./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5e82a719a5cd0ec3a30cd42dbacb612fd330a6d3aa584d331bc796b2ce8b6a55 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 08:02:14,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 08:02:14,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 08:02:14,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 08:02:14,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 08:02:14,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 08:02:14,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 08:02:14,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 08:02:14,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 08:02:14,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 08:02:14,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 08:02:14,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 08:02:14,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 08:02:14,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 08:02:14,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 08:02:14,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 08:02:14,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 08:02:14,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 08:02:14,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 08:02:14,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 08:02:14,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 08:02:14,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 08:02:14,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 08:02:14,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 08:02:14,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 08:02:14,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 08:02:14,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 08:02:14,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 08:02:14,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 08:02:14,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 08:02:14,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 08:02:14,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 08:02:14,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 08:02:14,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 08:02:14,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 08:02:14,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 08:02:14,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 08:02:14,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 08:02:14,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 08:02:14,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 08:02:14,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 08:02:14,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 08:02:14,770 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 08:02:14,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 08:02:14,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 08:02:14,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 08:02:14,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 08:02:14,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 08:02:14,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 08:02:14,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 08:02:14,773 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 08:02:14,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 08:02:14,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 08:02:14,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 08:02:14,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 08:02:14,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 08:02:14,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 08:02:14,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 08:02:14,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 08:02:14,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 08:02:14,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 08:02:14,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 08:02:14,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 08:02:14,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 08:02:14,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 08:02:14,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 08:02:14,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 08:02:14,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 08:02:14,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 08:02:14,776 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 08:02:14,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 08:02:14,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 08:02:14,777 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 08:02:14,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e82a719a5cd0ec3a30cd42dbacb612fd330a6d3aa584d331bc796b2ce8b6a55 [2021-11-17 08:02:14,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 08:02:14,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 08:02:14,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 08:02:14,986 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 08:02:14,986 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 08:02:14,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i [2021-11-17 08:02:15,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8d68475/000df301222b4d54a37c1541389d1fbd/FLAGf0197ff91 [2021-11-17 08:02:15,712 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 08:02:15,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i [2021-11-17 08:02:15,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8d68475/000df301222b4d54a37c1541389d1fbd/FLAGf0197ff91 [2021-11-17 08:02:16,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8d68475/000df301222b4d54a37c1541389d1fbd [2021-11-17 08:02:16,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 08:02:16,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 08:02:16,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 08:02:16,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 08:02:16,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 08:02:16,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:02:16" (1/1) ... [2021-11-17 08:02:16,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3205e07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:16, skipping insertion in model container [2021-11-17 08:02:16,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:02:16" (1/1) ... [2021-11-17 08:02:16,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 08:02:16,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 08:02:18,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350019,350032] [2021-11-17 08:02:18,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350188,350201] [2021-11-17 08:02:18,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350355,350368] [2021-11-17 08:02:18,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350523,350536] [2021-11-17 08:02:18,488 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 08:02:18,532 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 08:02:18,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350019,350032] [2021-11-17 08:02:18,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350188,350201] [2021-11-17 08:02:18,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350355,350368] [2021-11-17 08:02:18,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i[350523,350536] [2021-11-17 08:02:18,832 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 08:02:18,957 INFO L208 MainTranslator]: Completed translation [2021-11-17 08:02:18,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:18 WrapperNode [2021-11-17 08:02:18,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 08:02:18,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 08:02:18,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 08:02:18,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 08:02:18,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:18" (1/1) ... [2021-11-17 08:02:19,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:18" (1/1) ... [2021-11-17 08:02:19,233 INFO L137 Inliner]: procedures = 407, calls = 2544, calls flagged for inlining = 197, calls inlined = 171, statements flattened = 4947 [2021-11-17 08:02:19,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 08:02:19,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 08:02:19,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 08:02:19,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 08:02:19,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:18" (1/1) ... [2021-11-17 08:02:19,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:18" (1/1) ... [2021-11-17 08:02:19,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:18" (1/1) ... [2021-11-17 08:02:19,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:18" (1/1) ... [2021-11-17 08:02:19,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:18" (1/1) ... [2021-11-17 08:02:19,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:18" (1/1) ... [2021-11-17 08:02:19,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:18" (1/1) ... [2021-11-17 08:02:19,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 08:02:19,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 08:02:19,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 08:02:19,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 08:02:19,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:18" (1/1) ... [2021-11-17 08:02:19,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 08:02:19,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 08:02:19,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 08:02:19,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 08:02:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-11-17 08:02:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-11-17 08:02:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2021-11-17 08:02:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2021-11-17 08:02:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-11-17 08:02:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-11-17 08:02:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 08:02:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 08:02:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2021-11-17 08:02:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2021-11-17 08:02:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 08:02:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 08:02:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2021-11-17 08:02:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2021-11-17 08:02:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_70 [2021-11-17 08:02:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_70 [2021-11-17 08:02:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 08:02:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 08:02:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 08:02:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 08:02:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 08:02:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 08:02:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2021-11-17 08:02:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2021-11-17 08:02:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 08:02:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 08:02:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 08:02:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2021-11-17 08:02:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2021-11-17 08:02:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 08:02:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 08:02:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-17 08:02:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-17 08:02:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 08:02:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 08:02:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 08:02:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-17 08:02:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-17 08:02:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 08:02:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 08:02:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 08:02:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 08:02:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2021-11-17 08:02:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2021-11-17 08:02:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 08:02:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 08:02:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 08:02:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 08:02:19,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 08:02:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 08:02:19,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 08:02:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smc91c92_cs_driver_exit_13_2 [2021-11-17 08:02:19,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smc91c92_cs_driver_exit_13_2 [2021-11-17 08:02:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 08:02:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 08:02:19,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 08:02:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 08:02:19,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 08:02:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 08:02:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 08:02:19,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 08:02:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2021-11-17 08:02:19,497 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2021-11-17 08:02:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 08:02:19,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 08:02:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2021-11-17 08:02:19,498 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2021-11-17 08:02:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-17 08:02:19,498 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-17 08:02:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-17 08:02:19,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-17 08:02:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 08:02:19,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 08:02:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 08:02:19,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 08:02:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2021-11-17 08:02:19,499 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2021-11-17 08:02:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 08:02:19,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 08:02:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 08:02:19,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 08:02:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_smc_private [2021-11-17 08:02:19,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_smc_private [2021-11-17 08:02:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2021-11-17 08:02:19,500 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2021-11-17 08:02:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 08:02:19,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 08:02:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2021-11-17 08:02:19,500 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2021-11-17 08:02:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-17 08:02:19,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-17 08:02:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 08:02:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 08:02:19,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 08:02:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 08:02:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-17 08:02:19,502 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-17 08:02:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2021-11-17 08:02:19,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2021-11-17 08:02:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 08:02:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2021-11-17 08:02:19,502 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2021-11-17 08:02:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-17 08:02:19,502 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-17 08:02:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 08:02:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 08:02:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-17 08:02:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-17 08:02:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 08:02:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 08:02:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-17 08:02:19,504 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-17 08:02:19,504 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-17 08:02:19,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-17 08:02:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 08:02:19,507 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 08:02:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 08:02:19,507 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 08:02:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 08:02:19,507 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 08:02:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 08:02:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2021-11-17 08:02:19,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2021-11-17 08:02:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2021-11-17 08:02:19,512 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2021-11-17 08:02:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 08:02:19,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 08:02:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_smc_private [2021-11-17 08:02:19,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_smc_private [2021-11-17 08:02:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2021-11-17 08:02:19,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2021-11-17 08:02:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 08:02:19,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 08:02:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure smc_interrupt [2021-11-17 08:02:19,513 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_interrupt [2021-11-17 08:02:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-17 08:02:19,513 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-17 08:02:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 08:02:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-11-17 08:02:19,514 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-11-17 08:02:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 08:02:19,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 08:02:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-17 08:02:19,514 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-17 08:02:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-17 08:02:19,514 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-17 08:02:20,049 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 08:02:20,051 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 08:02:20,214 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 08:02:24,210 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 08:02:24,260 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 08:02:24,271 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 08:02:24,272 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 08:02:24,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 08:02:24 BoogieIcfgContainer [2021-11-17 08:02:24,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 08:02:24,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 08:02:24,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 08:02:24,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 08:02:24,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 08:02:16" (1/3) ... [2021-11-17 08:02:24,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db9a9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 08:02:24, skipping insertion in model container [2021-11-17 08:02:24,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:02:18" (2/3) ... [2021-11-17 08:02:24,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db9a9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 08:02:24, skipping insertion in model container [2021-11-17 08:02:24,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 08:02:24" (3/3) ... [2021-11-17 08:02:24,280 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smc91c92_cs.cil.i [2021-11-17 08:02:24,283 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 08:02:24,283 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 08:02:24,316 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 08:02:24,321 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 08:02:24,321 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 08:02:24,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 1580 states, 1047 states have (on average 1.2865329512893984) internal successors, (1347), 1068 states have internal predecessors, (1347), 464 states have call successors, (464), 67 states have call predecessors, (464), 66 states have return successors, (458), 456 states have call predecessors, (458), 458 states have call successors, (458) [2021-11-17 08:02:24,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-17 08:02:24,386 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:24,387 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:02:24,388 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:02:24,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:24,395 INFO L85 PathProgramCache]: Analyzing trace with hash -722600174, now seen corresponding path program 1 times [2021-11-17 08:02:24,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:24,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173589897] [2021-11-17 08:02:24,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:24,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:24,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:24,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:24,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:02:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:02:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 08:02:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:25,189 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-11-17 08:02:25,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:25,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173589897] [2021-11-17 08:02:25,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173589897] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:25,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:25,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:02:25,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122737508] [2021-11-17 08:02:25,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:25,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:02:25,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:25,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:02:25,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:02:25,217 INFO L87 Difference]: Start difference. First operand has 1580 states, 1047 states have (on average 1.2865329512893984) internal successors, (1347), 1068 states have internal predecessors, (1347), 464 states have call successors, (464), 67 states have call predecessors, (464), 66 states have return successors, (458), 456 states have call predecessors, (458), 458 states have call successors, (458) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-17 08:02:27,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:31,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:02:31,315 INFO L93 Difference]: Finished difference Result 4614 states and 6745 transitions. [2021-11-17 08:02:31,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:02:31,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 160 [2021-11-17 08:02:31,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:02:31,359 INFO L225 Difference]: With dead ends: 4614 [2021-11-17 08:02:31,361 INFO L226 Difference]: Without dead ends: 3053 [2021-11-17 08:02:31,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:02:31,411 INFO L933 BasicCegarLoop]: 2499 mSDtfsCounter, 2322 mSDsluCounter, 2801 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 1141 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2728 SdHoareTripleChecker+Valid, 5300 SdHoareTripleChecker+Invalid, 2478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1141 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-17 08:02:31,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2728 Valid, 5300 Invalid, 2478 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1141 Valid, 1336 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2021-11-17 08:02:31,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2021-11-17 08:02:31,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 3023. [2021-11-17 08:02:31,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3023 states, 2020 states have (on average 1.2846534653465347) internal successors, (2595), 2061 states have internal predecessors, (2595), 872 states have call successors, (872), 129 states have call predecessors, (872), 128 states have return successors, (868), 864 states have call predecessors, (868), 868 states have call successors, (868) [2021-11-17 08:02:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 3023 states and 4335 transitions. [2021-11-17 08:02:31,632 INFO L78 Accepts]: Start accepts. Automaton has 3023 states and 4335 transitions. Word has length 160 [2021-11-17 08:02:31,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:02:31,634 INFO L470 AbstractCegarLoop]: Abstraction has 3023 states and 4335 transitions. [2021-11-17 08:02:31,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-17 08:02:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3023 states and 4335 transitions. [2021-11-17 08:02:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-17 08:02:31,643 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:31,643 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:02:31,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 08:02:31,644 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:02:31,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:31,644 INFO L85 PathProgramCache]: Analyzing trace with hash 364420555, now seen corresponding path program 1 times [2021-11-17 08:02:31,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:31,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378250144] [2021-11-17 08:02:31,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:31,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:31,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:32,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:32,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:32,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:02:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:32,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:02:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 08:02:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 08:02:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-11-17 08:02:32,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:32,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378250144] [2021-11-17 08:02:32,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378250144] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:32,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:32,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:02:32,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747297082] [2021-11-17 08:02:32,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:32,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:02:32,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:32,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:02:32,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:02:32,077 INFO L87 Difference]: Start difference. First operand 3023 states and 4335 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-17 08:02:34,111 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:36,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:39,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:02:39,268 INFO L93 Difference]: Finished difference Result 8491 states and 12203 transitions. [2021-11-17 08:02:39,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:02:39,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 170 [2021-11-17 08:02:39,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:02:39,300 INFO L225 Difference]: With dead ends: 8491 [2021-11-17 08:02:39,300 INFO L226 Difference]: Without dead ends: 5497 [2021-11-17 08:02:39,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:02:39,313 INFO L933 BasicCegarLoop]: 2424 mSDtfsCounter, 1983 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 1102 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2329 SdHoareTripleChecker+Valid, 5188 SdHoareTripleChecker+Invalid, 2409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1102 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-17 08:02:39,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2329 Valid, 5188 Invalid, 2409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1102 Valid, 1305 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2021-11-17 08:02:39,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5497 states. [2021-11-17 08:02:39,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5497 to 5416. [2021-11-17 08:02:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 3615 states have (on average 1.2857538035961273) internal successors, (4648), 3695 states have internal predecessors, (4648), 1555 states have call successors, (1555), 248 states have call predecessors, (1555), 243 states have return successors, (1551), 1532 states have call predecessors, (1551), 1551 states have call successors, (1551) [2021-11-17 08:02:39,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 7754 transitions. [2021-11-17 08:02:39,549 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 7754 transitions. Word has length 170 [2021-11-17 08:02:39,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:02:39,550 INFO L470 AbstractCegarLoop]: Abstraction has 5416 states and 7754 transitions. [2021-11-17 08:02:39,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-17 08:02:39,550 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 7754 transitions. [2021-11-17 08:02:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-17 08:02:39,553 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:39,554 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:02:39,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 08:02:39,554 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:02:39,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:39,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1654927065, now seen corresponding path program 1 times [2021-11-17 08:02:39,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:39,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993420899] [2021-11-17 08:02:39,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:39,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:02:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:02:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 08:02:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-17 08:02:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 08:02:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:39,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:40,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 08:02:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-11-17 08:02:40,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:40,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993420899] [2021-11-17 08:02:40,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993420899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:40,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:40,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:02:40,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162114957] [2021-11-17 08:02:40,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:40,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:02:40,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:40,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:02:40,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:02:40,016 INFO L87 Difference]: Start difference. First operand 5416 states and 7754 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 08:02:42,098 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:44,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:02:44,340 INFO L93 Difference]: Finished difference Result 10814 states and 15502 transitions. [2021-11-17 08:02:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:02:44,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 185 [2021-11-17 08:02:44,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:02:44,367 INFO L225 Difference]: With dead ends: 10814 [2021-11-17 08:02:44,367 INFO L226 Difference]: Without dead ends: 5427 [2021-11-17 08:02:44,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:02:44,388 INFO L933 BasicCegarLoop]: 2126 mSDtfsCounter, 2012 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 742 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2330 SdHoareTripleChecker+Valid, 3125 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 742 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:02:44,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2330 Valid, 3125 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [742 Valid, 526 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-17 08:02:44,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5427 states. [2021-11-17 08:02:44,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5427 to 5373. [2021-11-17 08:02:44,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5373 states, 3592 states have (on average 1.2822939866369711) internal successors, (4606), 3672 states have internal predecessors, (4606), 1531 states have call successors, (1531), 252 states have call predecessors, (1531), 247 states have return successors, (1527), 1508 states have call predecessors, (1527), 1527 states have call successors, (1527) [2021-11-17 08:02:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5373 states to 5373 states and 7664 transitions. [2021-11-17 08:02:44,626 INFO L78 Accepts]: Start accepts. Automaton has 5373 states and 7664 transitions. Word has length 185 [2021-11-17 08:02:44,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:02:44,628 INFO L470 AbstractCegarLoop]: Abstraction has 5373 states and 7664 transitions. [2021-11-17 08:02:44,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 08:02:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 5373 states and 7664 transitions. [2021-11-17 08:02:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-17 08:02:44,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:44,631 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:02:44,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 08:02:44,631 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:02:44,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:44,632 INFO L85 PathProgramCache]: Analyzing trace with hash -184758672, now seen corresponding path program 1 times [2021-11-17 08:02:44,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:44,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511714359] [2021-11-17 08:02:44,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:44,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:02:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:02:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 08:02:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 08:02:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 08:02:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:44,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 08:02:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:45,001 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-11-17 08:02:45,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:45,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511714359] [2021-11-17 08:02:45,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511714359] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:45,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:45,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:02:45,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988396557] [2021-11-17 08:02:45,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:45,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:02:45,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:45,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:02:45,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:02:45,004 INFO L87 Difference]: Start difference. First operand 5373 states and 7664 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 08:02:47,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:49,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:02:49,048 INFO L93 Difference]: Finished difference Result 9794 states and 13908 transitions. [2021-11-17 08:02:49,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:02:49,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 184 [2021-11-17 08:02:49,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:02:49,068 INFO L225 Difference]: With dead ends: 9794 [2021-11-17 08:02:49,069 INFO L226 Difference]: Without dead ends: 4471 [2021-11-17 08:02:49,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:02:49,085 INFO L933 BasicCegarLoop]: 1796 mSDtfsCounter, 1753 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 660 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1997 SdHoareTripleChecker+Valid, 2628 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-17 08:02:49,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1997 Valid, 2628 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 441 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-11-17 08:02:49,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4471 states. [2021-11-17 08:02:49,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4471 to 4417. [2021-11-17 08:02:49,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4417 states, 2998 states have (on average 1.275517011340894) internal successors, (3824), 3056 states have internal predecessors, (3824), 1185 states have call successors, (1185), 236 states have call predecessors, (1185), 231 states have return successors, (1181), 1162 states have call predecessors, (1181), 1181 states have call successors, (1181) [2021-11-17 08:02:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4417 states to 4417 states and 6190 transitions. [2021-11-17 08:02:49,307 INFO L78 Accepts]: Start accepts. Automaton has 4417 states and 6190 transitions. Word has length 184 [2021-11-17 08:02:49,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:02:49,307 INFO L470 AbstractCegarLoop]: Abstraction has 4417 states and 6190 transitions. [2021-11-17 08:02:49,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 08:02:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 4417 states and 6190 transitions. [2021-11-17 08:02:49,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-17 08:02:49,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:49,310 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:02:49,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 08:02:49,311 INFO L402 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)] === [2021-11-17 08:02:49,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:49,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1186646782, now seen corresponding path program 1 times [2021-11-17 08:02:49,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:49,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338778301] [2021-11-17 08:02:49,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:49,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:02:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:02:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:02:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:02:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:02:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:02:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:02:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:02:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:02:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2021-11-17 08:02:49,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:49,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338778301] [2021-11-17 08:02:49,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338778301] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:49,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:49,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:02:49,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984633443] [2021-11-17 08:02:49,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:49,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:02:49,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:49,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:02:49,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:02:49,631 INFO L87 Difference]: Start difference. First operand 4417 states and 6190 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-17 08:02:51,664 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:54,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:02:54,531 INFO L93 Difference]: Finished difference Result 8890 states and 12492 transitions. [2021-11-17 08:02:54,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:02:54,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 216 [2021-11-17 08:02:54,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:02:54,580 INFO L225 Difference]: With dead ends: 8890 [2021-11-17 08:02:54,580 INFO L226 Difference]: Without dead ends: 6617 [2021-11-17 08:02:54,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:02:54,592 INFO L933 BasicCegarLoop]: 3415 mSDtfsCounter, 1684 mSDsluCounter, 2979 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 627 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 6394 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 627 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-17 08:02:54,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2004 Valid, 6394 Invalid, 1830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [627 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2021-11-17 08:02:54,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6617 states. [2021-11-17 08:02:54,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6617 to 6533. [2021-11-17 08:02:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6533 states, 4442 states have (on average 1.2764520486267448) internal successors, (5670), 4525 states have internal predecessors, (5670), 1745 states have call successors, (1745), 350 states have call predecessors, (1745), 343 states have return successors, (1741), 1714 states have call predecessors, (1741), 1741 states have call successors, (1741) [2021-11-17 08:02:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6533 states to 6533 states and 9156 transitions. [2021-11-17 08:02:54,874 INFO L78 Accepts]: Start accepts. Automaton has 6533 states and 9156 transitions. Word has length 216 [2021-11-17 08:02:54,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:02:54,875 INFO L470 AbstractCegarLoop]: Abstraction has 6533 states and 9156 transitions. [2021-11-17 08:02:54,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-17 08:02:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 6533 states and 9156 transitions. [2021-11-17 08:02:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-17 08:02:54,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:54,878 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:02:54,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 08:02:54,878 INFO L402 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)] === [2021-11-17 08:02:54,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:54,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1046098172, now seen corresponding path program 1 times [2021-11-17 08:02:54,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:54,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399013771] [2021-11-17 08:02:54,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:54,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:02:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:02:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:02:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:02:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:02:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:02:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:02:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:02:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:02:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2021-11-17 08:02:55,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:55,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399013771] [2021-11-17 08:02:55,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399013771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:55,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:55,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:02:55,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225818941] [2021-11-17 08:02:55,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:55,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:02:55,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:55,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:02:55,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:02:55,357 INFO L87 Difference]: Start difference. First operand 6533 states and 9156 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 08:02:57,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:02:57,531 INFO L93 Difference]: Finished difference Result 6619 states and 9306 transitions. [2021-11-17 08:02:57,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:02:57,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 216 [2021-11-17 08:02:57,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:02:57,556 INFO L225 Difference]: With dead ends: 6619 [2021-11-17 08:02:57,557 INFO L226 Difference]: Without dead ends: 6617 [2021-11-17 08:02:57,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:02:57,562 INFO L933 BasicCegarLoop]: 1777 mSDtfsCounter, 1757 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1994 SdHoareTripleChecker+Valid, 5546 SdHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 658 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-17 08:02:57,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1994 Valid, 5546 Invalid, 1859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [658 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-17 08:02:57,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6617 states. [2021-11-17 08:02:57,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6617 to 6537. [2021-11-17 08:02:57,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6537 states, 4445 states have (on average 1.276265466816648) internal successors, (5673), 4528 states have internal predecessors, (5673), 1745 states have call successors, (1745), 351 states have call predecessors, (1745), 344 states have return successors, (1741), 1714 states have call predecessors, (1741), 1741 states have call successors, (1741) [2021-11-17 08:02:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6537 states to 6537 states and 9159 transitions. [2021-11-17 08:02:57,810 INFO L78 Accepts]: Start accepts. Automaton has 6537 states and 9159 transitions. Word has length 216 [2021-11-17 08:02:57,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:02:57,813 INFO L470 AbstractCegarLoop]: Abstraction has 6537 states and 9159 transitions. [2021-11-17 08:02:57,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 08:02:57,813 INFO L276 IsEmpty]: Start isEmpty. Operand 6537 states and 9159 transitions. [2021-11-17 08:02:57,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-17 08:02:57,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:57,817 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:02:57,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 08:02:57,817 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:02:57,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:57,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1736223341, now seen corresponding path program 1 times [2021-11-17 08:02:57,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:57,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120906815] [2021-11-17 08:02:57,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:57,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:02:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:02:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:02:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:02:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:02:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:02:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:02:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:02:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:02:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:02:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:58,228 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2021-11-17 08:02:58,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:58,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120906815] [2021-11-17 08:02:58,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120906815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:58,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:58,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:02:58,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994941487] [2021-11-17 08:02:58,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:58,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:02:58,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:58,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:02:58,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:02:58,231 INFO L87 Difference]: Start difference. First operand 6537 states and 9159 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 08:03:00,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:00,978 INFO L93 Difference]: Finished difference Result 6623 states and 9309 transitions. [2021-11-17 08:03:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:03:00,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 221 [2021-11-17 08:03:00,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:01,000 INFO L225 Difference]: With dead ends: 6623 [2021-11-17 08:03:01,001 INFO L226 Difference]: Without dead ends: 6621 [2021-11-17 08:03:01,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:03:01,006 INFO L933 BasicCegarLoop]: 1781 mSDtfsCounter, 1748 mSDsluCounter, 3771 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 1858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 657 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:01,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1985 Valid, 5552 Invalid, 1858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [657 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-17 08:03:01,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6621 states. [2021-11-17 08:03:01,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6621 to 6541. [2021-11-17 08:03:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6541 states, 4448 states have (on average 1.2760791366906474) internal successors, (5676), 4531 states have internal predecessors, (5676), 1745 states have call successors, (1745), 352 states have call predecessors, (1745), 345 states have return successors, (1741), 1714 states have call predecessors, (1741), 1741 states have call successors, (1741) [2021-11-17 08:03:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6541 states to 6541 states and 9162 transitions. [2021-11-17 08:03:01,237 INFO L78 Accepts]: Start accepts. Automaton has 6541 states and 9162 transitions. Word has length 221 [2021-11-17 08:03:01,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:01,237 INFO L470 AbstractCegarLoop]: Abstraction has 6541 states and 9162 transitions. [2021-11-17 08:03:01,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 08:03:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 6541 states and 9162 transitions. [2021-11-17 08:03:01,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-17 08:03:01,242 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:01,242 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:03:01,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 08:03:01,243 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:03:01,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:01,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1610653796, now seen corresponding path program 1 times [2021-11-17 08:03:01,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:01,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707681578] [2021-11-17 08:03:01,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:01,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:03:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:03:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:03:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:03:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:03:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:03:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:03:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:03:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 08:03:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:01,694 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2021-11-17 08:03:01,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:01,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707681578] [2021-11-17 08:03:01,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707681578] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:01,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:01,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:03:01,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533558418] [2021-11-17 08:03:01,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:01,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:03:01,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:01,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:03:01,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:03:01,696 INFO L87 Difference]: Start difference. First operand 6541 states and 9162 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 08:03:03,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:05,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:05,962 INFO L93 Difference]: Finished difference Result 6627 states and 9312 transitions. [2021-11-17 08:03:05,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:03:05,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 226 [2021-11-17 08:03:05,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:05,990 INFO L225 Difference]: With dead ends: 6627 [2021-11-17 08:03:05,990 INFO L226 Difference]: Without dead ends: 6625 [2021-11-17 08:03:05,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:03:05,995 INFO L933 BasicCegarLoop]: 1780 mSDtfsCounter, 1749 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 656 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 5549 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:05,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1986 Valid, 5549 Invalid, 1857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 1200 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-11-17 08:03:06,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6625 states. [2021-11-17 08:03:06,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6625 to 6545. [2021-11-17 08:03:06,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6545 states, 4451 states have (on average 1.2758930577398337) internal successors, (5679), 4534 states have internal predecessors, (5679), 1745 states have call successors, (1745), 353 states have call predecessors, (1745), 346 states have return successors, (1741), 1714 states have call predecessors, (1741), 1741 states have call successors, (1741) [2021-11-17 08:03:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6545 states to 6545 states and 9165 transitions. [2021-11-17 08:03:06,249 INFO L78 Accepts]: Start accepts. Automaton has 6545 states and 9165 transitions. Word has length 226 [2021-11-17 08:03:06,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:06,249 INFO L470 AbstractCegarLoop]: Abstraction has 6545 states and 9165 transitions. [2021-11-17 08:03:06,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 08:03:06,249 INFO L276 IsEmpty]: Start isEmpty. Operand 6545 states and 9165 transitions. [2021-11-17 08:03:06,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-17 08:03:06,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:06,254 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:03:06,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 08:03:06,254 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:03:06,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:06,255 INFO L85 PathProgramCache]: Analyzing trace with hash -95951731, now seen corresponding path program 1 times [2021-11-17 08:03:06,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:06,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022597579] [2021-11-17 08:03:06,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:06,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:03:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:03:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:03:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:03:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:03:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:03:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:03:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:03:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 08:03:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:03:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:06,632 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2021-11-17 08:03:06,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:06,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022597579] [2021-11-17 08:03:06,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022597579] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:06,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:06,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:03:06,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820669370] [2021-11-17 08:03:06,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:06,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:03:06,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:06,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:03:06,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:03:06,636 INFO L87 Difference]: Start difference. First operand 6545 states and 9165 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 08:03:08,671 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:10,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:10,833 INFO L93 Difference]: Finished difference Result 6631 states and 9315 transitions. [2021-11-17 08:03:10,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:03:10,834 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 231 [2021-11-17 08:03:10,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:10,863 INFO L225 Difference]: With dead ends: 6631 [2021-11-17 08:03:10,863 INFO L226 Difference]: Without dead ends: 6629 [2021-11-17 08:03:10,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:03:10,870 INFO L933 BasicCegarLoop]: 1781 mSDtfsCounter, 1748 mSDsluCounter, 3771 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 655 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 1856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:10,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1985 Valid, 5552 Invalid, 1856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [655 Valid, 1200 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-11-17 08:03:10,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6629 states. [2021-11-17 08:03:11,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6629 to 6549. [2021-11-17 08:03:11,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6549 states, 4454 states have (on average 1.2757072294566683) internal successors, (5682), 4537 states have internal predecessors, (5682), 1745 states have call successors, (1745), 354 states have call predecessors, (1745), 347 states have return successors, (1741), 1714 states have call predecessors, (1741), 1741 states have call successors, (1741) [2021-11-17 08:03:11,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6549 states to 6549 states and 9168 transitions. [2021-11-17 08:03:11,157 INFO L78 Accepts]: Start accepts. Automaton has 6549 states and 9168 transitions. Word has length 231 [2021-11-17 08:03:11,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:11,158 INFO L470 AbstractCegarLoop]: Abstraction has 6549 states and 9168 transitions. [2021-11-17 08:03:11,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 08:03:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 6549 states and 9168 transitions. [2021-11-17 08:03:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-17 08:03:11,163 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:11,163 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 5, 5, 5, 5, 4, 4, 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] [2021-11-17 08:03:11,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 08:03:11,163 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:03:11,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:11,164 INFO L85 PathProgramCache]: Analyzing trace with hash -153909869, now seen corresponding path program 1 times [2021-11-17 08:03:11,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:11,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558974538] [2021-11-17 08:03:11,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:11,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:03:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:03:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:03:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:03:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:03:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:03:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:03:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:03:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 08:03:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:03:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 08:03:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:03:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 08:03:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 833 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2021-11-17 08:03:11,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:11,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558974538] [2021-11-17 08:03:11,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558974538] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:11,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:11,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:03:11,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163305958] [2021-11-17 08:03:11,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:11,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:03:11,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:11,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:03:11,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:03:11,487 INFO L87 Difference]: Start difference. First operand 6549 states and 9168 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-17 08:03:13,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:16,986 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:21,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:21,081 INFO L93 Difference]: Finished difference Result 13216 states and 18536 transitions. [2021-11-17 08:03:21,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 08:03:21,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 247 [2021-11-17 08:03:21,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:21,114 INFO L225 Difference]: With dead ends: 13216 [2021-11-17 08:03:21,114 INFO L226 Difference]: Without dead ends: 8811 [2021-11-17 08:03:21,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 08:03:21,133 INFO L933 BasicCegarLoop]: 3244 mSDtfsCounter, 2074 mSDsluCounter, 3522 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 1619 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2327 SdHoareTripleChecker+Valid, 6766 SdHoareTripleChecker+Invalid, 4068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1619 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:21,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2327 Valid, 6766 Invalid, 4068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1619 Valid, 2447 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2021-11-17 08:03:21,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8811 states. [2021-11-17 08:03:21,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8811 to 8667. [2021-11-17 08:03:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8667 states, 5900 states have (on average 1.276271186440678) internal successors, (7530), 6008 states have internal predecessors, (7530), 2305 states have call successors, (2305), 468 states have call predecessors, (2305), 459 states have return successors, (2301), 2266 states have call predecessors, (2301), 2301 states have call successors, (2301) [2021-11-17 08:03:21,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8667 states to 8667 states and 12136 transitions. [2021-11-17 08:03:21,554 INFO L78 Accepts]: Start accepts. Automaton has 8667 states and 12136 transitions. Word has length 247 [2021-11-17 08:03:21,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:21,555 INFO L470 AbstractCegarLoop]: Abstraction has 8667 states and 12136 transitions. [2021-11-17 08:03:21,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-17 08:03:21,556 INFO L276 IsEmpty]: Start isEmpty. Operand 8667 states and 12136 transitions. [2021-11-17 08:03:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-17 08:03:21,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:21,561 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:03:21,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 08:03:21,562 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:03:21,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:21,563 INFO L85 PathProgramCache]: Analyzing trace with hash 67037636, now seen corresponding path program 1 times [2021-11-17 08:03:21,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:21,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060990835] [2021-11-17 08:03:21,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:21,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:03:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:03:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:03:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:03:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:03:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:03:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:21,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:03:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:22,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:03:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 08:03:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:22,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:03:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 08:03:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2021-11-17 08:03:22,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:22,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060990835] [2021-11-17 08:03:22,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060990835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:22,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:22,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:03:22,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843590970] [2021-11-17 08:03:22,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:22,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:03:22,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:22,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:03:22,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:03:22,071 INFO L87 Difference]: Start difference. First operand 8667 states and 12136 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 08:03:24,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:24,654 INFO L93 Difference]: Finished difference Result 8779 states and 12330 transitions. [2021-11-17 08:03:24,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:03:24,654 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 236 [2021-11-17 08:03:24,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:24,680 INFO L225 Difference]: With dead ends: 8779 [2021-11-17 08:03:24,680 INFO L226 Difference]: Without dead ends: 8777 [2021-11-17 08:03:24,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:03:24,687 INFO L933 BasicCegarLoop]: 1780 mSDtfsCounter, 1749 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 654 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 5549 SdHoareTripleChecker+Invalid, 1855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 654 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:24,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1986 Valid, 5549 Invalid, 1855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [654 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-17 08:03:24,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8777 states. [2021-11-17 08:03:25,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8777 to 8671. [2021-11-17 08:03:25,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8671 states, 5903 states have (on average 1.2761307809588345) internal successors, (7533), 6011 states have internal predecessors, (7533), 2305 states have call successors, (2305), 469 states have call predecessors, (2305), 460 states have return successors, (2301), 2266 states have call predecessors, (2301), 2301 states have call successors, (2301) [2021-11-17 08:03:25,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8671 states to 8671 states and 12139 transitions. [2021-11-17 08:03:25,081 INFO L78 Accepts]: Start accepts. Automaton has 8671 states and 12139 transitions. Word has length 236 [2021-11-17 08:03:25,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:25,082 INFO L470 AbstractCegarLoop]: Abstraction has 8671 states and 12139 transitions. [2021-11-17 08:03:25,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 08:03:25,082 INFO L276 IsEmpty]: Start isEmpty. Operand 8671 states and 12139 transitions. [2021-11-17 08:03:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-17 08:03:25,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:25,087 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:03:25,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 08:03:25,088 INFO L402 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)] === [2021-11-17 08:03:25,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:25,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1524278957, now seen corresponding path program 1 times [2021-11-17 08:03:25,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:25,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795504571] [2021-11-17 08:03:25,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:25,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:03:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:03:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:03:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:03:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:03:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:03:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:03:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:03:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 08:03:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:03:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 08:03:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 08:03:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2021-11-17 08:03:25,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:25,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795504571] [2021-11-17 08:03:25,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795504571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:25,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:25,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:03:25,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019248463] [2021-11-17 08:03:25,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:25,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:03:25,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:25,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:03:25,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:03:25,439 INFO L87 Difference]: Start difference. First operand 8671 states and 12139 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 08:03:27,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:27,831 INFO L93 Difference]: Finished difference Result 8783 states and 12333 transitions. [2021-11-17 08:03:27,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:03:27,832 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 241 [2021-11-17 08:03:27,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:27,856 INFO L225 Difference]: With dead ends: 8783 [2021-11-17 08:03:27,857 INFO L226 Difference]: Without dead ends: 8781 [2021-11-17 08:03:27,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:03:27,862 INFO L933 BasicCegarLoop]: 1780 mSDtfsCounter, 1749 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 5549 SdHoareTripleChecker+Invalid, 1854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 653 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:27,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1986 Valid, 5549 Invalid, 1854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [653 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-17 08:03:27,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8781 states. [2021-11-17 08:03:28,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8781 to 8675. [2021-11-17 08:03:28,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8675 states, 5906 states have (on average 1.275990518117169) internal successors, (7536), 6014 states have internal predecessors, (7536), 2305 states have call successors, (2305), 470 states have call predecessors, (2305), 461 states have return successors, (2301), 2266 states have call predecessors, (2301), 2301 states have call successors, (2301) [2021-11-17 08:03:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8675 states to 8675 states and 12142 transitions. [2021-11-17 08:03:28,247 INFO L78 Accepts]: Start accepts. Automaton has 8675 states and 12142 transitions. Word has length 241 [2021-11-17 08:03:28,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:28,248 INFO L470 AbstractCegarLoop]: Abstraction has 8675 states and 12142 transitions. [2021-11-17 08:03:28,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 08:03:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 8675 states and 12142 transitions. [2021-11-17 08:03:28,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-17 08:03:28,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:28,253 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:03:28,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 08:03:28,253 INFO L402 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)] === [2021-11-17 08:03:28,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:28,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1907010340, now seen corresponding path program 1 times [2021-11-17 08:03:28,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:28,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047435499] [2021-11-17 08:03:28,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:28,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:03:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:03:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:03:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:03:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:03:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:03:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:03:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:03:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 08:03:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:03:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 08:03:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 08:03:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 08:03:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2021-11-17 08:03:28,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:28,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047435499] [2021-11-17 08:03:28,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047435499] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:28,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:28,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:03:28,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201369996] [2021-11-17 08:03:28,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:28,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:03:28,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:28,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:03:28,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:03:28,725 INFO L87 Difference]: Start difference. First operand 8675 states and 12142 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 08:03:31,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:31,611 INFO L93 Difference]: Finished difference Result 9075 states and 12648 transitions. [2021-11-17 08:03:31,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 08:03:31,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 246 [2021-11-17 08:03:31,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:31,641 INFO L225 Difference]: With dead ends: 9075 [2021-11-17 08:03:31,641 INFO L226 Difference]: Without dead ends: 9073 [2021-11-17 08:03:31,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:03:31,649 INFO L933 BasicCegarLoop]: 1783 mSDtfsCounter, 1634 mSDsluCounter, 3997 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 667 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1815 SdHoareTripleChecker+Valid, 5780 SdHoareTripleChecker+Invalid, 1973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 667 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:31,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1815 Valid, 5780 Invalid, 1973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [667 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-17 08:03:31,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9073 states. [2021-11-17 08:03:32,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9073 to 8967. [2021-11-17 08:03:32,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8967 states, 6097 states have (on average 1.2719370182056748) internal successors, (7755), 6213 states have internal predecessors, (7755), 2353 states have call successors, (2353), 523 states have call predecessors, (2353), 514 states have return successors, (2349), 2314 states have call predecessors, (2349), 2349 states have call successors, (2349) [2021-11-17 08:03:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8967 states to 8967 states and 12457 transitions. [2021-11-17 08:03:32,069 INFO L78 Accepts]: Start accepts. Automaton has 8967 states and 12457 transitions. Word has length 246 [2021-11-17 08:03:32,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:32,070 INFO L470 AbstractCegarLoop]: Abstraction has 8967 states and 12457 transitions. [2021-11-17 08:03:32,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 08:03:32,070 INFO L276 IsEmpty]: Start isEmpty. Operand 8967 states and 12457 transitions. [2021-11-17 08:03:32,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-17 08:03:32,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:32,075 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:03:32,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 08:03:32,075 INFO L402 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)] === [2021-11-17 08:03:32,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:32,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1150619443, now seen corresponding path program 1 times [2021-11-17 08:03:32,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:32,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086381324] [2021-11-17 08:03:32,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:32,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:03:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:03:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:03:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:03:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:03:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:03:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:03:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:03:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 08:03:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:03:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 08:03:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 08:03:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 08:03:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:03:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2021-11-17 08:03:32,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:32,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086381324] [2021-11-17 08:03:32,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086381324] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:32,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:32,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:03:32,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816803509] [2021-11-17 08:03:32,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:32,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:03:32,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:32,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:03:32,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:03:32,591 INFO L87 Difference]: Start difference. First operand 8967 states and 12457 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 08:03:34,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:34,669 INFO L93 Difference]: Finished difference Result 9079 states and 12651 transitions. [2021-11-17 08:03:34,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:03:34,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 251 [2021-11-17 08:03:34,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:34,693 INFO L225 Difference]: With dead ends: 9079 [2021-11-17 08:03:34,693 INFO L226 Difference]: Without dead ends: 9077 [2021-11-17 08:03:34,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:03:34,699 INFO L933 BasicCegarLoop]: 1780 mSDtfsCounter, 1749 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 5549 SdHoareTripleChecker+Invalid, 1852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 651 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:34,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1986 Valid, 5549 Invalid, 1852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [651 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-17 08:03:34,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9077 states. [2021-11-17 08:03:35,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9077 to 8971. [2021-11-17 08:03:35,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8971 states, 6100 states have (on average 1.2718032786885245) internal successors, (7758), 6216 states have internal predecessors, (7758), 2353 states have call successors, (2353), 524 states have call predecessors, (2353), 515 states have return successors, (2349), 2314 states have call predecessors, (2349), 2349 states have call successors, (2349) [2021-11-17 08:03:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8971 states to 8971 states and 12460 transitions. [2021-11-17 08:03:35,121 INFO L78 Accepts]: Start accepts. Automaton has 8971 states and 12460 transitions. Word has length 251 [2021-11-17 08:03:35,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:35,121 INFO L470 AbstractCegarLoop]: Abstraction has 8971 states and 12460 transitions. [2021-11-17 08:03:35,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 08:03:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 8971 states and 12460 transitions. [2021-11-17 08:03:35,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-17 08:03:35,126 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:35,127 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:03:35,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 08:03:35,127 INFO L402 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)] === [2021-11-17 08:03:35,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:35,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1754129540, now seen corresponding path program 1 times [2021-11-17 08:03:35,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:35,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859507197] [2021-11-17 08:03:35,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:35,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:03:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:03:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:03:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:03:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:03:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:03:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:03:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:03:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 08:03:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:03:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 08:03:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 08:03:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 08:03:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:03:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 08:03:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 918 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2021-11-17 08:03:35,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:35,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859507197] [2021-11-17 08:03:35,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859507197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:35,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:35,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:03:35,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788449992] [2021-11-17 08:03:35,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:35,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:03:35,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:35,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:03:35,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:03:35,461 INFO L87 Difference]: Start difference. First operand 8971 states and 12460 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-17 08:03:37,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:37,969 INFO L93 Difference]: Finished difference Result 9083 states and 12654 transitions. [2021-11-17 08:03:37,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:03:37,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 256 [2021-11-17 08:03:37,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:37,995 INFO L225 Difference]: With dead ends: 9083 [2021-11-17 08:03:37,995 INFO L226 Difference]: Without dead ends: 9081 [2021-11-17 08:03:38,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:03:38,000 INFO L933 BasicCegarLoop]: 1781 mSDtfsCounter, 1748 mSDsluCounter, 3771 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 650 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:38,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1985 Valid, 5552 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [650 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-17 08:03:38,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9081 states. [2021-11-17 08:03:38,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9081 to 8975. [2021-11-17 08:03:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8975 states, 6103 states have (on average 1.271669670653777) internal successors, (7761), 6219 states have internal predecessors, (7761), 2353 states have call successors, (2353), 525 states have call predecessors, (2353), 516 states have return successors, (2349), 2314 states have call predecessors, (2349), 2349 states have call successors, (2349) [2021-11-17 08:03:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8975 states to 8975 states and 12463 transitions. [2021-11-17 08:03:38,437 INFO L78 Accepts]: Start accepts. Automaton has 8975 states and 12463 transitions. Word has length 256 [2021-11-17 08:03:38,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:38,437 INFO L470 AbstractCegarLoop]: Abstraction has 8975 states and 12463 transitions. [2021-11-17 08:03:38,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-17 08:03:38,438 INFO L276 IsEmpty]: Start isEmpty. Operand 8975 states and 12463 transitions. [2021-11-17 08:03:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-17 08:03:38,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:38,444 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:03:38,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 08:03:38,444 INFO L402 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)] === [2021-11-17 08:03:38,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:38,445 INFO L85 PathProgramCache]: Analyzing trace with hash -2102476051, now seen corresponding path program 1 times [2021-11-17 08:03:38,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:38,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649844218] [2021-11-17 08:03:38,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:38,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:03:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:03:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:03:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:03:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:03:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:03:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:03:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:03:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 08:03:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:03:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 08:03:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 08:03:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 08:03:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:03:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 08:03:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 08:03:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:38,786 INFO L134 CoverageAnalysis]: Checked inductivity of 952 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2021-11-17 08:03:38,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:38,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649844218] [2021-11-17 08:03:38,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649844218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:38,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:38,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:03:38,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770164809] [2021-11-17 08:03:38,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:38,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:03:38,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:38,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:03:38,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:03:38,790 INFO L87 Difference]: Start difference. First operand 8975 states and 12463 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 08:03:41,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:41,384 INFO L93 Difference]: Finished difference Result 9087 states and 12657 transitions. [2021-11-17 08:03:41,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:03:41,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 261 [2021-11-17 08:03:41,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:41,413 INFO L225 Difference]: With dead ends: 9087 [2021-11-17 08:03:41,413 INFO L226 Difference]: Without dead ends: 9085 [2021-11-17 08:03:41,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:03:41,419 INFO L933 BasicCegarLoop]: 1780 mSDtfsCounter, 1749 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 5549 SdHoareTripleChecker+Invalid, 1850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 649 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:41,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1986 Valid, 5549 Invalid, 1850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [649 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-17 08:03:41,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9085 states. [2021-11-17 08:03:41,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9085 to 8979. [2021-11-17 08:03:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8979 states, 6106 states have (on average 1.2715361939076317) internal successors, (7764), 6222 states have internal predecessors, (7764), 2353 states have call successors, (2353), 526 states have call predecessors, (2353), 517 states have return successors, (2349), 2314 states have call predecessors, (2349), 2349 states have call successors, (2349) [2021-11-17 08:03:41,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8979 states to 8979 states and 12466 transitions. [2021-11-17 08:03:41,818 INFO L78 Accepts]: Start accepts. Automaton has 8979 states and 12466 transitions. Word has length 261 [2021-11-17 08:03:41,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:41,819 INFO L470 AbstractCegarLoop]: Abstraction has 8979 states and 12466 transitions. [2021-11-17 08:03:41,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 08:03:41,819 INFO L276 IsEmpty]: Start isEmpty. Operand 8979 states and 12466 transitions. [2021-11-17 08:03:41,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-17 08:03:41,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:41,825 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 12, 12, 12, 12, 12, 12, 11, 10, 10, 6, 6, 6, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:03:41,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 08:03:41,826 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:03:41,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:41,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1447361199, now seen corresponding path program 1 times [2021-11-17 08:03:41,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:41,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100437827] [2021-11-17 08:03:41,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:41,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:41,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:41,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:03:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:03:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:03:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:03:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:03:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:03:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 08:03:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 08:03:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 08:03:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:03:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 08:03:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 08:03:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 08:03:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:03:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 08:03:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 08:03:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 08:03:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 08:03:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:03:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 08:03:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-17 08:03:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-11-17 08:03:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1137 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1117 trivial. 0 not checked. [2021-11-17 08:03:42,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:42,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100437827] [2021-11-17 08:03:42,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100437827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:42,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:42,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 08:03:42,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359040002] [2021-11-17 08:03:42,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:42,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 08:03:42,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:42,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 08:03:42,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 08:03:42,257 INFO L87 Difference]: Start difference. First operand 8979 states and 12466 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 08:03:45,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:45,807 INFO L93 Difference]: Finished difference Result 9091 states and 12660 transitions. [2021-11-17 08:03:45,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 08:03:45,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 302 [2021-11-17 08:03:45,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:45,832 INFO L225 Difference]: With dead ends: 9091 [2021-11-17 08:03:45,833 INFO L226 Difference]: Without dead ends: 9087 [2021-11-17 08:03:45,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-11-17 08:03:45,838 INFO L933 BasicCegarLoop]: 1697 mSDtfsCounter, 2115 mSDsluCounter, 3637 mSDsCounter, 0 mSdLazyCounter, 2264 mSolverCounterSat, 1391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2289 SdHoareTripleChecker+Valid, 5334 SdHoareTripleChecker+Invalid, 3655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1391 IncrementalHoareTripleChecker+Valid, 2264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:45,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2289 Valid, 5334 Invalid, 3655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1391 Valid, 2264 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-17 08:03:45,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9087 states. [2021-11-17 08:03:46,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9087 to 8981. [2021-11-17 08:03:46,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8981 states, 6108 states have (on average 1.27128356254093) internal successors, (7765), 6223 states have internal predecessors, (7765), 2353 states have call successors, (2353), 527 states have call predecessors, (2353), 517 states have return successors, (2349), 2314 states have call predecessors, (2349), 2349 states have call successors, (2349) [2021-11-17 08:03:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8981 states to 8981 states and 12467 transitions. [2021-11-17 08:03:46,234 INFO L78 Accepts]: Start accepts. Automaton has 8981 states and 12467 transitions. Word has length 302 [2021-11-17 08:03:46,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:46,235 INFO L470 AbstractCegarLoop]: Abstraction has 8981 states and 12467 transitions. [2021-11-17 08:03:46,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 08:03:46,235 INFO L276 IsEmpty]: Start isEmpty. Operand 8981 states and 12467 transitions. [2021-11-17 08:03:46,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-17 08:03:46,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:46,241 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 12, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:03:46,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 08:03:46,242 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:03:46,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:46,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1411638003, now seen corresponding path program 1 times [2021-11-17 08:03:46,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:46,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310252498] [2021-11-17 08:03:46,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:46,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:03:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:03:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:03:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 08:03:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 08:03:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 08:03:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:03:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:03:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 08:03:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:03:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 08:03:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 08:03:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 08:03:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:03:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 08:03:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 08:03:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-17 08:03:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 08:03:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2021-11-17 08:03:46,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:46,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310252498] [2021-11-17 08:03:46,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310252498] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:46,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:46,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:03:46,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459321871] [2021-11-17 08:03:46,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:46,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:03:46,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:46,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:03:46,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:03:46,539 INFO L87 Difference]: Start difference. First operand 8981 states and 12467 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-17 08:03:49,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:49,475 INFO L93 Difference]: Finished difference Result 9087 states and 12656 transitions. [2021-11-17 08:03:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:03:49,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 271 [2021-11-17 08:03:49,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:49,522 INFO L225 Difference]: With dead ends: 9087 [2021-11-17 08:03:49,523 INFO L226 Difference]: Without dead ends: 8978 [2021-11-17 08:03:49,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:03:49,529 INFO L933 BasicCegarLoop]: 1777 mSDtfsCounter, 1743 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 5546 SdHoareTripleChecker+Invalid, 1843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:49,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1980 Valid, 5546 Invalid, 1843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-17 08:03:49,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8978 states. [2021-11-17 08:03:49,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8978 to 8872. [2021-11-17 08:03:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8872 states, 6040 states have (on average 1.2730132450331126) internal successors, (7689), 6149 states have internal predecessors, (7689), 2326 states have call successors, (2326), 512 states have call predecessors, (2326), 504 states have return successors, (2326), 2294 states have call predecessors, (2326), 2326 states have call successors, (2326) [2021-11-17 08:03:49,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8872 states to 8872 states and 12341 transitions. [2021-11-17 08:03:49,941 INFO L78 Accepts]: Start accepts. Automaton has 8872 states and 12341 transitions. Word has length 271 [2021-11-17 08:03:49,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:49,942 INFO L470 AbstractCegarLoop]: Abstraction has 8872 states and 12341 transitions. [2021-11-17 08:03:49,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-17 08:03:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 8872 states and 12341 transitions. [2021-11-17 08:03:49,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-17 08:03:49,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:49,950 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:03:49,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 08:03:49,950 INFO L402 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)] === [2021-11-17 08:03:49,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:49,950 INFO L85 PathProgramCache]: Analyzing trace with hash -171434849, now seen corresponding path program 1 times [2021-11-17 08:03:49,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:49,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633755686] [2021-11-17 08:03:49,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:49,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 08:03:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 08:03:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:03:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 08:03:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:03:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:03:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:03:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 08:03:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 08:03:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 08:03:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:03:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 08:03:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:03:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:03:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:03:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:03:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-17 08:03:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 08:03:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 08:03:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 08:03:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:03:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 08:03:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2021-11-17 08:03:50,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:50,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633755686] [2021-11-17 08:03:50,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633755686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:50,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:50,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:03:50,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492417906] [2021-11-17 08:03:50,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:50,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:03:50,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:50,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:03:50,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:03:50,307 INFO L87 Difference]: Start difference. First operand 8872 states and 12341 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-17 08:03:54,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:57,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:57,430 INFO L93 Difference]: Finished difference Result 18392 states and 25622 transitions. [2021-11-17 08:03:57,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 08:03:57,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 297 [2021-11-17 08:03:57,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:57,476 INFO L225 Difference]: With dead ends: 18392 [2021-11-17 08:03:57,476 INFO L226 Difference]: Without dead ends: 9491 [2021-11-17 08:03:57,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:03:57,500 INFO L933 BasicCegarLoop]: 2266 mSDtfsCounter, 1455 mSDsluCounter, 3119 mSDsCounter, 0 mSdLazyCounter, 1853 mSolverCounterSat, 1193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 5385 SdHoareTripleChecker+Invalid, 3046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1193 IncrementalHoareTripleChecker+Valid, 1853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:57,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1607 Valid, 5385 Invalid, 3046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1193 Valid, 1853 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-11-17 08:03:57,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9491 states. [2021-11-17 08:03:57,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9491 to 9054. [2021-11-17 08:03:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9054 states, 6221 states have (on average 1.2600868027648289) internal successors, (7839), 6326 states have internal predecessors, (7839), 2304 states have call successors, (2304), 533 states have call predecessors, (2304), 527 states have return successors, (2304), 2275 states have call predecessors, (2304), 2304 states have call successors, (2304) [2021-11-17 08:03:57,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9054 states to 9054 states and 12447 transitions. [2021-11-17 08:03:57,911 INFO L78 Accepts]: Start accepts. Automaton has 9054 states and 12447 transitions. Word has length 297 [2021-11-17 08:03:57,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:57,912 INFO L470 AbstractCegarLoop]: Abstraction has 9054 states and 12447 transitions. [2021-11-17 08:03:57,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-17 08:03:57,912 INFO L276 IsEmpty]: Start isEmpty. Operand 9054 states and 12447 transitions. [2021-11-17 08:03:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-11-17 08:03:57,921 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:57,921 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 14, 14, 12, 12, 12, 12, 12, 12, 5, 5, 5, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:03:57,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-17 08:03:57,921 INFO L402 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)] === [2021-11-17 08:03:57,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:57,922 INFO L85 PathProgramCache]: Analyzing trace with hash -975344948, now seen corresponding path program 1 times [2021-11-17 08:03:57,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:57,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480242502] [2021-11-17 08:03:57,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:57,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:03:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:03:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:03:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:03:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:03:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:03:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:03:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:03:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 08:03:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:03:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 08:03:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 08:03:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 08:03:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 08:03:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 08:03:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 08:03:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 08:03:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 08:03:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:03:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 08:03:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:03:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:03:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:03:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:03:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 08:03:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 08:03:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:03:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:03:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 08:03:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 08:03:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:58,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1087 trivial. 0 not checked. [2021-11-17 08:03:58,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:58,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480242502] [2021-11-17 08:03:58,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480242502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:58,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:58,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:03:58,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380955359] [2021-11-17 08:03:58,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:58,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:03:58,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:58,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:03:58,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:03:58,386 INFO L87 Difference]: Start difference. First operand 9054 states and 12447 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-17 08:04:00,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:04:06,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:04:06,212 INFO L93 Difference]: Finished difference Result 20909 states and 28849 transitions. [2021-11-17 08:04:06,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 08:04:06,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 361 [2021-11-17 08:04:06,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:04:06,248 INFO L225 Difference]: With dead ends: 20909 [2021-11-17 08:04:06,248 INFO L226 Difference]: Without dead ends: 11982 [2021-11-17 08:04:06,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:04:06,272 INFO L933 BasicCegarLoop]: 2478 mSDtfsCounter, 1412 mSDsluCounter, 3367 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 1113 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 5845 SdHoareTripleChecker+Invalid, 3008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1113 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:04:06,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1563 Valid, 5845 Invalid, 3008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1113 Valid, 1894 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2021-11-17 08:04:06,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11982 states. [2021-11-17 08:04:06,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11982 to 11458. [2021-11-17 08:04:06,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11458 states, 7902 states have (on average 1.2529739306504681) internal successors, (9901), 8030 states have internal predecessors, (9901), 2871 states have call successors, (2871), 689 states have call predecessors, (2871), 683 states have return successors, (2871), 2837 states have call predecessors, (2871), 2871 states have call successors, (2871) [2021-11-17 08:04:06,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11458 states to 11458 states and 15643 transitions. [2021-11-17 08:04:06,812 INFO L78 Accepts]: Start accepts. Automaton has 11458 states and 15643 transitions. Word has length 361 [2021-11-17 08:04:06,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:04:06,813 INFO L470 AbstractCegarLoop]: Abstraction has 11458 states and 15643 transitions. [2021-11-17 08:04:06,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-17 08:04:06,813 INFO L276 IsEmpty]: Start isEmpty. Operand 11458 states and 15643 transitions. [2021-11-17 08:04:06,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-11-17 08:04:06,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:04:06,822 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 12, 12, 12, 12, 12, 12, 7, 7, 7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:04:06,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-17 08:04:06,822 INFO L402 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)] === [2021-11-17 08:04:06,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:04:06,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1215124392, now seen corresponding path program 1 times [2021-11-17 08:04:06,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:04:06,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723364122] [2021-11-17 08:04:06,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:04:06,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:04:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:06,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:04:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:04:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:04:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:06,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:06,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:04:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:06,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:04:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:04:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:04:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:04:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:04:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:04:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:04:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:04:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:04:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:04:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:04:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:04:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:04:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:04:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:04:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:04:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:04:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:04:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:04:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:04:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:04:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 08:04:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-17 08:04:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-17 08:04:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 08:04:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 08:04:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:04:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 08:04:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:04:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:04:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 08:04:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 08:04:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 08:04:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:04:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:04:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:04:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:04:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 08:04:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 08:04:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 08:04:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 08:04:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 08:04:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 08:04:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1233 trivial. 0 not checked. [2021-11-17 08:04:07,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:04:07,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723364122] [2021-11-17 08:04:07,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723364122] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:04:07,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:04:07,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:04:07,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482499226] [2021-11-17 08:04:07,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:04:07,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:04:07,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:04:07,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:04:07,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:04:07,249 INFO L87 Difference]: Start difference. First operand 11458 states and 15643 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-11-17 08:04:10,140 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:04:13,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:04:13,597 INFO L93 Difference]: Finished difference Result 25735 states and 35269 transitions. [2021-11-17 08:04:13,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 08:04:13,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 413 [2021-11-17 08:04:13,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:04:13,641 INFO L225 Difference]: With dead ends: 25735 [2021-11-17 08:04:13,641 INFO L226 Difference]: Without dead ends: 14332 [2021-11-17 08:04:13,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:04:13,670 INFO L933 BasicCegarLoop]: 2505 mSDtfsCounter, 1404 mSDsluCounter, 3412 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 1081 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 5917 SdHoareTripleChecker+Invalid, 2957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1081 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-17 08:04:13,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1556 Valid, 5917 Invalid, 2957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1081 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-11-17 08:04:13,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14332 states. [2021-11-17 08:04:14,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14332 to 13721. [2021-11-17 08:04:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13721 states, 9475 states have (on average 1.2494986807387862) internal successors, (11839), 9626 states have internal predecessors, (11839), 3416 states have call successors, (3416), 834 states have call predecessors, (3416), 828 states have return successors, (3416), 3377 states have call predecessors, (3416), 3416 states have call successors, (3416) [2021-11-17 08:04:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13721 states to 13721 states and 18671 transitions. [2021-11-17 08:04:14,372 INFO L78 Accepts]: Start accepts. Automaton has 13721 states and 18671 transitions. Word has length 413 [2021-11-17 08:04:14,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:04:14,372 INFO L470 AbstractCegarLoop]: Abstraction has 13721 states and 18671 transitions. [2021-11-17 08:04:14,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-11-17 08:04:14,372 INFO L276 IsEmpty]: Start isEmpty. Operand 13721 states and 18671 transitions. [2021-11-17 08:04:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-11-17 08:04:14,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:04:14,381 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 14, 14, 12, 12, 12, 12, 12, 12, 7, 7, 7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:04:14,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-17 08:04:14,382 INFO L402 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)] === [2021-11-17 08:04:14,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:04:14,382 INFO L85 PathProgramCache]: Analyzing trace with hash -644852586, now seen corresponding path program 1 times [2021-11-17 08:04:14,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:04:14,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738134025] [2021-11-17 08:04:14,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:04:14,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:04:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:04:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:04:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:04:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:04:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:04:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:04:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:04:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:04:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:04:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:04:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:04:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:04:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:04:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:04:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:04:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:04:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:04:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:04:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:04:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:04:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:04:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:04:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:04:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:04:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:04:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 08:04:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-17 08:04:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-17 08:04:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 08:04:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 08:04:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:04:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 08:04:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:04:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:04:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 08:04:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 08:04:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 08:04:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:04:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:04:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:04:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:04:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 08:04:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 08:04:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 08:04:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 08:04:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 08:04:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 08:04:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:14,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1233 trivial. 0 not checked. [2021-11-17 08:04:14,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:04:14,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738134025] [2021-11-17 08:04:14,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738134025] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:04:14,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:04:14,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:04:14,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961625508] [2021-11-17 08:04:14,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:04:14,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:04:14,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:04:14,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:04:14,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:04:14,833 INFO L87 Difference]: Start difference. First operand 13721 states and 18671 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-11-17 08:04:18,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:04:22,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:04:22,721 INFO L93 Difference]: Finished difference Result 32070 states and 43736 transitions. [2021-11-17 08:04:22,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 08:04:22,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 413 [2021-11-17 08:04:22,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:04:22,781 INFO L225 Difference]: With dead ends: 32070 [2021-11-17 08:04:22,781 INFO L226 Difference]: Without dead ends: 18476 [2021-11-17 08:04:22,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:04:22,817 INFO L933 BasicCegarLoop]: 2552 mSDtfsCounter, 2095 mSDsluCounter, 2953 mSDsCounter, 0 mSdLazyCounter, 1939 mSolverCounterSat, 1339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2337 SdHoareTripleChecker+Valid, 5505 SdHoareTripleChecker+Invalid, 3278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1339 IncrementalHoareTripleChecker+Valid, 1939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-17 08:04:22,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2337 Valid, 5505 Invalid, 3278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1339 Valid, 1939 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-11-17 08:04:22,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18476 states. [2021-11-17 08:04:23,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18476 to 17643. [2021-11-17 08:04:23,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17643 states, 12104 states have (on average 1.2411599471249173) internal successors, (15023), 12302 states have internal predecessors, (15023), 4424 states have call successors, (4424), 1122 states have call predecessors, (4424), 1113 states have return successors, (4424), 4377 states have call predecessors, (4424), 4424 states have call successors, (4424) [2021-11-17 08:04:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17643 states to 17643 states and 23871 transitions. [2021-11-17 08:04:23,694 INFO L78 Accepts]: Start accepts. Automaton has 17643 states and 23871 transitions. Word has length 413 [2021-11-17 08:04:23,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:04:23,694 INFO L470 AbstractCegarLoop]: Abstraction has 17643 states and 23871 transitions. [2021-11-17 08:04:23,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-11-17 08:04:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 17643 states and 23871 transitions. [2021-11-17 08:04:23,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-11-17 08:04:23,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:04:23,706 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 14, 14, 13, 13, 13, 13, 13, 13, 9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:04:23,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-17 08:04:23,707 INFO L402 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)] === [2021-11-17 08:04:23,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:04:23,707 INFO L85 PathProgramCache]: Analyzing trace with hash 190146873, now seen corresponding path program 1 times [2021-11-17 08:04:23,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:04:23,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465350982] [2021-11-17 08:04:23,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:04:23,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:04:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:04:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:04:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:04:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:04:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:04:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:04:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:04:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:04:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:04:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:04:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:04:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:04:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:04:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:04:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:04:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:04:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:04:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:04:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:04:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:04:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:04:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:04:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:04:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:04:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:04:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:04:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:04:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:04:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:04:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 08:04:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 08:04:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 08:04:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 08:04:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 08:04:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 08:04:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 08:04:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 08:04:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 08:04:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 08:04:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 08:04:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 08:04:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 08:04:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-17 08:04:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 08:04:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:04:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:04:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:04:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:04:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 08:04:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 08:04:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-11-17 08:04:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 08:04:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 08:04:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 08:04:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:24,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1630 trivial. 0 not checked. [2021-11-17 08:04:24,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:04:24,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465350982] [2021-11-17 08:04:24,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465350982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:04:24,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:04:24,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:04:24,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947837628] [2021-11-17 08:04:24,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:04:24,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:04:24,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:04:24,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:04:24,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:04:24,206 INFO L87 Difference]: Start difference. First operand 17643 states and 23871 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-17 08:04:26,335 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:04:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:04:32,527 INFO L93 Difference]: Finished difference Result 38405 states and 52168 transitions. [2021-11-17 08:04:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 08:04:32,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 495 [2021-11-17 08:04:32,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:04:32,584 INFO L225 Difference]: With dead ends: 38405 [2021-11-17 08:04:32,584 INFO L226 Difference]: Without dead ends: 20889 [2021-11-17 08:04:32,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:04:32,619 INFO L933 BasicCegarLoop]: 2213 mSDtfsCounter, 1495 mSDsluCounter, 3096 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 1256 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 5309 SdHoareTripleChecker+Invalid, 3065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1256 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:04:32,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1648 Valid, 5309 Invalid, 3065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1256 Valid, 1808 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2021-11-17 08:04:32,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20889 states. [2021-11-17 08:04:33,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20889 to 19969. [2021-11-17 08:04:33,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19969 states, 13737 states have (on average 1.2402271238261628) internal successors, (17037), 13958 states have internal predecessors, (17037), 4973 states have call successors, (4973), 1266 states have call predecessors, (4973), 1257 states have return successors, (4973), 4921 states have call predecessors, (4973), 4973 states have call successors, (4973) [2021-11-17 08:04:33,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19969 states to 19969 states and 26983 transitions. [2021-11-17 08:04:33,708 INFO L78 Accepts]: Start accepts. Automaton has 19969 states and 26983 transitions. Word has length 495 [2021-11-17 08:04:33,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:04:33,708 INFO L470 AbstractCegarLoop]: Abstraction has 19969 states and 26983 transitions. [2021-11-17 08:04:33,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-17 08:04:33,709 INFO L276 IsEmpty]: Start isEmpty. Operand 19969 states and 26983 transitions. [2021-11-17 08:04:33,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-11-17 08:04:33,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:04:33,722 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 14, 14, 13, 13, 13, 13, 13, 13, 9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:04:33,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-17 08:04:33,722 INFO L402 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)] === [2021-11-17 08:04:33,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:04:33,723 INFO L85 PathProgramCache]: Analyzing trace with hash 760418679, now seen corresponding path program 1 times [2021-11-17 08:04:33,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:04:33,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661270276] [2021-11-17 08:04:33,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:04:33,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:04:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:04:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:04:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:04:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:04:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:04:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:04:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:04:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:04:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:04:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:04:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:04:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:04:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:04:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:04:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:04:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:04:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:04:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:04:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:04:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:04:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:04:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:04:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:04:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:04:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:04:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:04:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:04:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:04:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:04:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 08:04:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 08:04:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 08:04:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 08:04:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 08:04:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 08:04:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 08:04:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 08:04:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 08:04:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 08:04:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 08:04:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 08:04:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 08:04:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-17 08:04:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 08:04:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:04:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:04:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:04:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:04:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 08:04:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 08:04:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-11-17 08:04:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 08:04:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 08:04:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 08:04:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1630 trivial. 0 not checked. [2021-11-17 08:04:34,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:04:34,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661270276] [2021-11-17 08:04:34,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661270276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:04:34,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:04:34,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:04:34,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113975178] [2021-11-17 08:04:34,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:04:34,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:04:34,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:04:34,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:04:34,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:04:34,171 INFO L87 Difference]: Start difference. First operand 19969 states and 26983 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-17 08:04:36,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:04:38,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:04:44,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:04:44,588 INFO L93 Difference]: Finished difference Result 43216 states and 58614 transitions. [2021-11-17 08:04:44,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 08:04:44,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 495 [2021-11-17 08:04:44,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:04:44,663 INFO L225 Difference]: With dead ends: 43216 [2021-11-17 08:04:44,664 INFO L226 Difference]: Without dead ends: 23374 [2021-11-17 08:04:44,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:04:44,695 INFO L933 BasicCegarLoop]: 2507 mSDtfsCounter, 1438 mSDsluCounter, 3416 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 1089 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 5923 SdHoareTripleChecker+Invalid, 2975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1089 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:04:44,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1591 Valid, 5923 Invalid, 2975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1089 Valid, 1884 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2021-11-17 08:04:44,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23374 states. [2021-11-17 08:04:45,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23374 to 22367. [2021-11-17 08:04:45,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22367 states, 15430 states have (on average 1.2393389500972132) internal successors, (19123), 15674 states have internal predecessors, (19123), 5528 states have call successors, (5528), 1416 states have call predecessors, (5528), 1407 states have return successors, (5528), 5471 states have call predecessors, (5528), 5528 states have call successors, (5528) [2021-11-17 08:04:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22367 states to 22367 states and 30179 transitions. [2021-11-17 08:04:45,705 INFO L78 Accepts]: Start accepts. Automaton has 22367 states and 30179 transitions. Word has length 495 [2021-11-17 08:04:45,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:04:45,706 INFO L470 AbstractCegarLoop]: Abstraction has 22367 states and 30179 transitions. [2021-11-17 08:04:45,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-17 08:04:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 22367 states and 30179 transitions. [2021-11-17 08:04:45,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2021-11-17 08:04:45,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:04:45,718 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 14, 14, 14, 14, 14, 14, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:04:45,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-17 08:04:45,719 INFO L402 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)] === [2021-11-17 08:04:45,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:04:45,719 INFO L85 PathProgramCache]: Analyzing trace with hash 881103459, now seen corresponding path program 1 times [2021-11-17 08:04:45,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:04:45,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43971744] [2021-11-17 08:04:45,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:04:45,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:04:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:04:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:04:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:04:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:04:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:04:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:04:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:04:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:04:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:04:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:04:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:04:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:04:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:04:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:04:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:04:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:04:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:04:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:04:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:04:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:04:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:04:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:04:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:04:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:04:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:04:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:04:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:04:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:04:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:04:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:04:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:04:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:04:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 08:04:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:04:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:04:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:04:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:04:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:04:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 08:04:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 08:04:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 08:04:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 08:04:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:04:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 08:04:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 08:04:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 08:04:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 08:04:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 08:04:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 08:04:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-11-17 08:04:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 08:04:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1758 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-11-17 08:04:46,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:04:46,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43971744] [2021-11-17 08:04:46,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43971744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:04:46,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:04:46,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:04:46,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463594573] [2021-11-17 08:04:46,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:04:46,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:04:46,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:04:46,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:04:46,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:04:46,191 INFO L87 Difference]: Start difference. First operand 22367 states and 30179 transitions. Second operand has 5 states, 5 states have (on average 42.6) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-17 08:04:53,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:04:53,536 INFO L93 Difference]: Finished difference Result 54378 states and 74519 transitions. [2021-11-17 08:04:53,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:04:53,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.6) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 523 [2021-11-17 08:04:53,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:04:53,638 INFO L225 Difference]: With dead ends: 54378 [2021-11-17 08:04:53,638 INFO L226 Difference]: Without dead ends: 32138 [2021-11-17 08:04:53,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:04:53,690 INFO L933 BasicCegarLoop]: 2435 mSDtfsCounter, 956 mSDsluCounter, 3746 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 6181 SdHoareTripleChecker+Invalid, 2212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-17 08:04:53,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1216 Valid, 6181 Invalid, 2212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 1791 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-11-17 08:04:53,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32138 states. [2021-11-17 08:04:54,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32138 to 22373. [2021-11-17 08:04:54,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22373 states, 15436 states have (on average 1.23924591863177) internal successors, (19129), 15680 states have internal predecessors, (19129), 5528 states have call successors, (5528), 1416 states have call predecessors, (5528), 1407 states have return successors, (5528), 5471 states have call predecessors, (5528), 5528 states have call successors, (5528) [2021-11-17 08:04:54,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22373 states to 22373 states and 30185 transitions. [2021-11-17 08:04:54,977 INFO L78 Accepts]: Start accepts. Automaton has 22373 states and 30185 transitions. Word has length 523 [2021-11-17 08:04:54,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:04:54,977 INFO L470 AbstractCegarLoop]: Abstraction has 22373 states and 30185 transitions. [2021-11-17 08:04:54,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.6) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-17 08:04:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 22373 states and 30185 transitions. [2021-11-17 08:04:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2021-11-17 08:04:54,990 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:04:54,990 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 14, 14, 13, 13, 13, 13, 13, 13, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:04:54,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-17 08:04:54,990 INFO L402 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)] === [2021-11-17 08:04:54,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:04:54,991 INFO L85 PathProgramCache]: Analyzing trace with hash 2010397812, now seen corresponding path program 1 times [2021-11-17 08:04:54,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:04:54,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494645804] [2021-11-17 08:04:54,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:04:54,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:04:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:04:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:04:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:04:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:04:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:04:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:04:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:04:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:04:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:04:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:04:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:04:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:04:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:04:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:04:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:04:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:04:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:04:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:04:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:04:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:04:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:04:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:04:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:04:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:04:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:04:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:04:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:04:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:04:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:04:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 08:04:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 08:04:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 08:04:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 08:04:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 08:04:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 08:04:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-11-17 08:04:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 08:04:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 08:04:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:04:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 08:04:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 08:04:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-17 08:04:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 08:04:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 08:04:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 08:04:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-11-17 08:04:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 08:04:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:04:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:04:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:04:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:04:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-11-17 08:04:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-11-17 08:04:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 08:04:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-11-17 08:04:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 08:04:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 08:04:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2021-11-17 08:04:55,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:04:55,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494645804] [2021-11-17 08:04:55,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494645804] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:04:55,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:04:55,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 08:04:55,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852362584] [2021-11-17 08:04:55,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:04:55,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 08:04:55,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:04:55,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 08:04:55,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 08:04:55,445 INFO L87 Difference]: Start difference. First operand 22373 states and 30185 transitions. Second operand has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (65), 4 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2021-11-17 08:05:01,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:01,836 INFO L93 Difference]: Finished difference Result 48057 states and 65031 transitions. [2021-11-17 08:05:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 08:05:01,837 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (65), 4 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) Word has length 535 [2021-11-17 08:05:01,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:01,901 INFO L225 Difference]: With dead ends: 48057 [2021-11-17 08:05:01,901 INFO L226 Difference]: Without dead ends: 25811 [2021-11-17 08:05:01,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-11-17 08:05:01,950 INFO L933 BasicCegarLoop]: 2516 mSDtfsCounter, 1510 mSDsluCounter, 7618 mSDsCounter, 0 mSdLazyCounter, 3245 mSolverCounterSat, 1128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 10134 SdHoareTripleChecker+Invalid, 4373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1128 IncrementalHoareTripleChecker+Valid, 3245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:01,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1683 Valid, 10134 Invalid, 4373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1128 Valid, 3245 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-17 08:05:01,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25811 states. [2021-11-17 08:05:03,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25811 to 24705. [2021-11-17 08:05:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24705 states, 17057 states have (on average 1.2388462214926423) internal successors, (21131), 17324 states have internal predecessors, (21131), 6077 states have call successors, (6077), 1572 states have call predecessors, (6077), 1569 states have return successors, (6083), 6021 states have call predecessors, (6083), 6077 states have call successors, (6083) [2021-11-17 08:05:03,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24705 states to 24705 states and 33291 transitions. [2021-11-17 08:05:03,391 INFO L78 Accepts]: Start accepts. Automaton has 24705 states and 33291 transitions. Word has length 535 [2021-11-17 08:05:03,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:03,392 INFO L470 AbstractCegarLoop]: Abstraction has 24705 states and 33291 transitions. [2021-11-17 08:05:03,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (65), 4 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2021-11-17 08:05:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 24705 states and 33291 transitions. [2021-11-17 08:05:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2021-11-17 08:05:03,406 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:03,406 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 14, 14, 14, 14, 14, 14, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:05:03,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-17 08:05:03,407 INFO L402 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)] === [2021-11-17 08:05:03,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:03,407 INFO L85 PathProgramCache]: Analyzing trace with hash 2004328579, now seen corresponding path program 1 times [2021-11-17 08:05:03,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:03,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823742121] [2021-11-17 08:05:03,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:03,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:05:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:05:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:05:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:05:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:05:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:05:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:05:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:05:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:05:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:05:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:05:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:05:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:05:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:05:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:05:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:05:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:05:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:05:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:05:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 08:05:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:05:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:05:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:05:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:05:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:05:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 08:05:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 08:05:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-11-17 08:05:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 08:05:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 08:05:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 08:05:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-17 08:05:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 08:05:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 08:05:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-11-17 08:05:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 08:05:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 08:05:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 08:05:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1758 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-11-17 08:05:03,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:03,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823742121] [2021-11-17 08:05:03,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823742121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:03,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:03,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:05:03,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738451666] [2021-11-17 08:05:03,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:03,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:05:03,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:03,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:05:03,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:05:03,891 INFO L87 Difference]: Start difference. First operand 24705 states and 33291 transitions. Second operand has 5 states, 5 states have (on average 43.4) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-11-17 08:05:09,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:09,229 INFO L93 Difference]: Finished difference Result 49453 states and 66705 transitions. [2021-11-17 08:05:09,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:05:09,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 43.4) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 529 [2021-11-17 08:05:09,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:09,306 INFO L225 Difference]: With dead ends: 49453 [2021-11-17 08:05:09,306 INFO L226 Difference]: Without dead ends: 24875 [2021-11-17 08:05:09,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:05:09,354 INFO L933 BasicCegarLoop]: 1693 mSDtfsCounter, 331 mSDsluCounter, 2807 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 4500 SdHoareTripleChecker+Invalid, 1714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:09,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 4500 Invalid, 1714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-17 08:05:09,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24875 states. [2021-11-17 08:05:10,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24875 to 24711. [2021-11-17 08:05:10,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24711 states, 17063 states have (on average 1.2387622340737268) internal successors, (21137), 17330 states have internal predecessors, (21137), 6077 states have call successors, (6077), 1572 states have call predecessors, (6077), 1569 states have return successors, (6083), 6021 states have call predecessors, (6083), 6077 states have call successors, (6083) [2021-11-17 08:05:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24711 states to 24711 states and 33297 transitions. [2021-11-17 08:05:10,631 INFO L78 Accepts]: Start accepts. Automaton has 24711 states and 33297 transitions. Word has length 529 [2021-11-17 08:05:10,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:10,631 INFO L470 AbstractCegarLoop]: Abstraction has 24711 states and 33297 transitions. [2021-11-17 08:05:10,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.4) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-11-17 08:05:10,632 INFO L276 IsEmpty]: Start isEmpty. Operand 24711 states and 33297 transitions. [2021-11-17 08:05:10,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-11-17 08:05:10,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:10,647 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 14, 14, 13, 13, 13, 13, 13, 13, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:05:10,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-17 08:05:10,648 INFO L402 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)] === [2021-11-17 08:05:10,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:10,648 INFO L85 PathProgramCache]: Analyzing trace with hash -631745561, now seen corresponding path program 1 times [2021-11-17 08:05:10,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:10,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130903173] [2021-11-17 08:05:10,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:10,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:05:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:05:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:05:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:05:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:05:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:05:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:05:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:05:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:05:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:05:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:05:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:05:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:05:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:05:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:05:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 08:05:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 08:05:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 08:05:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 08:05:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 08:05:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:10,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 08:05:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 08:05:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 08:05:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 08:05:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 08:05:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:05:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 08:05:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 08:05:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 08:05:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 08:05:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-17 08:05:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 08:05:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 08:05:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:05:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:05:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:05:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:05:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 08:05:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-11-17 08:05:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-11-17 08:05:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-11-17 08:05:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 08:05:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-11-17 08:05:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2021-11-17 08:05:11,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:11,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130903173] [2021-11-17 08:05:11,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130903173] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:11,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:11,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 08:05:11,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182435964] [2021-11-17 08:05:11,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:11,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 08:05:11,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:11,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 08:05:11,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 08:05:11,080 INFO L87 Difference]: Start difference. First operand 24711 states and 33297 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (65), 4 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2021-11-17 08:05:13,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:05:21,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:21,187 INFO L93 Difference]: Finished difference Result 52808 states and 71411 transitions. [2021-11-17 08:05:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 08:05:21,188 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (65), 4 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) Word has length 536 [2021-11-17 08:05:21,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:21,261 INFO L225 Difference]: With dead ends: 52808 [2021-11-17 08:05:21,261 INFO L226 Difference]: Without dead ends: 28224 [2021-11-17 08:05:21,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-11-17 08:05:21,311 INFO L933 BasicCegarLoop]: 2516 mSDtfsCounter, 1428 mSDsluCounter, 7608 mSDsCounter, 0 mSdLazyCounter, 3247 mSolverCounterSat, 1079 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 10124 SdHoareTripleChecker+Invalid, 4327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1079 IncrementalHoareTripleChecker+Valid, 3247 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:21,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1582 Valid, 10124 Invalid, 4327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1079 Valid, 3247 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2021-11-17 08:05:21,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28224 states. [2021-11-17 08:05:22,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28224 to 27031. [2021-11-17 08:05:22,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27031 states, 18684 states have (on average 1.2384393063583814) internal successors, (23139), 18974 states have internal predecessors, (23139), 6626 states have call successors, (6626), 1716 states have call predecessors, (6626), 1719 states have return successors, (6638), 6571 states have call predecessors, (6638), 6626 states have call successors, (6638) [2021-11-17 08:05:22,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27031 states to 27031 states and 36403 transitions. [2021-11-17 08:05:22,642 INFO L78 Accepts]: Start accepts. Automaton has 27031 states and 36403 transitions. Word has length 536 [2021-11-17 08:05:22,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:22,643 INFO L470 AbstractCegarLoop]: Abstraction has 27031 states and 36403 transitions. [2021-11-17 08:05:22,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 4 states have internal predecessors, (184), 3 states have call successors, (65), 4 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2021-11-17 08:05:22,643 INFO L276 IsEmpty]: Start isEmpty. Operand 27031 states and 36403 transitions. [2021-11-17 08:05:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2021-11-17 08:05:22,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:22,657 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 14, 14, 14, 14, 14, 14, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:05:22,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-17 08:05:22,657 INFO L402 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)] === [2021-11-17 08:05:22,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:22,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1538591691, now seen corresponding path program 1 times [2021-11-17 08:05:22,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:22,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596082393] [2021-11-17 08:05:22,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:22,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:05:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:05:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:05:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:05:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:05:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:05:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:05:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:05:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:05:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:05:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:05:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:05:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:05:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:05:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:05:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:05:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:05:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:05:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:05:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 08:05:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:05:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:05:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:05:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:05:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:05:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 08:05:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 08:05:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 08:05:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:05:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:05:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 08:05:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 08:05:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 08:05:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 08:05:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 08:05:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 08:05:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 08:05:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-11-17 08:05:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1758 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-11-17 08:05:23,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:23,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596082393] [2021-11-17 08:05:23,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596082393] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:23,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:23,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:05:23,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113080691] [2021-11-17 08:05:23,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:23,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:05:23,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:23,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:05:23,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:05:23,045 INFO L87 Difference]: Start difference. First operand 27031 states and 36403 transitions. Second operand has 5 states, 5 states have (on average 43.6) internal successors, (218), 3 states have internal predecessors, (218), 3 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-17 08:05:26,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:26,533 INFO L93 Difference]: Finished difference Result 54171 states and 73073 transitions. [2021-11-17 08:05:26,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 08:05:26,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 43.6) internal successors, (218), 3 states have internal predecessors, (218), 3 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 530 [2021-11-17 08:05:26,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:26,613 INFO L225 Difference]: With dead ends: 54171 [2021-11-17 08:05:26,613 INFO L226 Difference]: Without dead ends: 27267 [2021-11-17 08:05:26,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:26,668 INFO L933 BasicCegarLoop]: 1702 mSDtfsCounter, 662 mSDsluCounter, 2228 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 3930 SdHoareTripleChecker+Invalid, 1655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 802 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:26,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [741 Valid, 3930 Invalid, 1655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [802 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 08:05:26,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27267 states. [2021-11-17 08:05:27,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27267 to 27073. [2021-11-17 08:05:28,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27073 states, 18708 states have (on average 1.238454137267479) internal successors, (23169), 18998 states have internal predecessors, (23169), 6644 states have call successors, (6644), 1716 states have call predecessors, (6644), 1719 states have return successors, (6656), 6589 states have call predecessors, (6656), 6644 states have call successors, (6656) [2021-11-17 08:05:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27073 states to 27073 states and 36469 transitions. [2021-11-17 08:05:28,100 INFO L78 Accepts]: Start accepts. Automaton has 27073 states and 36469 transitions. Word has length 530 [2021-11-17 08:05:28,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:28,100 INFO L470 AbstractCegarLoop]: Abstraction has 27073 states and 36469 transitions. [2021-11-17 08:05:28,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.6) internal successors, (218), 3 states have internal predecessors, (218), 3 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-17 08:05:28,101 INFO L276 IsEmpty]: Start isEmpty. Operand 27073 states and 36469 transitions. [2021-11-17 08:05:28,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2021-11-17 08:05:28,115 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:28,115 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 14, 14, 14, 14, 14, 14, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:05:28,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-17 08:05:28,115 INFO L402 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)] === [2021-11-17 08:05:28,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:28,116 INFO L85 PathProgramCache]: Analyzing trace with hash 133400013, now seen corresponding path program 1 times [2021-11-17 08:05:28,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:28,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36365697] [2021-11-17 08:05:28,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:28,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:05:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:05:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:05:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:05:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:05:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:05:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:05:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:05:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:05:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:05:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:05:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:05:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:05:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:05:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:05:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:05:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:05:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:05:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:05:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 08:05:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:05:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:05:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:05:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:05:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:05:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 08:05:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 08:05:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 08:05:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:05:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:05:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 08:05:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 08:05:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 08:05:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 08:05:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 08:05:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 08:05:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 08:05:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-11-17 08:05:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1758 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-11-17 08:05:28,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:28,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36365697] [2021-11-17 08:05:28,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36365697] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:28,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:28,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:05:28,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076641082] [2021-11-17 08:05:28,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:28,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:05:28,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:28,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:05:28,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:05:28,614 INFO L87 Difference]: Start difference. First operand 27073 states and 36469 transitions. Second operand has 5 states, 5 states have (on average 43.6) internal successors, (218), 3 states have internal predecessors, (218), 3 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-17 08:05:30,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:05:37,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:05:38,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:05:40,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:40,955 INFO L93 Difference]: Finished difference Result 61336 states and 82543 transitions. [2021-11-17 08:05:40,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:05:40,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 43.6) internal successors, (218), 3 states have internal predecessors, (218), 3 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 530 [2021-11-17 08:05:40,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:41,037 INFO L225 Difference]: With dead ends: 61336 [2021-11-17 08:05:41,037 INFO L226 Difference]: Without dead ends: 34390 [2021-11-17 08:05:41,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-17 08:05:41,087 INFO L933 BasicCegarLoop]: 2856 mSDtfsCounter, 1405 mSDsluCounter, 3693 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 606 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 6549 SdHoareTripleChecker+Invalid, 2702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:41,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1639 Valid, 6549 Invalid, 2702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 2095 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2021-11-17 08:05:41,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34390 states. [2021-11-17 08:05:42,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34390 to 34132. [2021-11-17 08:05:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34132 states, 24069 states have (on average 1.2419294528231335) internal successors, (29892), 24418 states have internal predecessors, (29892), 7904 states have call successors, (7904), 2157 states have call predecessors, (7904), 2157 states have return successors, (7922), 7826 states have call predecessors, (7922), 7904 states have call successors, (7922) [2021-11-17 08:05:42,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34132 states to 34132 states and 45718 transitions. [2021-11-17 08:05:42,978 INFO L78 Accepts]: Start accepts. Automaton has 34132 states and 45718 transitions. Word has length 530 [2021-11-17 08:05:42,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:42,978 INFO L470 AbstractCegarLoop]: Abstraction has 34132 states and 45718 transitions. [2021-11-17 08:05:42,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.6) internal successors, (218), 3 states have internal predecessors, (218), 3 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-17 08:05:42,979 INFO L276 IsEmpty]: Start isEmpty. Operand 34132 states and 45718 transitions. [2021-11-17 08:05:42,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-11-17 08:05:42,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:42,992 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 14, 14, 13, 13, 13, 13, 13, 13, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:05:42,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-17 08:05:42,993 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:05:42,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:42,993 INFO L85 PathProgramCache]: Analyzing trace with hash -877879087, now seen corresponding path program 1 times [2021-11-17 08:05:42,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:42,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224397010] [2021-11-17 08:05:42,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:42,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:05:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:05:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:05:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:05:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:05:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:05:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:05:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:05:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:05:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:05:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:05:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:05:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:05:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:05:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:05:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 08:05:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 08:05:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 08:05:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 08:05:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 08:05:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 08:05:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-11-17 08:05:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 08:05:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 08:05:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-17 08:05:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 08:05:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 08:05:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 08:05:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-17 08:05:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 08:05:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 08:05:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 08:05:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 08:05:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:05:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:05:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:05:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:05:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 08:05:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 08:05:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-11-17 08:05:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 08:05:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 08:05:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 08:05:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 1834 trivial. 0 not checked. [2021-11-17 08:05:43,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:43,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224397010] [2021-11-17 08:05:43,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224397010] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 08:05:43,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123690337] [2021-11-17 08:05:43,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:43,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 08:05:43,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 08:05:43,426 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) [2021-11-17 08:05:43,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 08:05:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:44,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 4838 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 08:05:44,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 08:05:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2021-11-17 08:05:45,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 08:05:45,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123690337] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:45,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 08:05:45,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-17 08:05:45,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138612248] [2021-11-17 08:05:45,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:45,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 08:05:45,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:45,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 08:05:45,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:05:45,199 INFO L87 Difference]: Start difference. First operand 34132 states and 45718 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-11-17 08:05:46,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:46,614 INFO L93 Difference]: Finished difference Result 68155 states and 91363 transitions. [2021-11-17 08:05:46,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 08:05:46,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 537 [2021-11-17 08:05:46,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:46,706 INFO L225 Difference]: With dead ends: 68155 [2021-11-17 08:05:46,706 INFO L226 Difference]: Without dead ends: 34150 [2021-11-17 08:05:46,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 688 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:05:46,773 INFO L933 BasicCegarLoop]: 1828 mSDtfsCounter, 0 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3652 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:46,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3652 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 08:05:46,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34150 states. [2021-11-17 08:05:48,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34150 to 34150. [2021-11-17 08:05:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34150 states, 24087 states have (on average 1.2417486611034998) internal successors, (29910), 24436 states have internal predecessors, (29910), 7904 states have call successors, (7904), 2157 states have call predecessors, (7904), 2157 states have return successors, (7922), 7826 states have call predecessors, (7922), 7904 states have call successors, (7922) [2021-11-17 08:05:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34150 states to 34150 states and 45736 transitions. [2021-11-17 08:05:48,617 INFO L78 Accepts]: Start accepts. Automaton has 34150 states and 45736 transitions. Word has length 537 [2021-11-17 08:05:48,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:48,618 INFO L470 AbstractCegarLoop]: Abstraction has 34150 states and 45736 transitions. [2021-11-17 08:05:48,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-11-17 08:05:48,618 INFO L276 IsEmpty]: Start isEmpty. Operand 34150 states and 45736 transitions. [2021-11-17 08:05:48,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-11-17 08:05:48,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:48,631 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 14, 14, 13, 13, 13, 13, 13, 13, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:05:48,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 08:05:48,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 08:05:48,837 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:05:48,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:48,838 INFO L85 PathProgramCache]: Analyzing trace with hash 69158799, now seen corresponding path program 1 times [2021-11-17 08:05:48,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:48,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950793289] [2021-11-17 08:05:48,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:48,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:48,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:48,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:48,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:05:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:05:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:05:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:05:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:05:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:05:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:05:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:05:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:05:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:05:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:05:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:05:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:05:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:05:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:05:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 08:05:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 08:05:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 08:05:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 08:05:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 08:05:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 08:05:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-11-17 08:05:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 08:05:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 08:05:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-17 08:05:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 08:05:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 08:05:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 08:05:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-17 08:05:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 08:05:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 08:05:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 08:05:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 08:05:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:05:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:05:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:05:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:05:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 08:05:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 08:05:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-11-17 08:05:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 08:05:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 08:05:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 08:05:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 1834 trivial. 0 not checked. [2021-11-17 08:05:49,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:49,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950793289] [2021-11-17 08:05:49,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950793289] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 08:05:49,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801097046] [2021-11-17 08:05:49,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:49,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 08:05:49,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 08:05:49,280 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) [2021-11-17 08:05:49,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 08:05:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:50,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 4841 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 08:05:50,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 08:05:50,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 1743 trivial. 0 not checked. [2021-11-17 08:05:50,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 08:05:50,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801097046] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:50,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 08:05:50,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-17 08:05:50,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975660513] [2021-11-17 08:05:50,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:50,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 08:05:50,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:50,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 08:05:50,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:05:50,666 INFO L87 Difference]: Start difference. First operand 34150 states and 45736 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-11-17 08:05:52,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:52,056 INFO L93 Difference]: Finished difference Result 68329 states and 91705 transitions. [2021-11-17 08:05:52,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 08:05:52,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 537 [2021-11-17 08:05:52,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:52,299 INFO L225 Difference]: With dead ends: 68329 [2021-11-17 08:05:52,299 INFO L226 Difference]: Without dead ends: 34306 [2021-11-17 08:05:52,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 688 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:05:52,360 INFO L933 BasicCegarLoop]: 1827 mSDtfsCounter, 2 mSDsluCounter, 1823 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3650 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 [2021-11-17 08:05:52,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 3650 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 08:05:52,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34306 states. [2021-11-17 08:05:53,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34306 to 34189. [2021-11-17 08:05:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34189 states, 24126 states have (on average 1.2413578711763242) internal successors, (29949), 24475 states have internal predecessors, (29949), 7904 states have call successors, (7904), 2157 states have call predecessors, (7904), 2157 states have return successors, (7922), 7826 states have call predecessors, (7922), 7904 states have call successors, (7922) [2021-11-17 08:05:53,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34189 states to 34189 states and 45775 transitions. [2021-11-17 08:05:53,994 INFO L78 Accepts]: Start accepts. Automaton has 34189 states and 45775 transitions. Word has length 537 [2021-11-17 08:05:53,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:53,995 INFO L470 AbstractCegarLoop]: Abstraction has 34189 states and 45775 transitions. [2021-11-17 08:05:53,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-11-17 08:05:53,995 INFO L276 IsEmpty]: Start isEmpty. Operand 34189 states and 45775 transitions. [2021-11-17 08:05:54,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2021-11-17 08:05:54,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:54,009 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 15, 15, 13, 13, 13, 13, 13, 13, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:05:54,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 08:05:54,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-11-17 08:05:54,210 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:05:54,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:54,210 INFO L85 PathProgramCache]: Analyzing trace with hash -541794292, now seen corresponding path program 1 times [2021-11-17 08:05:54,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:54,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382765127] [2021-11-17 08:05:54,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:54,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:05:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:05:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:05:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:05:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:05:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:05:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:05:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:05:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:05:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:05:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:05:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:05:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:05:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:05:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:05:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 08:05:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 08:05:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 08:05:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 08:05:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 08:05:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 08:05:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-11-17 08:05:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 08:05:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 08:05:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-17 08:05:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 08:05:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 08:05:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 08:05:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-17 08:05:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 08:05:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 08:05:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 08:05:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 08:05:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:05:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:05:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:05:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:05:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-11-17 08:05:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-11-17 08:05:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-11-17 08:05:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-11-17 08:05:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 08:05:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 08:05:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 08:05:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 1877 trivial. 0 not checked. [2021-11-17 08:05:54,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:54,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382765127] [2021-11-17 08:05:54,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382765127] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 08:05:54,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488081628] [2021-11-17 08:05:54,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:54,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 08:05:54,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 08:05:54,669 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) [2021-11-17 08:05:54,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 08:05:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:55,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 4868 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-17 08:05:55,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 08:05:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 1778 trivial. 0 not checked. [2021-11-17 08:05:56,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 08:05:56,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488081628] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:56,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 08:05:56,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2021-11-17 08:05:56,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092906359] [2021-11-17 08:05:56,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:56,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:05:56,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:56,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:05:56,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:05:56,272 INFO L87 Difference]: Start difference. First operand 34189 states and 45775 transitions. Second operand has 5 states, 5 states have (on average 39.0) internal successors, (195), 4 states have internal predecessors, (195), 3 states have call successors, (66), 3 states have call predecessors, (66), 4 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) [2021-11-17 08:05:58,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:58,195 INFO L93 Difference]: Finished difference Result 71018 states and 95182 transitions. [2021-11-17 08:05:58,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 08:05:58,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 4 states have internal predecessors, (195), 3 states have call successors, (66), 3 states have call predecessors, (66), 4 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) Word has length 544 [2021-11-17 08:05:58,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:58,296 INFO L225 Difference]: With dead ends: 71018 [2021-11-17 08:05:58,296 INFO L226 Difference]: Without dead ends: 36956 [2021-11-17 08:05:58,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 706 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-17 08:05:58,367 INFO L933 BasicCegarLoop]: 2296 mSDtfsCounter, 1692 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 8120 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:58,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 8120 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-17 08:05:58,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36956 states. [2021-11-17 08:06:00,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36956 to 36931. [2021-11-17 08:06:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36931 states, 26130 states have (on average 1.242977420589361) internal successors, (32479), 26503 states have internal predecessors, (32479), 8480 states have call successors, (8480), 2319 states have call predecessors, (8480), 2319 states have return successors, (8498), 8396 states have call predecessors, (8498), 8480 states have call successors, (8498) [2021-11-17 08:06:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36931 states to 36931 states and 49457 transitions. [2021-11-17 08:06:00,315 INFO L78 Accepts]: Start accepts. Automaton has 36931 states and 49457 transitions. Word has length 544 [2021-11-17 08:06:00,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:00,315 INFO L470 AbstractCegarLoop]: Abstraction has 36931 states and 49457 transitions. [2021-11-17 08:06:00,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 4 states have internal predecessors, (195), 3 states have call successors, (66), 3 states have call predecessors, (66), 4 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) [2021-11-17 08:06:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 36931 states and 49457 transitions. [2021-11-17 08:06:00,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2021-11-17 08:06:00,330 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:00,330 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 17, 17, 14, 14, 14, 14, 14, 14, 8, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:06:00,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 08:06:00,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 08:06:00,531 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:06:00,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:00,531 INFO L85 PathProgramCache]: Analyzing trace with hash -2121245922, now seen corresponding path program 1 times [2021-11-17 08:06:00,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:00,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832649834] [2021-11-17 08:06:00,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:00,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:06:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:06:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:06:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:06:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:06:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:06:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:06:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:06:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:06:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:06:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:06:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:06:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:06:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:06:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:06:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:06:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:06:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:06:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:06:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 08:06:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:06:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:06:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:06:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:06:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:06:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 08:06:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 08:06:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 08:06:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:06:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:06:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-17 08:06:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:06:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:06:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:06:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:06:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:06:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 08:06:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:06:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-11-17 08:06:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 08:06:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 08:06:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 08:06:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-17 08:06:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 08:06:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 08:06:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-11-17 08:06:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-11-17 08:06:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-11-17 08:06:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:06:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:06:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:06:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:06:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-11-17 08:06:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2021-11-17 08:06:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-11-17 08:06:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-11-17 08:06:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2021-11-17 08:06:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 08:06:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-11-17 08:06:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1935 trivial. 0 not checked. [2021-11-17 08:06:01,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:01,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832649834] [2021-11-17 08:06:01,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832649834] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 08:06:01,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981103960] [2021-11-17 08:06:01,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:01,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 08:06:01,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 08:06:01,129 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) [2021-11-17 08:06:01,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 08:06:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:01,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 5506 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-17 08:06:02,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 08:06:02,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 1790 trivial. 0 not checked. [2021-11-17 08:06:02,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 08:06:02,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981103960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:02,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 08:06:02,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2021-11-17 08:06:02,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767454383] [2021-11-17 08:06:02,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:02,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:06:02,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:02,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:06:02,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:06:02,795 INFO L87 Difference]: Start difference. First operand 36931 states and 49457 transitions. Second operand has 5 states, 5 states have (on average 46.8) internal successors, (234), 4 states have internal predecessors, (234), 2 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (72), 3 states have call predecessors, (72), 2 states have call successors, (72) [2021-11-17 08:06:05,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:05,371 INFO L93 Difference]: Finished difference Result 89719 states and 121776 transitions. [2021-11-17 08:06:05,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:06:05,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.8) internal successors, (234), 4 states have internal predecessors, (234), 2 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (72), 3 states have call predecessors, (72), 2 states have call successors, (72) Word has length 623 [2021-11-17 08:06:05,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:05,533 INFO L225 Difference]: With dead ends: 89719 [2021-11-17 08:06:05,533 INFO L226 Difference]: Without dead ends: 52915 [2021-11-17 08:06:05,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 804 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:06:05,629 INFO L933 BasicCegarLoop]: 2767 mSDtfsCounter, 611 mSDsluCounter, 7519 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 10286 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:05,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [777 Valid, 10286 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 08:06:05,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52915 states. [2021-11-17 08:06:07,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52915 to 36967. [2021-11-17 08:06:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36967 states, 26157 states have (on average 1.2427266123790954) internal successors, (32506), 26530 states have internal predecessors, (32506), 8480 states have call successors, (8480), 2319 states have call predecessors, (8480), 2328 states have return successors, (8525), 8405 states have call predecessors, (8525), 8480 states have call successors, (8525) [2021-11-17 08:06:07,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36967 states to 36967 states and 49511 transitions. [2021-11-17 08:06:07,701 INFO L78 Accepts]: Start accepts. Automaton has 36967 states and 49511 transitions. Word has length 623 [2021-11-17 08:06:07,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:07,702 INFO L470 AbstractCegarLoop]: Abstraction has 36967 states and 49511 transitions. [2021-11-17 08:06:07,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.8) internal successors, (234), 4 states have internal predecessors, (234), 2 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (72), 3 states have call predecessors, (72), 2 states have call successors, (72) [2021-11-17 08:06:07,702 INFO L276 IsEmpty]: Start isEmpty. Operand 36967 states and 49511 transitions. [2021-11-17 08:06:07,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-11-17 08:06:07,715 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:07,715 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 13, 13, 13, 13, 13, 13, 7, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:06:07,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 08:06:07,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 08:06:07,916 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:06:07,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:07,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1940982664, now seen corresponding path program 1 times [2021-11-17 08:06:07,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:07,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943852782] [2021-11-17 08:06:07,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:07,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:06:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:06:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:06:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:06:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:06:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:06:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:06:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:06:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:06:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:06:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:06:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:06:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:06:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:06:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:06:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:06:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:06:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:06:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:06:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 08:06:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 08:06:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-11-17 08:06:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 08:06:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 08:06:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 08:06:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 08:06:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 08:06:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:06:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-11-17 08:06:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 08:06:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 08:06:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 08:06:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 08:06:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-17 08:06:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 08:06:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 08:06:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 08:06:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:06:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:06:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:06:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:06:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 08:06:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-11-17 08:06:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 08:06:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 08:06:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 08:06:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 08:06:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-11-17 08:06:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:08,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1580 trivial. 0 not checked. [2021-11-17 08:06:08,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:08,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943852782] [2021-11-17 08:06:08,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943852782] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 08:06:08,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056239717] [2021-11-17 08:06:08,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:08,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 08:06:08,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 08:06:08,301 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) [2021-11-17 08:06:08,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-17 08:06:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 5165 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 08:06:09,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 08:06:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 1400 trivial. 0 not checked. [2021-11-17 08:06:09,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 08:06:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1580 trivial. 0 not checked. [2021-11-17 08:06:10,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056239717] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 08:06:10,710 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 08:06:10,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2021-11-17 08:06:10,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604570465] [2021-11-17 08:06:10,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 08:06:10,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 08:06:10,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:10,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 08:06:10,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:06:10,712 INFO L87 Difference]: Start difference. First operand 36967 states and 49511 transitions. Second operand has 9 states, 9 states have (on average 25.333333333333332) internal successors, (228), 7 states have internal predecessors, (228), 5 states have call successors, (93), 4 states have call predecessors, (93), 2 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) [2021-11-17 08:06:16,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:16,664 INFO L93 Difference]: Finished difference Result 75681 states and 101944 transitions. [2021-11-17 08:06:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 08:06:16,665 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 25.333333333333332) internal successors, (228), 7 states have internal predecessors, (228), 5 states have call successors, (93), 4 states have call predecessors, (93), 2 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) Word has length 547 [2021-11-17 08:06:16,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:16,768 INFO L225 Difference]: With dead ends: 75681 [2021-11-17 08:06:16,769 INFO L226 Difference]: Without dead ends: 38841 [2021-11-17 08:06:16,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1254 GetRequests, 1246 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:06:16,846 INFO L933 BasicCegarLoop]: 1674 mSDtfsCounter, 720 mSDsluCounter, 5631 mSDsCounter, 0 mSdLazyCounter, 2248 mSolverCounterSat, 888 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 7305 SdHoareTripleChecker+Invalid, 3136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 888 IncrementalHoareTripleChecker+Valid, 2248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:16,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [745 Valid, 7305 Invalid, 3136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [888 Valid, 2248 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-17 08:06:16,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38841 states. [2021-11-17 08:06:18,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38841 to 37303. [2021-11-17 08:06:18,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37303 states, 26409 states have (on average 1.2404104661289712) internal successors, (32758), 26782 states have internal predecessors, (32758), 8564 states have call successors, (8564), 2319 states have call predecessors, (8564), 2328 states have return successors, (8609), 8489 states have call predecessors, (8609), 8564 states have call successors, (8609) [2021-11-17 08:06:18,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37303 states to 37303 states and 49931 transitions. [2021-11-17 08:06:18,836 INFO L78 Accepts]: Start accepts. Automaton has 37303 states and 49931 transitions. Word has length 547 [2021-11-17 08:06:18,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:18,837 INFO L470 AbstractCegarLoop]: Abstraction has 37303 states and 49931 transitions. [2021-11-17 08:06:18,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.333333333333332) internal successors, (228), 7 states have internal predecessors, (228), 5 states have call successors, (93), 4 states have call predecessors, (93), 2 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) [2021-11-17 08:06:18,837 INFO L276 IsEmpty]: Start isEmpty. Operand 37303 states and 49931 transitions. [2021-11-17 08:06:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2021-11-17 08:06:18,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:18,852 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 20, 20, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:06:18,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-17 08:06:19,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-11-17 08:06:19,053 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:06:19,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:19,054 INFO L85 PathProgramCache]: Analyzing trace with hash -405251501, now seen corresponding path program 1 times [2021-11-17 08:06:19,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:19,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165705576] [2021-11-17 08:06:19,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:19,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:06:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:06:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:06:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:06:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:06:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:06:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:06:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:06:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:06:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:06:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:06:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:06:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:06:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:06:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:06:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:06:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:06:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:06:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:06:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 08:06:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:06:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:06:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:06:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:06:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:06:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 08:06:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 08:06:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 08:06:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:06:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:06:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-17 08:06:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:06:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:06:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:06:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:06:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:06:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 08:06:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-17 08:06:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-11-17 08:06:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:06:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-11-17 08:06:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 08:06:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-17 08:06:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 08:06:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 08:06:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-11-17 08:06:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-11-17 08:06:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 08:06:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-11-17 08:06:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-11-17 08:06:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:06:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:06:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:06:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:06:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-11-17 08:06:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-11-17 08:06:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2021-11-17 08:06:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-11-17 08:06:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-11-17 08:06:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-11-17 08:06:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2021-11-17 08:06:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2021-11-17 08:06:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2021-11-17 08:06:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:19,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2132 trivial. 0 not checked. [2021-11-17 08:06:19,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:19,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165705576] [2021-11-17 08:06:19,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165705576] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:19,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:19,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 08:06:19,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313400910] [2021-11-17 08:06:19,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:19,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 08:06:19,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:19,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 08:06:19,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:06:19,897 INFO L87 Difference]: Start difference. First operand 37303 states and 49931 transitions. Second operand has 9 states, 9 states have (on average 25.22222222222222) internal successors, (227), 5 states have internal predecessors, (227), 3 states have call successors, (78), 6 states have call predecessors, (78), 2 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2021-11-17 08:06:21,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:06:28,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:28,287 INFO L93 Difference]: Finished difference Result 38841 states and 52305 transitions. [2021-11-17 08:06:28,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 08:06:28,288 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 25.22222222222222) internal successors, (227), 5 states have internal predecessors, (227), 3 states have call successors, (78), 6 states have call predecessors, (78), 2 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) Word has length 645 [2021-11-17 08:06:28,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:28,381 INFO L225 Difference]: With dead ends: 38841 [2021-11-17 08:06:28,382 INFO L226 Difference]: Without dead ends: 38839 [2021-11-17 08:06:28,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2021-11-17 08:06:28,399 INFO L933 BasicCegarLoop]: 1463 mSDtfsCounter, 2349 mSDsluCounter, 4375 mSDsCounter, 0 mSdLazyCounter, 3117 mSolverCounterSat, 1810 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2483 SdHoareTripleChecker+Valid, 5838 SdHoareTripleChecker+Invalid, 4928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1810 IncrementalHoareTripleChecker+Valid, 3117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:28,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2483 Valid, 5838 Invalid, 4928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1810 Valid, 3117 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2021-11-17 08:06:28,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38839 states. [2021-11-17 08:06:30,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38839 to 37301. [2021-11-17 08:06:30,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37301 states, 26408 states have (on average 1.2388291426840352) internal successors, (32715), 26780 states have internal predecessors, (32715), 8564 states have call successors, (8564), 2319 states have call predecessors, (8564), 2328 states have return successors, (8609), 8489 states have call predecessors, (8609), 8564 states have call successors, (8609) [2021-11-17 08:06:30,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37301 states to 37301 states and 49888 transitions. [2021-11-17 08:06:30,362 INFO L78 Accepts]: Start accepts. Automaton has 37301 states and 49888 transitions. Word has length 645 [2021-11-17 08:06:30,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:30,362 INFO L470 AbstractCegarLoop]: Abstraction has 37301 states and 49888 transitions. [2021-11-17 08:06:30,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.22222222222222) internal successors, (227), 5 states have internal predecessors, (227), 3 states have call successors, (78), 6 states have call predecessors, (78), 2 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2021-11-17 08:06:30,363 INFO L276 IsEmpty]: Start isEmpty. Operand 37301 states and 49888 transitions. [2021-11-17 08:06:30,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2021-11-17 08:06:30,385 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:30,385 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 14, 14, 14, 14, 14, 14, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:06:30,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-17 08:06:30,386 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:06:30,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:30,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1267908466, now seen corresponding path program 1 times [2021-11-17 08:06:30,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:30,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786257523] [2021-11-17 08:06:30,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:30,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:06:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:06:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:06:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:06:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:06:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:06:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:06:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:06:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:06:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:06:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:06:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:06:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:06:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:06:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:06:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:06:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:06:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:06:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:06:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 08:06:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:06:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:06:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:06:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:06:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:06:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 08:06:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 08:06:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 08:06:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:06:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:06:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 08:06:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 08:06:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 08:06:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 08:06:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 08:06:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 08:06:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 08:06:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-11-17 08:06:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-11-17 08:06:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 08:06:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 08:06:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 08:06:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:06:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-11-17 08:06:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2021-11-17 08:06:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-11-17 08:06:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1990 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1964 trivial. 0 not checked. [2021-11-17 08:06:30,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:30,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786257523] [2021-11-17 08:06:30,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786257523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:30,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:30,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 08:06:30,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639062667] [2021-11-17 08:06:30,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:30,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 08:06:30,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:30,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 08:06:30,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-17 08:06:30,863 INFO L87 Difference]: Start difference. First operand 37301 states and 49888 transitions. Second operand has 8 states, 7 states have (on average 34.714285714285715) internal successors, (243), 4 states have internal predecessors, (243), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2021-11-17 08:06:33,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:06:40,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:06:44,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:44,792 INFO L93 Difference]: Finished difference Result 81504 states and 108863 transitions. [2021-11-17 08:06:44,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 08:06:44,792 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 34.714285714285715) internal successors, (243), 4 states have internal predecessors, (243), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 590 [2021-11-17 08:06:44,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:44,901 INFO L225 Difference]: With dead ends: 81504 [2021-11-17 08:06:44,901 INFO L226 Difference]: Without dead ends: 44176 [2021-11-17 08:06:44,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-11-17 08:06:44,973 INFO L933 BasicCegarLoop]: 2735 mSDtfsCounter, 1410 mSDsluCounter, 8940 mSDsCounter, 0 mSdLazyCounter, 4690 mSolverCounterSat, 781 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 11675 SdHoareTripleChecker+Invalid, 5473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 781 IncrementalHoareTripleChecker+Valid, 4690 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:44,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1675 Valid, 11675 Invalid, 5473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [781 Valid, 4690 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2021-11-17 08:06:45,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44176 states. [2021-11-17 08:06:47,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44176 to 43647. [2021-11-17 08:06:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43647 states, 31046 states have (on average 1.2355536945178123) internal successors, (38359), 31478 states have internal predecessors, (38359), 9824 states have call successors, (9824), 2739 states have call predecessors, (9824), 2776 states have return successors, (9912), 9756 states have call predecessors, (9912), 9824 states have call successors, (9912) [2021-11-17 08:06:47,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43647 states to 43647 states and 58095 transitions. [2021-11-17 08:06:47,328 INFO L78 Accepts]: Start accepts. Automaton has 43647 states and 58095 transitions. Word has length 590 [2021-11-17 08:06:47,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:47,329 INFO L470 AbstractCegarLoop]: Abstraction has 43647 states and 58095 transitions. [2021-11-17 08:06:47,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 34.714285714285715) internal successors, (243), 4 states have internal predecessors, (243), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2021-11-17 08:06:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 43647 states and 58095 transitions. [2021-11-17 08:06:47,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2021-11-17 08:06:47,357 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:47,357 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 20, 20, 13, 13, 13, 13, 13, 13, 8, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:06:47,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-17 08:06:47,358 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:06:47,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:47,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1984471303, now seen corresponding path program 1 times [2021-11-17 08:06:47,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:47,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022113274] [2021-11-17 08:06:47,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:47,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:06:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:06:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:06:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:06:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:06:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:06:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:06:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:06:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:06:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:06:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:06:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:06:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:06:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:06:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:06:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:06:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:06:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:06:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:06:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 08:06:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 08:06:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-11-17 08:06:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 08:06:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 08:06:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 08:06:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 08:06:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 08:06:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:06:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-11-17 08:06:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 08:06:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 08:06:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 08:06:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 08:06:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-17 08:06:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 08:06:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 08:06:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 08:06:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:06:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:06:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 08:06:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 08:06:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 08:06:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-11-17 08:06:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 08:06:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 08:06:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 08:06:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-11-17 08:06:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-11-17 08:06:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-11-17 08:06:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-11-17 08:06:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2021-11-17 08:06:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 08:06:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:06:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-11-17 08:06:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-11-17 08:06:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-11-17 08:06:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-11-17 08:06:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 08:06:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1956 trivial. 0 not checked. [2021-11-17 08:06:48,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:48,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022113274] [2021-11-17 08:06:48,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022113274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:48,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:48,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:06:48,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070073467] [2021-11-17 08:06:48,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:48,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:06:48,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:48,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:06:48,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:06:48,123 INFO L87 Difference]: Start difference. First operand 43647 states and 58095 transitions. Second operand has 6 states, 5 states have (on average 44.6) internal successors, (223), 3 states have internal predecessors, (223), 3 states have call successors, (79), 5 states have call predecessors, (79), 1 states have return successors, (72), 2 states have call predecessors, (72), 3 states have call successors, (72) [2021-11-17 08:06:50,160 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:06:51,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:06:53,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:06:55,752 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:07:00,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:07:00,608 INFO L93 Difference]: Finished difference Result 89365 states and 119727 transitions. [2021-11-17 08:07:00,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 08:07:00,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 44.6) internal successors, (223), 3 states have internal predecessors, (223), 3 states have call successors, (79), 5 states have call predecessors, (79), 1 states have return successors, (72), 2 states have call predecessors, (72), 3 states have call successors, (72) Word has length 600 [2021-11-17 08:07:00,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:07:00,714 INFO L225 Difference]: With dead ends: 89365 [2021-11-17 08:07:00,714 INFO L226 Difference]: Without dead ends: 45845 [2021-11-17 08:07:00,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-17 08:07:00,782 INFO L933 BasicCegarLoop]: 1617 mSDtfsCounter, 1176 mSDsluCounter, 3276 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 1383 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 4893 SdHoareTripleChecker+Invalid, 3241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1383 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:07:00,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1235 Valid, 4893 Invalid, 3241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1383 Valid, 1856 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2021-11-17 08:07:00,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45845 states. [2021-11-17 08:07:02,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45845 to 43695. [2021-11-17 08:07:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43695 states, 31094 states have (on average 1.2351900688235673) internal successors, (38407), 31526 states have internal predecessors, (38407), 9824 states have call successors, (9824), 2739 states have call predecessors, (9824), 2776 states have return successors, (9912), 9756 states have call predecessors, (9912), 9824 states have call successors, (9912) [2021-11-17 08:07:03,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43695 states to 43695 states and 58143 transitions. [2021-11-17 08:07:03,100 INFO L78 Accepts]: Start accepts. Automaton has 43695 states and 58143 transitions. Word has length 600 [2021-11-17 08:07:03,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:07:03,101 INFO L470 AbstractCegarLoop]: Abstraction has 43695 states and 58143 transitions. [2021-11-17 08:07:03,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 44.6) internal successors, (223), 3 states have internal predecessors, (223), 3 states have call successors, (79), 5 states have call predecessors, (79), 1 states have return successors, (72), 2 states have call predecessors, (72), 3 states have call successors, (72) [2021-11-17 08:07:03,101 INFO L276 IsEmpty]: Start isEmpty. Operand 43695 states and 58143 transitions. [2021-11-17 08:07:03,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2021-11-17 08:07:03,125 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:07:03,125 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 14, 14, 14, 14, 14, 14, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:07:03,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-17 08:07:03,126 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:07:03,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:07:03,126 INFO L85 PathProgramCache]: Analyzing trace with hash 858517153, now seen corresponding path program 1 times [2021-11-17 08:07:03,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:07:03,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763175877] [2021-11-17 08:07:03,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:07:03,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:07:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:07:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:07:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:07:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:07:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:07:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:07:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:07:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:07:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:07:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:07:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:07:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:07:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:07:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:07:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:07:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:07:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:07:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:07:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:07:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:07:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:07:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:07:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:07:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:07:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:07:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:07:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:07:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:07:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:07:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:07:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:07:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:07:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:07:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 08:07:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:07:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:07:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:07:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:07:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:07:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 08:07:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 08:07:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 08:07:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:07:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:07:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 08:07:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 08:07:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 08:07:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 08:07:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 08:07:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 08:07:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 08:07:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 08:07:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-11-17 08:07:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-11-17 08:07:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-11-17 08:07:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 08:07:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:07:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-11-17 08:07:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-11-17 08:07:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2021-11-17 08:07:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1990 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1964 trivial. 0 not checked. [2021-11-17 08:07:03,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:07:03,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763175877] [2021-11-17 08:07:03,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763175877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:07:03,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:07:03,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 08:07:03,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189168882] [2021-11-17 08:07:03,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:07:03,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 08:07:03,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:07:03,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 08:07:03,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-17 08:07:03,581 INFO L87 Difference]: Start difference. First operand 43695 states and 58143 transitions. Second operand has 8 states, 7 states have (on average 34.857142857142854) internal successors, (244), 4 states have internal predecessors, (244), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2021-11-17 08:07:12,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:07:12,576 INFO L93 Difference]: Finished difference Result 94712 states and 125890 transitions. [2021-11-17 08:07:12,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 08:07:12,576 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 34.857142857142854) internal successors, (244), 4 states have internal predecessors, (244), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 591 [2021-11-17 08:07:12,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:07:12,902 INFO L225 Difference]: With dead ends: 94712 [2021-11-17 08:07:12,902 INFO L226 Difference]: Without dead ends: 51144 [2021-11-17 08:07:12,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-11-17 08:07:12,983 INFO L933 BasicCegarLoop]: 2739 mSDtfsCounter, 1742 mSDsluCounter, 7981 mSDsCounter, 0 mSdLazyCounter, 3849 mSolverCounterSat, 1279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2007 SdHoareTripleChecker+Valid, 10720 SdHoareTripleChecker+Invalid, 5128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1279 IncrementalHoareTripleChecker+Valid, 3849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-17 08:07:12,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2007 Valid, 10720 Invalid, 5128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1279 Valid, 3849 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-11-17 08:07:13,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51144 states. [2021-11-17 08:07:15,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51144 to 50501. [2021-11-17 08:07:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50501 states, 36082 states have (on average 1.2315281857990135) internal successors, (44436), 36574 states have internal predecessors, (44436), 11123 states have call successors, (11123), 3228 states have call predecessors, (11123), 3295 states have return successors, (11256), 11064 states have call predecessors, (11256), 11123 states have call successors, (11256) [2021-11-17 08:07:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50501 states to 50501 states and 66815 transitions. [2021-11-17 08:07:15,541 INFO L78 Accepts]: Start accepts. Automaton has 50501 states and 66815 transitions. Word has length 591 [2021-11-17 08:07:15,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:07:15,542 INFO L470 AbstractCegarLoop]: Abstraction has 50501 states and 66815 transitions. [2021-11-17 08:07:15,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 34.857142857142854) internal successors, (244), 4 states have internal predecessors, (244), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2021-11-17 08:07:15,542 INFO L276 IsEmpty]: Start isEmpty. Operand 50501 states and 66815 transitions. [2021-11-17 08:07:15,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2021-11-17 08:07:15,569 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:07:15,570 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 14, 14, 14, 14, 14, 14, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:07:15,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-17 08:07:15,570 INFO L402 AbstractCegarLoop]: === Iteration 40 === 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)] === [2021-11-17 08:07:15,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:07:15,570 INFO L85 PathProgramCache]: Analyzing trace with hash 722414607, now seen corresponding path program 1 times [2021-11-17 08:07:15,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:07:15,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135160074] [2021-11-17 08:07:15,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:07:15,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:07:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:07:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:07:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:07:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:07:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:07:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:07:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:07:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:07:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:07:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:07:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:07:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:07:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:07:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:07:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:07:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:07:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:07:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:07:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:07:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:07:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:07:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:07:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:07:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:15,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:07:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:07:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:07:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:07:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:07:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:07:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:07:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:07:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:07:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:07:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 08:07:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:07:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:07:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:07:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:07:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:07:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 08:07:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 08:07:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 08:07:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:07:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:07:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 08:07:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 08:07:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 08:07:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 08:07:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 08:07:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 08:07:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 08:07:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 08:07:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-11-17 08:07:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-11-17 08:07:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-11-17 08:07:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 08:07:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:07:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-11-17 08:07:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2021-11-17 08:07:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-11-17 08:07:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:16,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1990 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1964 trivial. 0 not checked. [2021-11-17 08:07:16,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:07:16,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135160074] [2021-11-17 08:07:16,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135160074] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:07:16,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:07:16,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 08:07:16,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831033877] [2021-11-17 08:07:16,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:07:16,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 08:07:16,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:07:16,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 08:07:16,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-17 08:07:16,167 INFO L87 Difference]: Start difference. First operand 50501 states and 66815 transitions. Second operand has 8 states, 7 states have (on average 35.0) internal successors, (245), 4 states have internal predecessors, (245), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2021-11-17 08:07:18,407 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:07:29,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:07:29,891 INFO L93 Difference]: Finished difference Result 108288 states and 143385 transitions. [2021-11-17 08:07:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 08:07:29,892 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 35.0) internal successors, (245), 4 states have internal predecessors, (245), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 592 [2021-11-17 08:07:29,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:07:30,045 INFO L225 Difference]: With dead ends: 108288 [2021-11-17 08:07:30,045 INFO L226 Difference]: Without dead ends: 57914 [2021-11-17 08:07:30,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-11-17 08:07:30,133 INFO L933 BasicCegarLoop]: 2738 mSDtfsCounter, 1417 mSDsluCounter, 8936 mSDsCounter, 0 mSdLazyCounter, 4726 mSolverCounterSat, 786 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 11674 SdHoareTripleChecker+Invalid, 5513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 786 IncrementalHoareTripleChecker+Valid, 4726 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-11-17 08:07:30,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1683 Valid, 11674 Invalid, 5513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [786 Valid, 4726 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2021-11-17 08:07:30,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57914 states. [2021-11-17 08:07:33,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57914 to 57157. [2021-11-17 08:07:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57157 states, 41010 states have (on average 1.2290904657400634) internal successors, (50405), 41562 states have internal predecessors, (50405), 12392 states have call successors, (12392), 3657 states have call predecessors, (12392), 3754 states have return successors, (12570), 12342 states have call predecessors, (12570), 12392 states have call successors, (12570) [2021-11-17 08:07:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57157 states to 57157 states and 75367 transitions. [2021-11-17 08:07:33,320 INFO L78 Accepts]: Start accepts. Automaton has 57157 states and 75367 transitions. Word has length 592 [2021-11-17 08:07:33,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:07:33,321 INFO L470 AbstractCegarLoop]: Abstraction has 57157 states and 75367 transitions. [2021-11-17 08:07:33,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 35.0) internal successors, (245), 4 states have internal predecessors, (245), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2021-11-17 08:07:33,321 INFO L276 IsEmpty]: Start isEmpty. Operand 57157 states and 75367 transitions. [2021-11-17 08:07:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2021-11-17 08:07:33,350 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:07:33,350 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 14, 14, 14, 14, 14, 14, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:07:33,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-17 08:07:33,350 INFO L402 AbstractCegarLoop]: === Iteration 41 === 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)] === [2021-11-17 08:07:33,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:07:33,351 INFO L85 PathProgramCache]: Analyzing trace with hash 468329246, now seen corresponding path program 1 times [2021-11-17 08:07:33,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:07:33,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989254574] [2021-11-17 08:07:33,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:07:33,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:07:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:07:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:07:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:07:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:07:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:07:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:07:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:07:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:07:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:07:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:07:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:07:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:07:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:07:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:07:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:07:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:07:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:07:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:07:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:07:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:07:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:07:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:07:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:07:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:07:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:07:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:07:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:07:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:07:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:07:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:07:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:07:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:07:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:07:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 08:07:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:07:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:07:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:07:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:07:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:07:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 08:07:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 08:07:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 08:07:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:07:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:07:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 08:07:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 08:07:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 08:07:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 08:07:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 08:07:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 08:07:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 08:07:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 08:07:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-11-17 08:07:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-11-17 08:07:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2021-11-17 08:07:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 08:07:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:07:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-11-17 08:07:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-11-17 08:07:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-11-17 08:07:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1990 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1964 trivial. 0 not checked. [2021-11-17 08:07:33,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:07:33,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989254574] [2021-11-17 08:07:33,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989254574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:07:33,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:07:33,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 08:07:33,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097908687] [2021-11-17 08:07:33,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:07:33,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 08:07:33,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:07:33,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 08:07:33,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-17 08:07:33,969 INFO L87 Difference]: Start difference. First operand 57157 states and 75367 transitions. Second operand has 8 states, 7 states have (on average 35.142857142857146) internal successors, (246), 4 states have internal predecessors, (246), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2021-11-17 08:07:36,268 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:07:38,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:07:46,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:07:46,867 INFO L93 Difference]: Finished difference Result 122890 states and 161728 transitions. [2021-11-17 08:07:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 08:07:46,868 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 35.142857142857146) internal successors, (246), 4 states have internal predecessors, (246), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 593 [2021-11-17 08:07:46,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:07:47,057 INFO L225 Difference]: With dead ends: 122890 [2021-11-17 08:07:47,058 INFO L226 Difference]: Without dead ends: 65860 [2021-11-17 08:07:47,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-11-17 08:07:47,169 INFO L933 BasicCegarLoop]: 2714 mSDtfsCounter, 1772 mSDsluCounter, 7943 mSDsCounter, 0 mSdLazyCounter, 3810 mSolverCounterSat, 1287 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2046 SdHoareTripleChecker+Valid, 10657 SdHoareTripleChecker+Invalid, 5099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1287 IncrementalHoareTripleChecker+Valid, 3810 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-11-17 08:07:47,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2046 Valid, 10657 Invalid, 5099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1287 Valid, 3810 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2021-11-17 08:07:47,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65860 states. [2021-11-17 08:07:50,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65860 to 64989. [2021-11-17 08:07:50,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64989 states, 46700 states have (on average 1.223982869379015) internal successors, (57160), 47312 states have internal predecessors, (57160), 13781 states have call successors, (13781), 4380 states have call predecessors, (13781), 4507 states have return successors, (14004), 13740 states have call predecessors, (14004), 13781 states have call successors, (14004) [2021-11-17 08:07:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64989 states to 64989 states and 84945 transitions. [2021-11-17 08:07:50,632 INFO L78 Accepts]: Start accepts. Automaton has 64989 states and 84945 transitions. Word has length 593 [2021-11-17 08:07:50,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:07:50,633 INFO L470 AbstractCegarLoop]: Abstraction has 64989 states and 84945 transitions. [2021-11-17 08:07:50,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 35.142857142857146) internal successors, (246), 4 states have internal predecessors, (246), 4 states have call successors, (66), 5 states have call predecessors, (66), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2021-11-17 08:07:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 64989 states and 84945 transitions. [2021-11-17 08:07:50,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2021-11-17 08:07:50,667 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:07:50,667 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 14, 14, 14, 14, 14, 14, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:07:50,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-17 08:07:50,668 INFO L402 AbstractCegarLoop]: === Iteration 42 === 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)] === [2021-11-17 08:07:50,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:07:50,668 INFO L85 PathProgramCache]: Analyzing trace with hash 851743916, now seen corresponding path program 1 times [2021-11-17 08:07:50,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:07:50,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341806253] [2021-11-17 08:07:50,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:07:50,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:07:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:07:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:07:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:07:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:07:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:07:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:07:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:07:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:07:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:07:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:07:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:07:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:07:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 08:07:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 08:07:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 08:07:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 08:07:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 08:07:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 08:07:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 08:07:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:07:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 08:07:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:07:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:07:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:07:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:07:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:07:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 08:07:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:07:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:07:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 08:07:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:07:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 08:07:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:07:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 08:07:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:07:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:07:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 08:07:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 08:07:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:07:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 08:07:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 08:07:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 08:07:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 08:07:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:07:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 08:07:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 08:07:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 08:07:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 08:07:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 08:07:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 08:07:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 08:07:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-11-17 08:07:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-11-17 08:07:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2021-11-17 08:07:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-11-17 08:07:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 08:07:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 08:07:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 08:07:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-11-17 08:07:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2021-11-17 08:07:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2021-11-17 08:07:51,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:07:51,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341806253] [2021-11-17 08:07:51,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341806253] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:07:51,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:07:51,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 08:07:51,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283991938] [2021-11-17 08:07:51,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:07:51,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 08:07:51,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:07:51,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 08:07:51,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-17 08:07:51,133 INFO L87 Difference]: Start difference. First operand 64989 states and 84945 transitions. Second operand has 8 states, 7 states have (on average 34.0) internal successors, (238), 4 states have internal predecessors, (238), 3 states have call successors, (65), 6 states have call predecessors, (65), 2 states have return successors, (62), 2 states have call predecessors, (62), 3 states have call successors, (62) [2021-11-17 08:07:53,167 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []