./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.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 5e82a719a5cd0ec3a30cd42dbacb612fd330a6d3aa584d331bc796b2ce8b6a55 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:53:28,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:53:28,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:53:28,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:53:28,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:53:28,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:53:28,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:53:28,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:53:28,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:53:28,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:53:28,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:53:28,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:53:28,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:53:28,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:53:28,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:53:28,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:53:28,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:53:28,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:53:28,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:53:28,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:53:28,289 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:53:28,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:53:28,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:53:28,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:53:28,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:53:28,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:53:28,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:53:28,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:53:28,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:53:28,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:53:28,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:53:28,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:53:28,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:53:28,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:53:28,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:53:28,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:53:28,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:53:28,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:53:28,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:53:28,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:53:28,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:53:28,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:53:28,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:53:28,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:53:28,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:53:28,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:53:28,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:53:28,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:53:28,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:53:28,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:53:28,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:53:28,333 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:53:28,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:53:28,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:53:28,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:53:28,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:53:28,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:53:28,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:53:28,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:53:28,335 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:53:28,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:53:28,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:53:28,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:53:28,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:53:28,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:53:28,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:53:28,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:53:28,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:53:28,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:53:28,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:53:28,337 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:53:28,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:53:28,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:53:28,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e82a719a5cd0ec3a30cd42dbacb612fd330a6d3aa584d331bc796b2ce8b6a55 [2022-07-21 13:53:28,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:53:28,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:53:28,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:53:28,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:53:28,612 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:53:28,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i [2022-07-21 13:53:28,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f941bdf0d/8d52bfd4079c435c942d5f6065a10622/FLAG0674fc47a [2022-07-21 13:53:29,276 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:53:29,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i [2022-07-21 13:53:29,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f941bdf0d/8d52bfd4079c435c942d5f6065a10622/FLAG0674fc47a [2022-07-21 13:53:29,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f941bdf0d/8d52bfd4079c435c942d5f6065a10622 [2022-07-21 13:53:29,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:53:29,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:53:29,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:53:29,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:53:29,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:53:29,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:53:29" (1/1) ... [2022-07-21 13:53:29,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc8f426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:29, skipping insertion in model container [2022-07-21 13:53:29,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:53:29" (1/1) ... [2022-07-21 13:53:29,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:53:29,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:53:31,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350019,350032] [2022-07-21 13:53:31,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350188,350201] [2022-07-21 13:53:31,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350355,350368] [2022-07-21 13:53:31,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350523,350536] [2022-07-21 13:53:31,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:53:31,434 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:53:31,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350019,350032] [2022-07-21 13:53:31,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350188,350201] [2022-07-21 13:53:31,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350355,350368] [2022-07-21 13:53:31,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350523,350536] [2022-07-21 13:53:31,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:53:31,892 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:53:31,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:31 WrapperNode [2022-07-21 13:53:31,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:53:31,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:53:31,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:53:31,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:53:31,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:31" (1/1) ... [2022-07-21 13:53:31,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:31" (1/1) ... [2022-07-21 13:53:32,130 INFO L137 Inliner]: procedures = 407, calls = 2544, calls flagged for inlining = 197, calls inlined = 171, statements flattened = 5066 [2022-07-21 13:53:32,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:53:32,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:53:32,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:53:32,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:53:32,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:31" (1/1) ... [2022-07-21 13:53:32,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:31" (1/1) ... [2022-07-21 13:53:32,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:31" (1/1) ... [2022-07-21 13:53:32,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:31" (1/1) ... [2022-07-21 13:53:32,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:31" (1/1) ... [2022-07-21 13:53:32,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:31" (1/1) ... [2022-07-21 13:53:32,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:31" (1/1) ... [2022-07-21 13:53:32,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:53:32,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:53:32,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:53:32,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:53:32,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:31" (1/1) ... [2022-07-21 13:53:32,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:53:32,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:53:32,393 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) [2022-07-21 13:53:32,414 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 [2022-07-21 13:53:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-21 13:53:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-21 13:53:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2022-07-21 13:53:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2022-07-21 13:53:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-21 13:53:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-21 13:53:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 13:53:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 13:53:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2022-07-21 13:53:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2022-07-21 13:53:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:53:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:53:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2022-07-21 13:53:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2022-07-21 13:53:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_70 [2022-07-21 13:53:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_70 [2022-07-21 13:53:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 13:53:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 13:53:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:53:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:53:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 13:53:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 13:53:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2022-07-21 13:53:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2022-07-21 13:53:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:53:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:53:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:53:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2022-07-21 13:53:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2022-07-21 13:53:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 13:53:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 13:53:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-21 13:53:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-21 13:53:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:53:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:53:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 13:53:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-21 13:53:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-21 13:53:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 13:53:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 13:53:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:53:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:53:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2022-07-21 13:53:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2022-07-21 13:53:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 13:53:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 13:53:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:53:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:53:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:53:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:53:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:53:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smc91c92_cs_driver_exit_13_2 [2022-07-21 13:53:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smc91c92_cs_driver_exit_13_2 [2022-07-21 13:53:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:53:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:53:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:53:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:53:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:53:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:53:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 13:53:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 13:53:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2022-07-21 13:53:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2022-07-21 13:53:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 13:53:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 13:53:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2022-07-21 13:53:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2022-07-21 13:53:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-21 13:53:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-21 13:53:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-21 13:53:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-21 13:53:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:53:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:53:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:53:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:53:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2022-07-21 13:53:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2022-07-21 13:53:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 13:53:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 13:53:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 13:53:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 13:53:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_smc_private [2022-07-21 13:53:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_smc_private [2022-07-21 13:53:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2022-07-21 13:53:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2022-07-21 13:53:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 13:53:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 13:53:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2022-07-21 13:53:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2022-07-21 13:53:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 13:53:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 13:53:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:53:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 13:53:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 13:53:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:53:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 13:53:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 13:53:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2022-07-21 13:53:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2022-07-21 13:53:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:53:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2022-07-21 13:53:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2022-07-21 13:53:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-21 13:53:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-21 13:53:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 13:53:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 13:53:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-21 13:53:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-21 13:53:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:53:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:53:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-21 13:53:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-21 13:53:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-21 13:53:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-21 13:53:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 13:53:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 13:53:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 13:53:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 13:53:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 13:53:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 13:53:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 13:53:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2022-07-21 13:53:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2022-07-21 13:53:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2022-07-21 13:53:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2022-07-21 13:53:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:53:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:53:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_smc_private [2022-07-21 13:53:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_smc_private [2022-07-21 13:53:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2022-07-21 13:53:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2022-07-21 13:53:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:53:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:53:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure smc_interrupt [2022-07-21 13:53:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_interrupt [2022-07-21 13:53:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-21 13:53:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-21 13:53:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 13:53:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-21 13:53:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-21 13:53:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:53:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:53:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-21 13:53:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-21 13:53:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-21 13:53:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-21 13:53:33,020 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:53:33,022 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:53:33,258 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:53:36,155 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:53:36,250 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:53:36,263 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:53:36,263 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 13:53:36,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:53:36 BoogieIcfgContainer [2022-07-21 13:53:36,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:53:36,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:53:36,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:53:36,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:53:36,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:53:29" (1/3) ... [2022-07-21 13:53:36,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6979bf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:53:36, skipping insertion in model container [2022-07-21 13:53:36,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:53:31" (2/3) ... [2022-07-21 13:53:36,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6979bf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:53:36, skipping insertion in model container [2022-07-21 13:53:36,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:53:36" (3/3) ... [2022-07-21 13:53:36,273 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i [2022-07-21 13:53:36,283 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:53:36,284 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 13:53:36,376 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:53:36,381 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@40f50697, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7df3debb [2022-07-21 13:53:36,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 13:53:36,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 1626 states, 1093 states have (on average 1.314730100640439) internal successors, (1437), 1114 states have internal predecessors, (1437), 464 states have call successors, (464), 67 states have call predecessors, (464), 66 states have return successors, (458), 456 states have call predecessors, (458), 458 states have call successors, (458) [2022-07-21 13:53:36,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-07-21 13:53:36,403 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:53:36,404 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:53:36,404 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)] === [2022-07-21 13:53:36,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:53:36,409 INFO L85 PathProgramCache]: Analyzing trace with hash 313866936, now seen corresponding path program 1 times [2022-07-21 13:53:36,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:53:36,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659932978] [2022-07-21 13:53:36,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:53:36,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:53:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:53:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:36,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:36,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:53:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:36,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:36,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:53:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:36,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:36,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:53:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:36,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:36,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:53:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:36,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:53:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:36,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:53:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:53:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:53:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:53:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:53:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:53:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:53:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-21 13:53:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-07-21 13:53:37,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:53:37,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659932978] [2022-07-21 13:53:37,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659932978] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:53:37,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:53:37,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:53:37,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409163151] [2022-07-21 13:53:37,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:53:37,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:53:37,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:53:37,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:53:37,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:53:37,167 INFO L87 Difference]: Start difference. First operand has 1626 states, 1093 states have (on average 1.314730100640439) internal successors, (1437), 1114 states have internal predecessors, (1437), 464 states have call successors, (464), 67 states have call predecessors, (464), 66 states have return successors, (458), 456 states have call predecessors, (458), 458 states have call successors, (458) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 13:53:41,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:53:41,002 INFO L93 Difference]: Finished difference Result 4752 states and 7015 transitions. [2022-07-21 13:53:41,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:53:41,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 160 [2022-07-21 13:53:41,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:53:41,035 INFO L225 Difference]: With dead ends: 4752 [2022-07-21 13:53:41,036 INFO L226 Difference]: Without dead ends: 3145 [2022-07-21 13:53:41,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:53:41,050 INFO L413 NwaCegarLoop]: 2559 mSDtfsCounter, 2408 mSDsluCounter, 2516 mSDsCounter, 0 mSdLazyCounter, 1729 mSolverCounterSat, 1141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2814 SdHoareTripleChecker+Valid, 5075 SdHoareTripleChecker+Invalid, 2870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1141 IncrementalHoareTripleChecker+Valid, 1729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:53:41,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 5075 Invalid, 2870 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1141 Valid, 1729 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-21 13:53:41,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3145 states. [2022-07-21 13:53:41,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3145 to 3115. [2022-07-21 13:53:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 2112 states have (on average 1.2855113636363635) internal successors, (2715), 2153 states have internal predecessors, (2715), 872 states have call successors, (872), 129 states have call predecessors, (872), 128 states have return successors, (868), 864 states have call predecessors, (868), 868 states have call successors, (868) [2022-07-21 13:53:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 4455 transitions. [2022-07-21 13:53:41,291 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 4455 transitions. Word has length 160 [2022-07-21 13:53:41,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:53:41,293 INFO L495 AbstractCegarLoop]: Abstraction has 3115 states and 4455 transitions. [2022-07-21 13:53:41,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 13:53:41,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 4455 transitions. [2022-07-21 13:53:41,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-07-21 13:53:41,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:53:41,305 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:53:41,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 13:53:41,306 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)] === [2022-07-21 13:53:41,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:53:41,307 INFO L85 PathProgramCache]: Analyzing trace with hash -278957502, now seen corresponding path program 1 times [2022-07-21 13:53:41,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:53:41,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740769883] [2022-07-21 13:53:41,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:53:41,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:53:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:53:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:53:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:53:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:53:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:53:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:53:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:53:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:53:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:53:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:53:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:53:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:53:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:53:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 13:53:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:53:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-07-21 13:53:41,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:53:41,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740769883] [2022-07-21 13:53:41,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740769883] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:53:41,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:53:41,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:53:41,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527162273] [2022-07-21 13:53:41,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:53:41,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:53:41,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:53:41,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:53:41,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:53:41,719 INFO L87 Difference]: Start difference. First operand 3115 states and 4455 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 13:53:45,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:53:45,330 INFO L93 Difference]: Finished difference Result 8759 states and 12553 transitions. [2022-07-21 13:53:45,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:53:45,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 170 [2022-07-21 13:53:45,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:53:45,360 INFO L225 Difference]: With dead ends: 8759 [2022-07-21 13:53:45,360 INFO L226 Difference]: Without dead ends: 5673 [2022-07-21 13:53:45,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:53:45,376 INFO L413 NwaCegarLoop]: 2485 mSDtfsCounter, 2063 mSDsluCounter, 2478 mSDsCounter, 0 mSdLazyCounter, 1700 mSolverCounterSat, 1102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2409 SdHoareTripleChecker+Valid, 4963 SdHoareTripleChecker+Invalid, 2802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1102 IncrementalHoareTripleChecker+Valid, 1700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:53:45,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2409 Valid, 4963 Invalid, 2802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1102 Valid, 1700 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-21 13:53:45,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5673 states. [2022-07-21 13:53:45,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5673 to 5592. [2022-07-21 13:53:45,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5592 states, 3791 states have (on average 1.2867317330519652) internal successors, (4878), 3871 states have internal predecessors, (4878), 1555 states have call successors, (1555), 248 states have call predecessors, (1555), 243 states have return successors, (1551), 1532 states have call predecessors, (1551), 1551 states have call successors, (1551) [2022-07-21 13:53:45,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5592 states to 5592 states and 7984 transitions. [2022-07-21 13:53:45,620 INFO L78 Accepts]: Start accepts. Automaton has 5592 states and 7984 transitions. Word has length 170 [2022-07-21 13:53:45,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:53:45,622 INFO L495 AbstractCegarLoop]: Abstraction has 5592 states and 7984 transitions. [2022-07-21 13:53:45,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 13:53:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 5592 states and 7984 transitions. [2022-07-21 13:53:45,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-21 13:53:45,625 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:53:45,625 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:53:45,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 13:53:45,626 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)] === [2022-07-21 13:53:45,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:53:45,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1362092539, now seen corresponding path program 1 times [2022-07-21 13:53:45,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:53:45,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752179646] [2022-07-21 13:53:45,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:53:45,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:53:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:53:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:53:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:53:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:53:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:53:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:53:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:53:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:53:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:53:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:53:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:53:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:53:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:53:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:46,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 13:53:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:46,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 13:53:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:46,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 13:53:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:46,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:46,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 13:53:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-07-21 13:53:46,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:53:46,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752179646] [2022-07-21 13:53:46,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752179646] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:53:46,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:53:46,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:53:46,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535847560] [2022-07-21 13:53:46,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:53:46,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:53:46,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:53:46,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:53:46,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:53:46,101 INFO L87 Difference]: Start difference. First operand 5592 states and 7984 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-21 13:53:48,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:53:48,162 INFO L93 Difference]: Finished difference Result 11166 states and 15962 transitions. [2022-07-21 13:53:48,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:53:48,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 184 [2022-07-21 13:53:48,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:53:48,190 INFO L225 Difference]: With dead ends: 11166 [2022-07-21 13:53:48,190 INFO L226 Difference]: Without dead ends: 5603 [2022-07-21 13:53:48,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:53:48,209 INFO L413 NwaCegarLoop]: 2185 mSDtfsCounter, 2087 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 742 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 3228 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 742 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:53:48,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 3228 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [742 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 13:53:48,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5603 states. [2022-07-21 13:53:48,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5603 to 5549. [2022-07-21 13:53:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5549 states, 3768 states have (on average 1.28343949044586) internal successors, (4836), 3848 states have internal predecessors, (4836), 1531 states have call successors, (1531), 252 states have call predecessors, (1531), 247 states have return successors, (1527), 1508 states have call predecessors, (1527), 1527 states have call successors, (1527) [2022-07-21 13:53:48,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5549 states to 5549 states and 7894 transitions. [2022-07-21 13:53:48,443 INFO L78 Accepts]: Start accepts. Automaton has 5549 states and 7894 transitions. Word has length 184 [2022-07-21 13:53:48,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:53:48,444 INFO L495 AbstractCegarLoop]: Abstraction has 5549 states and 7894 transitions. [2022-07-21 13:53:48,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-21 13:53:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 5549 states and 7894 transitions. [2022-07-21 13:53:48,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-21 13:53:48,447 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:53:48,447 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:53:48,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 13:53:48,448 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)] === [2022-07-21 13:53:48,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:53:48,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1419582679, now seen corresponding path program 1 times [2022-07-21 13:53:48,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:53:48,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524235870] [2022-07-21 13:53:48,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:53:48,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:53:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:53:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:53:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:53:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:53:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:53:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:53:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:53:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:53:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:53:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:53:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:53:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:53:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:53:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 13:53:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 13:53:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-21 13:53:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 13:53:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-07-21 13:53:48,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:53:48,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524235870] [2022-07-21 13:53:48,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524235870] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:53:48,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:53:48,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:53:48,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233527222] [2022-07-21 13:53:48,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:53:48,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:53:48,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:53:48,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:53:48,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:53:48,849 INFO L87 Difference]: Start difference. First operand 5549 states and 7894 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-21 13:53:50,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:53:50,862 INFO L93 Difference]: Finished difference Result 10042 states and 14240 transitions. [2022-07-21 13:53:50,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:53:50,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 185 [2022-07-21 13:53:50,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:53:50,886 INFO L225 Difference]: With dead ends: 10042 [2022-07-21 13:53:50,886 INFO L226 Difference]: Without dead ends: 4543 [2022-07-21 13:53:50,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:53:50,906 INFO L413 NwaCegarLoop]: 1823 mSDtfsCounter, 1794 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2038 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:53:50,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2038 Valid, 2667 Invalid, 1105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 13:53:50,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4543 states. [2022-07-21 13:53:51,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4543 to 4489. [2022-07-21 13:53:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4489 states, 3070 states have (on average 1.278827361563518) internal successors, (3926), 3128 states have internal predecessors, (3926), 1185 states have call successors, (1185), 236 states have call predecessors, (1185), 231 states have return successors, (1181), 1162 states have call predecessors, (1181), 1181 states have call successors, (1181) [2022-07-21 13:53:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 6292 transitions. [2022-07-21 13:53:51,083 INFO L78 Accepts]: Start accepts. Automaton has 4489 states and 6292 transitions. Word has length 185 [2022-07-21 13:53:51,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:53:51,084 INFO L495 AbstractCegarLoop]: Abstraction has 4489 states and 6292 transitions. [2022-07-21 13:53:51,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-21 13:53:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4489 states and 6292 transitions. [2022-07-21 13:53:51,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-21 13:53:51,089 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:53:51,089 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 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] [2022-07-21 13:53:51,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 13:53:51,089 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-07-21 13:53:51,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:53:51,090 INFO L85 PathProgramCache]: Analyzing trace with hash 73015214, now seen corresponding path program 1 times [2022-07-21 13:53:51,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:53:51,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884446960] [2022-07-21 13:53:51,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:53:51,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:53:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:53:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:53:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:53:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:53:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:53:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:53:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:53:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:53:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:53:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:53:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:53:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:53:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:53:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:53:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:53:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:53:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:53:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:53:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:53:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:53:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2022-07-21 13:53:51,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:53:51,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884446960] [2022-07-21 13:53:51,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884446960] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:53:51,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:53:51,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:53:51,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18083494] [2022-07-21 13:53:51,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:53:51,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:53:51,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:53:51,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:53:51,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:53:51,531 INFO L87 Difference]: Start difference. First operand 4489 states and 6292 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 13:53:55,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:53:55,497 INFO L93 Difference]: Finished difference Result 9034 states and 12696 transitions. [2022-07-21 13:53:55,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:53:55,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 216 [2022-07-21 13:53:55,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:53:55,529 INFO L225 Difference]: With dead ends: 9034 [2022-07-21 13:53:55,530 INFO L226 Difference]: Without dead ends: 6725 [2022-07-21 13:53:55,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:53:55,541 INFO L413 NwaCegarLoop]: 3472 mSDtfsCounter, 1724 mSDsluCounter, 2723 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2044 SdHoareTripleChecker+Valid, 6195 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 627 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:53:55,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2044 Valid, 6195 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [627 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-21 13:53:55,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6725 states. [2022-07-21 13:53:55,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6725 to 6641. [2022-07-21 13:53:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6641 states, 4550 states have (on average 1.2797802197802197) internal successors, (5823), 4633 states have internal predecessors, (5823), 1745 states have call successors, (1745), 350 states have call predecessors, (1745), 343 states have return successors, (1741), 1714 states have call predecessors, (1741), 1741 states have call successors, (1741) [2022-07-21 13:53:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6641 states to 6641 states and 9309 transitions. [2022-07-21 13:53:55,782 INFO L78 Accepts]: Start accepts. Automaton has 6641 states and 9309 transitions. Word has length 216 [2022-07-21 13:53:55,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:53:55,784 INFO L495 AbstractCegarLoop]: Abstraction has 6641 states and 9309 transitions. [2022-07-21 13:53:55,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 13:53:55,784 INFO L276 IsEmpty]: Start isEmpty. Operand 6641 states and 9309 transitions. [2022-07-21 13:53:55,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-21 13:53:55,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:53:55,788 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 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] [2022-07-21 13:53:55,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 13:53:55,790 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-07-21 13:53:55,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:53:55,791 INFO L85 PathProgramCache]: Analyzing trace with hash 213563824, now seen corresponding path program 1 times [2022-07-21 13:53:55,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:53:55,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028989224] [2022-07-21 13:53:55,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:53:55,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:53:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:53:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:53:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:53:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:53:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:53:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:53:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:53:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:53:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:53:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:53:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:53:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:53:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:53:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:53:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:53:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:53:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:53:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:53:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:53:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:53:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:56,325 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2022-07-21 13:53:56,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:53:56,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028989224] [2022-07-21 13:53:56,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028989224] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:53:56,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:53:56,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:53:56,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871761444] [2022-07-21 13:53:56,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:53:56,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:53:56,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:53:56,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:53:56,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:53:56,327 INFO L87 Difference]: Start difference. First operand 6641 states and 9309 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-21 13:53:58,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:53:58,940 INFO L93 Difference]: Finished difference Result 6727 states and 9459 transitions. [2022-07-21 13:53:58,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:53:58,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 216 [2022-07-21 13:53:58,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:53:58,976 INFO L225 Difference]: With dead ends: 6727 [2022-07-21 13:53:58,976 INFO L226 Difference]: Without dead ends: 6725 [2022-07-21 13:53:58,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:53:58,982 INFO L413 NwaCegarLoop]: 1805 mSDtfsCounter, 1798 mSDsluCounter, 3222 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2035 SdHoareTripleChecker+Valid, 5027 SdHoareTripleChecker+Invalid, 2477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 658 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:53:58,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2035 Valid, 5027 Invalid, 2477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [658 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-21 13:53:58,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6725 states. [2022-07-21 13:53:59,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6725 to 6645. [2022-07-21 13:53:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6645 states, 4553 states have (on average 1.2795958708543818) internal successors, (5826), 4636 states have internal predecessors, (5826), 1745 states have call successors, (1745), 351 states have call predecessors, (1745), 344 states have return successors, (1741), 1714 states have call predecessors, (1741), 1741 states have call successors, (1741) [2022-07-21 13:53:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6645 states to 6645 states and 9312 transitions. [2022-07-21 13:53:59,213 INFO L78 Accepts]: Start accepts. Automaton has 6645 states and 9312 transitions. Word has length 216 [2022-07-21 13:53:59,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:53:59,216 INFO L495 AbstractCegarLoop]: Abstraction has 6645 states and 9312 transitions. [2022-07-21 13:53:59,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-21 13:53:59,217 INFO L276 IsEmpty]: Start isEmpty. Operand 6645 states and 9312 transitions. [2022-07-21 13:53:59,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-21 13:53:59,219 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:53:59,220 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:53:59,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 13:53:59,220 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)] === [2022-07-21 13:53:59,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:53:59,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1770913909, now seen corresponding path program 1 times [2022-07-21 13:53:59,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:53:59,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260074069] [2022-07-21 13:53:59,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:53:59,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:53:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:53:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:53:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:53:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:53:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:53:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:53:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:53:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:53:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:53:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:53:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:53:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:53:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:53:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:53:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:53:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:53:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:53:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:53:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:53:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:53:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:53:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:53:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2022-07-21 13:53:59,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:53:59,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260074069] [2022-07-21 13:53:59,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260074069] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:53:59,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:53:59,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:53:59,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079052015] [2022-07-21 13:53:59,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:53:59,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:53:59,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:53:59,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:53:59,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:53:59,595 INFO L87 Difference]: Start difference. First operand 6645 states and 9312 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-21 13:54:02,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:02,156 INFO L93 Difference]: Finished difference Result 6731 states and 9462 transitions. [2022-07-21 13:54:02,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:54:02,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 221 [2022-07-21 13:54:02,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:02,181 INFO L225 Difference]: With dead ends: 6731 [2022-07-21 13:54:02,182 INFO L226 Difference]: Without dead ends: 6729 [2022-07-21 13:54:02,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:54:02,187 INFO L413 NwaCegarLoop]: 1809 mSDtfsCounter, 1789 mSDsluCounter, 3224 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 5033 SdHoareTripleChecker+Invalid, 2476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 657 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:02,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 5033 Invalid, 2476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [657 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 13:54:02,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6729 states. [2022-07-21 13:54:02,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6729 to 6649. [2022-07-21 13:54:02,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6649 states, 4556 states have (on average 1.2794117647058822) internal successors, (5829), 4639 states have internal predecessors, (5829), 1745 states have call successors, (1745), 352 states have call predecessors, (1745), 345 states have return successors, (1741), 1714 states have call predecessors, (1741), 1741 states have call successors, (1741) [2022-07-21 13:54:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6649 states to 6649 states and 9315 transitions. [2022-07-21 13:54:02,405 INFO L78 Accepts]: Start accepts. Automaton has 6649 states and 9315 transitions. Word has length 221 [2022-07-21 13:54:02,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:02,406 INFO L495 AbstractCegarLoop]: Abstraction has 6649 states and 9315 transitions. [2022-07-21 13:54:02,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-21 13:54:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 6649 states and 9315 transitions. [2022-07-21 13:54:02,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-07-21 13:54:02,410 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:02,410 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:54:02,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 13:54:02,411 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)] === [2022-07-21 13:54:02,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:02,411 INFO L85 PathProgramCache]: Analyzing trace with hash -601996144, now seen corresponding path program 1 times [2022-07-21 13:54:02,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:02,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876911310] [2022-07-21 13:54:02,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:02,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:54:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:54:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:54:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:54:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:54:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 13:54:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:02,803 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2022-07-21 13:54:02,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:02,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876911310] [2022-07-21 13:54:02,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876911310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:02,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:02,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:54:02,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470425312] [2022-07-21 13:54:02,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:02,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:54:02,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:02,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:54:02,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:54:02,806 INFO L87 Difference]: Start difference. First operand 6649 states and 9315 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 13:54:05,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:05,485 INFO L93 Difference]: Finished difference Result 6735 states and 9465 transitions. [2022-07-21 13:54:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:54:05,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 226 [2022-07-21 13:54:05,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:05,507 INFO L225 Difference]: With dead ends: 6735 [2022-07-21 13:54:05,507 INFO L226 Difference]: Without dead ends: 6733 [2022-07-21 13:54:05,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:54:05,512 INFO L413 NwaCegarLoop]: 1808 mSDtfsCounter, 1790 mSDsluCounter, 3222 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 5030 SdHoareTripleChecker+Invalid, 2475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:05,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 5030 Invalid, 2475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 13:54:05,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6733 states. [2022-07-21 13:54:05,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6733 to 6653. [2022-07-21 13:54:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6653 states, 4559 states have (on average 1.2792279008554508) internal successors, (5832), 4642 states have internal predecessors, (5832), 1745 states have call successors, (1745), 353 states have call predecessors, (1745), 346 states have return successors, (1741), 1714 states have call predecessors, (1741), 1741 states have call successors, (1741) [2022-07-21 13:54:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6653 states to 6653 states and 9318 transitions. [2022-07-21 13:54:05,724 INFO L78 Accepts]: Start accepts. Automaton has 6653 states and 9318 transitions. Word has length 226 [2022-07-21 13:54:05,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:05,725 INFO L495 AbstractCegarLoop]: Abstraction has 6653 states and 9318 transitions. [2022-07-21 13:54:05,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 13:54:05,725 INFO L276 IsEmpty]: Start isEmpty. Operand 6653 states and 9318 transitions. [2022-07-21 13:54:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-21 13:54:05,730 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:05,730 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 5, 5, 5, 4, 3, 3, 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] [2022-07-21 13:54:05,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 13:54:05,730 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:54:05,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:05,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1720724208, now seen corresponding path program 1 times [2022-07-21 13:54:05,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:05,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743746217] [2022-07-21 13:54:05,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:05,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:54:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:05,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:54:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:06,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:54:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:06,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:54:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:06,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:54:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:54:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:54:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 13:54:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:06,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:54:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2022-07-21 13:54:06,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:06,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743746217] [2022-07-21 13:54:06,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743746217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:06,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:06,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:54:06,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285945941] [2022-07-21 13:54:06,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:06,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:54:06,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:06,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:54:06,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:54:06,049 INFO L87 Difference]: Start difference. First operand 6653 states and 9318 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-21 13:54:10,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:10,506 INFO L93 Difference]: Finished difference Result 13420 states and 18833 transitions. [2022-07-21 13:54:10,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:54:10,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 242 [2022-07-21 13:54:10,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:10,534 INFO L225 Difference]: With dead ends: 13420 [2022-07-21 13:54:10,535 INFO L226 Difference]: Without dead ends: 8947 [2022-07-21 13:54:10,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 13:54:10,552 INFO L413 NwaCegarLoop]: 3301 mSDtfsCounter, 2127 mSDsluCounter, 3200 mSDsCounter, 0 mSdLazyCounter, 2859 mSolverCounterSat, 1619 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2380 SdHoareTripleChecker+Valid, 6501 SdHoareTripleChecker+Invalid, 4478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1619 IncrementalHoareTripleChecker+Valid, 2859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:10,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2380 Valid, 6501 Invalid, 4478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1619 Valid, 2859 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-21 13:54:10,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8947 states. [2022-07-21 13:54:10,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8947 to 8807. [2022-07-21 13:54:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8807 states, 6041 states have (on average 1.2797550074490978) internal successors, (7731), 6149 states have internal predecessors, (7731), 2305 states have call successors, (2305), 467 states have call predecessors, (2305), 458 states have return successors, (2301), 2266 states have call predecessors, (2301), 2301 states have call successors, (2301) [2022-07-21 13:54:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8807 states to 8807 states and 12337 transitions. [2022-07-21 13:54:10,903 INFO L78 Accepts]: Start accepts. Automaton has 8807 states and 12337 transitions. Word has length 242 [2022-07-21 13:54:10,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:10,904 INFO L495 AbstractCegarLoop]: Abstraction has 8807 states and 12337 transitions. [2022-07-21 13:54:10,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-21 13:54:10,905 INFO L276 IsEmpty]: Start isEmpty. Operand 8807 states and 12337 transitions. [2022-07-21 13:54:10,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-07-21 13:54:10,908 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:10,908 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:54:10,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 13:54:10,908 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:54:10,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:10,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1152880363, now seen corresponding path program 1 times [2022-07-21 13:54:10,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:10,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154537542] [2022-07-21 13:54:10,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:10,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:54:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:54:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:54:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:54:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:54:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 13:54:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 13:54:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:11,288 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2022-07-21 13:54:11,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:11,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154537542] [2022-07-21 13:54:11,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154537542] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:11,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:11,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:54:11,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362108596] [2022-07-21 13:54:11,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:11,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:54:11,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:11,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:54:11,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:54:11,304 INFO L87 Difference]: Start difference. First operand 8807 states and 12337 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 13:54:14,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:54:15,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:15,694 INFO L93 Difference]: Finished difference Result 8919 states and 12531 transitions. [2022-07-21 13:54:15,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:54:15,700 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 231 [2022-07-21 13:54:15,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:15,729 INFO L225 Difference]: With dead ends: 8919 [2022-07-21 13:54:15,730 INFO L226 Difference]: Without dead ends: 8917 [2022-07-21 13:54:15,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:54:15,736 INFO L413 NwaCegarLoop]: 1809 mSDtfsCounter, 1789 mSDsluCounter, 3224 mSDsCounter, 0 mSdLazyCounter, 1818 mSolverCounterSat, 655 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 5033 SdHoareTripleChecker+Invalid, 2474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 1818 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:15,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 5033 Invalid, 2474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [655 Valid, 1818 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-07-21 13:54:15,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8917 states. [2022-07-21 13:54:16,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8917 to 8811. [2022-07-21 13:54:16,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8811 states, 6044 states have (on average 1.2796161482461945) internal successors, (7734), 6152 states have internal predecessors, (7734), 2305 states have call successors, (2305), 468 states have call predecessors, (2305), 459 states have return successors, (2301), 2266 states have call predecessors, (2301), 2301 states have call successors, (2301) [2022-07-21 13:54:16,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8811 states to 8811 states and 12340 transitions. [2022-07-21 13:54:16,090 INFO L78 Accepts]: Start accepts. Automaton has 8811 states and 12340 transitions. Word has length 231 [2022-07-21 13:54:16,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:16,091 INFO L495 AbstractCegarLoop]: Abstraction has 8811 states and 12340 transitions. [2022-07-21 13:54:16,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 13:54:16,091 INFO L276 IsEmpty]: Start isEmpty. Operand 8811 states and 12340 transitions. [2022-07-21 13:54:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-21 13:54:16,096 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:16,096 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 5, 4, 4, 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] [2022-07-21 13:54:16,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 13:54:16,097 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:54:16,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:16,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1096063120, now seen corresponding path program 1 times [2022-07-21 13:54:16,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:16,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657172285] [2022-07-21 13:54:16,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:16,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:54:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:54:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:54:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:54:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:54:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 13:54:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 13:54:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:54:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2022-07-21 13:54:16,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:16,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657172285] [2022-07-21 13:54:16,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657172285] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:16,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:16,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:54:16,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900642076] [2022-07-21 13:54:16,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:16,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:54:16,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:16,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:54:16,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:54:16,458 INFO L87 Difference]: Start difference. First operand 8811 states and 12340 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-21 13:54:18,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:18,934 INFO L93 Difference]: Finished difference Result 8923 states and 12534 transitions. [2022-07-21 13:54:18,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:54:18,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 236 [2022-07-21 13:54:18,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:18,966 INFO L225 Difference]: With dead ends: 8923 [2022-07-21 13:54:18,967 INFO L226 Difference]: Without dead ends: 8921 [2022-07-21 13:54:18,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:54:18,974 INFO L413 NwaCegarLoop]: 1809 mSDtfsCounter, 1789 mSDsluCounter, 3224 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 654 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 5033 SdHoareTripleChecker+Invalid, 2473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 654 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:18,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 5033 Invalid, 2473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [654 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 13:54:18,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8921 states. [2022-07-21 13:54:19,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8921 to 8815. [2022-07-21 13:54:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8815 states, 6047 states have (on average 1.279477426823218) internal successors, (7737), 6155 states have internal predecessors, (7737), 2305 states have call successors, (2305), 469 states have call predecessors, (2305), 460 states have return successors, (2301), 2266 states have call predecessors, (2301), 2301 states have call successors, (2301) [2022-07-21 13:54:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8815 states to 8815 states and 12343 transitions. [2022-07-21 13:54:19,296 INFO L78 Accepts]: Start accepts. Automaton has 8815 states and 12343 transitions. Word has length 236 [2022-07-21 13:54:19,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:19,296 INFO L495 AbstractCegarLoop]: Abstraction has 8815 states and 12343 transitions. [2022-07-21 13:54:19,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-21 13:54:19,297 INFO L276 IsEmpty]: Start isEmpty. Operand 8815 states and 12343 transitions. [2022-07-21 13:54:19,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-21 13:54:19,301 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:19,301 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 6, 5, 5, 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] [2022-07-21 13:54:19,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 13:54:19,302 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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)] === [2022-07-21 13:54:19,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:19,302 INFO L85 PathProgramCache]: Analyzing trace with hash -333952587, now seen corresponding path program 1 times [2022-07-21 13:54:19,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:19,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675754571] [2022-07-21 13:54:19,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:19,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:54:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:54:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:54:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:54:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:54:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 13:54:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 13:54:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:54:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 13:54:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:19,705 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2022-07-21 13:54:19,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:19,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675754571] [2022-07-21 13:54:19,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675754571] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:19,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:19,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:54:19,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933147455] [2022-07-21 13:54:19,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:19,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:54:19,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:19,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:54:19,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:54:19,707 INFO L87 Difference]: Start difference. First operand 8815 states and 12343 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 13:54:22,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:22,055 INFO L93 Difference]: Finished difference Result 8927 states and 12537 transitions. [2022-07-21 13:54:22,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:54:22,056 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 241 [2022-07-21 13:54:22,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:22,080 INFO L225 Difference]: With dead ends: 8927 [2022-07-21 13:54:22,080 INFO L226 Difference]: Without dead ends: 8925 [2022-07-21 13:54:22,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:54:22,084 INFO L413 NwaCegarLoop]: 1808 mSDtfsCounter, 1790 mSDsluCounter, 3222 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 5030 SdHoareTripleChecker+Invalid, 2472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 653 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:22,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 5030 Invalid, 2472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [653 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 13:54:22,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8925 states. [2022-07-21 13:54:22,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8925 to 8819. [2022-07-21 13:54:22,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8819 states, 6050 states have (on average 1.2793388429752066) internal successors, (7740), 6158 states have internal predecessors, (7740), 2305 states have call successors, (2305), 470 states have call predecessors, (2305), 461 states have return successors, (2301), 2266 states have call predecessors, (2301), 2301 states have call successors, (2301) [2022-07-21 13:54:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8819 states to 8819 states and 12346 transitions. [2022-07-21 13:54:22,396 INFO L78 Accepts]: Start accepts. Automaton has 8819 states and 12346 transitions. Word has length 241 [2022-07-21 13:54:22,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:22,397 INFO L495 AbstractCegarLoop]: Abstraction has 8819 states and 12346 transitions. [2022-07-21 13:54:22,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 13:54:22,397 INFO L276 IsEmpty]: Start isEmpty. Operand 8819 states and 12346 transitions. [2022-07-21 13:54:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-21 13:54:22,401 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:22,401 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 7, 6, 6, 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] [2022-07-21 13:54:22,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 13:54:22,402 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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)] === [2022-07-21 13:54:22,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:22,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1598300752, now seen corresponding path program 1 times [2022-07-21 13:54:22,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:22,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373792504] [2022-07-21 13:54:22,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:22,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:54:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:54:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:54:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:54:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:54:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 13:54:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 13:54:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:54:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 13:54:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 13:54:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:22,759 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2022-07-21 13:54:22,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:22,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373792504] [2022-07-21 13:54:22,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373792504] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:22,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:22,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:54:22,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796130607] [2022-07-21 13:54:22,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:22,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:54:22,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:22,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:54:22,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:54:22,761 INFO L87 Difference]: Start difference. First operand 8819 states and 12346 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 13:54:25,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:25,541 INFO L93 Difference]: Finished difference Result 9219 states and 12852 transitions. [2022-07-21 13:54:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:54:25,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (29), 4 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 246 [2022-07-21 13:54:25,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:25,574 INFO L225 Difference]: With dead ends: 9219 [2022-07-21 13:54:25,574 INFO L226 Difference]: Without dead ends: 9217 [2022-07-21 13:54:25,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:54:25,581 INFO L413 NwaCegarLoop]: 1810 mSDtfsCounter, 1671 mSDsluCounter, 3378 mSDsCounter, 0 mSdLazyCounter, 1999 mSolverCounterSat, 667 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1852 SdHoareTripleChecker+Valid, 5188 SdHoareTripleChecker+Invalid, 2666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 667 IncrementalHoareTripleChecker+Valid, 1999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:25,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1852 Valid, 5188 Invalid, 2666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [667 Valid, 1999 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 13:54:25,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9217 states. [2022-07-21 13:54:25,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9217 to 9111. [2022-07-21 13:54:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9111 states, 6241 states have (on average 1.275276398013139) internal successors, (7959), 6357 states have internal predecessors, (7959), 2353 states have call successors, (2353), 523 states have call predecessors, (2353), 514 states have return successors, (2349), 2314 states have call predecessors, (2349), 2349 states have call successors, (2349) [2022-07-21 13:54:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9111 states to 9111 states and 12661 transitions. [2022-07-21 13:54:26,032 INFO L78 Accepts]: Start accepts. Automaton has 9111 states and 12661 transitions. Word has length 246 [2022-07-21 13:54:26,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:26,032 INFO L495 AbstractCegarLoop]: Abstraction has 9111 states and 12661 transitions. [2022-07-21 13:54:26,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 13:54:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 9111 states and 12661 transitions. [2022-07-21 13:54:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-21 13:54:26,039 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:26,039 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 8, 7, 7, 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] [2022-07-21 13:54:26,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 13:54:26,039 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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)] === [2022-07-21 13:54:26,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:26,040 INFO L85 PathProgramCache]: Analyzing trace with hash -832861611, now seen corresponding path program 1 times [2022-07-21 13:54:26,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:26,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067423551] [2022-07-21 13:54:26,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:26,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:54:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:54:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:54:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:54:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:54:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 13:54:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 13:54:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:54:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 13:54:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 13:54:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 13:54:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:26,400 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2022-07-21 13:54:26,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:26,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067423551] [2022-07-21 13:54:26,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067423551] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:26,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:26,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:54:26,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610968685] [2022-07-21 13:54:26,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:26,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:54:26,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:26,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:54:26,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:54:26,402 INFO L87 Difference]: Start difference. First operand 9111 states and 12661 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 13:54:28,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:28,753 INFO L93 Difference]: Finished difference Result 9223 states and 12855 transitions. [2022-07-21 13:54:28,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:54:28,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 251 [2022-07-21 13:54:28,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:28,777 INFO L225 Difference]: With dead ends: 9223 [2022-07-21 13:54:28,778 INFO L226 Difference]: Without dead ends: 9221 [2022-07-21 13:54:28,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:54:28,783 INFO L413 NwaCegarLoop]: 1809 mSDtfsCounter, 1789 mSDsluCounter, 3224 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 5033 SdHoareTripleChecker+Invalid, 2470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 651 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:28,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 5033 Invalid, 2470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [651 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 13:54:28,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9221 states. [2022-07-21 13:54:29,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9221 to 9115. [2022-07-21 13:54:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9115 states, 6244 states have (on average 1.275144138372838) internal successors, (7962), 6360 states have internal predecessors, (7962), 2353 states have call successors, (2353), 524 states have call predecessors, (2353), 515 states have return successors, (2349), 2314 states have call predecessors, (2349), 2349 states have call successors, (2349) [2022-07-21 13:54:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9115 states to 9115 states and 12664 transitions. [2022-07-21 13:54:29,179 INFO L78 Accepts]: Start accepts. Automaton has 9115 states and 12664 transitions. Word has length 251 [2022-07-21 13:54:29,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:29,179 INFO L495 AbstractCegarLoop]: Abstraction has 9115 states and 12664 transitions. [2022-07-21 13:54:29,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 13:54:29,179 INFO L276 IsEmpty]: Start isEmpty. Operand 9115 states and 12664 transitions. [2022-07-21 13:54:29,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-21 13:54:29,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:29,185 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 9, 8, 8, 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] [2022-07-21 13:54:29,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-21 13:54:29,185 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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)] === [2022-07-21 13:54:29,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:29,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1236634320, now seen corresponding path program 1 times [2022-07-21 13:54:29,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:29,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025713592] [2022-07-21 13:54:29,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:29,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:54:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:54:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:54:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:54:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:54:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 13:54:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 13:54:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:54:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 13:54:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 13:54:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 13:54:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 13:54:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 918 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2022-07-21 13:54:29,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:29,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025713592] [2022-07-21 13:54:29,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025713592] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:29,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:29,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:54:29,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408038625] [2022-07-21 13:54:29,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:29,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:54:29,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:29,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:54:29,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:54:29,520 INFO L87 Difference]: Start difference. First operand 9115 states and 12664 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 13:54:31,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:31,871 INFO L93 Difference]: Finished difference Result 9227 states and 12858 transitions. [2022-07-21 13:54:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:54:31,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 256 [2022-07-21 13:54:31,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:31,896 INFO L225 Difference]: With dead ends: 9227 [2022-07-21 13:54:31,896 INFO L226 Difference]: Without dead ends: 9225 [2022-07-21 13:54:31,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:54:31,901 INFO L413 NwaCegarLoop]: 1808 mSDtfsCounter, 1790 mSDsluCounter, 3222 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 5030 SdHoareTripleChecker+Invalid, 2469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 650 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:31,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 5030 Invalid, 2469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [650 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 13:54:31,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9225 states. [2022-07-21 13:54:32,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9225 to 9119. [2022-07-21 13:54:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9119 states, 6247 states have (on average 1.275012005762766) internal successors, (7965), 6363 states have internal predecessors, (7965), 2353 states have call successors, (2353), 525 states have call predecessors, (2353), 516 states have return successors, (2349), 2314 states have call predecessors, (2349), 2349 states have call successors, (2349) [2022-07-21 13:54:32,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9119 states to 9119 states and 12667 transitions. [2022-07-21 13:54:32,265 INFO L78 Accepts]: Start accepts. Automaton has 9119 states and 12667 transitions. Word has length 256 [2022-07-21 13:54:32,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:32,266 INFO L495 AbstractCegarLoop]: Abstraction has 9119 states and 12667 transitions. [2022-07-21 13:54:32,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 13:54:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 9119 states and 12667 transitions. [2022-07-21 13:54:32,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-07-21 13:54:32,273 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:32,274 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 10, 9, 9, 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] [2022-07-21 13:54:32,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 13:54:32,274 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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)] === [2022-07-21 13:54:32,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:32,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1458582261, now seen corresponding path program 1 times [2022-07-21 13:54:32,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:32,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577619824] [2022-07-21 13:54:32,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:32,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:54:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:54:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:54:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:54:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:54:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 13:54:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 13:54:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:54:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 13:54:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 13:54:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 13:54:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 13:54:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 13:54:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:32,597 INFO L134 CoverageAnalysis]: Checked inductivity of 952 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-07-21 13:54:32,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:32,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577619824] [2022-07-21 13:54:32,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577619824] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:32,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:32,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:54:32,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216207148] [2022-07-21 13:54:32,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:32,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:54:32,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:32,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:54:32,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:54:32,601 INFO L87 Difference]: Start difference. First operand 9119 states and 12667 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 13:54:35,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:35,026 INFO L93 Difference]: Finished difference Result 9231 states and 12861 transitions. [2022-07-21 13:54:35,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:54:35,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 261 [2022-07-21 13:54:35,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:35,044 INFO L225 Difference]: With dead ends: 9231 [2022-07-21 13:54:35,044 INFO L226 Difference]: Without dead ends: 9229 [2022-07-21 13:54:35,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:54:35,046 INFO L413 NwaCegarLoop]: 1808 mSDtfsCounter, 1790 mSDsluCounter, 3222 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 5030 SdHoareTripleChecker+Invalid, 2468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 649 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:35,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 5030 Invalid, 2468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [649 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 13:54:35,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9229 states. [2022-07-21 13:54:35,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9229 to 9123. [2022-07-21 13:54:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9123 states, 6250 states have (on average 1.27488) internal successors, (7968), 6366 states have internal predecessors, (7968), 2353 states have call successors, (2353), 526 states have call predecessors, (2353), 517 states have return successors, (2349), 2314 states have call predecessors, (2349), 2349 states have call successors, (2349) [2022-07-21 13:54:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9123 states to 9123 states and 12670 transitions. [2022-07-21 13:54:35,352 INFO L78 Accepts]: Start accepts. Automaton has 9123 states and 12670 transitions. Word has length 261 [2022-07-21 13:54:35,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:35,353 INFO L495 AbstractCegarLoop]: Abstraction has 9123 states and 12670 transitions. [2022-07-21 13:54:35,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 13:54:35,353 INFO L276 IsEmpty]: Start isEmpty. Operand 9123 states and 12670 transitions. [2022-07-21 13:54:35,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-21 13:54:35,358 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:35,358 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 11, 10, 10, 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] [2022-07-21 13:54:35,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 13:54:35,359 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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)] === [2022-07-21 13:54:35,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:35,359 INFO L85 PathProgramCache]: Analyzing trace with hash 698376208, now seen corresponding path program 1 times [2022-07-21 13:54:35,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:35,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023817901] [2022-07-21 13:54:35,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:35,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:54:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:54:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:54:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:54:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:54:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 13:54:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 13:54:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:54:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 13:54:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 13:54:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 13:54:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 13:54:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 13:54:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:54:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:35,629 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2022-07-21 13:54:35,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:35,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023817901] [2022-07-21 13:54:35,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023817901] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:35,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:35,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:54:35,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633660324] [2022-07-21 13:54:35,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:35,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:54:35,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:35,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:54:35,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:54:35,632 INFO L87 Difference]: Start difference. First operand 9123 states and 12670 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 13:54:38,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:38,027 INFO L93 Difference]: Finished difference Result 9235 states and 12864 transitions. [2022-07-21 13:54:38,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:54:38,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 266 [2022-07-21 13:54:38,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:38,052 INFO L225 Difference]: With dead ends: 9235 [2022-07-21 13:54:38,053 INFO L226 Difference]: Without dead ends: 9231 [2022-07-21 13:54:38,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:54:38,058 INFO L413 NwaCegarLoop]: 1809 mSDtfsCounter, 1789 mSDsluCounter, 3224 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 648 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 5033 SdHoareTripleChecker+Invalid, 2467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:38,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 5033 Invalid, 2467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 1819 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 13:54:38,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9231 states. [2022-07-21 13:54:38,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9231 to 9125. [2022-07-21 13:54:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9125 states, 6252 states have (on average 1.2746321177223288) internal successors, (7969), 6367 states have internal predecessors, (7969), 2353 states have call successors, (2353), 527 states have call predecessors, (2353), 517 states have return successors, (2349), 2314 states have call predecessors, (2349), 2349 states have call successors, (2349) [2022-07-21 13:54:38,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9125 states to 9125 states and 12671 transitions. [2022-07-21 13:54:38,442 INFO L78 Accepts]: Start accepts. Automaton has 9125 states and 12671 transitions. Word has length 266 [2022-07-21 13:54:38,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:38,443 INFO L495 AbstractCegarLoop]: Abstraction has 9125 states and 12671 transitions. [2022-07-21 13:54:38,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 13:54:38,443 INFO L276 IsEmpty]: Start isEmpty. Operand 9125 states and 12671 transitions. [2022-07-21 13:54:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-07-21 13:54:38,449 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:38,449 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 12, 11, 11, 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] [2022-07-21 13:54:38,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 13:54:38,449 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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)] === [2022-07-21 13:54:38,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:38,450 INFO L85 PathProgramCache]: Analyzing trace with hash 2100577173, now seen corresponding path program 1 times [2022-07-21 13:54:38,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:38,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530227371] [2022-07-21 13:54:38,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:38,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:54:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 13:54:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 13:54:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:54:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:54:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 13:54:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 13:54:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:54:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 13:54:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 13:54:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 13:54:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 13:54:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 13:54:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:54:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 13:54:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2022-07-21 13:54:38,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:38,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530227371] [2022-07-21 13:54:38,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530227371] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:38,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:38,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:54:38,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532528904] [2022-07-21 13:54:38,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:38,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:54:38,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:38,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:54:38,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:54:38,776 INFO L87 Difference]: Start difference. First operand 9125 states and 12671 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 13:54:41,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:41,197 INFO L93 Difference]: Finished difference Result 9231 states and 12860 transitions. [2022-07-21 13:54:41,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:54:41,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 271 [2022-07-21 13:54:41,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:41,219 INFO L225 Difference]: With dead ends: 9231 [2022-07-21 13:54:41,220 INFO L226 Difference]: Without dead ends: 9122 [2022-07-21 13:54:41,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:54:41,223 INFO L413 NwaCegarLoop]: 1805 mSDtfsCounter, 1784 mSDsluCounter, 3222 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 5027 SdHoareTripleChecker+Invalid, 2461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:41,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 5027 Invalid, 2461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 1814 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 13:54:41,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9122 states. [2022-07-21 13:54:41,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9122 to 9016. [2022-07-21 13:54:41,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9016 states, 6184 states have (on average 1.2763583441138422) internal successors, (7893), 6293 states have internal predecessors, (7893), 2326 states have call successors, (2326), 512 states have call predecessors, (2326), 504 states have return successors, (2326), 2294 states have call predecessors, (2326), 2326 states have call successors, (2326) [2022-07-21 13:54:41,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9016 states to 9016 states and 12545 transitions. [2022-07-21 13:54:41,546 INFO L78 Accepts]: Start accepts. Automaton has 9016 states and 12545 transitions. Word has length 271 [2022-07-21 13:54:41,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:41,547 INFO L495 AbstractCegarLoop]: Abstraction has 9016 states and 12545 transitions. [2022-07-21 13:54:41,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 13:54:41,547 INFO L276 IsEmpty]: Start isEmpty. Operand 9016 states and 12545 transitions. [2022-07-21 13:54:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-07-21 13:54:41,554 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:41,554 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:54:41,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 13:54:41,554 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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)] === [2022-07-21 13:54:41,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:41,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1873851300, now seen corresponding path program 1 times [2022-07-21 13:54:41,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:41,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908353299] [2022-07-21 13:54:41,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:41,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:54:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-21 13:54:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:54:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 13:54:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:54:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:54:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 13:54:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 13:54:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 13:54:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 13:54:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:54:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 13:54:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:54:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:54:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:54:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:54:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:54:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 13:54:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 13:54:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:54:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:54:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 13:54:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:41,861 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2022-07-21 13:54:41,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:41,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908353299] [2022-07-21 13:54:41,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908353299] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:41,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:41,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:54:41,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421312676] [2022-07-21 13:54:41,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:41,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:54:41,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:41,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:54:41,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:54:41,864 INFO L87 Difference]: Start difference. First operand 9016 states and 12545 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-21 13:54:45,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:54:47,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:47,952 INFO L93 Difference]: Finished difference Result 18656 states and 25994 transitions. [2022-07-21 13:54:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:54:47,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 297 [2022-07-21 13:54:47,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:47,978 INFO L225 Difference]: With dead ends: 18656 [2022-07-21 13:54:47,979 INFO L226 Difference]: Without dead ends: 9611 [2022-07-21 13:54:47,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:54:47,998 INFO L413 NwaCegarLoop]: 2298 mSDtfsCounter, 1487 mSDsluCounter, 2871 mSDsCounter, 0 mSdLazyCounter, 2181 mSolverCounterSat, 1199 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 5169 SdHoareTripleChecker+Invalid, 3381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1199 IncrementalHoareTripleChecker+Valid, 2181 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:47,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 5169 Invalid, 3381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1199 Valid, 2181 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-07-21 13:54:48,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9611 states. [2022-07-21 13:54:48,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9611 to 9174. [2022-07-21 13:54:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9174 states, 6341 states have (on average 1.262734584450402) internal successors, (8007), 6446 states have internal predecessors, (8007), 2304 states have call successors, (2304), 533 states have call predecessors, (2304), 527 states have return successors, (2304), 2275 states have call predecessors, (2304), 2304 states have call successors, (2304) [2022-07-21 13:54:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9174 states to 9174 states and 12615 transitions. [2022-07-21 13:54:48,348 INFO L78 Accepts]: Start accepts. Automaton has 9174 states and 12615 transitions. Word has length 297 [2022-07-21 13:54:48,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:48,348 INFO L495 AbstractCegarLoop]: Abstraction has 9174 states and 12615 transitions. [2022-07-21 13:54:48,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-21 13:54:48,349 INFO L276 IsEmpty]: Start isEmpty. Operand 9174 states and 12615 transitions. [2022-07-21 13:54:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-21 13:54:48,356 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:48,356 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 12, 12, 12, 12, 12, 12, 5, 5, 5, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:54:48,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 13:54:48,357 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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)] === [2022-07-21 13:54:48,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:48,357 INFO L85 PathProgramCache]: Analyzing trace with hash 968230248, now seen corresponding path program 1 times [2022-07-21 13:54:48,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:48,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576124329] [2022-07-21 13:54:48,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:48,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:54:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:54:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:54:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:54:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 13:54:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:54:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-21 13:54:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 13:54:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-21 13:54:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 13:54:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 13:54:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 13:54:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 13:54:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-21 13:54:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 13:54:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 13:54:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:54:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:54:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:54:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:54:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-21 13:54:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 13:54:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:54:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 13:54:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 13:54:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 13:54:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1087 trivial. 0 not checked. [2022-07-21 13:54:48,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:48,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576124329] [2022-07-21 13:54:48,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576124329] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:48,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:48,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:54:48,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469269607] [2022-07-21 13:54:48,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:48,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:54:48,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:48,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:54:48,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:54:48,732 INFO L87 Difference]: Start difference. First operand 9174 states and 12615 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 13:54:53,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:53,398 INFO L93 Difference]: Finished difference Result 21161 states and 29200 transitions. [2022-07-21 13:54:53,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:54:53,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 361 [2022-07-21 13:54:53,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:54:53,433 INFO L225 Difference]: With dead ends: 21161 [2022-07-21 13:54:53,433 INFO L226 Difference]: Without dead ends: 12114 [2022-07-21 13:54:53,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:54:53,457 INFO L413 NwaCegarLoop]: 2519 mSDtfsCounter, 1443 mSDsluCounter, 3131 mSDsCounter, 0 mSdLazyCounter, 2221 mSolverCounterSat, 1108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 3329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1108 IncrementalHoareTripleChecker+Valid, 2221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:54:53,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1594 Valid, 5650 Invalid, 3329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1108 Valid, 2221 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-21 13:54:53,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12114 states. [2022-07-21 13:54:53,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12114 to 11590. [2022-07-21 13:54:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11590 states, 8034 states have (on average 1.2551655464276823) internal successors, (10084), 8162 states have internal predecessors, (10084), 2871 states have call successors, (2871), 689 states have call predecessors, (2871), 683 states have return successors, (2871), 2837 states have call predecessors, (2871), 2871 states have call successors, (2871) [2022-07-21 13:54:53,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11590 states to 11590 states and 15826 transitions. [2022-07-21 13:54:53,903 INFO L78 Accepts]: Start accepts. Automaton has 11590 states and 15826 transitions. Word has length 361 [2022-07-21 13:54:53,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:54:53,904 INFO L495 AbstractCegarLoop]: Abstraction has 11590 states and 15826 transitions. [2022-07-21 13:54:53,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 13:54:53,904 INFO L276 IsEmpty]: Start isEmpty. Operand 11590 states and 15826 transitions. [2022-07-21 13:54:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-21 13:54:53,912 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:54:53,912 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 12, 12, 12, 12, 12, 12, 7, 7, 7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:54:53,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-21 13:54:53,912 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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)] === [2022-07-21 13:54:53,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:54:53,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1751617960, now seen corresponding path program 1 times [2022-07-21 13:54:53,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:54:53,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980952259] [2022-07-21 13:54:53,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:54:53,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:54:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:54:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:54:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:54:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:54:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:54:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:54:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:54:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:54:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:54:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:54:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:54:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:54:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:54:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:54:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:54:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:54:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:54:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:54:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:54:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:54:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:54:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:54:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:54:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:54:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:54:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:54:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 13:54:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 13:54:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 13:54:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-21 13:54:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:54:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-21 13:54:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-21 13:54:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:54:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 13:54:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-21 13:54:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:54:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:54:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:54:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:54:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:54:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:54:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 13:54:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 13:54:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-21 13:54:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-21 13:54:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 13:54:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-21 13:54:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:54:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1233 trivial. 0 not checked. [2022-07-21 13:54:54,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:54:54,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980952259] [2022-07-21 13:54:54,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980952259] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:54:54,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:54:54,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:54:54,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181547884] [2022-07-21 13:54:54,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:54:54,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:54:54,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:54:54,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:54:54,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:54:54,286 INFO L87 Difference]: Start difference. First operand 11590 states and 15826 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-21 13:54:56,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:54:59,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:54:59,990 INFO L93 Difference]: Finished difference Result 26011 states and 35650 transitions. [2022-07-21 13:54:59,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:54:59,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 413 [2022-07-21 13:54:59,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:55:00,030 INFO L225 Difference]: With dead ends: 26011 [2022-07-21 13:55:00,031 INFO L226 Difference]: Without dead ends: 14476 [2022-07-21 13:55:00,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:55:00,061 INFO L413 NwaCegarLoop]: 2537 mSDtfsCounter, 1439 mSDsluCounter, 3168 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 1084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 5705 SdHoareTripleChecker+Invalid, 3287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1084 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:55:00,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 5705 Invalid, 3287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1084 Valid, 2203 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-21 13:55:00,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14476 states. [2022-07-21 13:55:00,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14476 to 13865. [2022-07-21 13:55:00,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13865 states, 9619 states have (on average 1.251377482066743) internal successors, (12037), 9770 states have internal predecessors, (12037), 3416 states have call successors, (3416), 834 states have call predecessors, (3416), 828 states have return successors, (3416), 3377 states have call predecessors, (3416), 3416 states have call successors, (3416) [2022-07-21 13:55:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13865 states to 13865 states and 18869 transitions. [2022-07-21 13:55:00,655 INFO L78 Accepts]: Start accepts. Automaton has 13865 states and 18869 transitions. Word has length 413 [2022-07-21 13:55:00,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:55:00,656 INFO L495 AbstractCegarLoop]: Abstraction has 13865 states and 18869 transitions. [2022-07-21 13:55:00,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-21 13:55:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 13865 states and 18869 transitions. [2022-07-21 13:55:00,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-21 13:55:00,663 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:55:00,664 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 12, 12, 12, 12, 12, 12, 7, 7, 7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:55:00,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 13:55:00,664 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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)] === [2022-07-21 13:55:00,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:55:00,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1181346154, now seen corresponding path program 1 times [2022-07-21 13:55:00,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:55:00,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599237689] [2022-07-21 13:55:00,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:55:00,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:55:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:55:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:55:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:55:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:55:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:55:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:55:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:55:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:55:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:55:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:55:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:55:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:55:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:55:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:55:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:55:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:55:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:55:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:55:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:55:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:55:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:55:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:55:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:55:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:55:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 13:55:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 13:55:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 13:55:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-21 13:55:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:55:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-21 13:55:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-21 13:55:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:55:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 13:55:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-21 13:55:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:55:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:55:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:55:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 13:55:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 13:55:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-21 13:55:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-21 13:55:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 13:55:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-21 13:55:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1233 trivial. 0 not checked. [2022-07-21 13:55:00,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:55:00,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599237689] [2022-07-21 13:55:00,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599237689] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:55:00,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:55:00,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:55:00,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114850375] [2022-07-21 13:55:00,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:55:01,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:55:01,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:55:01,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:55:01,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:55:01,001 INFO L87 Difference]: Start difference. First operand 13865 states and 18869 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-21 13:55:06,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:55:06,812 INFO L93 Difference]: Finished difference Result 32370 states and 44147 transitions. [2022-07-21 13:55:06,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:55:06,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 413 [2022-07-21 13:55:06,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:55:06,863 INFO L225 Difference]: With dead ends: 32370 [2022-07-21 13:55:06,863 INFO L226 Difference]: Without dead ends: 18632 [2022-07-21 13:55:06,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:55:06,894 INFO L413 NwaCegarLoop]: 2571 mSDtfsCounter, 2153 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 2189 mSolverCounterSat, 1340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2395 SdHoareTripleChecker+Valid, 5300 SdHoareTripleChecker+Invalid, 3529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1340 IncrementalHoareTripleChecker+Valid, 2189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:55:06,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2395 Valid, 5300 Invalid, 3529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1340 Valid, 2189 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-21 13:55:06,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18632 states. [2022-07-21 13:55:07,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18632 to 17799. [2022-07-21 13:55:07,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17799 states, 12260 states have (on average 1.2427406199021207) internal successors, (15236), 12458 states have internal predecessors, (15236), 4424 states have call successors, (4424), 1122 states have call predecessors, (4424), 1113 states have return successors, (4424), 4377 states have call predecessors, (4424), 4424 states have call successors, (4424) [2022-07-21 13:55:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17799 states to 17799 states and 24084 transitions. [2022-07-21 13:55:07,695 INFO L78 Accepts]: Start accepts. Automaton has 17799 states and 24084 transitions. Word has length 413 [2022-07-21 13:55:07,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:55:07,696 INFO L495 AbstractCegarLoop]: Abstraction has 17799 states and 24084 transitions. [2022-07-21 13:55:07,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-21 13:55:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand 17799 states and 24084 transitions. [2022-07-21 13:55:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-07-21 13:55:07,707 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:55:07,708 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 14, 14, 13, 13, 13, 13, 13, 13, 9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:55:07,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-21 13:55:07,708 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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)] === [2022-07-21 13:55:07,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:55:07,708 INFO L85 PathProgramCache]: Analyzing trace with hash 472744341, now seen corresponding path program 1 times [2022-07-21 13:55:07,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:55:07,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999281787] [2022-07-21 13:55:07,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:55:07,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:55:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:55:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:55:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:55:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:55:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:55:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:55:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:55:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:55:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:55:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:55:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:55:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:55:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:55:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:55:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:55:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:55:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:55:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:55:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:55:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:55:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:55:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:55:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:55:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:55:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:55:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:55:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:55:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:55:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-21 13:55:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:55:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-21 13:55:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 13:55:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 13:55:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-21 13:55:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 13:55:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:07,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 13:55:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 13:55:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 13:55:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 13:55:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-21 13:55:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 13:55:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-21 13:55:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:55:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:55:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-21 13:55:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-21 13:55:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-21 13:55:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-21 13:55:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-21 13:55:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-21 13:55:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1630 trivial. 0 not checked. [2022-07-21 13:55:08,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:55:08,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999281787] [2022-07-21 13:55:08,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999281787] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:55:08,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:55:08,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:55:08,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240544156] [2022-07-21 13:55:08,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:55:08,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:55:08,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:55:08,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:55:08,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:55:08,063 INFO L87 Difference]: Start difference. First operand 17799 states and 24084 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-07-21 13:55:13,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:55:13,130 INFO L93 Difference]: Finished difference Result 38801 states and 52699 transitions. [2022-07-21 13:55:13,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:55:13,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 495 [2022-07-21 13:55:13,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:55:13,194 INFO L225 Difference]: With dead ends: 38801 [2022-07-21 13:55:13,194 INFO L226 Difference]: Without dead ends: 21129 [2022-07-21 13:55:13,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:55:13,234 INFO L413 NwaCegarLoop]: 2248 mSDtfsCounter, 1540 mSDsluCounter, 2836 mSDsCounter, 0 mSdLazyCounter, 2137 mSolverCounterSat, 1270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 5084 SdHoareTripleChecker+Invalid, 3407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1270 IncrementalHoareTripleChecker+Valid, 2137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:55:13,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 5084 Invalid, 3407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1270 Valid, 2137 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-21 13:55:13,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21129 states. [2022-07-21 13:55:13,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21129 to 20209. [2022-07-21 13:55:14,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20209 states, 13965 states have (on average 1.2414607948442535) internal successors, (17337), 14186 states have internal predecessors, (17337), 4979 states have call successors, (4979), 1272 states have call predecessors, (4979), 1263 states have return successors, (4979), 4927 states have call predecessors, (4979), 4979 states have call successors, (4979) [2022-07-21 13:55:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20209 states to 20209 states and 27295 transitions. [2022-07-21 13:55:14,067 INFO L78 Accepts]: Start accepts. Automaton has 20209 states and 27295 transitions. Word has length 495 [2022-07-21 13:55:14,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:55:14,067 INFO L495 AbstractCegarLoop]: Abstraction has 20209 states and 27295 transitions. [2022-07-21 13:55:14,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-07-21 13:55:14,068 INFO L276 IsEmpty]: Start isEmpty. Operand 20209 states and 27295 transitions. [2022-07-21 13:55:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-07-21 13:55:14,080 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:55:14,080 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 14, 14, 13, 13, 13, 13, 13, 13, 9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:55:14,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-21 13:55:14,080 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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)] === [2022-07-21 13:55:14,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:55:14,080 INFO L85 PathProgramCache]: Analyzing trace with hash -97527465, now seen corresponding path program 1 times [2022-07-21 13:55:14,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:55:14,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135072726] [2022-07-21 13:55:14,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:55:14,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:55:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:55:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:55:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:55:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:55:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:55:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:55:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:55:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:55:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:55:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:55:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:55:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:55:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:55:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:55:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:55:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:55:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:55:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:55:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:55:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:55:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:55:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:55:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:55:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:55:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:55:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:55:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:55:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:55:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-21 13:55:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:55:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-21 13:55:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 13:55:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 13:55:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-21 13:55:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 13:55:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 13:55:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 13:55:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 13:55:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 13:55:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-21 13:55:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 13:55:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-21 13:55:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:55:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:55:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-21 13:55:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-21 13:55:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-21 13:55:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-21 13:55:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-21 13:55:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-21 13:55:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:14,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1630 trivial. 0 not checked. [2022-07-21 13:55:14,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:55:14,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135072726] [2022-07-21 13:55:14,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135072726] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:55:14,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:55:14,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:55:14,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504999748] [2022-07-21 13:55:14,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:55:14,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:55:14,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:55:14,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:55:14,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:55:14,562 INFO L87 Difference]: Start difference. First operand 20209 states and 27295 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-07-21 13:55:19,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:55:19,883 INFO L93 Difference]: Finished difference Result 43636 states and 59163 transitions. [2022-07-21 13:55:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:55:19,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 495 [2022-07-21 13:55:19,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:55:19,946 INFO L225 Difference]: With dead ends: 43636 [2022-07-21 13:55:19,946 INFO L226 Difference]: Without dead ends: 23554 [2022-07-21 13:55:19,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:55:19,983 INFO L413 NwaCegarLoop]: 2510 mSDtfsCounter, 1448 mSDsluCounter, 3137 mSDsCounter, 0 mSdLazyCounter, 2202 mSolverCounterSat, 1104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1601 SdHoareTripleChecker+Valid, 5647 SdHoareTripleChecker+Invalid, 3306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1104 IncrementalHoareTripleChecker+Valid, 2202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:55:19,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1601 Valid, 5647 Invalid, 3306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1104 Valid, 2202 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-21 13:55:19,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23554 states. [2022-07-21 13:55:20,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23554 to 22547. [2022-07-21 13:55:20,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22547 states, 15610 states have (on average 1.240614990390775) internal successors, (19366), 15854 states have internal predecessors, (19366), 5528 states have call successors, (5528), 1416 states have call predecessors, (5528), 1407 states have return successors, (5528), 5471 states have call predecessors, (5528), 5528 states have call successors, (5528) [2022-07-21 13:55:20,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 30422 transitions. [2022-07-21 13:55:20,879 INFO L78 Accepts]: Start accepts. Automaton has 22547 states and 30422 transitions. Word has length 495 [2022-07-21 13:55:20,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:55:20,880 INFO L495 AbstractCegarLoop]: Abstraction has 22547 states and 30422 transitions. [2022-07-21 13:55:20,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-07-21 13:55:20,880 INFO L276 IsEmpty]: Start isEmpty. Operand 22547 states and 30422 transitions. [2022-07-21 13:55:20,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2022-07-21 13:55:20,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:55:20,893 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 14, 14, 14, 14, 14, 14, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:55:20,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-21 13:55:20,894 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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)] === [2022-07-21 13:55:20,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:55:20,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1031324384, now seen corresponding path program 1 times [2022-07-21 13:55:20,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:55:20,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993569179] [2022-07-21 13:55:20,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:55:20,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:55:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:55:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:55:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:55:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:55:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:55:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:55:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:55:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:55:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:55:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:55:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:55:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:55:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:55:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:55:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:55:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:55:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:55:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:55:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:55:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:55:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:55:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:55:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:55:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:55:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:55:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:55:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:55:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:55:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-21 13:55:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:55:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-21 13:55:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:55:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 13:55:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:55:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 13:55:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 13:55:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-21 13:55:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 13:55:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 13:55:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-21 13:55:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 13:55:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-21 13:55:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-21 13:55:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-21 13:55:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-21 13:55:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-07-21 13:55:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-21 13:55:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-21 13:55:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 13:55:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:21,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1758 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2022-07-21 13:55:21,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:55:21,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993569179] [2022-07-21 13:55:21,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993569179] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:55:21,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:55:21,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:55:21,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319699417] [2022-07-21 13:55:21,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:55:21,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:55:21,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:55:21,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:55:21,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:55:21,529 INFO L87 Difference]: Start difference. First operand 22547 states and 30422 transitions. Second operand has 5 states, 5 states have (on average 42.6) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-21 13:55:23,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:55:27,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:55:27,298 INFO L93 Difference]: Finished difference Result 54984 states and 75392 transitions. [2022-07-21 13:55:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:55:27,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.6) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 523 [2022-07-21 13:55:27,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:55:27,383 INFO L225 Difference]: With dead ends: 54984 [2022-07-21 13:55:27,383 INFO L226 Difference]: Without dead ends: 32564 [2022-07-21 13:55:27,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:55:27,421 INFO L413 NwaCegarLoop]: 2433 mSDtfsCounter, 1312 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 4909 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:55:27,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 4909 Invalid, 2322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-21 13:55:27,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32564 states. [2022-07-21 13:55:28,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32564 to 22553. [2022-07-21 13:55:28,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22553 states, 15616 states have (on average 1.2405225409836065) internal successors, (19372), 15860 states have internal predecessors, (19372), 5528 states have call successors, (5528), 1416 states have call predecessors, (5528), 1407 states have return successors, (5528), 5471 states have call predecessors, (5528), 5528 states have call successors, (5528) [2022-07-21 13:55:28,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22553 states to 22553 states and 30428 transitions. [2022-07-21 13:55:28,514 INFO L78 Accepts]: Start accepts. Automaton has 22553 states and 30428 transitions. Word has length 523 [2022-07-21 13:55:28,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:55:28,515 INFO L495 AbstractCegarLoop]: Abstraction has 22553 states and 30428 transitions. [2022-07-21 13:55:28,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.6) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-21 13:55:28,515 INFO L276 IsEmpty]: Start isEmpty. Operand 22553 states and 30428 transitions. [2022-07-21 13:55:28,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-07-21 13:55:28,528 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:55:28,528 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 14, 14, 13, 13, 13, 13, 13, 13, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:55:28,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-21 13:55:28,528 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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)] === [2022-07-21 13:55:28,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:55:28,529 INFO L85 PathProgramCache]: Analyzing trace with hash 2134190952, now seen corresponding path program 1 times [2022-07-21 13:55:28,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:55:28,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182188433] [2022-07-21 13:55:28,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:55:28,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:55:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:55:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:55:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:55:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:55:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:55:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:55:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:55:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:55:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:55:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:55:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:55:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:55:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:55:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:55:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:55:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:55:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:55:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:55:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:55:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:55:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:55:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:55:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:55:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:55:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:55:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:55:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:55:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:55:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-21 13:55:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:55:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 13:55:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-21 13:55:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 13:55:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 13:55:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-21 13:55:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-21 13:55:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 13:55:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-21 13:55:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-21 13:55:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-21 13:55:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 13:55:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-21 13:55:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-21 13:55:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-21 13:55:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-21 13:55:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:55:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:55:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-21 13:55:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-21 13:55:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-21 13:55:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-21 13:55:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-21 13:55:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-21 13:55:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2022-07-21 13:55:29,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:55:29,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182188433] [2022-07-21 13:55:29,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182188433] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:55:29,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:55:29,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:55:29,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989388097] [2022-07-21 13:55:29,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:55:29,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:55:29,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:55:29,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:55:29,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:55:29,077 INFO L87 Difference]: Start difference. First operand 22553 states and 30428 transitions. Second operand has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (65), 4 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-21 13:55:36,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:55:36,363 INFO L93 Difference]: Finished difference Result 48429 states and 65532 transitions. [2022-07-21 13:55:36,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 13:55:36,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (65), 4 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) Word has length 535 [2022-07-21 13:55:36,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:55:36,422 INFO L225 Difference]: With dead ends: 48429 [2022-07-21 13:55:36,422 INFO L226 Difference]: Without dead ends: 26003 [2022-07-21 13:55:36,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:55:36,456 INFO L413 NwaCegarLoop]: 2542 mSDtfsCounter, 1545 mSDsluCounter, 6446 mSDsCounter, 0 mSdLazyCounter, 4539 mSolverCounterSat, 1129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 8988 SdHoareTripleChecker+Invalid, 5668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1129 IncrementalHoareTripleChecker+Valid, 4539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:55:36,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 8988 Invalid, 5668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1129 Valid, 4539 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-07-21 13:55:36,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26003 states. [2022-07-21 13:55:37,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26003 to 24897. [2022-07-21 13:55:37,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24897 states, 17249 states have (on average 1.2400139138500783) internal successors, (21389), 17516 states have internal predecessors, (21389), 6077 states have call successors, (6077), 1572 states have call predecessors, (6077), 1569 states have return successors, (6083), 6021 states have call predecessors, (6083), 6077 states have call successors, (6083) [2022-07-21 13:55:37,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24897 states to 24897 states and 33549 transitions. [2022-07-21 13:55:37,535 INFO L78 Accepts]: Start accepts. Automaton has 24897 states and 33549 transitions. Word has length 535 [2022-07-21 13:55:37,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:55:37,536 INFO L495 AbstractCegarLoop]: Abstraction has 24897 states and 33549 transitions. [2022-07-21 13:55:37,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (65), 4 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-21 13:55:37,536 INFO L276 IsEmpty]: Start isEmpty. Operand 24897 states and 33549 transitions. [2022-07-21 13:55:37,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2022-07-21 13:55:37,548 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:55:37,549 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 14, 14, 14, 14, 14, 14, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:55:37,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-21 13:55:37,549 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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)] === [2022-07-21 13:55:37,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:55:37,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1767832128, now seen corresponding path program 1 times [2022-07-21 13:55:37,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:55:37,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934572159] [2022-07-21 13:55:37,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:55:37,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:55:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:55:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:55:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:55:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:55:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:55:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:55:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:55:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:55:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:55:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:55:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:55:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:55:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:55:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:55:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:55:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:55:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:55:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:55:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:55:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:55:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:55:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:55:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:55:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:55:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:37,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:55:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:55:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:55:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:55:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-21 13:55:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:55:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 13:55:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 13:55:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:55:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 13:55:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:55:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 13:55:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 13:55:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 13:55:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 13:55:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-21 13:55:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-21 13:55:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-21 13:55:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-21 13:55:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-07-21 13:55:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-21 13:55:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 13:55:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-21 13:55:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-21 13:55:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-21 13:55:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-21 13:55:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:38,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1758 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2022-07-21 13:55:38,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:55:38,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934572159] [2022-07-21 13:55:38,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934572159] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:55:38,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:55:38,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:55:38,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528756411] [2022-07-21 13:55:38,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:55:38,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:55:38,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:55:38,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:55:38,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:55:38,123 INFO L87 Difference]: Start difference. First operand 24897 states and 33549 transitions. Second operand has 5 states, 5 states have (on average 43.4) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-07-21 13:55:42,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:55:42,061 INFO L93 Difference]: Finished difference Result 49951 states and 67431 transitions. [2022-07-21 13:55:42,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:55:42,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 43.4) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 529 [2022-07-21 13:55:42,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:55:42,132 INFO L225 Difference]: With dead ends: 49951 [2022-07-21 13:55:42,132 INFO L226 Difference]: Without dead ends: 25181 [2022-07-21 13:55:42,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:55:42,183 INFO L413 NwaCegarLoop]: 1733 mSDtfsCounter, 671 mSDsluCounter, 1945 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 3678 SdHoareTripleChecker+Invalid, 2023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 794 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:55:42,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 3678 Invalid, 2023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [794 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 13:55:42,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25181 states. [2022-07-21 13:55:43,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25181 to 24903. [2022-07-21 13:55:43,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24903 states, 17255 states have (on average 1.239930454940597) internal successors, (21395), 17522 states have internal predecessors, (21395), 6077 states have call successors, (6077), 1572 states have call predecessors, (6077), 1569 states have return successors, (6083), 6021 states have call predecessors, (6083), 6077 states have call successors, (6083) [2022-07-21 13:55:43,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24903 states to 24903 states and 33555 transitions. [2022-07-21 13:55:43,379 INFO L78 Accepts]: Start accepts. Automaton has 24903 states and 33555 transitions. Word has length 529 [2022-07-21 13:55:43,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:55:43,380 INFO L495 AbstractCegarLoop]: Abstraction has 24903 states and 33555 transitions. [2022-07-21 13:55:43,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.4) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-07-21 13:55:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 24903 states and 33555 transitions. [2022-07-21 13:55:43,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-07-21 13:55:43,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:55:43,393 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 14, 14, 13, 13, 13, 13, 13, 13, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:55:43,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-21 13:55:43,394 INFO L420 AbstractCegarLoop]: === Iteration 28 === 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)] === [2022-07-21 13:55:43,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:55:43,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1416591671, now seen corresponding path program 1 times [2022-07-21 13:55:43,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:55:43,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581136150] [2022-07-21 13:55:43,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:55:43,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:55:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:55:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:55:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:55:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:55:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:55:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:55:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:55:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:55:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:55:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:55:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:55:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:55:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:55:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:55:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:55:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:55:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:55:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:55:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:55:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:55:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:55:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:55:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:55:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:55:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:55:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:55:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:55:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:55:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-21 13:55:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:55:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 13:55:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-21 13:55:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-21 13:55:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 13:55:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 13:55:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 13:55:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 13:55:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 13:55:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-21 13:55:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-21 13:55:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-21 13:55:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-21 13:55:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-07-21 13:55:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-21 13:55:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-21 13:55:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:55:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:55:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-21 13:55:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-21 13:55:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-21 13:55:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-21 13:55:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-21 13:55:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-21 13:55:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:43,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2022-07-21 13:55:43,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:55:43,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581136150] [2022-07-21 13:55:43,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581136150] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:55:43,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:55:43,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:55:43,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024393164] [2022-07-21 13:55:43,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:55:43,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:55:43,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:55:43,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:55:43,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:55:43,779 INFO L87 Difference]: Start difference. First operand 24903 states and 33555 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (65), 4 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-21 13:55:50,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:55:50,852 INFO L93 Difference]: Finished difference Result 53204 states and 71942 transitions. [2022-07-21 13:55:50,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 13:55:50,852 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (65), 4 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) Word has length 536 [2022-07-21 13:55:50,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:55:50,940 INFO L225 Difference]: With dead ends: 53204 [2022-07-21 13:55:50,940 INFO L226 Difference]: Without dead ends: 28428 [2022-07-21 13:55:51,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:55:51,002 INFO L413 NwaCegarLoop]: 2553 mSDtfsCounter, 1457 mSDsluCounter, 6480 mSDsCounter, 0 mSdLazyCounter, 4529 mSolverCounterSat, 1076 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1611 SdHoareTripleChecker+Valid, 9033 SdHoareTripleChecker+Invalid, 5605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1076 IncrementalHoareTripleChecker+Valid, 4529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:55:51,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1611 Valid, 9033 Invalid, 5605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1076 Valid, 4529 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-21 13:55:51,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28428 states. [2022-07-21 13:55:52,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28428 to 27235. [2022-07-21 13:55:52,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27235 states, 18888 states have (on average 1.2395171537484118) internal successors, (23412), 19178 states have internal predecessors, (23412), 6626 states have call successors, (6626), 1716 states have call predecessors, (6626), 1719 states have return successors, (6638), 6571 states have call predecessors, (6638), 6626 states have call successors, (6638) [2022-07-21 13:55:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27235 states to 27235 states and 36676 transitions. [2022-07-21 13:55:52,451 INFO L78 Accepts]: Start accepts. Automaton has 27235 states and 36676 transitions. Word has length 536 [2022-07-21 13:55:52,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:55:52,451 INFO L495 AbstractCegarLoop]: Abstraction has 27235 states and 36676 transitions. [2022-07-21 13:55:52,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (65), 4 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-21 13:55:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 27235 states and 36676 transitions. [2022-07-21 13:55:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2022-07-21 13:55:52,465 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:55:52,466 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 14, 14, 14, 14, 14, 14, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:55:52,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-21 13:55:52,466 INFO L420 AbstractCegarLoop]: === Iteration 29 === 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)] === [2022-07-21 13:55:52,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:55:52,466 INFO L85 PathProgramCache]: Analyzing trace with hash -561191129, now seen corresponding path program 1 times [2022-07-21 13:55:52,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:55:52,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591471461] [2022-07-21 13:55:52,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:55:52,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:55:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:55:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:55:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:55:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:55:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:55:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:55:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:55:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:55:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:55:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:55:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:55:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:55:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:55:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:55:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:55:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:55:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:55:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:55:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:55:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:55:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:55:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:55:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:55:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:55:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:55:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:55:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:55:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:55:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:55:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:55:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-21 13:55:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:55:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 13:55:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 13:55:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:55:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 13:55:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:55:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 13:55:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 13:55:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-21 13:55:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-21 13:55:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-21 13:55:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 13:55:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 13:55:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-21 13:55:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-21 13:55:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-21 13:55:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-21 13:55:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:55:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-21 13:55:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-21 13:55:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-21 13:55:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-21 13:55:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:55:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1758 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2022-07-21 13:55:52,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:55:52,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591471461] [2022-07-21 13:55:52,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591471461] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:55:52,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:55:52,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:55:52,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499133330] [2022-07-21 13:55:52,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:55:52,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:55:52,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:55:52,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:55:52,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:55:52,879 INFO L87 Difference]: Start difference. First operand 27235 states and 36676 transitions. Second operand has 5 states, 5 states have (on average 43.6) internal successors, (218), 3 states have internal predecessors, (218), 3 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-07-21 13:55:56,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:55:59,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:55:59,958 INFO L93 Difference]: Finished difference Result 54705 states and 73877 transitions. [2022-07-21 13:55:59,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:55:59,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 43.6) internal successors, (218), 3 states have internal predecessors, (218), 3 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 530 [2022-07-21 13:55:59,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:56:00,050 INFO L225 Difference]: With dead ends: 54705 [2022-07-21 13:56:00,050 INFO L226 Difference]: Without dead ends: 27597 [2022-07-21 13:56:00,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:56:00,118 INFO L413 NwaCegarLoop]: 1736 mSDtfsCounter, 369 mSDsluCounter, 2482 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 396 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 4218 SdHoareTripleChecker+Invalid, 2181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:56:00,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 4218 Invalid, 2181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 1784 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-07-21 13:56:00,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27597 states. [2022-07-21 13:56:01,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27597 to 27277. [2022-07-21 13:56:01,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27277 states, 18912 states have (on average 1.2395304568527918) internal successors, (23442), 19202 states have internal predecessors, (23442), 6644 states have call successors, (6644), 1716 states have call predecessors, (6644), 1719 states have return successors, (6656), 6589 states have call predecessors, (6656), 6644 states have call successors, (6656) [2022-07-21 13:56:01,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27277 states to 27277 states and 36742 transitions. [2022-07-21 13:56:01,509 INFO L78 Accepts]: Start accepts. Automaton has 27277 states and 36742 transitions. Word has length 530 [2022-07-21 13:56:01,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:56:01,509 INFO L495 AbstractCegarLoop]: Abstraction has 27277 states and 36742 transitions. [2022-07-21 13:56:01,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.6) internal successors, (218), 3 states have internal predecessors, (218), 3 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-07-21 13:56:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 27277 states and 36742 transitions. [2022-07-21 13:56:01,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2022-07-21 13:56:01,627 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:56:01,627 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 14, 14, 13, 13, 13, 13, 13, 13, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:56:01,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-07-21 13:56:01,628 INFO L420 AbstractCegarLoop]: === Iteration 30 === 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)] === [2022-07-21 13:56:01,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:56:01,628 INFO L85 PathProgramCache]: Analyzing trace with hash 234229125, now seen corresponding path program 1 times [2022-07-21 13:56:01,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:56:01,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604755911] [2022-07-21 13:56:01,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:01,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:56:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:56:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:56:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:56:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:56:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:56:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:56:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:56:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:56:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:56:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:56:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:56:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:56:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:56:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:56:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:56:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:56:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:56:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:56:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:56:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:56:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:56:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:56:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:56:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:56:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:56:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:56:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:56:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:56:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-21 13:56:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:56:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 13:56:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-21 13:56:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 13:56:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-21 13:56:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-21 13:56:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 13:56:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-21 13:56:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:56:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-21 13:56:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-21 13:56:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-21 13:56:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-21 13:56:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-21 13:56:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-21 13:56:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-21 13:56:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:56:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:56:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-21 13:56:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-21 13:56:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-21 13:56:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-21 13:56:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-21 13:56:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-07-21 13:56:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 1834 trivial. 0 not checked. [2022-07-21 13:56:02,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:56:02,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604755911] [2022-07-21 13:56:02,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604755911] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 13:56:02,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804962263] [2022-07-21 13:56:02,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:02,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 13:56:02,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:56:02,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 13:56:02,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 13:56:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:03,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 4998 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:56:03,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:56:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2022-07-21 13:56:03,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:56:03,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804962263] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:56:03,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:56:03,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-07-21 13:56:03,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257740134] [2022-07-21 13:56:03,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:56:03,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:56:03,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:56:03,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:56:03,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:56:03,125 INFO L87 Difference]: Start difference. First operand 27277 states and 36742 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-07-21 13:56:04,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:56:04,210 INFO L93 Difference]: Finished difference Result 54439 states and 73384 transitions. [2022-07-21 13:56:04,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:56:04,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 537 [2022-07-21 13:56:04,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:56:04,271 INFO L225 Difference]: With dead ends: 54439 [2022-07-21 13:56:04,271 INFO L226 Difference]: Without dead ends: 27289 [2022-07-21 13:56:04,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 688 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:56:04,315 INFO L413 NwaCegarLoop]: 1856 mSDtfsCounter, 0 mSDsluCounter, 1852 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3708 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:56:04,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3708 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 13:56:04,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27289 states. [2022-07-21 13:56:05,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27289 to 27289. [2022-07-21 13:56:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27289 states, 18924 states have (on average 1.2393785668991757) internal successors, (23454), 19214 states have internal predecessors, (23454), 6644 states have call successors, (6644), 1716 states have call predecessors, (6644), 1719 states have return successors, (6656), 6589 states have call predecessors, (6656), 6644 states have call successors, (6656) [2022-07-21 13:56:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27289 states to 27289 states and 36754 transitions. [2022-07-21 13:56:05,564 INFO L78 Accepts]: Start accepts. Automaton has 27289 states and 36754 transitions. Word has length 537 [2022-07-21 13:56:05,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:56:05,564 INFO L495 AbstractCegarLoop]: Abstraction has 27289 states and 36754 transitions. [2022-07-21 13:56:05,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-07-21 13:56:05,564 INFO L276 IsEmpty]: Start isEmpty. Operand 27289 states and 36754 transitions. [2022-07-21 13:56:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2022-07-21 13:56:05,577 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:56:05,577 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 14, 14, 13, 13, 13, 13, 13, 13, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:56:05,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 13:56:05,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 13:56:05,792 INFO L420 AbstractCegarLoop]: === Iteration 31 === 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)] === [2022-07-21 13:56:05,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:56:05,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1181267011, now seen corresponding path program 1 times [2022-07-21 13:56:05,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:56:05,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050067950] [2022-07-21 13:56:05,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:05,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:56:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:56:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:56:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:56:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:56:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:56:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:56:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:56:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:56:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:56:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:56:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:56:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:56:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:56:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:56:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:56:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:56:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:56:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:56:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:56:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:56:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:56:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:56:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:56:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:56:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:56:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:56:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:56:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:56:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-21 13:56:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:56:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 13:56:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-21 13:56:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 13:56:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-21 13:56:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-21 13:56:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 13:56:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-21 13:56:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:56:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-21 13:56:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-21 13:56:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-21 13:56:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-21 13:56:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-21 13:56:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-21 13:56:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-21 13:56:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:56:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:56:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-21 13:56:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-21 13:56:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-21 13:56:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-21 13:56:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-21 13:56:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-07-21 13:56:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 1834 trivial. 0 not checked. [2022-07-21 13:56:06,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:56:06,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050067950] [2022-07-21 13:56:06,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050067950] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 13:56:06,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179004506] [2022-07-21 13:56:06,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:06,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 13:56:06,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:56:06,303 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 13:56:06,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 13:56:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:07,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 5001 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:56:07,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:56:07,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 1743 trivial. 0 not checked. [2022-07-21 13:56:07,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:56:07,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179004506] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:56:07,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:56:07,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-07-21 13:56:07,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703300662] [2022-07-21 13:56:07,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:56:07,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:56:07,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:56:07,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:56:07,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:56:07,237 INFO L87 Difference]: Start difference. First operand 27289 states and 36754 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-07-21 13:56:08,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:56:08,532 INFO L93 Difference]: Finished difference Result 54583 states and 73681 transitions. [2022-07-21 13:56:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:56:08,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 537 [2022-07-21 13:56:08,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:56:08,607 INFO L225 Difference]: With dead ends: 54583 [2022-07-21 13:56:08,607 INFO L226 Difference]: Without dead ends: 27421 [2022-07-21 13:56:08,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 688 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:56:08,665 INFO L413 NwaCegarLoop]: 1855 mSDtfsCounter, 2 mSDsluCounter, 1850 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3705 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:56:08,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3705 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 13:56:08,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27421 states. [2022-07-21 13:56:09,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27421 to 27322. [2022-07-21 13:56:09,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27322 states, 18957 states have (on average 1.2389618610539643) internal successors, (23487), 19247 states have internal predecessors, (23487), 6644 states have call successors, (6644), 1716 states have call predecessors, (6644), 1719 states have return successors, (6656), 6589 states have call predecessors, (6656), 6644 states have call successors, (6656) [2022-07-21 13:56:09,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27322 states to 27322 states and 36787 transitions. [2022-07-21 13:56:09,967 INFO L78 Accepts]: Start accepts. Automaton has 27322 states and 36787 transitions. Word has length 537 [2022-07-21 13:56:09,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:56:09,968 INFO L495 AbstractCegarLoop]: Abstraction has 27322 states and 36787 transitions. [2022-07-21 13:56:09,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-07-21 13:56:09,968 INFO L276 IsEmpty]: Start isEmpty. Operand 27322 states and 36787 transitions. [2022-07-21 13:56:09,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2022-07-21 13:56:09,981 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:56:09,981 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 14, 14, 14, 14, 14, 14, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:56:10,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 13:56:10,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-07-21 13:56:10,187 INFO L420 AbstractCegarLoop]: === Iteration 32 === 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)] === [2022-07-21 13:56:10,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:56:10,188 INFO L85 PathProgramCache]: Analyzing trace with hash 479447485, now seen corresponding path program 1 times [2022-07-21 13:56:10,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:56:10,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362430003] [2022-07-21 13:56:10,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:10,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:56:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:56:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:56:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:56:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:56:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:56:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:56:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:56:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:56:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:56:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:56:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:56:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:56:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:56:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:56:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:56:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:56:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:56:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:56:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:56:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:56:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:56:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:56:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:56:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:56:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:56:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:56:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:56:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:56:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-21 13:56:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:56:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 13:56:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 13:56:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:56:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 13:56:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 13:56:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 13:56:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 13:56:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 13:56:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 13:56:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 13:56:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 13:56:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:56:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-21 13:56:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-21 13:56:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-21 13:56:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-21 13:56:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-21 13:56:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-21 13:56:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-21 13:56:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-21 13:56:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:10,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1758 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2022-07-21 13:56:10,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:56:10,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362430003] [2022-07-21 13:56:10,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362430003] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:56:10,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:56:10,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:56:10,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936510869] [2022-07-21 13:56:10,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:56:10,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:56:10,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:56:10,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:56:10,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:56:10,785 INFO L87 Difference]: Start difference. First operand 27322 states and 36787 transitions. Second operand has 5 states, 5 states have (on average 43.8) internal successors, (219), 3 states have internal predecessors, (219), 3 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-07-21 13:56:16,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:56:16,350 INFO L93 Difference]: Finished difference Result 62065 states and 83575 transitions. [2022-07-21 13:56:16,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:56:16,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 43.8) internal successors, (219), 3 states have internal predecessors, (219), 3 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 531 [2022-07-21 13:56:16,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:56:16,449 INFO L225 Difference]: With dead ends: 62065 [2022-07-21 13:56:16,449 INFO L226 Difference]: Without dead ends: 34870 [2022-07-21 13:56:16,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:56:16,507 INFO L413 NwaCegarLoop]: 2920 mSDtfsCounter, 1828 mSDsluCounter, 2448 mSDsCounter, 0 mSdLazyCounter, 1654 mSolverCounterSat, 1141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2071 SdHoareTripleChecker+Valid, 5368 SdHoareTripleChecker+Invalid, 2795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1141 IncrementalHoareTripleChecker+Valid, 1654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:56:16,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2071 Valid, 5368 Invalid, 2795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1141 Valid, 1654 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-21 13:56:16,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34870 states. [2022-07-21 13:56:18,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34870 to 34441. [2022-07-21 13:56:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34441 states, 24378 states have (on average 1.2425547624907705) internal successors, (30291), 24727 states have internal predecessors, (30291), 7904 states have call successors, (7904), 2157 states have call predecessors, (7904), 2157 states have return successors, (7922), 7826 states have call predecessors, (7922), 7904 states have call successors, (7922) [2022-07-21 13:56:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34441 states to 34441 states and 46117 transitions. [2022-07-21 13:56:18,468 INFO L78 Accepts]: Start accepts. Automaton has 34441 states and 46117 transitions. Word has length 531 [2022-07-21 13:56:18,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:56:18,469 INFO L495 AbstractCegarLoop]: Abstraction has 34441 states and 46117 transitions. [2022-07-21 13:56:18,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.8) internal successors, (219), 3 states have internal predecessors, (219), 3 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-07-21 13:56:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 34441 states and 46117 transitions. [2022-07-21 13:56:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2022-07-21 13:56:18,594 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:56:18,595 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 15, 15, 13, 13, 13, 13, 13, 13, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:56:18,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-07-21 13:56:18,595 INFO L420 AbstractCegarLoop]: === Iteration 33 === 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)] === [2022-07-21 13:56:18,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:56:18,595 INFO L85 PathProgramCache]: Analyzing trace with hash 112106974, now seen corresponding path program 1 times [2022-07-21 13:56:18,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:56:18,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102864917] [2022-07-21 13:56:18,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:18,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:56:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:56:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:56:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:56:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:56:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:56:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:56:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:56:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:56:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:56:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:56:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:56:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:56:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:56:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:56:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:56:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:56:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:56:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:56:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:56:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:56:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:56:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:56:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:56:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:56:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:56:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:56:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:56:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:56:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-21 13:56:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:56:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 13:56:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-21 13:56:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 13:56:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-21 13:56:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-21 13:56:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 13:56:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-21 13:56:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:56:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-21 13:56:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-21 13:56:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-21 13:56:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-21 13:56:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-21 13:56:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-21 13:56:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-21 13:56:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:56:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:56:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-21 13:56:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-21 13:56:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-21 13:56:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-21 13:56:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-21 13:56:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-07-21 13:56:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-21 13:56:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 1877 trivial. 0 not checked. [2022-07-21 13:56:18,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:56:18,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102864917] [2022-07-21 13:56:18,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102864917] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 13:56:18,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911970696] [2022-07-21 13:56:18,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:18,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 13:56:18,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:56:18,986 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 13:56:18,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 13:56:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:19,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 5028 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:56:19,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:56:19,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 1778 trivial. 0 not checked. [2022-07-21 13:56:19,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:56:19,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911970696] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:56:19,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:56:19,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2022-07-21 13:56:19,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564575746] [2022-07-21 13:56:19,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:56:19,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:56:19,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:56:19,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:56:19,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:56:19,988 INFO L87 Difference]: Start difference. First operand 34441 states and 46117 transitions. Second operand has 5 states, 5 states have (on average 39.0) internal successors, (195), 4 states have internal predecessors, (195), 3 states have call successors, (66), 3 states have call predecessors, (66), 4 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) [2022-07-21 13:56:21,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:56:21,722 INFO L93 Difference]: Finished difference Result 71534 states and 95881 transitions. [2022-07-21 13:56:21,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:56:21,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 4 states have internal predecessors, (195), 3 states have call successors, (66), 3 states have call predecessors, (66), 4 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) Word has length 544 [2022-07-21 13:56:21,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:56:21,827 INFO L225 Difference]: With dead ends: 71534 [2022-07-21 13:56:21,827 INFO L226 Difference]: Without dead ends: 37220 [2022-07-21 13:56:21,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 706 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:56:21,896 INFO L413 NwaCegarLoop]: 2324 mSDtfsCounter, 1720 mSDsluCounter, 5881 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1720 SdHoareTripleChecker+Valid, 8205 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:56:21,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1720 Valid, 8205 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 13:56:21,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37220 states. [2022-07-21 13:56:23,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37220 to 37195. [2022-07-21 13:56:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37195 states, 26394 states have (on average 1.2440706221110858) internal successors, (32836), 26767 states have internal predecessors, (32836), 8480 states have call successors, (8480), 2319 states have call predecessors, (8480), 2319 states have return successors, (8498), 8396 states have call predecessors, (8498), 8480 states have call successors, (8498) [2022-07-21 13:56:23,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37195 states to 37195 states and 49814 transitions. [2022-07-21 13:56:23,713 INFO L78 Accepts]: Start accepts. Automaton has 37195 states and 49814 transitions. Word has length 544 [2022-07-21 13:56:23,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:56:23,714 INFO L495 AbstractCegarLoop]: Abstraction has 37195 states and 49814 transitions. [2022-07-21 13:56:23,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 4 states have internal predecessors, (195), 3 states have call successors, (66), 3 states have call predecessors, (66), 4 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) [2022-07-21 13:56:23,714 INFO L276 IsEmpty]: Start isEmpty. Operand 37195 states and 49814 transitions. [2022-07-21 13:56:23,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2022-07-21 13:56:23,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:56:23,859 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 14, 14, 14, 14, 14, 14, 8, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:56:23,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 13:56:24,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 13:56:24,059 INFO L420 AbstractCegarLoop]: === Iteration 34 === 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)] === [2022-07-21 13:56:24,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:56:24,060 INFO L85 PathProgramCache]: Analyzing trace with hash -633144373, now seen corresponding path program 1 times [2022-07-21 13:56:24,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:56:24,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724652990] [2022-07-21 13:56:24,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:24,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:56:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:56:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:56:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:56:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:56:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:56:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:56:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:56:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:56:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:56:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:56:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:56:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:56:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:56:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:56:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:56:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:56:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:56:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:56:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:56:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:56:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:56:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:56:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:56:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:56:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:56:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:56:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:56:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:56:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-21 13:56:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:56:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 13:56:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 13:56:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:56:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 13:56:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 13:56:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 13:56:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 13:56:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 13:56:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 13:56:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 13:56:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 13:56:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:56:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-21 13:56:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:56:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 13:56:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 13:56:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 13:56:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 13:56:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-07-21 13:56:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-21 13:56:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-21 13:56:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-21 13:56:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-21 13:56:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-21 13:56:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-07-21 13:56:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-07-21 13:56:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-21 13:56:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-21 13:56:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-21 13:56:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:56:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:56:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-07-21 13:56:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-21 13:56:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2022-07-21 13:56:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-07-21 13:56:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-07-21 13:56:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2022-07-21 13:56:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-07-21 13:56:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:24,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1937 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1936 trivial. 0 not checked. [2022-07-21 13:56:24,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:56:24,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724652990] [2022-07-21 13:56:24,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724652990] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 13:56:24,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563044294] [2022-07-21 13:56:24,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:24,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 13:56:24,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:56:24,713 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 13:56:24,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 13:56:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:25,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 6616 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:56:26,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:56:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1937 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 1791 trivial. 0 not checked. [2022-07-21 13:56:26,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:56:26,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563044294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:56:26,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:56:26,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-07-21 13:56:26,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746268242] [2022-07-21 13:56:26,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:56:26,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:56:26,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:56:26,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:56:26,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:56:26,042 INFO L87 Difference]: Start difference. First operand 37195 states and 49814 transitions. Second operand has 5 states, 5 states have (on average 47.0) internal successors, (235), 4 states have internal predecessors, (235), 2 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (72), 3 states have call predecessors, (72), 2 states have call successors, (72) [2022-07-21 13:56:28,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:56:28,447 INFO L93 Difference]: Finished difference Result 90439 states and 122730 transitions. [2022-07-21 13:56:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:56:28,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.0) internal successors, (235), 4 states have internal predecessors, (235), 2 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (72), 3 states have call predecessors, (72), 2 states have call successors, (72) Word has length 625 [2022-07-21 13:56:28,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:56:28,588 INFO L225 Difference]: With dead ends: 90439 [2022-07-21 13:56:28,588 INFO L226 Difference]: Without dead ends: 53371 [2022-07-21 13:56:28,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 814 GetRequests, 806 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:56:28,655 INFO L413 NwaCegarLoop]: 2811 mSDtfsCounter, 626 mSDsluCounter, 7631 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 10442 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:56:28,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 10442 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 13:56:28,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53371 states. [2022-07-21 13:56:30,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53371 to 37231. [2022-07-21 13:56:30,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37231 states, 26421 states have (on average 1.2438212028310813) internal successors, (32863), 26794 states have internal predecessors, (32863), 8480 states have call successors, (8480), 2319 states have call predecessors, (8480), 2328 states have return successors, (8525), 8405 states have call predecessors, (8525), 8480 states have call successors, (8525) [2022-07-21 13:56:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37231 states to 37231 states and 49868 transitions. [2022-07-21 13:56:30,994 INFO L78 Accepts]: Start accepts. Automaton has 37231 states and 49868 transitions. Word has length 625 [2022-07-21 13:56:30,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:56:30,995 INFO L495 AbstractCegarLoop]: Abstraction has 37231 states and 49868 transitions. [2022-07-21 13:56:30,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.0) internal successors, (235), 4 states have internal predecessors, (235), 2 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (72), 3 states have call predecessors, (72), 2 states have call successors, (72) [2022-07-21 13:56:30,995 INFO L276 IsEmpty]: Start isEmpty. Operand 37231 states and 49868 transitions. [2022-07-21 13:56:31,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-07-21 13:56:31,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:56:31,009 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 13, 13, 13, 13, 13, 13, 7, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:56:31,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 13:56:31,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 13:56:31,210 INFO L420 AbstractCegarLoop]: === Iteration 35 === 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)] === [2022-07-21 13:56:31,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:56:31,211 INFO L85 PathProgramCache]: Analyzing trace with hash 693034550, now seen corresponding path program 1 times [2022-07-21 13:56:31,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:56:31,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978272336] [2022-07-21 13:56:31,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:31,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:56:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:56:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:56:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:56:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:56:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:56:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:56:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:56:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:56:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:56:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:56:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:56:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:56:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:56:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:56:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:56:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:56:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:56:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:56:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:56:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:56:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:56:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:56:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:56:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:56:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:56:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:56:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:56:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:56:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-21 13:56:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:56:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 13:56:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-21 13:56:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-21 13:56:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-21 13:56:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-21 13:56:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-21 13:56:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-21 13:56:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 13:56:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 13:56:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 13:56:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-21 13:56:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-21 13:56:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-21 13:56:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-21 13:56:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-21 13:56:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-07-21 13:56:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-21 13:56:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-21 13:56:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-21 13:56:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:56:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:56:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-21 13:56:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-21 13:56:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-21 13:56:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-21 13:56:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-21 13:56:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-21 13:56:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-07-21 13:56:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1580 trivial. 0 not checked. [2022-07-21 13:56:31,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:56:31,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978272336] [2022-07-21 13:56:31,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978272336] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 13:56:31,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169042878] [2022-07-21 13:56:31,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:31,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 13:56:31,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:56:31,797 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 13:56:31,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 13:56:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:32,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 6172 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 13:56:32,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:56:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 1400 trivial. 0 not checked. [2022-07-21 13:56:32,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:56:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1580 trivial. 0 not checked. [2022-07-21 13:56:33,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169042878] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 13:56:33,207 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 13:56:33,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2022-07-21 13:56:33,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288464142] [2022-07-21 13:56:33,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 13:56:33,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 13:56:33,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:56:33,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 13:56:33,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:56:33,209 INFO L87 Difference]: Start difference. First operand 37231 states and 49868 transitions. Second operand has 9 states, 9 states have (on average 25.333333333333332) internal successors, (228), 7 states have internal predecessors, (228), 5 states have call successors, (93), 4 states have call predecessors, (93), 2 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) [2022-07-21 13:56:39,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:56:39,474 INFO L93 Difference]: Finished difference Result 76209 states and 102658 transitions. [2022-07-21 13:56:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:56:39,475 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 25.333333333333332) internal successors, (228), 7 states have internal predecessors, (228), 5 states have call successors, (93), 4 states have call predecessors, (93), 2 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) Word has length 547 [2022-07-21 13:56:39,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:56:39,570 INFO L225 Difference]: With dead ends: 76209 [2022-07-21 13:56:39,570 INFO L226 Difference]: Without dead ends: 39105 [2022-07-21 13:56:39,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1254 GetRequests, 1246 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:56:39,640 INFO L413 NwaCegarLoop]: 1697 mSDtfsCounter, 746 mSDsluCounter, 3657 mSDsCounter, 0 mSdLazyCounter, 2451 mSolverCounterSat, 892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 5354 SdHoareTripleChecker+Invalid, 3343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 892 IncrementalHoareTripleChecker+Valid, 2451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:56:39,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 5354 Invalid, 3343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [892 Valid, 2451 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-21 13:56:39,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39105 states. [2022-07-21 13:56:41,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39105 to 37567. [2022-07-21 13:56:41,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37567 states, 26673 states have (on average 1.2415176395606045) internal successors, (33115), 27046 states have internal predecessors, (33115), 8564 states have call successors, (8564), 2319 states have call predecessors, (8564), 2328 states have return successors, (8609), 8489 states have call predecessors, (8609), 8564 states have call successors, (8609) [2022-07-21 13:56:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37567 states to 37567 states and 50288 transitions. [2022-07-21 13:56:41,698 INFO L78 Accepts]: Start accepts. Automaton has 37567 states and 50288 transitions. Word has length 547 [2022-07-21 13:56:41,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:56:41,698 INFO L495 AbstractCegarLoop]: Abstraction has 37567 states and 50288 transitions. [2022-07-21 13:56:41,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.333333333333332) internal successors, (228), 7 states have internal predecessors, (228), 5 states have call successors, (93), 4 states have call predecessors, (93), 2 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) [2022-07-21 13:56:41,699 INFO L276 IsEmpty]: Start isEmpty. Operand 37567 states and 50288 transitions. [2022-07-21 13:56:41,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2022-07-21 13:56:41,715 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:56:41,715 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 20, 20, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:56:41,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 13:56:41,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-07-21 13:56:41,916 INFO L420 AbstractCegarLoop]: === Iteration 36 === 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)] === [2022-07-21 13:56:41,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:56:41,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1768442776, now seen corresponding path program 1 times [2022-07-21 13:56:41,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:56:41,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147027994] [2022-07-21 13:56:41,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:41,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:56:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:56:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:56:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:56:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:56:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:56:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:56:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:56:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:56:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:56:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:56:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:56:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:56:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:56:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:56:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:56:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:56:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:56:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:56:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:56:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:56:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:56:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:56:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:56:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:56:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:56:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:56:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:56:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:56:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-21 13:56:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:56:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 13:56:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 13:56:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:56:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 13:56:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 13:56:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 13:56:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 13:56:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 13:56:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 13:56:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 13:56:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 13:56:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:56:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-21 13:56:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:56:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 13:56:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:56:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 13:56:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 13:56:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 13:56:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-21 13:56:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-21 13:56:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-21 13:56:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-21 13:56:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-21 13:56:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-21 13:56:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-21 13:56:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-21 13:56:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-07-21 13:56:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-21 13:56:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-21 13:56:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-21 13:56:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:56:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:42,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:56:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-21 13:56:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-07-21 13:56:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2022-07-21 13:56:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:43,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-21 13:56:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:43,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-07-21 13:56:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:43,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-21 13:56:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:43,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2022-07-21 13:56:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:43,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-07-21 13:56:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:43,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2022-07-21 13:56:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2132 trivial. 0 not checked. [2022-07-21 13:56:43,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:56:43,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147027994] [2022-07-21 13:56:43,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147027994] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:56:43,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:56:43,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 13:56:43,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662296553] [2022-07-21 13:56:43,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:56:43,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 13:56:43,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:56:43,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 13:56:43,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:56:43,047 INFO L87 Difference]: Start difference. First operand 37567 states and 50288 transitions. Second operand has 9 states, 9 states have (on average 25.333333333333332) internal successors, (228), 5 states have internal predecessors, (228), 3 states have call successors, (78), 6 states have call predecessors, (78), 2 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2022-07-21 13:56:45,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:56:51,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:56:51,544 INFO L93 Difference]: Finished difference Result 39294 states and 53076 transitions. [2022-07-21 13:56:51,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-21 13:56:51,545 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 25.333333333333332) internal successors, (228), 5 states have internal predecessors, (228), 3 states have call successors, (78), 6 states have call predecessors, (78), 2 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) Word has length 646 [2022-07-21 13:56:51,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:56:51,661 INFO L225 Difference]: With dead ends: 39294 [2022-07-21 13:56:51,661 INFO L226 Difference]: Without dead ends: 39292 [2022-07-21 13:56:51,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2022-07-21 13:56:51,678 INFO L413 NwaCegarLoop]: 1502 mSDtfsCounter, 2803 mSDsluCounter, 4105 mSDsCounter, 0 mSdLazyCounter, 3505 mSolverCounterSat, 2325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2937 SdHoareTripleChecker+Valid, 5607 SdHoareTripleChecker+Invalid, 5830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2325 IncrementalHoareTripleChecker+Valid, 3505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:56:51,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2937 Valid, 5607 Invalid, 5830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2325 Valid, 3505 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-21 13:56:51,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39292 states. [2022-07-21 13:56:53,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39292 to 37565. [2022-07-21 13:56:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37565 states, 26672 states have (on average 1.2399520095980803) internal successors, (33072), 27044 states have internal predecessors, (33072), 8564 states have call successors, (8564), 2319 states have call predecessors, (8564), 2328 states have return successors, (8609), 8489 states have call predecessors, (8609), 8564 states have call successors, (8609) [2022-07-21 13:56:53,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37565 states to 37565 states and 50245 transitions. [2022-07-21 13:56:53,966 INFO L78 Accepts]: Start accepts. Automaton has 37565 states and 50245 transitions. Word has length 646 [2022-07-21 13:56:53,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:56:53,967 INFO L495 AbstractCegarLoop]: Abstraction has 37565 states and 50245 transitions. [2022-07-21 13:56:53,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.333333333333332) internal successors, (228), 5 states have internal predecessors, (228), 3 states have call successors, (78), 6 states have call predecessors, (78), 2 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2022-07-21 13:56:53,967 INFO L276 IsEmpty]: Start isEmpty. Operand 37565 states and 50245 transitions. [2022-07-21 13:56:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2022-07-21 13:56:53,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:56:53,998 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 22, 22, 14, 14, 14, 14, 14, 14, 9, 9, 9, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:56:53,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-07-21 13:56:53,998 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-07-21 13:56:53,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:56:53,998 INFO L85 PathProgramCache]: Analyzing trace with hash 255348414, now seen corresponding path program 1 times [2022-07-21 13:56:53,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:56:53,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767566392] [2022-07-21 13:56:53,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:56:53,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:56:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:56:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:56:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:56:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:56:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:56:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:56:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:56:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:56:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:56:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:56:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:56:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:56:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:56:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:56:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:56:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:56:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:56:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:56:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:56:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:56:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:56:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:56:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:56:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:56:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:56:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:56:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:56:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:56:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-21 13:56:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:56:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 13:56:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 13:56:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:56:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 13:56:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 13:56:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 13:56:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 13:56:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 13:56:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 13:56:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 13:56:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 13:56:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:56:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-21 13:56:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:56:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 13:56:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:56:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 13:56:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 13:56:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 13:56:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-21 13:56:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-21 13:56:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-21 13:56:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-21 13:56:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-21 13:56:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-21 13:56:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-21 13:56:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-21 13:56:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-07-21 13:56:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-21 13:56:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-21 13:56:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-21 13:56:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:56:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:56:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:56:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 13:56:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 13:56:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-21 13:56:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-07-21 13:56:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2022-07-21 13:56:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-21 13:56:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-07-21 13:56:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-21 13:56:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2022-07-21 13:56:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-07-21 13:56:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2022-07-21 13:56:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2022-07-21 13:56:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 13:56:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:56:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-07-21 13:56:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2022-07-21 13:56:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-07-21 13:56:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2022-07-21 13:56:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-07-21 13:56:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:56:54,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2422 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2422 trivial. 0 not checked. [2022-07-21 13:56:54,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:56:54,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767566392] [2022-07-21 13:56:54,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767566392] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:56:54,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:56:54,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:56:54,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978331534] [2022-07-21 13:56:54,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:56:54,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:56:54,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:56:54,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:56:54,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:56:54,851 INFO L87 Difference]: Start difference. First operand 37565 states and 50245 transitions. Second operand has 7 states, 6 states have (on average 39.833333333333336) internal successors, (239), 3 states have internal predecessors, (239), 3 states have call successors, (87), 6 states have call predecessors, (87), 1 states have return successors, (82), 2 states have call predecessors, (82), 3 states have call successors, (82) [2022-07-21 13:57:02,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:57:02,819 INFO L93 Difference]: Finished difference Result 77066 states and 103916 transitions. [2022-07-21 13:57:02,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 13:57:02,820 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 39.833333333333336) internal successors, (239), 3 states have internal predecessors, (239), 3 states have call successors, (87), 6 states have call predecessors, (87), 1 states have return successors, (82), 2 states have call predecessors, (82), 3 states have call successors, (82) Word has length 685 [2022-07-21 13:57:02,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:57:02,914 INFO L225 Difference]: With dead ends: 77066 [2022-07-21 13:57:02,914 INFO L226 Difference]: Without dead ends: 39628 [2022-07-21 13:57:02,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:57:02,981 INFO L413 NwaCegarLoop]: 1650 mSDtfsCounter, 607 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 2860 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 5179 SdHoareTripleChecker+Invalid, 3349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 2860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:57:02,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 5179 Invalid, 3349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 2860 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-21 13:57:03,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39628 states. [2022-07-21 13:57:04,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39628 to 37607. [2022-07-21 13:57:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37607 states, 26714 states have (on average 1.2395747548102118) internal successors, (33114), 27086 states have internal predecessors, (33114), 8564 states have call successors, (8564), 2319 states have call predecessors, (8564), 2328 states have return successors, (8609), 8489 states have call predecessors, (8609), 8564 states have call successors, (8609) [2022-07-21 13:57:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37607 states to 37607 states and 50287 transitions. [2022-07-21 13:57:05,028 INFO L78 Accepts]: Start accepts. Automaton has 37607 states and 50287 transitions. Word has length 685 [2022-07-21 13:57:05,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:57:05,029 INFO L495 AbstractCegarLoop]: Abstraction has 37607 states and 50287 transitions. [2022-07-21 13:57:05,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 39.833333333333336) internal successors, (239), 3 states have internal predecessors, (239), 3 states have call successors, (87), 6 states have call predecessors, (87), 1 states have return successors, (82), 2 states have call predecessors, (82), 3 states have call successors, (82) [2022-07-21 13:57:05,029 INFO L276 IsEmpty]: Start isEmpty. Operand 37607 states and 50287 transitions. [2022-07-21 13:57:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2022-07-21 13:57:05,050 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:57:05,051 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 14, 14, 14, 14, 14, 14, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:57:05,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-07-21 13:57:05,051 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-07-21 13:57:05,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:57:05,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1138411022, now seen corresponding path program 1 times [2022-07-21 13:57:05,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:57:05,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099718179] [2022-07-21 13:57:05,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:57:05,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:57:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:57:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:57:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:57:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:57:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:57:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:57:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:57:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:57:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:57:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:57:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:57:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:57:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:57:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:57:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:57:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:57:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:57:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:57:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:57:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:57:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:57:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:57:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:57:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:57:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:57:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:57:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:57:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:57:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:57:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:57:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-21 13:57:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:57:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 13:57:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 13:57:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:57:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 13:57:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 13:57:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 13:57:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 13:57:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 13:57:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 13:57:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 13:57:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 13:57:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:57:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-21 13:57:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-21 13:57:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-21 13:57:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-21 13:57:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-21 13:57:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-21 13:57:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-21 13:57:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-07-21 13:57:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-21 13:57:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-07-21 13:57:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2022-07-21 13:57:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 13:57:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:57:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-21 13:57:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2022-07-21 13:57:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-07-21 13:57:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1990 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1964 trivial. 0 not checked. [2022-07-21 13:57:05,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:57:05,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099718179] [2022-07-21 13:57:05,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099718179] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:57:05,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:57:05,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 13:57:05,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199287645] [2022-07-21 13:57:05,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:57:05,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 13:57:05,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:57:05,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 13:57:05,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 13:57:05,576 INFO L87 Difference]: Start difference. First operand 37607 states and 50287 transitions. Second operand has 8 states, 7 states have (on average 34.857142857142854) internal successors, (244), 4 states have internal predecessors, (244), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-21 13:57:15,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:57:15,732 INFO L93 Difference]: Finished difference Result 82422 states and 110288 transitions. [2022-07-21 13:57:15,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 13:57:15,737 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 34.857142857142854) internal successors, (244), 4 states have internal predecessors, (244), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 591 [2022-07-21 13:57:15,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:57:15,857 INFO L225 Difference]: With dead ends: 82422 [2022-07-21 13:57:15,858 INFO L226 Difference]: Without dead ends: 44788 [2022-07-21 13:57:15,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-07-21 13:57:15,929 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 1793 mSDsluCounter, 6745 mSDsCounter, 0 mSdLazyCounter, 5770 mSolverCounterSat, 1359 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 9553 SdHoareTripleChecker+Invalid, 7129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1359 IncrementalHoareTripleChecker+Valid, 5770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:57:15,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 9553 Invalid, 7129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1359 Valid, 5770 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-07-21 13:57:15,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44788 states. [2022-07-21 13:57:18,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44788 to 44007. [2022-07-21 13:57:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44007 states, 31406 states have (on average 1.2364834744953193) internal successors, (38833), 31838 states have internal predecessors, (38833), 9824 states have call successors, (9824), 2739 states have call predecessors, (9824), 2776 states have return successors, (9912), 9756 states have call predecessors, (9912), 9824 states have call successors, (9912) [2022-07-21 13:57:18,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44007 states to 44007 states and 58569 transitions. [2022-07-21 13:57:18,338 INFO L78 Accepts]: Start accepts. Automaton has 44007 states and 58569 transitions. Word has length 591 [2022-07-21 13:57:18,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:57:18,339 INFO L495 AbstractCegarLoop]: Abstraction has 44007 states and 58569 transitions. [2022-07-21 13:57:18,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 34.857142857142854) internal successors, (244), 4 states have internal predecessors, (244), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-21 13:57:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 44007 states and 58569 transitions. [2022-07-21 13:57:18,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2022-07-21 13:57:18,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:57:18,365 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 14, 14, 14, 14, 14, 14, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:57:18,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-07-21 13:57:18,365 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-07-21 13:57:18,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:57:18,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1631118525, now seen corresponding path program 1 times [2022-07-21 13:57:18,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:57:18,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836056489] [2022-07-21 13:57:18,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:57:18,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:57:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:57:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:57:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:57:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:57:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:57:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:57:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:57:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:57:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:57:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:57:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:57:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:57:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:57:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 13:57:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 13:57:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 13:57:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 13:57:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 13:57:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:57:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:57:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 13:57:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:57:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:57:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 13:57:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:57:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:57:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 13:57:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 13:57:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:57:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:57:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-21 13:57:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:57:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 13:57:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 13:57:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:57:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 13:57:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 13:57:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 13:57:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 13:57:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 13:57:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 13:57:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 13:57:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 13:57:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:57:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-21 13:57:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-21 13:57:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-21 13:57:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-21 13:57:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-21 13:57:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-21 13:57:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-21 13:57:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:57:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-21 13:57:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-21 13:57:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-21 13:57:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-21 13:57:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 13:57:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 13:57:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2022-07-21 13:57:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-07-21 13:57:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-07-21 13:57:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:57:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1990 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1964 trivial. 0 not checked. [2022-07-21 13:57:19,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:57:19,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836056489] [2022-07-21 13:57:19,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836056489] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:57:19,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:57:19,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 13:57:19,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008386484] [2022-07-21 13:57:19,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:57:19,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 13:57:19,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:57:19,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 13:57:19,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 13:57:19,104 INFO L87 Difference]: Start difference. First operand 44007 states and 58569 transitions. Second operand has 8 states, 7 states have (on average 35.0) internal successors, (245), 4 states have internal predecessors, (245), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63)