./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 f4b24e32 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-?-f4b24e3 [2022-07-14 04:07:38,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:07:38,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:07:38,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:07:38,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:07:38,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:07:38,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:07:38,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:07:38,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:07:38,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:07:38,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:07:38,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:07:38,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:07:38,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:07:38,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:07:38,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:07:38,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:07:38,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:07:38,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:07:38,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:07:38,213 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:07:38,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:07:38,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:07:38,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:07:38,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:07:38,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:07:38,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:07:38,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:07:38,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:07:38,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:07:38,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:07:38,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:07:38,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:07:38,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:07:38,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:07:38,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:07:38,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:07:38,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:07:38,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:07:38,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:07:38,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:07:38,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:07:38,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:07:38,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:07:38,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:07:38,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:07:38,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:07:38,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:07:38,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:07:38,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:07:38,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:07:38,262 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:07:38,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:07:38,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:07:38,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:07:38,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:07:38,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:07:38,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:07:38,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:07:38,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:07:38,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:07:38,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:07:38,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:07:38,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:07:38,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:07:38,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:07:38,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:07:38,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:07:38,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:07:38,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:07:38,266 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:07:38,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:07:38,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:07:38,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2022-07-14 04:07:38,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:07:38,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:07:38,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:07:38,547 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:07:38,547 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:07:38,548 INFO L432 ainManager$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 [2022-07-14 04:07:38,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fe60e24d/48f6b70f6cc94e74bd2efb7c9ffdc6df/FLAG42c2a20c7 [2022-07-14 04:07:39,307 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:07:39,308 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 [2022-07-14 04:07:39,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fe60e24d/48f6b70f6cc94e74bd2efb7c9ffdc6df/FLAG42c2a20c7 [2022-07-14 04:07:39,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fe60e24d/48f6b70f6cc94e74bd2efb7c9ffdc6df [2022-07-14 04:07:39,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:07:39,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:07:39,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:07:39,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:07:39,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:07:39,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:07:39" (1/1) ... [2022-07-14 04:07:39,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d6fb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:39, skipping insertion in model container [2022-07-14 04:07:39,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:07:39" (1/1) ... [2022-07-14 04:07:39,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:07:39,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:07:43,236 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] [2022-07-14 04:07:43,239 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] [2022-07-14 04:07:43,240 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] [2022-07-14 04:07:43,240 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] [2022-07-14 04:07:43,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:07:43,313 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:07:43,672 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] [2022-07-14 04:07:43,672 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] [2022-07-14 04:07:43,673 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] [2022-07-14 04:07:43,673 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] [2022-07-14 04:07:43,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:07:43,878 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:07:43,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:43 WrapperNode [2022-07-14 04:07:43,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:07:43,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:07:43,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:07:43,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:07:43,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:43" (1/1) ... [2022-07-14 04:07:43,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:43" (1/1) ... [2022-07-14 04:07:44,226 INFO L137 Inliner]: procedures = 566, calls = 4377, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 9244 [2022-07-14 04:07:44,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:07:44,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:07:44,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:07:44,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:07:44,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:43" (1/1) ... [2022-07-14 04:07:44,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:43" (1/1) ... [2022-07-14 04:07:44,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:43" (1/1) ... [2022-07-14 04:07:44,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:43" (1/1) ... [2022-07-14 04:07:44,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:43" (1/1) ... [2022-07-14 04:07:44,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:43" (1/1) ... [2022-07-14 04:07:44,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:43" (1/1) ... [2022-07-14 04:07:44,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:07:44,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:07:44,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:07:44,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:07:44,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:43" (1/1) ... [2022-07-14 04:07:44,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:07:44,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:07:44,492 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) [2022-07-14 04:07:44,513 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 [2022-07-14 04:07:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 04:07:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 04:07:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:07:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:07:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-14 04:07:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-14 04:07:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-14 04:07:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-14 04:07:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-07-14 04:07:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-07-14 04:07:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 04:07:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 04:07:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-07-14 04:07:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-07-14 04:07:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:07:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:07:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 04:07:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 04:07:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-07-14 04:07:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-07-14 04:07:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2022-07-14 04:07:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2022-07-14 04:07:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-07-14 04:07:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-07-14 04:07:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:07:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:07:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-14 04:07:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-14 04:07:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-07-14 04:07:44,522 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-07-14 04:07:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:07:44,522 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:07:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-14 04:07:44,522 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-14 04:07:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-14 04:07:44,522 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-14 04:07:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-07-14 04:07:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-07-14 04:07:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-14 04:07:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-14 04:07:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-07-14 04:07:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-07-14 04:07:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 04:07:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 04:07:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:07:44,524 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:07:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-14 04:07:44,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-14 04:07:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-14 04:07:44,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-14 04:07:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-07-14 04:07:44,524 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-07-14 04:07:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 04:07:44,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 04:07:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:07:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:07:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 04:07:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 04:07:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-14 04:07:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-14 04:07:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 04:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 04:07:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-14 04:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-14 04:07:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 04:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 04:07:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:07:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-14 04:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-14 04:07:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 04:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 04:07:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 04:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 04:07:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:07:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-07-14 04:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-07-14 04:07:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-14 04:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-14 04:07:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:07:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:07:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 04:07:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 04:07:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 04:07:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-07-14 04:07:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-07-14 04:07:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-14 04:07:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-14 04:07:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-07-14 04:07:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-07-14 04:07:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:07:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:07:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-14 04:07:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-14 04:07:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 04:07:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 04:07:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 04:07:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:07:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:07:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 04:07:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-07-14 04:07:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-07-14 04:07:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-14 04:07:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-14 04:07:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:07:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:07:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:07:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:07:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:07:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:07:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:07:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:07:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:07:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:07:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-07-14 04:07:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-07-14 04:07:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-14 04:07:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-14 04:07:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-14 04:07:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-14 04:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 04:07:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 04:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-07-14 04:07:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-07-14 04:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 04:07:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 04:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-07-14 04:07:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-07-14 04:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:07:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 04:07:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 04:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-07-14 04:07:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-07-14 04:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 04:07:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 04:07:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 04:07:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 04:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-14 04:07:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-14 04:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-14 04:07:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-14 04:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:07:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 04:07:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 04:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-14 04:07:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-14 04:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:07:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-14 04:07:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-14 04:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:07:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-07-14 04:07:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-07-14 04:07:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 04:07:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 04:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-07-14 04:07:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-07-14 04:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-14 04:07:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-14 04:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-14 04:07:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-14 04:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-07-14 04:07:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-07-14 04:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-14 04:07:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-14 04:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 04:07:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 04:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-07-14 04:07:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-07-14 04:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:07:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 04:07:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 04:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-07-14 04:07:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-07-14 04:07:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:07:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-14 04:07:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-14 04:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-07-14 04:07:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-07-14 04:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-14 04:07:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-14 04:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-07-14 04:07:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-07-14 04:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-14 04:07:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-14 04:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-07-14 04:07:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-07-14 04:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-07-14 04:07:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-07-14 04:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-14 04:07:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-14 04:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:07:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:07:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-07-14 04:07:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-07-14 04:07:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:07:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:07:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:07:44,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:07:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:07:44,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:07:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:07:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:07:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-14 04:07:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-14 04:07:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 04:07:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 04:07:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:07:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:07:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-14 04:07:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-14 04:07:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 04:07:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 04:07:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 04:07:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 04:07:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:07:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-14 04:07:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-14 04:07:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 04:07:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 04:07:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:07:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-07-14 04:07:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-07-14 04:07:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-07-14 04:07:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-07-14 04:07:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2022-07-14 04:07:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2022-07-14 04:07:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:07:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 04:07:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 04:07:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-14 04:07:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-14 04:07:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:07:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:07:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:07:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:07:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-14 04:07:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-14 04:07:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2022-07-14 04:07:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2022-07-14 04:07:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-14 04:07:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-14 04:07:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-14 04:07:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-14 04:07:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2022-07-14 04:07:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2022-07-14 04:07:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-07-14 04:07:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-07-14 04:07:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-07-14 04:07:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-07-14 04:07:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-14 04:07:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-14 04:07:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 04:07:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 04:07:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-07-14 04:07:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-07-14 04:07:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 04:07:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 04:07:44,626 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:07:44,626 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:07:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 04:07:44,627 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 04:07:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 04:07:44,630 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 04:07:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-07-14 04:07:44,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-07-14 04:07:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 04:07:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-07-14 04:07:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-07-14 04:07:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-14 04:07:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-14 04:07:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-14 04:07:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-14 04:07:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:07:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:07:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-07-14 04:07:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-07-14 04:07:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-07-14 04:07:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-07-14 04:07:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-14 04:07:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-14 04:07:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2022-07-14 04:07:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2022-07-14 04:07:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2022-07-14 04:07:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2022-07-14 04:07:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-07-14 04:07:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-07-14 04:07:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2022-07-14 04:07:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2022-07-14 04:07:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 04:07:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 04:07:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-07-14 04:07:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-07-14 04:07:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-07-14 04:07:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-07-14 04:07:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:07:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:07:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-14 04:07:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-14 04:07:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 04:07:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 04:07:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 04:07:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 04:07:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-14 04:07:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-14 04:07:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 04:07:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 04:07:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 04:07:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:07:44,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:07:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-14 04:07:44,635 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-14 04:07:45,456 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:07:45,458 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:07:46,495 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:07:50,440 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:07:50,498 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:07:50,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:07:50,522 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 04:07:50,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:07:50 BoogieIcfgContainer [2022-07-14 04:07:50,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:07:50,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:07:50,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:07:50,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:07:50,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:07:39" (1/3) ... [2022-07-14 04:07:50,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f28c33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:07:50, skipping insertion in model container [2022-07-14 04:07:50,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:43" (2/3) ... [2022-07-14 04:07:50,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f28c33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:07:50, skipping insertion in model container [2022-07-14 04:07:50,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:07:50" (3/3) ... [2022-07-14 04:07:50,534 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-14 04:07:50,545 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:07:50,545 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 04:07:50,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:07:50,652 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@79ea5c70, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1c1f983b [2022-07-14 04:07:50,652 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 04:07:50,663 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) [2022-07-14 04:07:50,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-14 04:07:50,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:07:50,684 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] [2022-07-14 04:07:50,685 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)] === [2022-07-14 04:07:50,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:07:50,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1855056052, now seen corresponding path program 1 times [2022-07-14 04:07:50,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:07:50,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473866936] [2022-07-14 04:07:50,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:07:50,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:07:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:07:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:07:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:07:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:07:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:07:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:07:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:07:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:07:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:07:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:07:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:07:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:07:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:07:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:07:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:07:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:07:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:07:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 04:07:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-14 04:07:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:51,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-14 04:07:51,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:07:51,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473866936] [2022-07-14 04:07:51,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473866936] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:07:51,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:07:51,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:07:51,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542114166] [2022-07-14 04:07:51,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:07:51,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:07:51,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:07:51,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:07:51,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:07:51,769 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) [2022-07-14 04:07:57,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:07:57,237 INFO L93 Difference]: Finished difference Result 9552 states and 14492 transitions. [2022-07-14 04:07:57,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:07:57,239 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 [2022-07-14 04:07:57,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:07:57,295 INFO L225 Difference]: With dead ends: 9552 [2022-07-14 04:07:57,295 INFO L226 Difference]: Without dead ends: 6344 [2022-07-14 04:07:57,326 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 [2022-07-14 04:07:57,329 INFO L413 NwaCegarLoop]: 4942 mSDtfsCounter, 5214 mSDsluCounter, 5203 mSDsCounter, 0 mSdLazyCounter, 3224 mSolverCounterSat, 2189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5920 SdHoareTripleChecker+Valid, 10145 SdHoareTripleChecker+Invalid, 5413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2189 IncrementalHoareTripleChecker+Valid, 3224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:07:57,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5920 Valid, 10145 Invalid, 5413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2189 Valid, 3224 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-14 04:07:57,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6344 states. [2022-07-14 04:07:57,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6344 to 6281. [2022-07-14 04:07:57,627 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) [2022-07-14 04:07:57,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6281 states to 6281 states and 9025 transitions. [2022-07-14 04:07:57,670 INFO L78 Accepts]: Start accepts. Automaton has 6281 states and 9025 transitions. Word has length 215 [2022-07-14 04:07:57,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:07:57,671 INFO L495 AbstractCegarLoop]: Abstraction has 6281 states and 9025 transitions. [2022-07-14 04:07:57,671 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) [2022-07-14 04:07:57,672 INFO L276 IsEmpty]: Start isEmpty. Operand 6281 states and 9025 transitions. [2022-07-14 04:07:57,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-14 04:07:57,677 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:07:57,677 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] [2022-07-14 04:07:57,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 04:07:57,677 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)] === [2022-07-14 04:07:57,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:07:57,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1497569863, now seen corresponding path program 1 times [2022-07-14 04:07:57,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:07:57,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215526856] [2022-07-14 04:07:57,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:07:57,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:07:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:07:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:07:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:07:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:07:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:07:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:07:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:07:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:07:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:07:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:07:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:07:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:07:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:07:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:07:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:07:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:07:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:07:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:07:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 04:07:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 04:07:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 04:07:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-14 04:07:58,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:07:58,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215526856] [2022-07-14 04:07:58,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215526856] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:07:58,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:07:58,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:07:58,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907700416] [2022-07-14 04:07:58,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:07:58,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:07:58,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:07:58,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:07:58,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:07:58,167 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) [2022-07-14 04:08:03,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:08:03,062 INFO L93 Difference]: Finished difference Result 18543 states and 26868 transitions. [2022-07-14 04:08:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:08:03,062 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 [2022-07-14 04:08:03,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:08:03,134 INFO L225 Difference]: With dead ends: 18543 [2022-07-14 04:08:03,134 INFO L226 Difference]: Without dead ends: 12301 [2022-07-14 04:08:03,167 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 [2022-07-14 04:08:03,168 INFO L413 NwaCegarLoop]: 4981 mSDtfsCounter, 5105 mSDsluCounter, 5273 mSDsCounter, 0 mSdLazyCounter, 3140 mSolverCounterSat, 2259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5748 SdHoareTripleChecker+Valid, 10254 SdHoareTripleChecker+Invalid, 5399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2259 IncrementalHoareTripleChecker+Valid, 3140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:08:03,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5748 Valid, 10254 Invalid, 5399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2259 Valid, 3140 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-14 04:08:03,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12301 states. [2022-07-14 04:08:03,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12301 to 12164. [2022-07-14 04:08:03,595 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) [2022-07-14 04:08:03,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12164 states to 12164 states and 17549 transitions. [2022-07-14 04:08:03,643 INFO L78 Accepts]: Start accepts. Automaton has 12164 states and 17549 transitions. Word has length 224 [2022-07-14 04:08:03,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:08:03,645 INFO L495 AbstractCegarLoop]: Abstraction has 12164 states and 17549 transitions. [2022-07-14 04:08:03,645 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) [2022-07-14 04:08:03,645 INFO L276 IsEmpty]: Start isEmpty. Operand 12164 states and 17549 transitions. [2022-07-14 04:08:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-14 04:08:03,650 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:08:03,650 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] [2022-07-14 04:08:03,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 04:08:03,651 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)] === [2022-07-14 04:08:03,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:08:03,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1622315303, now seen corresponding path program 1 times [2022-07-14 04:08:03,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:08:03,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470205519] [2022-07-14 04:08:03,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:08:03,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:08:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:08:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:08:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:08:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:03,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:08:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:08:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:08:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:08:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:08:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:08:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:08:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:08:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:08:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:08:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:08:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:08:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:08:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:08:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 04:08:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 04:08:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-14 04:08:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 04:08:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-14 04:08:04,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:08:04,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470205519] [2022-07-14 04:08:04,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470205519] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:08:04,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:08:04,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:08:04,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042046797] [2022-07-14 04:08:04,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:08:04,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:08:04,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:08:04,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:08:04,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:08:04,145 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) [2022-07-14 04:08:09,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:08:09,344 INFO L93 Difference]: Finished difference Result 31609 states and 45624 transitions. [2022-07-14 04:08:09,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:08:09,349 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 [2022-07-14 04:08:09,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:08:09,455 INFO L225 Difference]: With dead ends: 31609 [2022-07-14 04:08:09,455 INFO L226 Difference]: Without dead ends: 19484 [2022-07-14 04:08:09,512 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 [2022-07-14 04:08:09,514 INFO L413 NwaCegarLoop]: 5435 mSDtfsCounter, 5064 mSDsluCounter, 5596 mSDsCounter, 0 mSdLazyCounter, 3280 mSolverCounterSat, 2163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 4.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:08:09,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5753 Valid, 11031 Invalid, 5443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2163 Valid, 3280 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-14 04:08:09,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19484 states. [2022-07-14 04:08:10,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19484 to 19265. [2022-07-14 04:08:10,103 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) [2022-07-14 04:08:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19265 states to 19265 states and 27553 transitions. [2022-07-14 04:08:10,349 INFO L78 Accepts]: Start accepts. Automaton has 19265 states and 27553 transitions. Word has length 236 [2022-07-14 04:08:10,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:08:10,350 INFO L495 AbstractCegarLoop]: Abstraction has 19265 states and 27553 transitions. [2022-07-14 04:08:10,350 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) [2022-07-14 04:08:10,351 INFO L276 IsEmpty]: Start isEmpty. Operand 19265 states and 27553 transitions. [2022-07-14 04:08:10,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-14 04:08:10,358 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:08:10,358 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] [2022-07-14 04:08:10,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 04:08:10,358 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)] === [2022-07-14 04:08:10,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:08:10,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1270839542, now seen corresponding path program 1 times [2022-07-14 04:08:10,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:08:10,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744041911] [2022-07-14 04:08:10,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:08:10,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:08:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:08:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:08:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:08:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:08:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:08:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:08:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:08:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:08:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:08:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:08:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:08:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:08:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:08:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:08:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:08:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:08:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:08:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 04:08:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 04:08:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 04:08:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-14 04:08:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-14 04:08:10,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:08:10,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744041911] [2022-07-14 04:08:10,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744041911] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:08:10,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:08:10,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:08:10,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125685835] [2022-07-14 04:08:10,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:08:10,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:08:10,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:08:10,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:08:10,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:08:10,883 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) [2022-07-14 04:08:15,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:08:15,818 INFO L93 Difference]: Finished difference Result 56775 states and 81470 transitions. [2022-07-14 04:08:15,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:08:15,819 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 [2022-07-14 04:08:15,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:08:16,001 INFO L225 Difference]: With dead ends: 56775 [2022-07-14 04:08:16,002 INFO L226 Difference]: Without dead ends: 37549 [2022-07-14 04:08:16,089 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 [2022-07-14 04:08:16,090 INFO L413 NwaCegarLoop]: 5872 mSDtfsCounter, 4728 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 3339 mSolverCounterSat, 2017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5409 SdHoareTripleChecker+Valid, 11478 SdHoareTripleChecker+Invalid, 5356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2017 IncrementalHoareTripleChecker+Valid, 3339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:08:16,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5409 Valid, 11478 Invalid, 5356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2017 Valid, 3339 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-14 04:08:16,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37549 states. [2022-07-14 04:08:17,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37549 to 37134. [2022-07-14 04:08:17,327 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) [2022-07-14 04:08:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37134 states to 37134 states and 52983 transitions. [2022-07-14 04:08:17,470 INFO L78 Accepts]: Start accepts. Automaton has 37134 states and 52983 transitions. Word has length 237 [2022-07-14 04:08:17,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:08:17,472 INFO L495 AbstractCegarLoop]: Abstraction has 37134 states and 52983 transitions. [2022-07-14 04:08:17,472 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) [2022-07-14 04:08:17,472 INFO L276 IsEmpty]: Start isEmpty. Operand 37134 states and 52983 transitions. [2022-07-14 04:08:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-14 04:08:17,475 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:08:17,476 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] [2022-07-14 04:08:17,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 04:08:17,476 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)] === [2022-07-14 04:08:17,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:08:17,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1405291788, now seen corresponding path program 1 times [2022-07-14 04:08:17,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:08:17,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443029344] [2022-07-14 04:08:17,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:08:17,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:08:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:08:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:08:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:08:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:08:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:08:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:08:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:08:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:08:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:08:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:08:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:08:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:08:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:08:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:08:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:08:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:08:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:08:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 04:08:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 04:08:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:08:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:08:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 04:08:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2022-07-14 04:08:17,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:08:17,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443029344] [2022-07-14 04:08:17,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443029344] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:08:17,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:08:17,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:08:17,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286937136] [2022-07-14 04:08:17,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:08:17,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:08:17,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:08:17,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:08:17,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:08:17,833 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) [2022-07-14 04:08:23,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:08:23,497 INFO L93 Difference]: Finished difference Result 98446 states and 140298 transitions. [2022-07-14 04:08:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:08:23,498 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 [2022-07-14 04:08:23,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:08:23,802 INFO L225 Difference]: With dead ends: 98446 [2022-07-14 04:08:23,803 INFO L226 Difference]: Without dead ends: 61351 [2022-07-14 04:08:23,940 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 [2022-07-14 04:08:23,941 INFO L413 NwaCegarLoop]: 4881 mSDtfsCounter, 4789 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 3219 mSolverCounterSat, 2172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:08:23,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5445 Valid, 10019 Invalid, 5391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2172 Valid, 3219 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-14 04:08:24,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61351 states. [2022-07-14 04:08:25,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61351 to 60626. [2022-07-14 04:08:25,621 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) [2022-07-14 04:08:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60626 states to 60626 states and 85909 transitions. [2022-07-14 04:08:25,909 INFO L78 Accepts]: Start accepts. Automaton has 60626 states and 85909 transitions. Word has length 238 [2022-07-14 04:08:25,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:08:25,909 INFO L495 AbstractCegarLoop]: Abstraction has 60626 states and 85909 transitions. [2022-07-14 04:08:25,910 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) [2022-07-14 04:08:25,910 INFO L276 IsEmpty]: Start isEmpty. Operand 60626 states and 85909 transitions. [2022-07-14 04:08:25,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-14 04:08:25,915 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:08:25,915 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] [2022-07-14 04:08:25,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 04:08:25,915 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)] === [2022-07-14 04:08:25,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:08:25,916 INFO L85 PathProgramCache]: Analyzing trace with hash 425377854, now seen corresponding path program 1 times [2022-07-14 04:08:25,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:08:25,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467443834] [2022-07-14 04:08:25,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:08:25,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:08:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:08:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:08:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:08:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:08:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:08:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:08:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:08:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:08:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:08:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:08:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:08:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:08:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:08:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:08:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:08:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:08:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:08:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 04:08:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-14 04:08:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 04:08:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 04:08:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 04:08:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 04:08:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-14 04:08:26,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:08:26,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467443834] [2022-07-14 04:08:26,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467443834] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:08:26,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:08:26,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:08:26,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258548789] [2022-07-14 04:08:26,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:08:26,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:08:26,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:08:26,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:08:26,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:08:26,632 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) [2022-07-14 04:08:33,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:08:33,616 INFO L93 Difference]: Finished difference Result 172482 states and 244801 transitions. [2022-07-14 04:08:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:08:33,619 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 [2022-07-14 04:08:33,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:08:34,332 INFO L225 Difference]: With dead ends: 172482 [2022-07-14 04:08:34,332 INFO L226 Difference]: Without dead ends: 111895 [2022-07-14 04:08:34,499 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 [2022-07-14 04:08:34,500 INFO L413 NwaCegarLoop]: 5496 mSDtfsCounter, 5068 mSDsluCounter, 5553 mSDsCounter, 0 mSdLazyCounter, 3262 mSolverCounterSat, 2132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5771 SdHoareTripleChecker+Valid, 11049 SdHoareTripleChecker+Invalid, 5394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2132 IncrementalHoareTripleChecker+Valid, 3262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:08:34,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5771 Valid, 11049 Invalid, 5394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2132 Valid, 3262 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-14 04:08:34,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111895 states. [2022-07-14 04:08:37,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111895 to 110577. [2022-07-14 04:08:37,681 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) [2022-07-14 04:08:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110577 states to 110577 states and 156325 transitions. [2022-07-14 04:08:38,614 INFO L78 Accepts]: Start accepts. Automaton has 110577 states and 156325 transitions. Word has length 262 [2022-07-14 04:08:38,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:08:38,615 INFO L495 AbstractCegarLoop]: Abstraction has 110577 states and 156325 transitions. [2022-07-14 04:08:38,615 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) [2022-07-14 04:08:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 110577 states and 156325 transitions. [2022-07-14 04:08:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-14 04:08:38,620 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:08:38,620 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] [2022-07-14 04:08:38,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 04:08:38,621 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)] === [2022-07-14 04:08:38,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:08:38,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2038930234, now seen corresponding path program 1 times [2022-07-14 04:08:38,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:08:38,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042403141] [2022-07-14 04:08:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:08:38,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:08:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:08:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:08:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:08:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:08:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:08:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:08:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:38,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:08:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:08:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:08:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:08:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:08:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:08:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:08:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:08:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:08:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:08:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:08:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 04:08:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 04:08:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 04:08:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-14 04:08:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-14 04:08:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:08:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 04:08:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 04:08:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 04:08:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2022-07-14 04:08:39,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:08:39,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042403141] [2022-07-14 04:08:39,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042403141] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:08:39,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:08:39,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:08:39,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283516029] [2022-07-14 04:08:39,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:08:39,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:08:39,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:08:39,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:08:39,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:08:39,457 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) [2022-07-14 04:08:54,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:08:54,938 INFO L93 Difference]: Finished difference Result 444763 states and 630895 transitions. [2022-07-14 04:08:54,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:08:54,938 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 [2022-07-14 04:08:54,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:08:57,067 INFO L225 Difference]: With dead ends: 444763 [2022-07-14 04:08:57,068 INFO L226 Difference]: Without dead ends: 334344 [2022-07-14 04:08:57,555 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 [2022-07-14 04:08:57,556 INFO L413 NwaCegarLoop]: 6334 mSDtfsCounter, 9552 mSDsluCounter, 9005 mSDsCounter, 0 mSdLazyCounter, 7129 mSolverCounterSat, 3460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10773 SdHoareTripleChecker+Valid, 15339 SdHoareTripleChecker+Invalid, 10589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3460 IncrementalHoareTripleChecker+Valid, 7129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:08:57,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10773 Valid, 15339 Invalid, 10589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3460 Valid, 7129 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-07-14 04:08:57,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334344 states. [2022-07-14 04:09:08,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334344 to 330705. [2022-07-14 04:09:08,470 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) [2022-07-14 04:09:10,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330705 states to 330705 states and 467411 transitions. [2022-07-14 04:09:10,816 INFO L78 Accepts]: Start accepts. Automaton has 330705 states and 467411 transitions. Word has length 278 [2022-07-14 04:09:10,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:09:10,817 INFO L495 AbstractCegarLoop]: Abstraction has 330705 states and 467411 transitions. [2022-07-14 04:09:10,817 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-07-14 04:09:10,817 INFO L276 IsEmpty]: Start isEmpty. Operand 330705 states and 467411 transitions. [2022-07-14 04:09:10,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-14 04:09:10,823 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:09:10,823 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] [2022-07-14 04:09:10,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 04:09:10,823 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:09:10,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:09:10,824 INFO L85 PathProgramCache]: Analyzing trace with hash 110657532, now seen corresponding path program 1 times [2022-07-14 04:09:10,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:09:10,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825831206] [2022-07-14 04:09:10,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:09:10,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:09:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:09:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:09:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:09:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:09:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:09:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:09:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:09:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:09:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:09:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:09:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:09:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:09:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:09:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:09:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:09:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:09:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:09:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 04:09:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 04:09:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 04:09:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-14 04:09:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-14 04:09:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:09:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 04:09:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 04:09:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 04:09:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2022-07-14 04:09:11,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:09:11,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825831206] [2022-07-14 04:09:11,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825831206] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:09:11,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:09:11,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:09:11,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253723163] [2022-07-14 04:09:11,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:09:11,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:09:11,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:09:11,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:09:11,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:09:11,316 INFO L87 Difference]: Start difference. First operand 330705 states and 467411 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, (27), 3 states have call predecessors, (27), 3 states have call successors, (27)