invalid, 5356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2017 IncrementalHoareTripleChecker+Valid, 3339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:43:52,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5410 Valid, 11476 Invalid, 5356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2017 Valid, 3339 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 03:43:52,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37549 states. [2022-07-23 03:43:53,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37549 to 37134. [2022-07-23 03:43:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37134 states, 26282 states have (on average 1.3313674758389773) internal successors, (34991), 27128 states have internal predecessors, (34991), 8858 states have call successors, (8858), 1992 states have call predecessors, (8858), 1991 states have return successors, (9134), 8605 states have call predecessors, (9134), 8854 states have call successors, (9134) [2022-07-23 03:43:53,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37134 states to 37134 states and 52983 transitions. [2022-07-23 03:43:53,699 INFO L78 Accepts]: Start accepts. Automaton has 37134 states and 52983 transitions. Word has length 237 [2022-07-23 03:43:53,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:43:53,700 INFO L495 AbstractCegarLoop]: Abstraction has 37134 states and 52983 transitions. [2022-07-23 03:43:53,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 03:43:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 37134 states and 52983 transitions. [2022-07-23 03:43:53,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-23 03:43:53,703 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:43:53,703 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2022-07-23 03:43:53,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:43:53,704 INFO L420 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)] === [2022-07-23 03:43:53,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:43:53,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1405291788, now seen corresponding path program 1 times [2022-07-23 03:43:53,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:43:53,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521415819] [2022-07-23 03:43:53,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:43:53,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:43:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:43:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:43:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:43:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:43:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:43:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:43:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:43:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:43:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:43:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:43:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:43:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:43:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:43:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:43:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:43:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:43:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:43:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:43:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 03:43:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:43:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:43:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 03:43:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2022-07-23 03:43:54,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:43:54,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521415819] [2022-07-23 03:43:54,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521415819] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:43:54,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:43:54,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:43:54,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741759792] [2022-07-23 03:43:54,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:43:54,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:43:54,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:43:54,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:43:54,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:43:54,679 INFO L87 Difference]: Start difference. First operand 37134 states and 52983 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, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 03:44:00,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:44:00,278 INFO L93 Difference]: Finished difference Result 98446 states and 140298 transitions. [2022-07-23 03:44:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:44:00,279 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, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 238 [2022-07-23 03:44:00,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:44:00,560 INFO L225 Difference]: With dead ends: 98446 [2022-07-23 03:44:00,560 INFO L226 Difference]: Without dead ends: 61351 [2022-07-23 03:44:00,659 INFO L412 NwaCegarLoop]: 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 [2022-07-23 03:44:00,660 INFO L413 NwaCegarLoop]: 4881 mSDtfsCounter, 4789 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 3219 mSolverCounterSat, 2172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5445 SdHoareTripleChecker+Valid, 10019 SdHoareTripleChecker+Invalid, 5391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2172 IncrementalHoareTripleChecker+Valid, 3219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:44:00,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5445 Valid, 10019 Invalid, 5391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2172 Valid, 3219 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-23 03:44:00,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61351 states. [2022-07-23 03:44:02,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61351 to 60626. [2022-07-23 03:44:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60626 states, 42774 states have (on average 1.3273250105204095) internal successors, (56775), 44102 states have internal predecessors, (56775), 14328 states have call successors, (14328), 3534 states have call predecessors, (14328), 3521 states have return successors, (14806), 13889 states have call predecessors, (14806), 14324 states have call successors, (14806) [2022-07-23 03:44:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60626 states to 60626 states and 85909 transitions. [2022-07-23 03:44:02,982 INFO L78 Accepts]: Start accepts. Automaton has 60626 states and 85909 transitions. Word has length 238 [2022-07-23 03:44:02,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:44:02,983 INFO L495 AbstractCegarLoop]: Abstraction has 60626 states and 85909 transitions. [2022-07-23 03:44:02,983 INFO L496 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, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 03:44:02,983 INFO L276 IsEmpty]: Start isEmpty. Operand 60626 states and 85909 transitions. [2022-07-23 03:44:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-23 03:44:02,988 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:44:02,988 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:44:02,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 03:44:02,989 INFO L420 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)] === [2022-07-23 03:44:02,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:44:02,989 INFO L85 PathProgramCache]: Analyzing trace with hash 425377854, now seen corresponding path program 1 times [2022-07-23 03:44:02,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:44:02,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602491401] [2022-07-23 03:44:02,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:44:02,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:44:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:44:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:44:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:44:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:44:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:44:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:44:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:44:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:44:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:44:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:44:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:44:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:44:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:44:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:44:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:44:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:44:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:44:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:44:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 03:44:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 03:44:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 03:44:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:44:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 03:44:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:03,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-23 03:44:03,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:44:03,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602491401] [2022-07-23 03:44:03,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602491401] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:44:03,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:44:03,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:44:03,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399747231] [2022-07-23 03:44:03,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:44:03,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:44:03,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:44:03,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:44:03,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:44:03,570 INFO L87 Difference]: Start difference. First operand 60626 states and 85909 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 03:44:10,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:44:10,165 INFO L93 Difference]: Finished difference Result 172482 states and 244801 transitions. [2022-07-23 03:44:10,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:44:10,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 262 [2022-07-23 03:44:10,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:44:10,656 INFO L225 Difference]: With dead ends: 172482 [2022-07-23 03:44:10,657 INFO L226 Difference]: Without dead ends: 111895 [2022-07-23 03:44:10,828 INFO L412 NwaCegarLoop]: 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 [2022-07-23 03:44:10,829 INFO L413 NwaCegarLoop]: 5499 mSDtfsCounter, 5066 mSDsluCounter, 5553 mSDsCounter, 0 mSdLazyCounter, 3263 mSolverCounterSat, 2131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5767 SdHoareTripleChecker+Valid, 11052 SdHoareTripleChecker+Invalid, 5394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 3263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:44:10,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5767 Valid, 11052 Invalid, 5394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 3263 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-23 03:44:10,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111895 states. [2022-07-23 03:44:13,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111895 to 110577. [2022-07-23 03:44:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110577 states, 78066 states have (on average 1.3266338739015704) internal successors, (103565), 80520 states have internal predecessors, (103565), 25962 states have call successors, (25962), 6567 states have call predecessors, (25962), 6546 states have return successors, (26798), 25136 states have call predecessors, (26798), 25958 states have call successors, (26798) [2022-07-23 03:44:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110577 states to 110577 states and 156325 transitions. [2022-07-23 03:44:14,603 INFO L78 Accepts]: Start accepts. Automaton has 110577 states and 156325 transitions. Word has length 262 [2022-07-23 03:44:14,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:44:14,604 INFO L495 AbstractCegarLoop]: Abstraction has 110577 states and 156325 transitions. [2022-07-23 03:44:14,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 03:44:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 110577 states and 156325 transitions. [2022-07-23 03:44:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-23 03:44:14,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:44:14,608 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:44:14,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 03:44:14,609 INFO L420 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)] === [2022-07-23 03:44:14,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:44:14,609 INFO L85 PathProgramCache]: Analyzing trace with hash 2038930234, now seen corresponding path program 1 times [2022-07-23 03:44:14,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:44:14,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845735402] [2022-07-23 03:44:14,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:44:14,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:44:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:44:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:44:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:44:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:44:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:44:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:44:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:44:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:44:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:44:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:14,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:44:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:44:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:44:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:44:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:44:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:44:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:44:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:44:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 03:44:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 03:44:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 03:44:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 03:44:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 03:44:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 03:44:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 03:44:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 03:44:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2022-07-23 03:44:15,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:44:15,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845735402] [2022-07-23 03:44:15,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845735402] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:44:15,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:44:15,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:44:15,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101128670] [2022-07-23 03:44:15,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:44:15,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:44:15,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:44:15,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:44:15,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:44:15,297 INFO L87 Difference]: Start difference. First operand 110577 states and 156325 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-23 03:44:30,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:44:30,402 INFO L93 Difference]: Finished difference Result 444763 states and 630895 transitions. [2022-07-23 03:44:30,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:44:30,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 278 [2022-07-23 03:44:30,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:44:33,116 INFO L225 Difference]: With dead ends: 444763 [2022-07-23 03:44:33,116 INFO L226 Difference]: Without dead ends: 334344 [2022-07-23 03:44:33,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:44:33,645 INFO L413 NwaCegarLoop]: 6333 mSDtfsCounter, 9550 mSDsluCounter, 8997 mSDsCounter, 0 mSdLazyCounter, 7134 mSolverCounterSat, 3459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10768 SdHoareTripleChecker+Valid, 15330 SdHoareTripleChecker+Invalid, 10593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3459 IncrementalHoareTripleChecker+Valid, 7134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:44:33,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10768 Valid, 15330 Invalid, 10593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3459 Valid, 7134 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-23 03:44:33,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334344 states. [2022-07-23 03:44:44,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334344 to 330705. [2022-07-23 03:44:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330705 states, 233526 states have (on average 1.3267002389455564) internal successors, (309819), 240820 states have internal predecessors, (309819), 77626 states have call successors, (77626), 19659 states have call predecessors, (77626), 19550 states have return successors, (79966), 75166 states have call predecessors, (79966), 77622 states have call successors, (79966) [2022-07-23 03:44:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330705 states to 330705 states and 467411 transitions.