./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.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 5afcd851c0eed3ee93d773a0172936a989a39cd6889ca2587c3b833a21bc8a3a --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:24:50,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:24:50,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:24:50,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:24:50,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:24:50,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:24:50,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:24:50,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:24:50,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:24:50,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:24:50,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:24:50,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:24:50,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:24:50,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:24:50,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:24:50,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:24:50,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:24:50,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:24:50,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:24:50,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:24:50,376 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:24:50,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:24:50,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:24:50,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:24:50,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:24:50,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:24:50,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:24:50,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:24:50,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:24:50,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:24:50,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:24:50,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:24:50,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:24:50,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:24:50,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:24:50,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:24:50,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:24:50,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:24:50,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:24:50,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:24:50,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:24:50,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:24:50,392 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:24:50,416 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:24:50,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:24:50,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:24:50,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:24:50,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:24:50,417 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:24:50,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:24:50,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:24:50,418 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:24:50,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:24:50,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:24:50,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:24:50,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:24:50,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:24:50,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:24:50,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:24:50,420 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:24:50,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:24:50,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:24:50,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:24:50,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:24:50,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:24:50,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:24:50,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:24:50,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:24:50,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:24:50,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:24:50,423 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:24:50,423 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:24:50,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:24:50,423 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5afcd851c0eed3ee93d773a0172936a989a39cd6889ca2587c3b833a21bc8a3a [2022-07-14 04:24:50,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:24:50,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:24:50,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:24:50,621 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:24:50,622 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:24:50,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-14 04:24:50,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969afcb93/6349cc121ff846ff96c6dca0f5327dab/FLAG9304f199d [2022-07-14 04:24:51,274 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:24:51,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-14 04:24:51,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969afcb93/6349cc121ff846ff96c6dca0f5327dab/FLAG9304f199d [2022-07-14 04:24:51,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969afcb93/6349cc121ff846ff96c6dca0f5327dab [2022-07-14 04:24:51,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:24:51,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:24:51,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:24:51,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:24:51,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:24:51,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:24:51" (1/1) ... [2022-07-14 04:24:51,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b360883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:51, skipping insertion in model container [2022-07-14 04:24:51,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:24:51" (1/1) ... [2022-07-14 04:24:51,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:24:51,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:24:53,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2022-07-14 04:24:53,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2022-07-14 04:24:53,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2022-07-14 04:24:53,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2022-07-14 04:24:53,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:24:53,970 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:24:54,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2022-07-14 04:24:54,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2022-07-14 04:24:54,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2022-07-14 04:24:54,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2022-07-14 04:24:54,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:24:54,433 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:24:54,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:54 WrapperNode [2022-07-14 04:24:54,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:24:54,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:24:54,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:24:54,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:24:54,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:54" (1/1) ... [2022-07-14 04:24:54,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:54" (1/1) ... [2022-07-14 04:24:54,750 INFO L137 Inliner]: procedures = 541, calls = 2829, calls flagged for inlining = 282, calls inlined = 248, statements flattened = 7471 [2022-07-14 04:24:54,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:24:54,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:24:54,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:24:54,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:24:54,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:54" (1/1) ... [2022-07-14 04:24:54,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:54" (1/1) ... [2022-07-14 04:24:54,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:54" (1/1) ... [2022-07-14 04:24:54,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:54" (1/1) ... [2022-07-14 04:24:54,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:54" (1/1) ... [2022-07-14 04:24:54,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:54" (1/1) ... [2022-07-14 04:24:55,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:54" (1/1) ... [2022-07-14 04:24:55,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:24:55,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:24:55,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:24:55,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:24:55,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:54" (1/1) ... [2022-07-14 04:24:55,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:24:55,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:24:55,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 04:24:55,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 04:24:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-14 04:24:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-14 04:24:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:24:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:24:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-14 04:24:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-14 04:24:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 04:24:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 04:24:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:24:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:24:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 04:24:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 04:24:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:24:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:24:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:24:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:24:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 04:24:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 04:24:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2022-07-14 04:24:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2022-07-14 04:24:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-07-14 04:24:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-07-14 04:24:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 04:24:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 04:24:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 04:24:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 04:24:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:24:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:24:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 04:24:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 04:24:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 04:24:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 04:24:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:24:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:24:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 04:24:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 04:24:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:24:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-07-14 04:24:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-07-14 04:24:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:24:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:24:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 04:24:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 04:24:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 04:24:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:24:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:24:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-14 04:24:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-14 04:24:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 04:24:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:24:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:24:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-07-14 04:24:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-07-14 04:24:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 04:24:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:24:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:24:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:24:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:24:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-07-14 04:24:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-07-14 04:24:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:24:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:24:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:24:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:24:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:24:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:24:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 04:24:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 04:24:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 04:24:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 04:24:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-07-14 04:24:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-07-14 04:24:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-14 04:24:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-14 04:24:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-14 04:24:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-14 04:24:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:24:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:24:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:24:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-14 04:24:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-14 04:24:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-07-14 04:24:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-07-14 04:24:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:24:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 04:24:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 04:24:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:24:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:24:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 04:24:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 04:24:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:24:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 04:24:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:24:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:24:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-07-14 04:24:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-07-14 04:24:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-14 04:24:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-14 04:24:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 04:24:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 04:24:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-07-14 04:24:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-07-14 04:24:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 04:24:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 04:24:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-14 04:24:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-14 04:24:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:24:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:24:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 04:24:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 04:24:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:24:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:24:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-07-14 04:24:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-07-14 04:24:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-14 04:24:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-14 04:24:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 04:24:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 04:24:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-07-14 04:24:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-07-14 04:24:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-14 04:24:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-14 04:24:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:24:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:24:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 04:24:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 04:24:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:24:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:24:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:24:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:24:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-07-14 04:24:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-07-14 04:24:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:24:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:24:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-07-14 04:24:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-07-14 04:24:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2022-07-14 04:24:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2022-07-14 04:24:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-14 04:24:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:24:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:24:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-07-14 04:24:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-07-14 04:24:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-07-14 04:24:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-07-14 04:24:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 04:24:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 04:24:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:24:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:24:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-14 04:24:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-14 04:24:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:24:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:24:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-14 04:24:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-14 04:24:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-07-14 04:24:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-07-14 04:24:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-07-14 04:24:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-07-14 04:24:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-07-14 04:24:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-07-14 04:24:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-07-14 04:24:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-07-14 04:24:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 04:24:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 04:24:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:24:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-07-14 04:24:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-07-14 04:24:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 04:24:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 04:24:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:24:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-14 04:24:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-14 04:24:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:24:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-07-14 04:24:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-07-14 04:24:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-07-14 04:24:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-07-14 04:24:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-14 04:24:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-14 04:24:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:24:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:24:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-07-14 04:24:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-07-14 04:24:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:24:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:24:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-07-14 04:24:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-07-14 04:24:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-14 04:24:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-14 04:24:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-14 04:24:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-14 04:24:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-07-14 04:24:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-07-14 04:24:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-07-14 04:24:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-07-14 04:24:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-14 04:24:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-14 04:24:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-07-14 04:24:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-07-14 04:24:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 04:24:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 04:24:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 04:24:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 04:24:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:24:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:24:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-07-14 04:24:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-07-14 04:24:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 04:24:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 04:24:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-07-14 04:24:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-07-14 04:24:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-07-14 04:24:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-07-14 04:24:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-14 04:24:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-14 04:24:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:24:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:24:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 04:24:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-07-14 04:24:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-07-14 04:24:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:24:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:24:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 04:24:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 04:24:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 04:24:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 04:24:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-07-14 04:24:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-07-14 04:24:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-07-14 04:24:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-07-14 04:24:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-14 04:24:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-14 04:24:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2022-07-14 04:24:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2022-07-14 04:24:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:24:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:24:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 04:24:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 04:24:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 04:24:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 04:24:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-14 04:24:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-14 04:24:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-14 04:24:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-14 04:24:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 04:24:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-14 04:24:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-14 04:24:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-14 04:24:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-14 04:24:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:24:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:24:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-14 04:24:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-14 04:24:56,013 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:24:56,015 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:24:56,151 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:25:00,757 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:25:00,777 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:25:00,777 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-14 04:25:00,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:25:00 BoogieIcfgContainer [2022-07-14 04:25:00,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:25:00,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:25:00,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:25:00,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:25:00,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:24:51" (1/3) ... [2022-07-14 04:25:00,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c16b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:25:00, skipping insertion in model container [2022-07-14 04:25:00,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:24:54" (2/3) ... [2022-07-14 04:25:00,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c16b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:25:00, skipping insertion in model container [2022-07-14 04:25:00,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:25:00" (3/3) ... [2022-07-14 04:25:00,788 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-14 04:25:00,798 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:25:00,799 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 04:25:00,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:25:00,897 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@7d570129, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7198097c [2022-07-14 04:25:00,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 04:25:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 2490 states, 1724 states have (on average 1.3132250580046403) internal successors, (2264), 1789 states have internal predecessors, (2264), 647 states have call successors, (647), 118 states have call predecessors, (647), 117 states have return successors, (639), 620 states have call predecessors, (639), 639 states have call successors, (639) [2022-07-14 04:25:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-14 04:25:00,918 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:00,919 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-07-14 04:25:00,919 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:25:00,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:00,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1730525239, now seen corresponding path program 1 times [2022-07-14 04:25:00,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:00,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862755214] [2022-07-14 04:25:00,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:00,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:01,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:01,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:01,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:01,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:01,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:01,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:25:01,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:01,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862755214] [2022-07-14 04:25:01,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862755214] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:01,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:01,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:25:01,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050163573] [2022-07-14 04:25:01,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:01,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:25:01,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:01,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:25:01,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:25:01,431 INFO L87 Difference]: Start difference. First operand has 2490 states, 1724 states have (on average 1.3132250580046403) internal successors, (2264), 1789 states have internal predecessors, (2264), 647 states have call successors, (647), 118 states have call predecessors, (647), 117 states have return successors, (639), 620 states have call predecessors, (639), 639 states have call successors, (639) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-14 04:25:02,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:02,770 INFO L93 Difference]: Finished difference Result 7347 states and 10748 transitions. [2022-07-14 04:25:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:25:02,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 57 [2022-07-14 04:25:02,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:02,812 INFO L225 Difference]: With dead ends: 7347 [2022-07-14 04:25:02,812 INFO L226 Difference]: Without dead ends: 4862 [2022-07-14 04:25:02,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:25:02,846 INFO L413 NwaCegarLoop]: 4055 mSDtfsCounter, 3413 mSDsluCounter, 3392 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 7447 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:02,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 7447 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-14 04:25:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4862 states. [2022-07-14 04:25:03,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4862 to 4825. [2022-07-14 04:25:03,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4825 states, 3341 states have (on average 1.2708769829392397) internal successors, (4246), 3454 states have internal predecessors, (4246), 1250 states have call successors, (1250), 232 states have call predecessors, (1250), 231 states have return successors, (1249), 1207 states have call predecessors, (1249), 1247 states have call successors, (1249) [2022-07-14 04:25:03,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4825 states to 4825 states and 6745 transitions. [2022-07-14 04:25:03,156 INFO L78 Accepts]: Start accepts. Automaton has 4825 states and 6745 transitions. Word has length 57 [2022-07-14 04:25:03,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:03,158 INFO L495 AbstractCegarLoop]: Abstraction has 4825 states and 6745 transitions. [2022-07-14 04:25:03,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-14 04:25:03,158 INFO L276 IsEmpty]: Start isEmpty. Operand 4825 states and 6745 transitions. [2022-07-14 04:25:03,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-14 04:25:03,165 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:03,165 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-07-14 04:25:03,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 04:25:03,166 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:25:03,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:03,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1658138681, now seen corresponding path program 1 times [2022-07-14 04:25:03,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:03,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560085605] [2022-07-14 04:25:03,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:03,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:03,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:03,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:03,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:25:03,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:03,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560085605] [2022-07-14 04:25:03,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560085605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:03,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:03,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:03,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931232847] [2022-07-14 04:25:03,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:03,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:03,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:03,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:03,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:03,415 INFO L87 Difference]: Start difference. First operand 4825 states and 6745 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-14 04:25:03,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:03,588 INFO L93 Difference]: Finished difference Result 4897 states and 6815 transitions. [2022-07-14 04:25:03,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:03,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 57 [2022-07-14 04:25:03,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:03,617 INFO L225 Difference]: With dead ends: 4897 [2022-07-14 04:25:03,617 INFO L226 Difference]: Without dead ends: 4895 [2022-07-14 04:25:03,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:03,624 INFO L413 NwaCegarLoop]: 3418 mSDtfsCounter, 3370 mSDsluCounter, 6867 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 10285 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:03,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3382 Valid, 10285 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:03,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4895 states. [2022-07-14 04:25:03,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4895 to 4893. [2022-07-14 04:25:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4893 states, 3386 states have (on average 1.2690490253987006) internal successors, (4297), 3503 states have internal predecessors, (4297), 1258 states have call successors, (1258), 247 states have call predecessors, (1258), 246 states have return successors, (1257), 1215 states have call predecessors, (1257), 1255 states have call successors, (1257) [2022-07-14 04:25:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4893 states to 4893 states and 6812 transitions. [2022-07-14 04:25:03,912 INFO L78 Accepts]: Start accepts. Automaton has 4893 states and 6812 transitions. Word has length 57 [2022-07-14 04:25:03,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:03,913 INFO L495 AbstractCegarLoop]: Abstraction has 4893 states and 6812 transitions. [2022-07-14 04:25:03,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-14 04:25:03,913 INFO L276 IsEmpty]: Start isEmpty. Operand 4893 states and 6812 transitions. [2022-07-14 04:25:03,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-07-14 04:25:03,915 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:03,915 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-07-14 04:25:03,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 04:25:03,916 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:25:03,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:03,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1487064351, now seen corresponding path program 1 times [2022-07-14 04:25:03,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:03,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879310752] [2022-07-14 04:25:03,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:03,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-14 04:25:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,097 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:25:04,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:04,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879310752] [2022-07-14 04:25:04,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879310752] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:04,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:04,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:04,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422064447] [2022-07-14 04:25:04,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:04,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:04,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:04,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:04,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:04,099 INFO L87 Difference]: Start difference. First operand 4893 states and 6812 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-14 04:25:04,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:04,262 INFO L93 Difference]: Finished difference Result 4899 states and 6817 transitions. [2022-07-14 04:25:04,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:04,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 62 [2022-07-14 04:25:04,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:04,286 INFO L225 Difference]: With dead ends: 4899 [2022-07-14 04:25:04,286 INFO L226 Difference]: Without dead ends: 4897 [2022-07-14 04:25:04,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:04,293 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3379 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3390 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:04,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3390 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:04,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4897 states. [2022-07-14 04:25:04,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4897 to 4897. [2022-07-14 04:25:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4897 states, 3389 states have (on average 1.2688108586603717) internal successors, (4300), 3506 states have internal predecessors, (4300), 1258 states have call successors, (1258), 248 states have call predecessors, (1258), 247 states have return successors, (1257), 1215 states have call predecessors, (1257), 1255 states have call successors, (1257) [2022-07-14 04:25:04,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4897 states to 4897 states and 6815 transitions. [2022-07-14 04:25:04,537 INFO L78 Accepts]: Start accepts. Automaton has 4897 states and 6815 transitions. Word has length 62 [2022-07-14 04:25:04,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:04,537 INFO L495 AbstractCegarLoop]: Abstraction has 4897 states and 6815 transitions. [2022-07-14 04:25:04,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-14 04:25:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4897 states and 6815 transitions. [2022-07-14 04:25:04,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-14 04:25:04,538 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:04,538 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-07-14 04:25:04,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 04:25:04,539 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:25:04,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:04,539 INFO L85 PathProgramCache]: Analyzing trace with hash -2142129927, now seen corresponding path program 1 times [2022-07-14 04:25:04,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:04,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143346382] [2022-07-14 04:25:04,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:04,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-14 04:25:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:25:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:04,765 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-14 04:25:04,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:04,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143346382] [2022-07-14 04:25:04,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143346382] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:04,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:04,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:04,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273589388] [2022-07-14 04:25:04,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:04,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:04,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:04,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:04,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:04,768 INFO L87 Difference]: Start difference. First operand 4897 states and 6815 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 04:25:04,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:04,946 INFO L93 Difference]: Finished difference Result 4903 states and 6820 transitions. [2022-07-14 04:25:04,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:04,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 67 [2022-07-14 04:25:04,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:04,978 INFO L225 Difference]: With dead ends: 4903 [2022-07-14 04:25:04,978 INFO L226 Difference]: Without dead ends: 4901 [2022-07-14 04:25:04,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:04,986 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3379 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:04,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:04,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4901 states. [2022-07-14 04:25:05,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4901 to 4901. [2022-07-14 04:25:05,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4901 states, 3392 states have (on average 1.268573113207547) internal successors, (4303), 3509 states have internal predecessors, (4303), 1258 states have call successors, (1258), 249 states have call predecessors, (1258), 248 states have return successors, (1257), 1215 states have call predecessors, (1257), 1255 states have call successors, (1257) [2022-07-14 04:25:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4901 states and 6818 transitions. [2022-07-14 04:25:05,235 INFO L78 Accepts]: Start accepts. Automaton has 4901 states and 6818 transitions. Word has length 67 [2022-07-14 04:25:05,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:05,236 INFO L495 AbstractCegarLoop]: Abstraction has 4901 states and 6818 transitions. [2022-07-14 04:25:05,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 04:25:05,238 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 6818 transitions. [2022-07-14 04:25:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-14 04:25:05,240 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:05,240 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2022-07-14 04:25:05,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 04:25:05,240 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)] === [2022-07-14 04:25:05,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:05,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1267554721, now seen corresponding path program 1 times [2022-07-14 04:25:05,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:05,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988011032] [2022-07-14 04:25:05,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:05,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:05,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:05,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-14 04:25:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:25:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:25:05,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:05,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988011032] [2022-07-14 04:25:05,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988011032] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:05,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:05,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:05,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493969899] [2022-07-14 04:25:05,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:05,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:05,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:05,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:05,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:05,443 INFO L87 Difference]: Start difference. First operand 4901 states and 6818 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-14 04:25:05,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:05,617 INFO L93 Difference]: Finished difference Result 4907 states and 6823 transitions. [2022-07-14 04:25:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:05,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2022-07-14 04:25:05,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:05,640 INFO L225 Difference]: With dead ends: 4907 [2022-07-14 04:25:05,640 INFO L226 Difference]: Without dead ends: 4905 [2022-07-14 04:25:05,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:05,645 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3379 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:05,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3388 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:05,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4905 states. [2022-07-14 04:25:05,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4905 to 4905. [2022-07-14 04:25:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4905 states, 3395 states have (on average 1.2683357879234167) internal successors, (4306), 3512 states have internal predecessors, (4306), 1258 states have call successors, (1258), 250 states have call predecessors, (1258), 249 states have return successors, (1257), 1215 states have call predecessors, (1257), 1255 states have call successors, (1257) [2022-07-14 04:25:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4905 states to 4905 states and 6821 transitions. [2022-07-14 04:25:05,845 INFO L78 Accepts]: Start accepts. Automaton has 4905 states and 6821 transitions. Word has length 72 [2022-07-14 04:25:05,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:05,845 INFO L495 AbstractCegarLoop]: Abstraction has 4905 states and 6821 transitions. [2022-07-14 04:25:05,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-14 04:25:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 4905 states and 6821 transitions. [2022-07-14 04:25:05,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-14 04:25:05,847 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:05,847 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 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] [2022-07-14 04:25:05,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 04:25:05,847 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)] === [2022-07-14 04:25:05,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:05,848 INFO L85 PathProgramCache]: Analyzing trace with hash 438694329, now seen corresponding path program 1 times [2022-07-14 04:25:05,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:05,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791087091] [2022-07-14 04:25:05,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:05,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-14 04:25:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:25:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-14 04:25:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-07-14 04:25:06,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:06,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791087091] [2022-07-14 04:25:06,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791087091] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:06,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:06,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:06,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442283502] [2022-07-14 04:25:06,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:06,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:06,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:06,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:06,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:06,091 INFO L87 Difference]: Start difference. First operand 4905 states and 6821 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 04:25:06,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:06,278 INFO L93 Difference]: Finished difference Result 4911 states and 6826 transitions. [2022-07-14 04:25:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:06,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2022-07-14 04:25:06,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:06,301 INFO L225 Difference]: With dead ends: 4911 [2022-07-14 04:25:06,301 INFO L226 Difference]: Without dead ends: 4909 [2022-07-14 04:25:06,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:06,307 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3379 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3387 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:06,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3387 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:06,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4909 states. [2022-07-14 04:25:06,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4909 to 4909. [2022-07-14 04:25:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4909 states, 3398 states have (on average 1.2680988816951149) internal successors, (4309), 3515 states have internal predecessors, (4309), 1258 states have call successors, (1258), 251 states have call predecessors, (1258), 250 states have return successors, (1257), 1215 states have call predecessors, (1257), 1255 states have call successors, (1257) [2022-07-14 04:25:06,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 6824 transitions. [2022-07-14 04:25:06,475 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 6824 transitions. Word has length 77 [2022-07-14 04:25:06,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:06,476 INFO L495 AbstractCegarLoop]: Abstraction has 4909 states and 6824 transitions. [2022-07-14 04:25:06,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 04:25:06,476 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 6824 transitions. [2022-07-14 04:25:06,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-14 04:25:06,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:06,478 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:25:06,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 04:25:06,478 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:25:06,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:06,478 INFO L85 PathProgramCache]: Analyzing trace with hash -127691996, now seen corresponding path program 1 times [2022-07-14 04:25:06,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:06,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969596125] [2022-07-14 04:25:06,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:06,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 04:25:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-14 04:25:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:25:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 04:25:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:25:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-07-14 04:25:06,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:06,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969596125] [2022-07-14 04:25:06,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969596125] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:06,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:06,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:25:06,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629683417] [2022-07-14 04:25:06,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:06,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:25:06,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:06,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:25:06,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:25:06,651 INFO L87 Difference]: Start difference. First operand 4909 states and 6824 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 04:25:06,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:06,940 INFO L93 Difference]: Finished difference Result 9462 states and 13131 transitions. [2022-07-14 04:25:06,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:25:06,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 93 [2022-07-14 04:25:06,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:06,988 INFO L225 Difference]: With dead ends: 9462 [2022-07-14 04:25:06,989 INFO L226 Difference]: Without dead ends: 9420 [2022-07-14 04:25:06,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:25:06,999 INFO L413 NwaCegarLoop]: 4829 mSDtfsCounter, 3098 mSDsluCounter, 3411 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3098 SdHoareTripleChecker+Valid, 8240 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:06,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3098 Valid, 8240 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:07,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9420 states. [2022-07-14 04:25:07,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9420 to 9369. [2022-07-14 04:25:07,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9369 states, 6496 states have (on average 1.2695504926108374) internal successors, (8247), 6710 states have internal predecessors, (8247), 2390 states have call successors, (2390), 481 states have call predecessors, (2390), 480 states have return successors, (2390), 2312 states have call predecessors, (2390), 2387 states have call successors, (2390) [2022-07-14 04:25:07,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9369 states to 9369 states and 13027 transitions. [2022-07-14 04:25:07,393 INFO L78 Accepts]: Start accepts. Automaton has 9369 states and 13027 transitions. Word has length 93 [2022-07-14 04:25:07,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:07,394 INFO L495 AbstractCegarLoop]: Abstraction has 9369 states and 13027 transitions. [2022-07-14 04:25:07,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 04:25:07,394 INFO L276 IsEmpty]: Start isEmpty. Operand 9369 states and 13027 transitions. [2022-07-14 04:25:07,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-14 04:25:07,396 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:07,396 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:25:07,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 04:25:07,396 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:25:07,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:07,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1095042650, now seen corresponding path program 1 times [2022-07-14 04:25:07,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:07,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748929920] [2022-07-14 04:25:07,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:07,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 04:25:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-14 04:25:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:25:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 04:25:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:25:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:07,573 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-07-14 04:25:07,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:07,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748929920] [2022-07-14 04:25:07,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748929920] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:07,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:07,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:25:07,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137489820] [2022-07-14 04:25:07,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:07,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:25:07,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:07,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:25:07,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:25:07,576 INFO L87 Difference]: Start difference. First operand 9369 states and 13027 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 04:25:08,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:08,574 INFO L93 Difference]: Finished difference Result 9984 states and 13780 transitions. [2022-07-14 04:25:08,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:25:08,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 93 [2022-07-14 04:25:08,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:08,613 INFO L225 Difference]: With dead ends: 9984 [2022-07-14 04:25:08,613 INFO L226 Difference]: Without dead ends: 9422 [2022-07-14 04:25:08,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:25:08,625 INFO L413 NwaCegarLoop]: 5721 mSDtfsCounter, 3384 mSDsluCounter, 3366 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 9087 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:08,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3384 Valid, 9087 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 04:25:08,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9422 states. [2022-07-14 04:25:09,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9422 to 9370. [2022-07-14 04:25:09,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9370 states, 6497 states have (on average 1.2693550869632138) internal successors, (8247), 6711 states have internal predecessors, (8247), 2390 states have call successors, (2390), 481 states have call predecessors, (2390), 480 states have return successors, (2390), 2312 states have call predecessors, (2390), 2387 states have call successors, (2390) [2022-07-14 04:25:09,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9370 states to 9370 states and 13027 transitions. [2022-07-14 04:25:09,120 INFO L78 Accepts]: Start accepts. Automaton has 9370 states and 13027 transitions. Word has length 93 [2022-07-14 04:25:09,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:09,121 INFO L495 AbstractCegarLoop]: Abstraction has 9370 states and 13027 transitions. [2022-07-14 04:25:09,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 04:25:09,121 INFO L276 IsEmpty]: Start isEmpty. Operand 9370 states and 13027 transitions. [2022-07-14 04:25:09,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-14 04:25:09,122 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:09,123 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:25:09,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 04:25:09,123 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)] === [2022-07-14 04:25:09,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:09,123 INFO L85 PathProgramCache]: Analyzing trace with hash -141102492, now seen corresponding path program 1 times [2022-07-14 04:25:09,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:09,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943167976] [2022-07-14 04:25:09,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 04:25:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-14 04:25:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:25:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 04:25:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:25:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:09,339 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-07-14 04:25:09,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:09,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943167976] [2022-07-14 04:25:09,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943167976] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:09,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:09,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:09,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062136218] [2022-07-14 04:25:09,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:09,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:09,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:09,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:09,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:09,342 INFO L87 Difference]: Start difference. First operand 9370 states and 13027 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-14 04:25:09,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:09,598 INFO L93 Difference]: Finished difference Result 9376 states and 13032 transitions. [2022-07-14 04:25:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:09,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 93 [2022-07-14 04:25:09,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:09,635 INFO L225 Difference]: With dead ends: 9376 [2022-07-14 04:25:09,635 INFO L226 Difference]: Without dead ends: 9374 [2022-07-14 04:25:09,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:09,645 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3371 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3378 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:09,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3378 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:09,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9374 states. [2022-07-14 04:25:10,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9374 to 9374. [2022-07-14 04:25:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9374 states, 6500 states have (on average 1.2692307692307692) internal successors, (8250), 6714 states have internal predecessors, (8250), 2390 states have call successors, (2390), 482 states have call predecessors, (2390), 481 states have return successors, (2390), 2312 states have call predecessors, (2390), 2387 states have call successors, (2390) [2022-07-14 04:25:10,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9374 states to 9374 states and 13030 transitions. [2022-07-14 04:25:10,144 INFO L78 Accepts]: Start accepts. Automaton has 9374 states and 13030 transitions. Word has length 93 [2022-07-14 04:25:10,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:10,144 INFO L495 AbstractCegarLoop]: Abstraction has 9374 states and 13030 transitions. [2022-07-14 04:25:10,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-14 04:25:10,145 INFO L276 IsEmpty]: Start isEmpty. Operand 9374 states and 13030 transitions. [2022-07-14 04:25:10,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-14 04:25:10,146 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:10,146 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:25:10,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 04:25:10,147 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)] === [2022-07-14 04:25:10,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:10,147 INFO L85 PathProgramCache]: Analyzing trace with hash 961972822, now seen corresponding path program 1 times [2022-07-14 04:25:10,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:10,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038024323] [2022-07-14 04:25:10,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:10,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 04:25:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-14 04:25:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:25:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 04:25:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:25:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-14 04:25:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-14 04:25:10,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:10,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038024323] [2022-07-14 04:25:10,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038024323] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:10,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:10,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:10,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739463680] [2022-07-14 04:25:10,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:10,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:10,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:10,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:10,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:10,378 INFO L87 Difference]: Start difference. First operand 9374 states and 13030 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 04:25:10,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:10,688 INFO L93 Difference]: Finished difference Result 9380 states and 13035 transitions. [2022-07-14 04:25:10,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:10,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 98 [2022-07-14 04:25:10,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:10,726 INFO L225 Difference]: With dead ends: 9380 [2022-07-14 04:25:10,726 INFO L226 Difference]: Without dead ends: 9378 [2022-07-14 04:25:10,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:10,734 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3371 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3377 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:10,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3377 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:10,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9378 states. [2022-07-14 04:25:11,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9378 to 9378. [2022-07-14 04:25:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9378 states, 6503 states have (on average 1.2691065662002152) internal successors, (8253), 6717 states have internal predecessors, (8253), 2390 states have call successors, (2390), 483 states have call predecessors, (2390), 482 states have return successors, (2390), 2312 states have call predecessors, (2390), 2387 states have call successors, (2390) [2022-07-14 04:25:11,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9378 states to 9378 states and 13033 transitions. [2022-07-14 04:25:11,181 INFO L78 Accepts]: Start accepts. Automaton has 9378 states and 13033 transitions. Word has length 98 [2022-07-14 04:25:11,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:11,181 INFO L495 AbstractCegarLoop]: Abstraction has 9378 states and 13033 transitions. [2022-07-14 04:25:11,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 04:25:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 9378 states and 13033 transitions. [2022-07-14 04:25:11,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-14 04:25:11,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:11,185 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 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] [2022-07-14 04:25:11,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 04:25:11,186 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)] === [2022-07-14 04:25:11,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:11,186 INFO L85 PathProgramCache]: Analyzing trace with hash -299997407, now seen corresponding path program 1 times [2022-07-14 04:25:11,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:11,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184618530] [2022-07-14 04:25:11,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:11,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-14 04:25:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:25:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-14 04:25:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:25:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:25:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:25:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:11,386 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-14 04:25:11,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:11,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184618530] [2022-07-14 04:25:11,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184618530] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:11,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:11,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:11,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087717734] [2022-07-14 04:25:11,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:11,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:11,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:11,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:11,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:11,388 INFO L87 Difference]: Start difference. First operand 9378 states and 13033 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 04:25:11,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:11,683 INFO L93 Difference]: Finished difference Result 10552 states and 14399 transitions. [2022-07-14 04:25:11,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:11,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 92 [2022-07-14 04:25:11,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:11,719 INFO L225 Difference]: With dead ends: 10552 [2022-07-14 04:25:11,720 INFO L226 Difference]: Without dead ends: 10550 [2022-07-14 04:25:11,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:11,727 INFO L413 NwaCegarLoop]: 3538 mSDtfsCounter, 2013 mSDsluCounter, 8789 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 12327 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:11,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 12327 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:11,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10550 states. [2022-07-14 04:25:12,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10550 to 10548. [2022-07-14 04:25:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10548 states, 7270 states have (on average 1.2610729023383769) internal successors, (9168), 7512 states have internal predecessors, (9168), 2614 states have call successors, (2614), 662 states have call predecessors, (2614), 661 states have return successors, (2614), 2522 states have call predecessors, (2614), 2611 states have call successors, (2614) [2022-07-14 04:25:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10548 states to 10548 states and 14396 transitions. [2022-07-14 04:25:12,050 INFO L78 Accepts]: Start accepts. Automaton has 10548 states and 14396 transitions. Word has length 92 [2022-07-14 04:25:12,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:12,051 INFO L495 AbstractCegarLoop]: Abstraction has 10548 states and 14396 transitions. [2022-07-14 04:25:12,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 04:25:12,051 INFO L276 IsEmpty]: Start isEmpty. Operand 10548 states and 14396 transitions. [2022-07-14 04:25:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-14 04:25:12,053 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:12,054 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:25:12,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 04:25:12,054 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)] === [2022-07-14 04:25:12,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:12,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1784161578, now seen corresponding path program 1 times [2022-07-14 04:25:12,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:12,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911395356] [2022-07-14 04:25:12,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:12,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 04:25:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-14 04:25:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:25:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 04:25:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:25:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-14 04:25:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-14 04:25:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 04:25:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-07-14 04:25:12,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:12,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911395356] [2022-07-14 04:25:12,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911395356] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:12,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:12,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:12,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749129591] [2022-07-14 04:25:12,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:12,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:12,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:12,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:12,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:12,225 INFO L87 Difference]: Start difference. First operand 10548 states and 14396 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 04:25:12,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:12,446 INFO L93 Difference]: Finished difference Result 10554 states and 14401 transitions. [2022-07-14 04:25:12,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:12,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 108 [2022-07-14 04:25:12,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:12,478 INFO L225 Difference]: With dead ends: 10554 [2022-07-14 04:25:12,478 INFO L226 Difference]: Without dead ends: 10552 [2022-07-14 04:25:12,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:12,486 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3371 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3375 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:12,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3375 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:12,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10552 states. [2022-07-14 04:25:12,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10552 to 10552. [2022-07-14 04:25:12,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10552 states, 7273 states have (on average 1.2609652138044822) internal successors, (9171), 7515 states have internal predecessors, (9171), 2614 states have call successors, (2614), 663 states have call predecessors, (2614), 662 states have return successors, (2614), 2522 states have call predecessors, (2614), 2611 states have call successors, (2614) [2022-07-14 04:25:12,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10552 states to 10552 states and 14399 transitions. [2022-07-14 04:25:12,888 INFO L78 Accepts]: Start accepts. Automaton has 10552 states and 14399 transitions. Word has length 108 [2022-07-14 04:25:12,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:12,889 INFO L495 AbstractCegarLoop]: Abstraction has 10552 states and 14399 transitions. [2022-07-14 04:25:12,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 04:25:12,889 INFO L276 IsEmpty]: Start isEmpty. Operand 10552 states and 14399 transitions. [2022-07-14 04:25:12,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-14 04:25:12,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:12,891 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:25:12,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-14 04:25:12,891 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)] === [2022-07-14 04:25:12,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:12,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1938399132, now seen corresponding path program 1 times [2022-07-14 04:25:12,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:12,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167378477] [2022-07-14 04:25:12,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:12,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:12,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 04:25:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-14 04:25:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:25:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 04:25:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:25:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-14 04:25:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-14 04:25:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 04:25:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:25:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-14 04:25:13,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:13,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167378477] [2022-07-14 04:25:13,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167378477] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:13,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:13,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:13,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038382616] [2022-07-14 04:25:13,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:13,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:13,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:13,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:13,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:13,069 INFO L87 Difference]: Start difference. First operand 10552 states and 14399 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-14 04:25:13,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:13,346 INFO L93 Difference]: Finished difference Result 10558 states and 14404 transitions. [2022-07-14 04:25:13,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:13,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 113 [2022-07-14 04:25:13,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:13,389 INFO L225 Difference]: With dead ends: 10558 [2022-07-14 04:25:13,389 INFO L226 Difference]: Without dead ends: 10556 [2022-07-14 04:25:13,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:13,399 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3371 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:13,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3374 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:13,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10556 states. [2022-07-14 04:25:13,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10556 to 10556. [2022-07-14 04:25:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10556 states, 7276 states have (on average 1.260857614073667) internal successors, (9174), 7518 states have internal predecessors, (9174), 2614 states have call successors, (2614), 664 states have call predecessors, (2614), 663 states have return successors, (2614), 2522 states have call predecessors, (2614), 2611 states have call successors, (2614) [2022-07-14 04:25:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10556 states to 10556 states and 14402 transitions. [2022-07-14 04:25:13,753 INFO L78 Accepts]: Start accepts. Automaton has 10556 states and 14402 transitions. Word has length 113 [2022-07-14 04:25:13,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:13,754 INFO L495 AbstractCegarLoop]: Abstraction has 10556 states and 14402 transitions. [2022-07-14 04:25:13,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-14 04:25:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 10556 states and 14402 transitions. [2022-07-14 04:25:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-14 04:25:13,756 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:13,756 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:25:13,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-14 04:25:13,756 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)] === [2022-07-14 04:25:13,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:13,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1923073194, now seen corresponding path program 1 times [2022-07-14 04:25:13,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:13,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79550181] [2022-07-14 04:25:13,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:13,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 04:25:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-14 04:25:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:25:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-14 04:25:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 04:25:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-14 04:25:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-14 04:25:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 04:25:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:25:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:25:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-07-14 04:25:13,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:13,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79550181] [2022-07-14 04:25:13,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79550181] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:13,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:13,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:13,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196207518] [2022-07-14 04:25:13,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:13,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:13,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:13,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:13,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:13,939 INFO L87 Difference]: Start difference. First operand 10556 states and 14402 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-14 04:25:14,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:14,237 INFO L93 Difference]: Finished difference Result 10562 states and 14407 transitions. [2022-07-14 04:25:14,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:14,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 118 [2022-07-14 04:25:14,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:14,269 INFO L225 Difference]: With dead ends: 10562 [2022-07-14 04:25:14,269 INFO L226 Difference]: Without dead ends: 10560 [2022-07-14 04:25:14,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:14,276 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3371 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3373 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:14,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3373 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:14,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10560 states. [2022-07-14 04:25:14,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10560 to 10560. [2022-07-14 04:25:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10560 states, 7279 states have (on average 1.2607501030361314) internal successors, (9177), 7521 states have internal predecessors, (9177), 2614 states have call successors, (2614), 665 states have call predecessors, (2614), 664 states have return successors, (2614), 2522 states have call predecessors, (2614), 2611 states have call successors, (2614) [2022-07-14 04:25:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10560 states to 10560 states and 14405 transitions. [2022-07-14 04:25:14,598 INFO L78 Accepts]: Start accepts. Automaton has 10560 states and 14405 transitions. Word has length 118 [2022-07-14 04:25:14,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:14,599 INFO L495 AbstractCegarLoop]: Abstraction has 10560 states and 14405 transitions. [2022-07-14 04:25:14,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-14 04:25:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 10560 states and 14405 transitions. [2022-07-14 04:25:14,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-14 04:25:14,601 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:14,601 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 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] [2022-07-14 04:25:14,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-14 04:25:14,602 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)] === [2022-07-14 04:25:14,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:14,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2083550369, now seen corresponding path program 1 times [2022-07-14 04:25:14,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:14,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189943068] [2022-07-14 04:25:14,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:14,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-14 04:25:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:25:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-14 04:25:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:25:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:25:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:25:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-14 04:25:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 04:25:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 04:25:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 04:25:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-07-14 04:25:14,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:14,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189943068] [2022-07-14 04:25:14,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189943068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:14,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:14,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:14,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050136776] [2022-07-14 04:25:14,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:14,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:14,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:14,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:14,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:14,800 INFO L87 Difference]: Start difference. First operand 10560 states and 14405 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-14 04:25:15,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:15,057 INFO L93 Difference]: Finished difference Result 10566 states and 14410 transitions. [2022-07-14 04:25:15,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:15,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 112 [2022-07-14 04:25:15,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:15,094 INFO L225 Difference]: With dead ends: 10566 [2022-07-14 04:25:15,094 INFO L226 Difference]: Without dead ends: 10562 [2022-07-14 04:25:15,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:15,104 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3379 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3380 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:15,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3380 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:15,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10562 states. [2022-07-14 04:25:15,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10562 to 10562. [2022-07-14 04:25:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10562 states, 7281 states have (on average 1.2605411344595523) internal successors, (9178), 7522 states have internal predecessors, (9178), 2614 states have call successors, (2614), 666 states have call predecessors, (2614), 664 states have return successors, (2614), 2522 states have call predecessors, (2614), 2611 states have call successors, (2614) [2022-07-14 04:25:15,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10562 states to 10562 states and 14406 transitions. [2022-07-14 04:25:15,567 INFO L78 Accepts]: Start accepts. Automaton has 10562 states and 14406 transitions. Word has length 112 [2022-07-14 04:25:15,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:15,567 INFO L495 AbstractCegarLoop]: Abstraction has 10562 states and 14406 transitions. [2022-07-14 04:25:15,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-14 04:25:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 10562 states and 14406 transitions. [2022-07-14 04:25:15,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-14 04:25:15,571 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:15,571 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 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] [2022-07-14 04:25:15,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-14 04:25:15,571 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)] === [2022-07-14 04:25:15,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:15,572 INFO L85 PathProgramCache]: Analyzing trace with hash -349932359, now seen corresponding path program 1 times [2022-07-14 04:25:15,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:15,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224913639] [2022-07-14 04:25:15,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:15,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 04:25:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 04:25:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:25:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-14 04:25:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:25:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-14 04:25:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:25:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:25:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 04:25:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-14 04:25:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 04:25:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 04:25:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 04:25:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 04:25:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-07-14 04:25:15,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:15,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224913639] [2022-07-14 04:25:15,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224913639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:15,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:15,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:25:15,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633428570] [2022-07-14 04:25:15,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:15,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:25:15,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:15,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:25:15,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:25:15,765 INFO L87 Difference]: Start difference. First operand 10562 states and 14406 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 04:25:16,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:16,147 INFO L93 Difference]: Finished difference Result 10562 states and 14406 transitions. [2022-07-14 04:25:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:25:16,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2022-07-14 04:25:16,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:16,189 INFO L225 Difference]: With dead ends: 10562 [2022-07-14 04:25:16,189 INFO L226 Difference]: Without dead ends: 10482 [2022-07-14 04:25:16,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:16,197 INFO L413 NwaCegarLoop]: 3415 mSDtfsCounter, 3375 mSDsluCounter, 6813 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3375 SdHoareTripleChecker+Valid, 10228 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:16,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3375 Valid, 10228 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:16,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10482 states. [2022-07-14 04:25:16,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10482 to 10482. [2022-07-14 04:25:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10482 states, 7233 states have (on average 1.2610258537259782) internal successors, (9121), 7469 states have internal predecessors, (9121), 2595 states have call successors, (2595), 652 states have call predecessors, (2595), 652 states have return successors, (2598), 2509 states have call predecessors, (2598), 2595 states have call successors, (2598) [2022-07-14 04:25:16,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10482 states to 10482 states and 14314 transitions. [2022-07-14 04:25:16,697 INFO L78 Accepts]: Start accepts. Automaton has 10482 states and 14314 transitions. Word has length 117 [2022-07-14 04:25:16,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:16,697 INFO L495 AbstractCegarLoop]: Abstraction has 10482 states and 14314 transitions. [2022-07-14 04:25:16,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 04:25:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 10482 states and 14314 transitions. [2022-07-14 04:25:16,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-14 04:25:16,701 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:16,701 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:25:16,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-14 04:25:16,701 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:25:16,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:16,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1298739436, now seen corresponding path program 1 times [2022-07-14 04:25:16,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:16,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188443697] [2022-07-14 04:25:16,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:16,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:25:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:25:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 04:25:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:25:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 04:25:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 04:25:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 04:25:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-07-14 04:25:17,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:17,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188443697] [2022-07-14 04:25:17,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188443697] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:17,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:17,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:25:17,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916280617] [2022-07-14 04:25:17,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:17,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:25:17,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:17,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:25:17,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:25:17,005 INFO L87 Difference]: Start difference. First operand 10482 states and 14314 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, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 04:25:21,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:21,235 INFO L93 Difference]: Finished difference Result 10796 states and 14790 transitions. [2022-07-14 04:25:21,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 04:25:21,236 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, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 144 [2022-07-14 04:25:21,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:21,274 INFO L225 Difference]: With dead ends: 10796 [2022-07-14 04:25:21,274 INFO L226 Difference]: Without dead ends: 10794 [2022-07-14 04:25:21,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:25:21,282 INFO L413 NwaCegarLoop]: 3255 mSDtfsCounter, 2456 mSDsluCounter, 6586 mSDsCounter, 0 mSdLazyCounter, 4393 mSolverCounterSat, 1026 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2764 SdHoareTripleChecker+Valid, 9841 SdHoareTripleChecker+Invalid, 5419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1026 IncrementalHoareTripleChecker+Valid, 4393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:21,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2764 Valid, 9841 Invalid, 5419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1026 Valid, 4393 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-14 04:25:21,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10794 states. [2022-07-14 04:25:21,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10794 to 10498. [2022-07-14 04:25:21,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10498 states, 7245 states have (on average 1.2605935127674257) internal successors, (9133), 7481 states have internal predecessors, (9133), 2595 states have call successors, (2595), 656 states have call predecessors, (2595), 656 states have return successors, (2598), 2509 states have call predecessors, (2598), 2595 states have call successors, (2598) [2022-07-14 04:25:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10498 states to 10498 states and 14326 transitions. [2022-07-14 04:25:21,744 INFO L78 Accepts]: Start accepts. Automaton has 10498 states and 14326 transitions. Word has length 144 [2022-07-14 04:25:21,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:21,744 INFO L495 AbstractCegarLoop]: Abstraction has 10498 states and 14326 transitions. [2022-07-14 04:25:21,744 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, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 04:25:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 10498 states and 14326 transitions. [2022-07-14 04:25:21,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-14 04:25:21,755 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:21,755 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-14 04:25:21,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-14 04:25:21,756 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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)] === [2022-07-14 04:25:21,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:21,756 INFO L85 PathProgramCache]: Analyzing trace with hash -320889491, now seen corresponding path program 1 times [2022-07-14 04:25:21,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:21,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706668260] [2022-07-14 04:25:21,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:21,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:25:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:25:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 04:25:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:25:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:21,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 04:25:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 04:25:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:22,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 04:25:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-14 04:25:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:22,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 04:25:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:22,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:22,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 04:25:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:22,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 04:25:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:22,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:22,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 04:25:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-07-14 04:25:22,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:22,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706668260] [2022-07-14 04:25:22,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706668260] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:22,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:22,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 04:25:22,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988556718] [2022-07-14 04:25:22,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:22,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 04:25:22,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:22,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 04:25:22,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:25:22,090 INFO L87 Difference]: Start difference. First operand 10498 states and 14326 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-14 04:25:34,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:34,868 INFO L93 Difference]: Finished difference Result 12022 states and 16646 transitions. [2022-07-14 04:25:34,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 04:25:34,869 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 189 [2022-07-14 04:25:34,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:34,917 INFO L225 Difference]: With dead ends: 12022 [2022-07-14 04:25:34,917 INFO L226 Difference]: Without dead ends: 11298 [2022-07-14 04:25:34,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-07-14 04:25:34,931 INFO L413 NwaCegarLoop]: 3109 mSDtfsCounter, 3448 mSDsluCounter, 7874 mSDsCounter, 0 mSdLazyCounter, 8335 mSolverCounterSat, 2377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3752 SdHoareTripleChecker+Valid, 10983 SdHoareTripleChecker+Invalid, 10712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2377 IncrementalHoareTripleChecker+Valid, 8335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:34,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3752 Valid, 10983 Invalid, 10712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2377 Valid, 8335 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2022-07-14 04:25:34,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11298 states. [2022-07-14 04:25:35,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11298 to 9776. [2022-07-14 04:25:35,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9776 states, 6769 states have (on average 1.2619293839562713) internal successors, (8542), 6969 states have internal predecessors, (8542), 2361 states have call successors, (2361), 644 states have call predecessors, (2361), 644 states have return successors, (2364), 2291 states have call predecessors, (2364), 2361 states have call successors, (2364) [2022-07-14 04:25:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9776 states to 9776 states and 13267 transitions. [2022-07-14 04:25:35,451 INFO L78 Accepts]: Start accepts. Automaton has 9776 states and 13267 transitions. Word has length 189 [2022-07-14 04:25:35,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:35,451 INFO L495 AbstractCegarLoop]: Abstraction has 9776 states and 13267 transitions. [2022-07-14 04:25:35,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-14 04:25:35,452 INFO L276 IsEmpty]: Start isEmpty. Operand 9776 states and 13267 transitions. [2022-07-14 04:25:35,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-07-14 04:25:35,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:35,473 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 5, 5, 3, 3, 3, 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, 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] [2022-07-14 04:25:35,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-14 04:25:35,473 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)] === [2022-07-14 04:25:35,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:35,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1564064925, now seen corresponding path program 1 times [2022-07-14 04:25:35,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:35,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180322775] [2022-07-14 04:25:35,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:35,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 04:25:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-14 04:25:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-14 04:25:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-14 04:25:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:25:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-14 04:25:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 04:25:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 04:25:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 04:25:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 04:25:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 04:25:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 04:25:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 04:25:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 04:25:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-14 04:25:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-14 04:25:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 04:25:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 04:25:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-14 04:25:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 04:25:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-14 04:25:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 04:25:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-14 04:25:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-14 04:25:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:25:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:25:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-14 04:25:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 04:25:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-14 04:25:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-14 04:25:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-14 04:25:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-14 04:25:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-14 04:25:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-14 04:25:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:25:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-14 04:25:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2022-07-14 04:25:35,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:35,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180322775] [2022-07-14 04:25:35,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180322775] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:35,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:25:35,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:25:35,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708964843] [2022-07-14 04:25:35,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:35,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:25:35,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:35,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:25:35,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:25:35,971 INFO L87 Difference]: Start difference. First operand 9776 states and 13267 transitions. Second operand has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 3 states have internal predecessors, (257), 3 states have call successors, (64), 5 states have call predecessors, (64), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-07-14 04:25:40,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:25:43,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:43,709 INFO L93 Difference]: Finished difference Result 15920 states and 21890 transitions. [2022-07-14 04:25:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:25:43,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 3 states have internal predecessors, (257), 3 states have call successors, (64), 5 states have call predecessors, (64), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 504 [2022-07-14 04:25:43,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:43,736 INFO L225 Difference]: With dead ends: 15920 [2022-07-14 04:25:43,737 INFO L226 Difference]: Without dead ends: 6724 [2022-07-14 04:25:43,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:25:43,767 INFO L413 NwaCegarLoop]: 2718 mSDtfsCounter, 6032 mSDsluCounter, 1659 mSDsCounter, 0 mSdLazyCounter, 2234 mSolverCounterSat, 4409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6281 SdHoareTripleChecker+Valid, 4377 SdHoareTripleChecker+Invalid, 6643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4409 IncrementalHoareTripleChecker+Valid, 2234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:43,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6281 Valid, 4377 Invalid, 6643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4409 Valid, 2234 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-07-14 04:25:43,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6724 states. [2022-07-14 04:25:44,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6724 to 5137. [2022-07-14 04:25:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5137 states, 3543 states have (on average 1.258820208862546) internal successors, (4460), 3652 states have internal predecessors, (4460), 1254 states have call successors, (1254), 338 states have call predecessors, (1254), 338 states have return successors, (1255), 1217 states have call predecessors, (1255), 1254 states have call successors, (1255) [2022-07-14 04:25:44,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 6969 transitions. [2022-07-14 04:25:44,035 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 6969 transitions. Word has length 504 [2022-07-14 04:25:44,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:44,035 INFO L495 AbstractCegarLoop]: Abstraction has 5137 states and 6969 transitions. [2022-07-14 04:25:44,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 3 states have internal predecessors, (257), 3 states have call successors, (64), 5 states have call predecessors, (64), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-07-14 04:25:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 6969 transitions. [2022-07-14 04:25:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2022-07-14 04:25:44,048 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:44,049 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 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] [2022-07-14 04:25:44,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-14 04:25:44,049 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)] === [2022-07-14 04:25:44,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:44,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1533061468, now seen corresponding path program 1 times [2022-07-14 04:25:44,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:44,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963494575] [2022-07-14 04:25:44,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:44,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:25:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:25:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 04:25:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 04:25:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 04:25:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 04:25:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:25:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:25:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:25:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 04:25:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-14 04:25:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 04:25:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 04:25:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 04:25:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-14 04:25:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 04:25:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-14 04:25:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 04:25:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 04:25:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 04:25:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-14 04:25:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-14 04:25:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-14 04:25:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-14 04:25:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:25:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:25:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-14 04:25:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-14 04:25:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-14 04:25:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-14 04:25:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-14 04:25:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-14 04:25:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-14 04:25:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-14 04:25:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:25:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-14 04:25:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:44,996 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-07-14 04:25:44,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:44,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963494575] [2022-07-14 04:25:44,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963494575] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:25:44,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486580660] [2022-07-14 04:25:44,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:44,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:25:44,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:25:45,000 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) [2022-07-14 04:25:45,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 04:25:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:46,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 5387 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:25:46,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:25:46,274 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-07-14 04:25:46,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:25:46,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486580660] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:46,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:25:46,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-14 04:25:46,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774780912] [2022-07-14 04:25:46,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:46,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:25:46,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:46,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:25:46,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:25:46,277 INFO L87 Difference]: Start difference. First operand 5137 states and 6969 transitions. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-07-14 04:25:46,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:46,508 INFO L93 Difference]: Finished difference Result 10254 states and 13913 transitions. [2022-07-14 04:25:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:25:46,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 566 [2022-07-14 04:25:46,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:46,528 INFO L225 Difference]: With dead ends: 10254 [2022-07-14 04:25:46,529 INFO L226 Difference]: Without dead ends: 5139 [2022-07-14 04:25:46,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 734 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:25:46,551 INFO L413 NwaCegarLoop]: 3111 mSDtfsCounter, 0 mSDsluCounter, 3106 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6217 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:46,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6217 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:46,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5139 states. [2022-07-14 04:25:46,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5139 to 5139. [2022-07-14 04:25:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5139 states, 3545 states have (on average 1.2586741889985895) internal successors, (4462), 3654 states have internal predecessors, (4462), 1254 states have call successors, (1254), 338 states have call predecessors, (1254), 338 states have return successors, (1255), 1217 states have call predecessors, (1255), 1254 states have call successors, (1255) [2022-07-14 04:25:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 6971 transitions. [2022-07-14 04:25:46,802 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 6971 transitions. Word has length 566 [2022-07-14 04:25:46,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:46,803 INFO L495 AbstractCegarLoop]: Abstraction has 5139 states and 6971 transitions. [2022-07-14 04:25:46,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-07-14 04:25:46,803 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 6971 transitions. [2022-07-14 04:25:46,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2022-07-14 04:25:46,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:46,813 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 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] [2022-07-14 04:25:46,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-14 04:25:47,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:25:47,028 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)] === [2022-07-14 04:25:47,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:47,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1550349018, now seen corresponding path program 1 times [2022-07-14 04:25:47,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:47,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708737492] [2022-07-14 04:25:47,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:47,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:25:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:25:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 04:25:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 04:25:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 04:25:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 04:25:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:25:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:25:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:25:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 04:25:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-14 04:25:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 04:25:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 04:25:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 04:25:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-14 04:25:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 04:25:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-14 04:25:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 04:25:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 04:25:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 04:25:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-14 04:25:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-14 04:25:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-14 04:25:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-14 04:25:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:25:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:25:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-14 04:25:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-14 04:25:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-14 04:25:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-14 04:25:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-14 04:25:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-14 04:25:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-14 04:25:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-14 04:25:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:25:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-14 04:25:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-07-14 04:25:47,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:47,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708737492] [2022-07-14 04:25:47,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708737492] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:25:47,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607509253] [2022-07-14 04:25:47,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:47,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:25:47,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:25:47,807 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) [2022-07-14 04:25:47,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-14 04:25:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:48,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 5375 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:25:49,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:25:49,026 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2022-07-14 04:25:49,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:25:49,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607509253] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:49,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:25:49,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-14 04:25:49,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000706700] [2022-07-14 04:25:49,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:49,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:25:49,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:49,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:25:49,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:25:49,033 INFO L87 Difference]: Start difference. First operand 5139 states and 6971 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-07-14 04:25:49,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:49,334 INFO L93 Difference]: Finished difference Result 10258 states and 13917 transitions. [2022-07-14 04:25:49,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:25:49,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 566 [2022-07-14 04:25:49,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:49,352 INFO L225 Difference]: With dead ends: 10258 [2022-07-14 04:25:49,352 INFO L226 Difference]: Without dead ends: 5141 [2022-07-14 04:25:49,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 734 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:25:49,371 INFO L413 NwaCegarLoop]: 3111 mSDtfsCounter, 0 mSDsluCounter, 3106 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6217 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:49,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6217 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:25:49,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5141 states. [2022-07-14 04:25:49,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5141 to 5141. [2022-07-14 04:25:49,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5141 states, 3547 states have (on average 1.258528333803214) internal successors, (4464), 3656 states have internal predecessors, (4464), 1254 states have call successors, (1254), 338 states have call predecessors, (1254), 338 states have return successors, (1255), 1217 states have call predecessors, (1255), 1254 states have call successors, (1255) [2022-07-14 04:25:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 6973 transitions. [2022-07-14 04:25:49,623 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 6973 transitions. Word has length 566 [2022-07-14 04:25:49,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:49,624 INFO L495 AbstractCegarLoop]: Abstraction has 5141 states and 6973 transitions. [2022-07-14 04:25:49,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-07-14 04:25:49,625 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 6973 transitions. [2022-07-14 04:25:49,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2022-07-14 04:25:49,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:49,635 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 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] [2022-07-14 04:25:49,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-14 04:25:49,851 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,SelfDestructingSolverStorable20 [2022-07-14 04:25:49,852 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)] === [2022-07-14 04:25:49,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:49,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1348525084, now seen corresponding path program 1 times [2022-07-14 04:25:49,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:49,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159880692] [2022-07-14 04:25:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:49,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:25:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:25:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 04:25:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 04:25:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 04:25:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 04:25:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:25:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:25:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:25:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 04:25:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-14 04:25:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 04:25:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 04:25:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 04:25:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-14 04:25:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 04:25:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-14 04:25:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 04:25:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 04:25:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 04:25:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-14 04:25:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-14 04:25:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-14 04:25:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-14 04:25:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:25:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:25:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-14 04:25:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-14 04:25:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-14 04:25:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-14 04:25:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-14 04:25:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-14 04:25:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-14 04:25:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-14 04:25:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:25:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-14 04:25:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-07-14 04:25:50,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:50,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159880692] [2022-07-14 04:25:50,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159880692] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:25:50,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532053262] [2022-07-14 04:25:50,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:50,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:25:50,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:25:50,629 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) [2022-07-14 04:25:50,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-14 04:25:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:51,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 5378 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:25:51,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:25:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-07-14 04:25:51,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:25:51,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532053262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:51,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:25:51,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-14 04:25:51,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636417228] [2022-07-14 04:25:51,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:51,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:25:51,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:51,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:25:51,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:25:51,850 INFO L87 Difference]: Start difference. First operand 5141 states and 6973 transitions. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-07-14 04:25:52,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:52,412 INFO L93 Difference]: Finished difference Result 10302 states and 13989 transitions. [2022-07-14 04:25:52,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:25:52,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 566 [2022-07-14 04:25:52,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:52,428 INFO L225 Difference]: With dead ends: 10302 [2022-07-14 04:25:52,428 INFO L226 Difference]: Without dead ends: 5183 [2022-07-14 04:25:52,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 734 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:25:52,440 INFO L413 NwaCegarLoop]: 3114 mSDtfsCounter, 22 mSDsluCounter, 3081 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 6195 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:52,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 6195 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 04:25:52,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2022-07-14 04:25:52,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5167. [2022-07-14 04:25:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5167 states, 3571 states have (on average 1.2579109493139178) internal successors, (4492), 3681 states have internal predecessors, (4492), 1255 states have call successors, (1255), 338 states have call predecessors, (1255), 339 states have return successors, (1257), 1218 states have call predecessors, (1257), 1255 states have call successors, (1257) [2022-07-14 04:25:52,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 5167 states and 7004 transitions. [2022-07-14 04:25:52,673 INFO L78 Accepts]: Start accepts. Automaton has 5167 states and 7004 transitions. Word has length 566 [2022-07-14 04:25:52,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:52,674 INFO L495 AbstractCegarLoop]: Abstraction has 5167 states and 7004 transitions. [2022-07-14 04:25:52,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-07-14 04:25:52,674 INFO L276 IsEmpty]: Start isEmpty. Operand 5167 states and 7004 transitions. [2022-07-14 04:25:52,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2022-07-14 04:25:52,683 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:52,684 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 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] [2022-07-14 04:25:52,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-14 04:25:52,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:25:52,885 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)] === [2022-07-14 04:25:52,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:52,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1666172164, now seen corresponding path program 1 times [2022-07-14 04:25:52,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:52,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798165248] [2022-07-14 04:25:52,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:52,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:25:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:25:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 04:25:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 04:25:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 04:25:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 04:25:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:25:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:25:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:25:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 04:25:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 04:25:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 04:25:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 04:25:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 04:25:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-14 04:25:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-14 04:25:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-14 04:25:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-14 04:25:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-14 04:25:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-14 04:25:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 04:25:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-14 04:25:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-14 04:25:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-14 04:25:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:25:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:25:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-14 04:25:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-14 04:25:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-14 04:25:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-14 04:25:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-14 04:25:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-14 04:25:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-14 04:25:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-14 04:25:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:25:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-14 04:25:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:53,628 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-07-14 04:25:53,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:53,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798165248] [2022-07-14 04:25:53,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798165248] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:25:53,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233732099] [2022-07-14 04:25:53,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:53,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:25:53,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:25:53,630 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) [2022-07-14 04:25:53,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-14 04:25:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:54,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 5382 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:25:54,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:25:54,924 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-07-14 04:25:54,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:25:54,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233732099] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:54,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:25:54,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-14 04:25:54,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878720028] [2022-07-14 04:25:54,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:54,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:25:54,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:54,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:25:54,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:25:54,927 INFO L87 Difference]: Start difference. First operand 5167 states and 7004 transitions. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2022-07-14 04:25:55,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:55,252 INFO L93 Difference]: Finished difference Result 10368 states and 14069 transitions. [2022-07-14 04:25:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:25:55,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 569 [2022-07-14 04:25:55,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:55,267 INFO L225 Difference]: With dead ends: 10368 [2022-07-14 04:25:55,267 INFO L226 Difference]: Without dead ends: 5223 [2022-07-14 04:25:55,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 728 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:25:55,278 INFO L413 NwaCegarLoop]: 3103 mSDtfsCounter, 22 mSDsluCounter, 3066 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 6169 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:55,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 6169 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 04:25:55,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5223 states. [2022-07-14 04:25:55,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5223 to 5199. [2022-07-14 04:25:55,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5199 states, 3599 states have (on average 1.2575715476521256) internal successors, (4526), 3709 states have internal predecessors, (4526), 1259 states have call successors, (1259), 338 states have call predecessors, (1259), 339 states have return successors, (1261), 1222 states have call predecessors, (1261), 1259 states have call successors, (1261) [2022-07-14 04:25:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5199 states to 5199 states and 7046 transitions. [2022-07-14 04:25:55,508 INFO L78 Accepts]: Start accepts. Automaton has 5199 states and 7046 transitions. Word has length 569 [2022-07-14 04:25:55,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:55,509 INFO L495 AbstractCegarLoop]: Abstraction has 5199 states and 7046 transitions. [2022-07-14 04:25:55,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2022-07-14 04:25:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand 5199 states and 7046 transitions. [2022-07-14 04:25:55,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2022-07-14 04:25:55,518 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:55,518 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-07-14 04:25:55,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-14 04:25:55,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:25:55,719 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)] === [2022-07-14 04:25:55,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:55,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1485227893, now seen corresponding path program 1 times [2022-07-14 04:25:55,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:55,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050740878] [2022-07-14 04:25:55,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:55,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:25:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:25:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 04:25:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 04:25:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 04:25:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 04:25:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:25:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:25:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:25:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 04:25:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 04:25:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 04:25:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 04:25:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-14 04:25:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-14 04:25:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-14 04:25:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-14 04:25:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-14 04:25:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 04:25:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 04:25:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-14 04:25:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-14 04:25:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 04:25:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-14 04:25:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-14 04:25:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-14 04:25:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:25:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:25:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-14 04:25:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-14 04:25:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-14 04:25:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-07-14 04:25:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-14 04:25:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-14 04:25:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-14 04:25:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-14 04:25:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:25:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-14 04:25:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2022-07-14 04:25:56,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:56,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050740878] [2022-07-14 04:25:56,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050740878] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:25:56,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713059566] [2022-07-14 04:25:56,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:56,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:25:56,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:25:56,454 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) [2022-07-14 04:25:56,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-14 04:25:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:57,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 5525 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 04:25:57,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:25:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2022-07-14 04:25:57,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:25:57,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713059566] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:25:57,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:25:57,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-14 04:25:57,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358147818] [2022-07-14 04:25:57,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:25:57,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:25:57,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:25:57,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:25:57,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:25:57,781 INFO L87 Difference]: Start difference. First operand 5199 states and 7046 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-07-14 04:25:58,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:25:58,626 INFO L93 Difference]: Finished difference Result 10390 states and 14086 transitions. [2022-07-14 04:25:58,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:25:58,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 600 [2022-07-14 04:25:58,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:25:58,642 INFO L225 Difference]: With dead ends: 10390 [2022-07-14 04:25:58,642 INFO L226 Difference]: Without dead ends: 5213 [2022-07-14 04:25:58,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 769 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:25:58,656 INFO L413 NwaCegarLoop]: 3116 mSDtfsCounter, 6 mSDsluCounter, 3081 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 6197 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:25:58,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 6197 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 04:25:58,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5213 states. [2022-07-14 04:25:58,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5213 to 5203. [2022-07-14 04:25:58,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5203 states, 3603 states have (on average 1.2578406883152928) internal successors, (4532), 3713 states have internal predecessors, (4532), 1259 states have call successors, (1259), 338 states have call predecessors, (1259), 339 states have return successors, (1261), 1222 states have call predecessors, (1261), 1259 states have call successors, (1261) [2022-07-14 04:25:58,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 7052 transitions. [2022-07-14 04:25:58,949 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 7052 transitions. Word has length 600 [2022-07-14 04:25:58,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:25:58,949 INFO L495 AbstractCegarLoop]: Abstraction has 5203 states and 7052 transitions. [2022-07-14 04:25:58,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-07-14 04:25:58,950 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 7052 transitions. [2022-07-14 04:25:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2022-07-14 04:25:58,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:25:58,959 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-07-14 04:25:58,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-14 04:25:59,160 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,SelfDestructingSolverStorable23 [2022-07-14 04:25:59,163 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)] === [2022-07-14 04:25:59,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:25:59,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1336836792, now seen corresponding path program 1 times [2022-07-14 04:25:59,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:25:59,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779998190] [2022-07-14 04:25:59,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:59,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:25:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:25:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:25:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:25:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:25:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:25:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:25:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 04:25:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 04:25:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 04:25:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 04:25:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:25:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:25:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:25:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 04:25:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-14 04:25:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-14 04:25:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-14 04:25:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-14 04:25:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-14 04:25:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 04:25:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-14 04:25:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 04:25:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-14 04:25:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-14 04:25:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:25:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-14 04:25:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-14 04:25:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-14 04:25:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:25:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-14 04:25:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-14 04:25:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-14 04:25:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:25:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:25:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-14 04:25:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-14 04:25:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-14 04:25:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:25:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-14 04:25:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-14 04:25:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-14 04:25:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:25:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-14 04:25:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-14 04:25:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:25:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:25:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:25:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-14 04:25:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:25:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2022-07-14 04:25:59,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:25:59,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779998190] [2022-07-14 04:25:59,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779998190] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:25:59,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527274787] [2022-07-14 04:25:59,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:25:59,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:25:59,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:25:59,842 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 04:25:59,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-14 04:26:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:01,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 5529 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 04:26:01,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:26:01,132 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-07-14 04:26:01,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:26:01,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527274787] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:26:01,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:26:01,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-14 04:26:01,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054698135] [2022-07-14 04:26:01,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:26:01,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:26:01,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:26:01,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:26:01,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:26:01,134 INFO L87 Difference]: Start difference. First operand 5203 states and 7052 transitions. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-07-14 04:26:01,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:26:01,425 INFO L93 Difference]: Finished difference Result 11825 states and 16252 transitions. [2022-07-14 04:26:01,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:26:01,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 601 [2022-07-14 04:26:01,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:26:01,449 INFO L225 Difference]: With dead ends: 11825 [2022-07-14 04:26:01,449 INFO L226 Difference]: Without dead ends: 6644 [2022-07-14 04:26:01,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 779 GetRequests, 770 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:26:01,465 INFO L413 NwaCegarLoop]: 3717 mSDtfsCounter, 674 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 6911 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:26:01,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 6911 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:26:01,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6644 states. [2022-07-14 04:26:01,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6644 to 5205. [2022-07-14 04:26:01,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5205 states, 3605 states have (on average 1.2576976421636616) internal successors, (4534), 3715 states have internal predecessors, (4534), 1259 states have call successors, (1259), 338 states have call predecessors, (1259), 339 states have return successors, (1261), 1222 states have call predecessors, (1261), 1259 states have call successors, (1261) [2022-07-14 04:26:01,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 5205 states and 7054 transitions. [2022-07-14 04:26:01,739 INFO L78 Accepts]: Start accepts. Automaton has 5205 states and 7054 transitions. Word has length 601 [2022-07-14 04:26:01,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:26:01,739 INFO L495 AbstractCegarLoop]: Abstraction has 5205 states and 7054 transitions. [2022-07-14 04:26:01,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-07-14 04:26:01,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5205 states and 7054 transitions. [2022-07-14 04:26:01,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2022-07-14 04:26:01,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:26:01,749 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-07-14 04:26:01,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-14 04:26:01,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:26:01,950 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)] === [2022-07-14 04:26:01,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:26:01,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1766472266, now seen corresponding path program 1 times [2022-07-14 04:26:01,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:26:01,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258879924] [2022-07-14 04:26:01,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:26:01,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:26:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:26:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:26:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:26:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:26:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:26:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:26:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 04:26:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 04:26:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 04:26:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 04:26:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:26:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:26:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:26:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:26:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:26:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 04:26:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-14 04:26:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-14 04:26:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:26:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-14 04:26:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-14 04:26:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-14 04:26:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 04:26:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-14 04:26:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:26:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 04:26:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-14 04:26:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-14 04:26:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:26:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-14 04:26:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:26:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-14 04:26:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:26:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-14 04:26:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:26:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-14 04:26:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-14 04:26:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-14 04:26:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:26:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:26:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-14 04:26:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-14 04:26:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-14 04:26:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-14 04:26:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-14 04:26:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-14 04:26:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-14 04:26:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-14 04:26:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:26:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:26:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-14 04:26:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:02,651 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2022-07-14 04:26:02,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:26:02,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258879924] [2022-07-14 04:26:02,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258879924] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:26:02,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477670995] [2022-07-14 04:26:02,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:26:02,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:26:02,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:26:02,653 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 04:26:02,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-14 04:26:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:03,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 5530 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 04:26:03,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:26:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2022-07-14 04:26:04,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:26:04,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477670995] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:26:04,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:26:04,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 12 [2022-07-14 04:26:04,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912323740] [2022-07-14 04:26:04,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:26:04,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:26:04,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:26:04,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:26:04,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-07-14 04:26:04,332 INFO L87 Difference]: Start difference. First operand 5205 states and 7054 transitions. Second operand has 4 states, 4 states have (on average 77.25) internal successors, (309), 3 states have internal predecessors, (309), 2 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-07-14 04:26:06,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:26:06,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:26:06,600 INFO L93 Difference]: Finished difference Result 10397 states and 14086 transitions. [2022-07-14 04:26:06,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:26:06,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.25) internal successors, (309), 3 states have internal predecessors, (309), 2 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 601 [2022-07-14 04:26:06,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:26:06,623 INFO L225 Difference]: With dead ends: 10397 [2022-07-14 04:26:06,623 INFO L226 Difference]: Without dead ends: 5214 [2022-07-14 04:26:06,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 780 GetRequests, 769 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-07-14 04:26:06,641 INFO L413 NwaCegarLoop]: 3662 mSDtfsCounter, 2868 mSDsluCounter, 6733 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2868 SdHoareTripleChecker+Valid, 10395 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:26:06,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2868 Valid, 10395 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-14 04:26:06,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2022-07-14 04:26:06,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 5205. [2022-07-14 04:26:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5205 states, 3605 states have (on average 1.2574202496532594) internal successors, (4533), 3715 states have internal predecessors, (4533), 1259 states have call successors, (1259), 338 states have call predecessors, (1259), 339 states have return successors, (1261), 1222 states have call predecessors, (1261), 1259 states have call successors, (1261) [2022-07-14 04:26:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 5205 states and 7053 transitions. [2022-07-14 04:26:06,987 INFO L78 Accepts]: Start accepts. Automaton has 5205 states and 7053 transitions. Word has length 601 [2022-07-14 04:26:06,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:26:06,988 INFO L495 AbstractCegarLoop]: Abstraction has 5205 states and 7053 transitions. [2022-07-14 04:26:06,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.25) internal successors, (309), 3 states have internal predecessors, (309), 2 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-07-14 04:26:06,988 INFO L276 IsEmpty]: Start isEmpty. Operand 5205 states and 7053 transitions. [2022-07-14 04:26:06,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2022-07-14 04:26:06,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:26:06,998 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-07-14 04:26:07,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-14 04:26:07,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:26:07,199 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)] === [2022-07-14 04:26:07,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:26:07,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1283077640, now seen corresponding path program 1 times [2022-07-14 04:26:07,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:26:07,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504744799] [2022-07-14 04:26:07,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:26:07,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:26:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:26:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:26:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:26:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:26:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:26:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:26:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 04:26:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 04:26:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 04:26:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 04:26:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:26:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:26:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:26:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:26:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:26:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 04:26:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-14 04:26:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-14 04:26:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:26:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-14 04:26:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-14 04:26:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-14 04:26:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 04:26:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-14 04:26:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:26:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 04:26:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-14 04:26:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-14 04:26:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:26:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-14 04:26:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:26:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-14 04:26:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:26:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-14 04:26:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:26:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:26:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-14 04:26:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-14 04:26:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-14 04:26:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:26:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:26:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-14 04:26:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-14 04:26:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-14 04:26:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:26:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-14 04:26:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-14 04:26:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-14 04:26:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:26:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-14 04:26:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-14 04:26:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:26:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:26:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:26:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-14 04:26:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:07,874 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2022-07-14 04:26:07,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:26:07,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504744799] [2022-07-14 04:26:07,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504744799] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:26:07,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328483835] [2022-07-14 04:26:07,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:26:07,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:26:07,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:26:07,876 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 04:26:07,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-14 04:26:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:26:09,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 5533 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 04:26:09,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:26:09,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-07-14 04:26:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 299 proven. 3 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-07-14 04:26:09,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:26:09,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328483835] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:26:09,637 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:26:09,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 14 [2022-07-14 04:26:09,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123097976] [2022-07-14 04:26:09,637 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:26:09,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-14 04:26:09,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:26:09,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 04:26:09,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-07-14 04:26:09,639 INFO L87 Difference]: Start difference. First operand 5205 states and 7053 transitions. Second operand has 14 states, 10 states have (on average 38.6) internal successors, (386), 9 states have internal predecessors, (386), 9 states have call successors, (122), 5 states have call predecessors, (122), 5 states have return successors, (114), 7 states have call predecessors, (114), 9 states have call successors, (114) [2022-07-14 04:26:12,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:26:14,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:26:17,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:26:20,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:26:22,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:26:35,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:26:37,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:26:44,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:26:45,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:27:02,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:27:02,748 INFO L93 Difference]: Finished difference Result 12459 states and 17760 transitions. [2022-07-14 04:27:02,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-14 04:27:02,749 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 38.6) internal successors, (386), 9 states have internal predecessors, (386), 9 states have call successors, (122), 5 states have call predecessors, (122), 5 states have return successors, (114), 7 states have call predecessors, (114), 9 states have call successors, (114) Word has length 601 [2022-07-14 04:27:02,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:27:02,774 INFO L225 Difference]: With dead ends: 12459 [2022-07-14 04:27:02,774 INFO L226 Difference]: Without dead ends: 7276 [2022-07-14 04:27:02,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1228 GetRequests, 1197 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=875, Unknown=0, NotChecked=0, Total=1056 [2022-07-14 04:27:02,788 INFO L413 NwaCegarLoop]: 2759 mSDtfsCounter, 2986 mSDsluCounter, 12765 mSDsCounter, 0 mSdLazyCounter, 25146 mSolverCounterSat, 2222 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3496 SdHoareTripleChecker+Valid, 15524 SdHoareTripleChecker+Invalid, 27370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2222 IncrementalHoareTripleChecker+Valid, 25146 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:27:02,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 15524 Invalid, 27370 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2222 Valid, 25146 Invalid, 2 Unknown, 0 Unchecked, 52.0s Time] [2022-07-14 04:27:02,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7276 states. [2022-07-14 04:27:03,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7276 to 5318. [2022-07-14 04:27:03,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5318 states, 3697 states have (on average 1.2599404922910469) internal successors, (4658), 3806 states have internal predecessors, (4658), 1276 states have call successors, (1276), 342 states have call predecessors, (1276), 343 states have return successors, (1340), 1240 states have call predecessors, (1340), 1276 states have call successors, (1340) [2022-07-14 04:27:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5318 states to 5318 states and 7274 transitions. [2022-07-14 04:27:03,232 INFO L78 Accepts]: Start accepts. Automaton has 5318 states and 7274 transitions. Word has length 601 [2022-07-14 04:27:03,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:27:03,233 INFO L495 AbstractCegarLoop]: Abstraction has 5318 states and 7274 transitions. [2022-07-14 04:27:03,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 38.6) internal successors, (386), 9 states have internal predecessors, (386), 9 states have call successors, (122), 5 states have call predecessors, (122), 5 states have return successors, (114), 7 states have call predecessors, (114), 9 states have call successors, (114) [2022-07-14 04:27:03,233 INFO L276 IsEmpty]: Start isEmpty. Operand 5318 states and 7274 transitions. [2022-07-14 04:27:03,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2022-07-14 04:27:03,243 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:27:03,243 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-07-14 04:27:03,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-07-14 04:27:03,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-07-14 04:27:03,460 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)] === [2022-07-14 04:27:03,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:27:03,460 INFO L85 PathProgramCache]: Analyzing trace with hash 491131493, now seen corresponding path program 2 times [2022-07-14 04:27:03,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:27:03,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174250396] [2022-07-14 04:27:03,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:27:03,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:27:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:27:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:27:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:27:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:27:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:27:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:27:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 04:27:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 04:27:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 04:27:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 04:27:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:27:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:27:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:27:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:27:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:27:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-14 04:27:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 04:27:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 04:27:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-14 04:27:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-14 04:27:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-14 04:27:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-14 04:27:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 04:27:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:27:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-14 04:27:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-14 04:27:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-14 04:27:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:27:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-14 04:27:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-14 04:27:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-14 04:27:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-14 04:27:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-14 04:27:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-14 04:27:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:27:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:27:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-14 04:27:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-14 04:27:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-14 04:27:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-14 04:27:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-14 04:27:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-14 04:27:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-14 04:27:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-14 04:27:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:27:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-07-14 04:27:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2022-07-14 04:27:03,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:27:03,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174250396] [2022-07-14 04:27:03,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174250396] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:27:03,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820465188] [2022-07-14 04:27:03,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 04:27:03,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:27:03,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:27:03,987 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 04:27:03,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-14 04:27:05,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 04:27:05,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 04:27:05,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 2135 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-14 04:27:05,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:27:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2022-07-14 04:27:05,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:27:05,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820465188] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:27:05,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:27:05,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2022-07-14 04:27:05,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614306166] [2022-07-14 04:27:05,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:27:05,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:27:05,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:27:05,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:27:05,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:27:05,083 INFO L87 Difference]: Start difference. First operand 5318 states and 7274 transitions. Second operand has 5 states, 5 states have (on average 54.8) internal successors, (274), 4 states have internal predecessors, (274), 1 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2022-07-14 04:27:06,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:27:06,749 INFO L93 Difference]: Finished difference Result 10631 states and 14541 transitions. [2022-07-14 04:27:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:27:06,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.8) internal successors, (274), 4 states have internal predecessors, (274), 1 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 602 [2022-07-14 04:27:06,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:27:06,771 INFO L225 Difference]: With dead ends: 10631 [2022-07-14 04:27:06,771 INFO L226 Difference]: Without dead ends: 5317 [2022-07-14 04:27:06,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 769 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:27:06,786 INFO L413 NwaCegarLoop]: 3075 mSDtfsCounter, 3187 mSDsluCounter, 1864 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3187 SdHoareTripleChecker+Valid, 4939 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:27:06,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3187 Valid, 4939 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 04:27:06,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5317 states. [2022-07-14 04:27:07,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5317 to 5317. [2022-07-14 04:27:07,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5317 states, 3696 states have (on average 1.2591991341991342) internal successors, (4654), 3805 states have internal predecessors, (4654), 1276 states have call successors, (1276), 342 states have call predecessors, (1276), 343 states have return successors, (1340), 1240 states have call predecessors, (1340), 1276 states have call successors, (1340) [2022-07-14 04:27:07,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5317 states to 5317 states and 7270 transitions. [2022-07-14 04:27:07,205 INFO L78 Accepts]: Start accepts. Automaton has 5317 states and 7270 transitions. Word has length 602 [2022-07-14 04:27:07,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:27:07,205 INFO L495 AbstractCegarLoop]: Abstraction has 5317 states and 7270 transitions. [2022-07-14 04:27:07,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.8) internal successors, (274), 4 states have internal predecessors, (274), 1 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2022-07-14 04:27:07,205 INFO L276 IsEmpty]: Start isEmpty. Operand 5317 states and 7270 transitions. [2022-07-14 04:27:07,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2022-07-14 04:27:07,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:27:07,215 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-07-14 04:27:07,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-14 04:27:07,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-07-14 04:27:07,416 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)] === [2022-07-14 04:27:07,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:27:07,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1806275225, now seen corresponding path program 1 times [2022-07-14 04:27:07,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:27:07,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644729534] [2022-07-14 04:27:07,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:27:07,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:27:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:27:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:27:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:27:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:27:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:27:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:27:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 04:27:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 04:27:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 04:27:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 04:27:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:27:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:27:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:27:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:27:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:27:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-14 04:27:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 04:27:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 04:27:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-14 04:27:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-14 04:27:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-14 04:27:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-14 04:27:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 04:27:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:27:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-14 04:27:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-14 04:27:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-14 04:27:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:27:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-14 04:27:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-14 04:27:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-14 04:27:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-14 04:27:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-14 04:27:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-14 04:27:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:27:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:27:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-14 04:27:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-14 04:27:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-14 04:27:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:08,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:08,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-14 04:27:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-14 04:27:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:08,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-14 04:27:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-14 04:27:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-14 04:27:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:08,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:08,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:08,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:27:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:08,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-07-14 04:27:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2022-07-14 04:27:08,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:27:08,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644729534] [2022-07-14 04:27:08,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644729534] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:27:08,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461429351] [2022-07-14 04:27:08,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:27:08,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:27:08,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:27:08,039 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 04:27:08,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-14 04:27:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:09,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 5532 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 04:27:09,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:27:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 287 proven. 1 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-07-14 04:27:09,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:27:09,756 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2022-07-14 04:27:09,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461429351] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:27:09,756 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 04:27:09,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2022-07-14 04:27:09,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893880820] [2022-07-14 04:27:09,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 04:27:09,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 04:27:09,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:27:09,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 04:27:09,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-14 04:27:09,761 INFO L87 Difference]: Start difference. First operand 5317 states and 7270 transitions. Second operand has 9 states, 9 states have (on average 41.22222222222222) internal successors, (371), 6 states have internal predecessors, (371), 5 states have call successors, (118), 5 states have call predecessors, (118), 2 states have return successors, (105), 5 states have call predecessors, (105), 5 states have call successors, (105) [2022-07-14 04:27:16,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:27:19,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:27:19,679 INFO L93 Difference]: Finished difference Result 12364 states and 17250 transitions. [2022-07-14 04:27:19,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 04:27:19,679 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 41.22222222222222) internal successors, (371), 6 states have internal predecessors, (371), 5 states have call successors, (118), 5 states have call predecessors, (118), 2 states have return successors, (105), 5 states have call predecessors, (105), 5 states have call successors, (105) Word has length 602 [2022-07-14 04:27:19,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:27:19,701 INFO L225 Difference]: With dead ends: 12364 [2022-07-14 04:27:19,702 INFO L226 Difference]: Without dead ends: 7068 [2022-07-14 04:27:19,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1384 GetRequests, 1372 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-07-14 04:27:19,716 INFO L413 NwaCegarLoop]: 2691 mSDtfsCounter, 3343 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 4507 mSolverCounterSat, 3016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3721 SdHoareTripleChecker+Valid, 5453 SdHoareTripleChecker+Invalid, 7523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3016 IncrementalHoareTripleChecker+Valid, 4507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:27:19,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3721 Valid, 5453 Invalid, 7523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3016 Valid, 4507 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-07-14 04:27:19,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7068 states. [2022-07-14 04:27:20,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7068 to 5387. [2022-07-14 04:27:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5387 states, 3750 states have (on average 1.2581333333333333) internal successors, (4718), 3859 states have internal predecessors, (4718), 1292 states have call successors, (1292), 342 states have call predecessors, (1292), 343 states have return successors, (1364), 1256 states have call predecessors, (1364), 1292 states have call successors, (1364) [2022-07-14 04:27:20,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 5387 states and 7374 transitions. [2022-07-14 04:27:20,124 INFO L78 Accepts]: Start accepts. Automaton has 5387 states and 7374 transitions. Word has length 602 [2022-07-14 04:27:20,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:27:20,124 INFO L495 AbstractCegarLoop]: Abstraction has 5387 states and 7374 transitions. [2022-07-14 04:27:20,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 41.22222222222222) internal successors, (371), 6 states have internal predecessors, (371), 5 states have call successors, (118), 5 states have call predecessors, (118), 2 states have return successors, (105), 5 states have call predecessors, (105), 5 states have call successors, (105) [2022-07-14 04:27:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 7374 transitions. [2022-07-14 04:27:20,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2022-07-14 04:27:20,132 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:27:20,133 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 9, 9, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-07-14 04:27:20,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-07-14 04:27:20,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-14 04:27:20,333 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)] === [2022-07-14 04:27:20,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:27:20,334 INFO L85 PathProgramCache]: Analyzing trace with hash 285971655, now seen corresponding path program 2 times [2022-07-14 04:27:20,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:27:20,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163213127] [2022-07-14 04:27:20,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:27:20,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:27:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 04:27:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:27:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 04:27:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:27:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 04:27:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:27:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-14 04:27:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 04:27:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 04:27:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 04:27:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 04:27:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 04:27:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:27:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:27:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:27:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-14 04:27:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 04:27:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 04:27:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-14 04:27:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 04:27:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 04:27:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-14 04:27:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-14 04:27:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-14 04:27:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-14 04:27:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-14 04:27:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-14 04:27:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:27:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-14 04:27:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-14 04:27:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-14 04:27:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:27:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-14 04:27:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-14 04:27:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-14 04:27:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:27:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-14 04:27:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-14 04:27:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-07-14 04:27:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 04:27:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 04:27:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-14 04:27:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-14 04:27:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2022-07-14 04:27:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:27:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-14 04:27:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-14 04:27:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-14 04:27:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:27:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-07-14 04:27:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2022-07-14 04:27:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:27:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:27:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 04:27:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-07-14 04:27:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:27:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2022-07-14 04:27:20,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:27:20,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163213127] [2022-07-14 04:27:20,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163213127] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 04:27:20,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001162484] [2022-07-14 04:27:20,867 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 04:27:20,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:27:20,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:27:20,868 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 04:27:20,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-14 04:27:22,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-14 04:27:22,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 04:27:22,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 5818 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 04:27:22,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:27:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 323 proven. 12 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-07-14 04:27:22,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:27:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2022-07-14 04:27:22,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001162484] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:27:22,731 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 04:27:22,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-07-14 04:27:22,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360177507] [2022-07-14 04:27:22,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 04:27:22,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 04:27:22,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:27:22,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 04:27:22,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-14 04:27:22,734 INFO L87 Difference]: Start difference. First operand 5387 states and 7374 transitions. Second operand has 12 states, 12 states have (on average 32.583333333333336) internal successors, (391), 9 states have internal predecessors, (391), 8 states have call successors, (124), 5 states have call predecessors, (124), 2 states have return successors, (112), 8 states have call predecessors, (112), 8 states have call successors, (112) [2022-07-14 04:27:26,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:27:35,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:27:35,380 INFO L93 Difference]: Finished difference Result 7189 states and 9789 transitions. [2022-07-14 04:27:35,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 04:27:35,381 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 32.583333333333336) internal successors, (391), 9 states have internal predecessors, (391), 8 states have call successors, (124), 5 states have call predecessors, (124), 2 states have return successors, (112), 8 states have call predecessors, (112), 8 states have call successors, (112) Word has length 664 [2022-07-14 04:27:35,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:27:35,383 INFO L225 Difference]: With dead ends: 7189 [2022-07-14 04:27:35,383 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 04:27:35,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1534 GetRequests, 1515 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2022-07-14 04:27:35,394 INFO L413 NwaCegarLoop]: 1575 mSDtfsCounter, 1863 mSDsluCounter, 1384 mSDsCounter, 0 mSdLazyCounter, 5244 mSolverCounterSat, 1215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 2959 SdHoareTripleChecker+Invalid, 6459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1215 IncrementalHoareTripleChecker+Valid, 5244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:27:35,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 2959 Invalid, 6459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1215 Valid, 5244 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2022-07-14 04:27:35,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 04:27:35,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 04:27:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 04:27:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 04:27:35,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 664 [2022-07-14 04:27:35,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:27:35,396 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 04:27:35,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 32.583333333333336) internal successors, (391), 9 states have internal predecessors, (391), 8 states have call successors, (124), 5 states have call predecessors, (124), 2 states have return successors, (112), 8 states have call predecessors, (112), 8 states have call successors, (112) [2022-07-14 04:27:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 04:27:35,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 04:27:35,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-07-14 04:27:35,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-07-14 04:27:35,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-07-14 04:27:35,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-14 04:27:35,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 04:27:35,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.