./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5afcd851c0eed3ee93d773a0172936a989a39cd6889ca2587c3b833a21bc8a3a --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 04:00:20,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 04:00:20,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 04:00:20,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 04:00:20,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 04:00:20,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 04:00:20,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 04:00:20,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 04:00:20,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 04:00:20,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 04:00:20,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 04:00:20,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 04:00:20,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 04:00:20,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 04:00:20,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 04:00:20,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 04:00:20,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 04:00:20,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 04:00:20,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 04:00:20,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 04:00:20,824 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 04:00:20,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 04:00:20,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 04:00:20,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 04:00:20,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 04:00:20,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 04:00:20,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 04:00:20,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 04:00:20,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 04:00:20,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 04:00:20,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 04:00:20,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 04:00:20,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 04:00:20,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 04:00:20,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 04:00:20,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 04:00:20,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 04:00:20,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 04:00:20,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 04:00:20,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 04:00:20,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 04:00:20,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 04:00:20,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 04:00:20,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 04:00:20,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 04:00:20,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 04:00:20,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 04:00:20,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 04:00:20,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 04:00:20,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 04:00:20,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 04:00:20,881 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 04:00:20,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 04:00:20,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 04:00:20,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 04:00:20,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 04:00:20,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 04:00:20,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 04:00:20,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 04:00:20,883 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 04:00:20,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 04:00:20,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 04:00:20,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 04:00:20,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 04:00:20,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:00:20,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 04:00:20,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 04:00:20,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 04:00:20,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 04:00:20,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 04:00:20,887 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 04:00:20,887 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 04:00:20,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 04:00:20,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5afcd851c0eed3ee93d773a0172936a989a39cd6889ca2587c3b833a21bc8a3a [2022-07-23 04:00:21,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 04:00:21,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 04:00:21,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 04:00:21,257 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 04:00:21,257 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 04:00:21,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-23 04:00:21,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a4b4985/55c62daa2da64c4a86e4ba35eb0b8da7/FLAGab504cbe4 [2022-07-23 04:00:22,205 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 04:00:22,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-23 04:00:22,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a4b4985/55c62daa2da64c4a86e4ba35eb0b8da7/FLAGab504cbe4 [2022-07-23 04:00:22,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a4b4985/55c62daa2da64c4a86e4ba35eb0b8da7 [2022-07-23 04:00:22,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 04:00:22,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 04:00:22,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 04:00:22,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 04:00:22,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 04:00:22,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:00:22" (1/1) ... [2022-07-23 04:00:22,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f7c45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:22, skipping insertion in model container [2022-07-23 04:00:22,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:00:22" (1/1) ... [2022-07-23 04:00:22,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 04:00:22,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 04:00:25,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2022-07-23 04:00:25,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2022-07-23 04:00:25,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2022-07-23 04:00:25,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2022-07-23 04:00:25,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:00:25,877 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 04:00:26,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410165,410178] [2022-07-23 04:00:26,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410334,410347] [2022-07-23 04:00:26,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410501,410514] [2022-07-23 04:00:26,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[410669,410682] [2022-07-23 04:00:26,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:00:26,438 INFO L208 MainTranslator]: Completed translation [2022-07-23 04:00:26,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:26 WrapperNode [2022-07-23 04:00:26,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 04:00:26,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 04:00:26,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 04:00:26,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 04:00:26,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:26" (1/1) ... [2022-07-23 04:00:26,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:26" (1/1) ... [2022-07-23 04:00:26,812 INFO L137 Inliner]: procedures = 541, calls = 2829, calls flagged for inlining = 282, calls inlined = 248, statements flattened = 7471 [2022-07-23 04:00:26,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 04:00:26,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 04:00:26,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 04:00:26,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 04:00:26,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:26" (1/1) ... [2022-07-23 04:00:26,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:26" (1/1) ... [2022-07-23 04:00:26,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:26" (1/1) ... [2022-07-23 04:00:26,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:26" (1/1) ... [2022-07-23 04:00:27,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:26" (1/1) ... [2022-07-23 04:00:27,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:26" (1/1) ... [2022-07-23 04:00:27,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:26" (1/1) ... [2022-07-23 04:00:27,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 04:00:27,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 04:00:27,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 04:00:27,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 04:00:27,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:26" (1/1) ... [2022-07-23 04:00:27,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:00:27,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:00:27,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 04:00:27,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 04:00:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-23 04:00:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-23 04:00:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 04:00:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 04:00:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 04:00:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 04:00:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 04:00:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 04:00:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 04:00:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 04:00:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 04:00:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 04:00:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 04:00:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 04:00:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 04:00:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 04:00:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 04:00:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 04:00:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2022-07-23 04:00:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2022-07-23 04:00:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-07-23 04:00:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-07-23 04:00:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 04:00:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 04:00:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 04:00:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 04:00:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 04:00:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 04:00:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 04:00:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 04:00:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 04:00:27,189 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 04:00:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 04:00:27,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 04:00:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 04:00:27,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 04:00:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 04:00:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-07-23 04:00:27,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-07-23 04:00:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 04:00:27,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 04:00:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 04:00:27,191 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 04:00:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 04:00:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 04:00:27,192 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 04:00:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 04:00:27,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 04:00:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 04:00:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 04:00:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 04:00:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-07-23 04:00:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-07-23 04:00:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 04:00:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 04:00:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 04:00:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 04:00:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 04:00:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-07-23 04:00:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-07-23 04:00:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 04:00:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 04:00:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 04:00:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 04:00:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 04:00:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 04:00:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 04:00:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 04:00:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 04:00:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 04:00:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-07-23 04:00:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-07-23 04:00:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-23 04:00:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-23 04:00:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-23 04:00:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-23 04:00:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 04:00:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 04:00:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 04:00:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 04:00:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 04:00:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-07-23 04:00:27,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-07-23 04:00:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 04:00:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 04:00:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 04:00:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 04:00:27,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 04:00:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 04:00:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 04:00:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 04:00:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 04:00:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 04:00:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 04:00:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-07-23 04:00:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-07-23 04:00:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-23 04:00:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-23 04:00:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 04:00:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 04:00:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-07-23 04:00:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-07-23 04:00:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 04:00:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 04:00:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-23 04:00:27,204 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-23 04:00:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 04:00:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 04:00:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 04:00:27,205 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 04:00:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 04:00:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 04:00:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-07-23 04:00:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-07-23 04:00:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-23 04:00:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-23 04:00:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 04:00:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 04:00:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-07-23 04:00:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-07-23 04:00:27,211 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-23 04:00:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-23 04:00:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 04:00:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 04:00:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 04:00:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 04:00:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 04:00:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 04:00:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 04:00:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 04:00:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-07-23 04:00:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-07-23 04:00:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 04:00:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 04:00:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-07-23 04:00:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-07-23 04:00:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2022-07-23 04:00:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2022-07-23 04:00:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-23 04:00:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 04:00:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 04:00:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-07-23 04:00:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-07-23 04:00:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-07-23 04:00:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-07-23 04:00:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 04:00:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 04:00:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 04:00:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 04:00:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-23 04:00:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-23 04:00:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 04:00:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 04:00:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-23 04:00:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-23 04:00:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-07-23 04:00:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-07-23 04:00:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-07-23 04:00:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-07-23 04:00:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-07-23 04:00:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-07-23 04:00:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-07-23 04:00:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-07-23 04:00:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 04:00:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 04:00:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 04:00:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-07-23 04:00:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-07-23 04:00:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 04:00:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 04:00:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 04:00:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-23 04:00:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-23 04:00:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 04:00:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-07-23 04:00:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-07-23 04:00:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-07-23 04:00:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-07-23 04:00:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-23 04:00:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-23 04:00:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 04:00:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 04:00:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-07-23 04:00:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-07-23 04:00:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 04:00:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 04:00:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-07-23 04:00:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-07-23 04:00:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-23 04:00:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-23 04:00:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 04:00:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 04:00:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-07-23 04:00:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-07-23 04:00:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-07-23 04:00:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-07-23 04:00:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-23 04:00:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-23 04:00:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-07-23 04:00:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-07-23 04:00:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 04:00:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 04:00:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 04:00:27,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 04:00:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 04:00:27,229 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 04:00:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-07-23 04:00:27,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-07-23 04:00:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 04:00:27,229 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 04:00:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-07-23 04:00:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-07-23 04:00:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-07-23 04:00:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-07-23 04:00:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-23 04:00:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-23 04:00:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 04:00:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 04:00:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 04:00:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-07-23 04:00:27,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-07-23 04:00:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 04:00:27,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 04:00:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 04:00:27,231 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 04:00:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 04:00:27,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 04:00:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-07-23 04:00:27,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-07-23 04:00:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-07-23 04:00:27,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-07-23 04:00:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-23 04:00:27,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-23 04:00:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2022-07-23 04:00:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2022-07-23 04:00:27,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 04:00:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 04:00:27,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 04:00:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 04:00:27,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 04:00:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 04:00:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 04:00:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 04:00:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-23 04:00:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-23 04:00:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 04:00:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-23 04:00:27,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-23 04:00:27,238 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-23 04:00:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-23 04:00:27,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 04:00:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 04:00:27,240 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 04:00:27,240 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 04:00:28,200 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 04:00:28,203 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 04:00:28,407 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 04:00:34,247 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 04:00:34,272 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 04:00:34,272 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-23 04:00:34,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:00:34 BoogieIcfgContainer [2022-07-23 04:00:34,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 04:00:34,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 04:00:34,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 04:00:34,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 04:00:34,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 04:00:22" (1/3) ... [2022-07-23 04:00:34,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e58e3bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:00:34, skipping insertion in model container [2022-07-23 04:00:34,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:00:26" (2/3) ... [2022-07-23 04:00:34,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e58e3bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:00:34, skipping insertion in model container [2022-07-23 04:00:34,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:00:34" (3/3) ... [2022-07-23 04:00:34,284 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-23 04:00:34,296 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 04:00:34,297 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 04:00:34,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 04:00:34,446 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5e490ea5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@54046c82 [2022-07-23 04:00:34,447 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 04:00:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 2490 states, 1724 states have (on average 1.3132250580046403) internal successors, (2264), 1789 states have internal predecessors, (2264), 647 states have call successors, (647), 118 states have call predecessors, (647), 117 states have return successors, (639), 620 states have call predecessors, (639), 639 states have call successors, (639) [2022-07-23 04:00:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-23 04:00:34,467 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:34,467 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:34,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:34,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:34,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1730525239, now seen corresponding path program 1 times [2022-07-23 04:00:34,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:34,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913098495] [2022-07-23 04:00:34,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:34,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 04:00:35,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:35,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913098495] [2022-07-23 04:00:35,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913098495] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:35,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:35,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:00:35,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280622020] [2022-07-23 04:00:35,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:35,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:00:35,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:35,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:00:35,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:00:35,155 INFO L87 Difference]: Start difference. First operand has 2490 states, 1724 states have (on average 1.3132250580046403) internal successors, (2264), 1789 states have internal predecessors, (2264), 647 states have call successors, (647), 118 states have call predecessors, (647), 117 states have return successors, (639), 620 states have call predecessors, (639), 639 states have call successors, (639) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-23 04:00:36,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:36,795 INFO L93 Difference]: Finished difference Result 7347 states and 10748 transitions. [2022-07-23 04:00:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:00:36,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 57 [2022-07-23 04:00:36,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:36,864 INFO L225 Difference]: With dead ends: 7347 [2022-07-23 04:00:36,865 INFO L226 Difference]: Without dead ends: 4862 [2022-07-23 04:00:36,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:00:36,901 INFO L413 NwaCegarLoop]: 4055 mSDtfsCounter, 3413 mSDsluCounter, 3392 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 7447 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:36,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 7447 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 04:00:36,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4862 states. [2022-07-23 04:00:37,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4862 to 4825. [2022-07-23 04:00:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4825 states, 3341 states have (on average 1.2708769829392397) internal successors, (4246), 3454 states have internal predecessors, (4246), 1250 states have call successors, (1250), 232 states have call predecessors, (1250), 231 states have return successors, (1249), 1207 states have call predecessors, (1249), 1247 states have call successors, (1249) [2022-07-23 04:00:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4825 states to 4825 states and 6745 transitions. [2022-07-23 04:00:37,358 INFO L78 Accepts]: Start accepts. Automaton has 4825 states and 6745 transitions. Word has length 57 [2022-07-23 04:00:37,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:37,359 INFO L495 AbstractCegarLoop]: Abstraction has 4825 states and 6745 transitions. [2022-07-23 04:00:37,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-23 04:00:37,359 INFO L276 IsEmpty]: Start isEmpty. Operand 4825 states and 6745 transitions. [2022-07-23 04:00:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-23 04:00:37,368 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:37,368 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:37,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 04:00:37,369 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:37,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:37,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1658138681, now seen corresponding path program 1 times [2022-07-23 04:00:37,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:37,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597274579] [2022-07-23 04:00:37,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:37,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:37,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:37,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:37,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:37,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:37,709 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 04:00:37,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:37,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597274579] [2022-07-23 04:00:37,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597274579] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:37,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:37,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:37,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518800246] [2022-07-23 04:00:37,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:37,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:37,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:37,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:37,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:37,715 INFO L87 Difference]: Start difference. First operand 4825 states and 6745 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-23 04:00:38,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:38,028 INFO L93 Difference]: Finished difference Result 4897 states and 6815 transitions. [2022-07-23 04:00:38,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:38,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 57 [2022-07-23 04:00:38,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:38,065 INFO L225 Difference]: With dead ends: 4897 [2022-07-23 04:00:38,065 INFO L226 Difference]: Without dead ends: 4895 [2022-07-23 04:00:38,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:38,073 INFO L413 NwaCegarLoop]: 3418 mSDtfsCounter, 3370 mSDsluCounter, 6867 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 10285 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:38,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3382 Valid, 10285 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:38,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4895 states. [2022-07-23 04:00:38,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4895 to 4893. [2022-07-23 04:00:38,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4893 states, 3386 states have (on average 1.2690490253987006) internal successors, (4297), 3503 states have internal predecessors, (4297), 1258 states have call successors, (1258), 247 states have call predecessors, (1258), 246 states have return successors, (1257), 1215 states have call predecessors, (1257), 1255 states have call successors, (1257) [2022-07-23 04:00:38,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4893 states to 4893 states and 6812 transitions. [2022-07-23 04:00:38,347 INFO L78 Accepts]: Start accepts. Automaton has 4893 states and 6812 transitions. Word has length 57 [2022-07-23 04:00:38,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:38,348 INFO L495 AbstractCegarLoop]: Abstraction has 4893 states and 6812 transitions. [2022-07-23 04:00:38,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-23 04:00:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 4893 states and 6812 transitions. [2022-07-23 04:00:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-07-23 04:00:38,352 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:38,352 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:38,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 04:00:38,352 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:38,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:38,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1487064351, now seen corresponding path program 1 times [2022-07-23 04:00:38,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:38,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483572153] [2022-07-23 04:00:38,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:38,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:38,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:38,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:38,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:38,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:38,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:38,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:38,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-23 04:00:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 04:00:38,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:38,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483572153] [2022-07-23 04:00:38,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483572153] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:38,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:38,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:38,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178950327] [2022-07-23 04:00:38,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:38,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:38,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:38,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:38,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:38,677 INFO L87 Difference]: Start difference. First operand 4893 states and 6812 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-23 04:00:38,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:38,986 INFO L93 Difference]: Finished difference Result 4899 states and 6817 transitions. [2022-07-23 04:00:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:38,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 62 [2022-07-23 04:00:38,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:39,014 INFO L225 Difference]: With dead ends: 4899 [2022-07-23 04:00:39,015 INFO L226 Difference]: Without dead ends: 4897 [2022-07-23 04:00:39,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:39,020 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3379 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3390 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:39,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3390 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:39,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4897 states. [2022-07-23 04:00:39,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4897 to 4897. [2022-07-23 04:00:39,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4897 states, 3389 states have (on average 1.2688108586603717) internal successors, (4300), 3506 states have internal predecessors, (4300), 1258 states have call successors, (1258), 248 states have call predecessors, (1258), 247 states have return successors, (1257), 1215 states have call predecessors, (1257), 1255 states have call successors, (1257) [2022-07-23 04:00:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4897 states to 4897 states and 6815 transitions. [2022-07-23 04:00:39,260 INFO L78 Accepts]: Start accepts. Automaton has 4897 states and 6815 transitions. Word has length 62 [2022-07-23 04:00:39,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:39,262 INFO L495 AbstractCegarLoop]: Abstraction has 4897 states and 6815 transitions. [2022-07-23 04:00:39,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-23 04:00:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 4897 states and 6815 transitions. [2022-07-23 04:00:39,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-23 04:00:39,264 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:39,264 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:39,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 04:00:39,265 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:39,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:39,265 INFO L85 PathProgramCache]: Analyzing trace with hash -2142129927, now seen corresponding path program 1 times [2022-07-23 04:00:39,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:39,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552882637] [2022-07-23 04:00:39,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:39,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:39,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:39,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-23 04:00:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:39,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:00:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:39,532 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-23 04:00:39,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:39,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552882637] [2022-07-23 04:00:39,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552882637] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:39,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:39,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:39,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739937880] [2022-07-23 04:00:39,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:39,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:39,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:39,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:39,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:39,535 INFO L87 Difference]: Start difference. First operand 4897 states and 6815 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 04:00:39,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:39,745 INFO L93 Difference]: Finished difference Result 4903 states and 6820 transitions. [2022-07-23 04:00:39,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:39,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 67 [2022-07-23 04:00:39,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:39,773 INFO L225 Difference]: With dead ends: 4903 [2022-07-23 04:00:39,773 INFO L226 Difference]: Without dead ends: 4901 [2022-07-23 04:00:39,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:39,778 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3379 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:39,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:39,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4901 states. [2022-07-23 04:00:39,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4901 to 4901. [2022-07-23 04:00:40,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4901 states, 3392 states have (on average 1.268573113207547) internal successors, (4303), 3509 states have internal predecessors, (4303), 1258 states have call successors, (1258), 249 states have call predecessors, (1258), 248 states have return successors, (1257), 1215 states have call predecessors, (1257), 1255 states have call successors, (1257) [2022-07-23 04:00:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4901 states and 6818 transitions. [2022-07-23 04:00:40,038 INFO L78 Accepts]: Start accepts. Automaton has 4901 states and 6818 transitions. Word has length 67 [2022-07-23 04:00:40,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:40,039 INFO L495 AbstractCegarLoop]: Abstraction has 4901 states and 6818 transitions. [2022-07-23 04:00:40,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 04:00:40,040 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 6818 transitions. [2022-07-23 04:00:40,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-23 04:00:40,041 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:40,041 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:40,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 04:00:40,042 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:40,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:40,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1267554721, now seen corresponding path program 1 times [2022-07-23 04:00:40,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:40,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959254677] [2022-07-23 04:00:40,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:40,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:40,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:40,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:40,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:40,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-23 04:00:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:40,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:00:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:40,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:00:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:40,281 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:00:40,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:40,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959254677] [2022-07-23 04:00:40,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959254677] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:40,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:40,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:40,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292868320] [2022-07-23 04:00:40,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:40,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:40,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:40,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:40,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:40,285 INFO L87 Difference]: Start difference. First operand 4901 states and 6818 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:00:40,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:40,484 INFO L93 Difference]: Finished difference Result 4907 states and 6823 transitions. [2022-07-23 04:00:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:40,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2022-07-23 04:00:40,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:40,520 INFO L225 Difference]: With dead ends: 4907 [2022-07-23 04:00:40,520 INFO L226 Difference]: Without dead ends: 4905 [2022-07-23 04:00:40,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:40,527 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3379 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:40,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3388 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:40,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4905 states. [2022-07-23 04:00:40,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4905 to 4905. [2022-07-23 04:00:40,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4905 states, 3395 states have (on average 1.2683357879234167) internal successors, (4306), 3512 states have internal predecessors, (4306), 1258 states have call successors, (1258), 250 states have call predecessors, (1258), 249 states have return successors, (1257), 1215 states have call predecessors, (1257), 1255 states have call successors, (1257) [2022-07-23 04:00:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4905 states to 4905 states and 6821 transitions. [2022-07-23 04:00:40,854 INFO L78 Accepts]: Start accepts. Automaton has 4905 states and 6821 transitions. Word has length 72 [2022-07-23 04:00:40,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:40,855 INFO L495 AbstractCegarLoop]: Abstraction has 4905 states and 6821 transitions. [2022-07-23 04:00:40,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:00:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 4905 states and 6821 transitions. [2022-07-23 04:00:40,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-23 04:00:40,857 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:40,857 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:40,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 04:00:40,857 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:40,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:40,858 INFO L85 PathProgramCache]: Analyzing trace with hash 438694329, now seen corresponding path program 1 times [2022-07-23 04:00:40,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:40,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110613969] [2022-07-23 04:00:40,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:40,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-23 04:00:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:00:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:00:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 04:00:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,143 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-07-23 04:00:41,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:41,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110613969] [2022-07-23 04:00:41,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110613969] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:41,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:41,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:41,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459227347] [2022-07-23 04:00:41,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:41,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:41,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:41,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:41,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:41,146 INFO L87 Difference]: Start difference. First operand 4905 states and 6821 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 04:00:41,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:41,354 INFO L93 Difference]: Finished difference Result 4911 states and 6826 transitions. [2022-07-23 04:00:41,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:41,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2022-07-23 04:00:41,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:41,386 INFO L225 Difference]: With dead ends: 4911 [2022-07-23 04:00:41,386 INFO L226 Difference]: Without dead ends: 4909 [2022-07-23 04:00:41,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:41,393 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3379 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3387 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:41,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3387 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:41,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4909 states. [2022-07-23 04:00:41,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4909 to 4909. [2022-07-23 04:00:41,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4909 states, 3398 states have (on average 1.2680988816951149) internal successors, (4309), 3515 states have internal predecessors, (4309), 1258 states have call successors, (1258), 251 states have call predecessors, (1258), 250 states have return successors, (1257), 1215 states have call predecessors, (1257), 1255 states have call successors, (1257) [2022-07-23 04:00:41,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 6824 transitions. [2022-07-23 04:00:41,635 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 6824 transitions. Word has length 77 [2022-07-23 04:00:41,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:41,636 INFO L495 AbstractCegarLoop]: Abstraction has 4909 states and 6824 transitions. [2022-07-23 04:00:41,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 04:00:41,637 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 6824 transitions. [2022-07-23 04:00:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-23 04:00:41,638 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:41,638 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:41,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 04:00:41,639 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:41,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:41,640 INFO L85 PathProgramCache]: Analyzing trace with hash -127691996, now seen corresponding path program 1 times [2022-07-23 04:00:41,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:41,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742816337] [2022-07-23 04:00:41,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:41,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:00:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:00:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 04:00:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 04:00:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:00:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:00:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-07-23 04:00:41,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:41,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742816337] [2022-07-23 04:00:41,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742816337] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:41,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:41,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:00:41,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448583532] [2022-07-23 04:00:41,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:41,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:00:41,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:41,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:00:41,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:00:41,919 INFO L87 Difference]: Start difference. First operand 4909 states and 6824 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 04:00:42,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:42,331 INFO L93 Difference]: Finished difference Result 9462 states and 13131 transitions. [2022-07-23 04:00:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:00:42,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 93 [2022-07-23 04:00:42,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:42,384 INFO L225 Difference]: With dead ends: 9462 [2022-07-23 04:00:42,385 INFO L226 Difference]: Without dead ends: 9420 [2022-07-23 04:00:42,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:00:42,397 INFO L413 NwaCegarLoop]: 4829 mSDtfsCounter, 3098 mSDsluCounter, 3411 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3098 SdHoareTripleChecker+Valid, 8240 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:42,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3098 Valid, 8240 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 04:00:42,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9420 states. [2022-07-23 04:00:42,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9420 to 9369. [2022-07-23 04:00:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9369 states, 6496 states have (on average 1.2695504926108374) internal successors, (8247), 6710 states have internal predecessors, (8247), 2390 states have call successors, (2390), 481 states have call predecessors, (2390), 480 states have return successors, (2390), 2312 states have call predecessors, (2390), 2387 states have call successors, (2390) [2022-07-23 04:00:42,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9369 states to 9369 states and 13027 transitions. [2022-07-23 04:00:42,885 INFO L78 Accepts]: Start accepts. Automaton has 9369 states and 13027 transitions. Word has length 93 [2022-07-23 04:00:42,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:42,885 INFO L495 AbstractCegarLoop]: Abstraction has 9369 states and 13027 transitions. [2022-07-23 04:00:42,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 04:00:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand 9369 states and 13027 transitions. [2022-07-23 04:00:42,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-23 04:00:42,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:42,888 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:42,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 04:00:42,888 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:42,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:42,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1095042650, now seen corresponding path program 1 times [2022-07-23 04:00:42,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:42,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906292083] [2022-07-23 04:00:42,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:42,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:00:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:00:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 04:00:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 04:00:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:00:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:00:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:43,137 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-07-23 04:00:43,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:43,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906292083] [2022-07-23 04:00:43,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906292083] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:43,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:43,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:00:43,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397002535] [2022-07-23 04:00:43,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:43,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:00:43,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:43,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:00:43,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:00:43,139 INFO L87 Difference]: Start difference. First operand 9369 states and 13027 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 04:00:44,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:44,467 INFO L93 Difference]: Finished difference Result 9984 states and 13780 transitions. [2022-07-23 04:00:44,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:00:44,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 93 [2022-07-23 04:00:44,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:44,513 INFO L225 Difference]: With dead ends: 9984 [2022-07-23 04:00:44,514 INFO L226 Difference]: Without dead ends: 9422 [2022-07-23 04:00:44,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:00:44,526 INFO L413 NwaCegarLoop]: 5721 mSDtfsCounter, 3384 mSDsluCounter, 3366 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 9087 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:44,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3384 Valid, 9087 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-23 04:00:44,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9422 states. [2022-07-23 04:00:44,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9422 to 9370. [2022-07-23 04:00:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9370 states, 6497 states have (on average 1.2693550869632138) internal successors, (8247), 6711 states have internal predecessors, (8247), 2390 states have call successors, (2390), 481 states have call predecessors, (2390), 480 states have return successors, (2390), 2312 states have call predecessors, (2390), 2387 states have call successors, (2390) [2022-07-23 04:00:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9370 states to 9370 states and 13027 transitions. [2022-07-23 04:00:45,004 INFO L78 Accepts]: Start accepts. Automaton has 9370 states and 13027 transitions. Word has length 93 [2022-07-23 04:00:45,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:45,004 INFO L495 AbstractCegarLoop]: Abstraction has 9370 states and 13027 transitions. [2022-07-23 04:00:45,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 04:00:45,004 INFO L276 IsEmpty]: Start isEmpty. Operand 9370 states and 13027 transitions. [2022-07-23 04:00:45,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-23 04:00:45,006 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:45,006 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:45,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 04:00:45,007 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:45,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:45,007 INFO L85 PathProgramCache]: Analyzing trace with hash -141102492, now seen corresponding path program 1 times [2022-07-23 04:00:45,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:45,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360630218] [2022-07-23 04:00:45,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:45,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:00:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:00:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 04:00:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 04:00:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:00:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:00:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:45,243 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-07-23 04:00:45,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:45,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360630218] [2022-07-23 04:00:45,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360630218] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:45,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:45,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:45,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275603972] [2022-07-23 04:00:45,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:45,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:45,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:45,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:45,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:45,246 INFO L87 Difference]: Start difference. First operand 9370 states and 13027 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-23 04:00:45,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:45,594 INFO L93 Difference]: Finished difference Result 9376 states and 13032 transitions. [2022-07-23 04:00:45,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:45,595 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 93 [2022-07-23 04:00:45,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:45,636 INFO L225 Difference]: With dead ends: 9376 [2022-07-23 04:00:45,636 INFO L226 Difference]: Without dead ends: 9374 [2022-07-23 04:00:45,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:45,647 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3371 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3378 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:45,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3378 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:45,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9374 states. [2022-07-23 04:00:46,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9374 to 9374. [2022-07-23 04:00:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9374 states, 6500 states have (on average 1.2692307692307692) internal successors, (8250), 6714 states have internal predecessors, (8250), 2390 states have call successors, (2390), 482 states have call predecessors, (2390), 481 states have return successors, (2390), 2312 states have call predecessors, (2390), 2387 states have call successors, (2390) [2022-07-23 04:00:46,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9374 states to 9374 states and 13030 transitions. [2022-07-23 04:00:46,127 INFO L78 Accepts]: Start accepts. Automaton has 9374 states and 13030 transitions. Word has length 93 [2022-07-23 04:00:46,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:46,128 INFO L495 AbstractCegarLoop]: Abstraction has 9374 states and 13030 transitions. [2022-07-23 04:00:46,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-23 04:00:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 9374 states and 13030 transitions. [2022-07-23 04:00:46,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-23 04:00:46,130 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:46,130 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:46,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 04:00:46,131 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:46,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:46,131 INFO L85 PathProgramCache]: Analyzing trace with hash 961972822, now seen corresponding path program 1 times [2022-07-23 04:00:46,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:46,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273789030] [2022-07-23 04:00:46,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:46,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:00:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:00:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 04:00:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 04:00:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:00:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:00:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 04:00:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:46,381 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-23 04:00:46,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:46,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273789030] [2022-07-23 04:00:46,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273789030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:46,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:46,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:46,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125408327] [2022-07-23 04:00:46,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:46,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:46,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:46,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:46,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:46,384 INFO L87 Difference]: Start difference. First operand 9374 states and 13030 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 04:00:46,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:46,778 INFO L93 Difference]: Finished difference Result 9380 states and 13035 transitions. [2022-07-23 04:00:46,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:46,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 98 [2022-07-23 04:00:46,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:46,818 INFO L225 Difference]: With dead ends: 9380 [2022-07-23 04:00:46,819 INFO L226 Difference]: Without dead ends: 9378 [2022-07-23 04:00:46,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:46,826 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3371 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3377 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:46,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3377 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:46,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9378 states. [2022-07-23 04:00:47,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9378 to 9378. [2022-07-23 04:00:47,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9378 states, 6503 states have (on average 1.2691065662002152) internal successors, (8253), 6717 states have internal predecessors, (8253), 2390 states have call successors, (2390), 483 states have call predecessors, (2390), 482 states have return successors, (2390), 2312 states have call predecessors, (2390), 2387 states have call successors, (2390) [2022-07-23 04:00:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9378 states to 9378 states and 13033 transitions. [2022-07-23 04:00:47,310 INFO L78 Accepts]: Start accepts. Automaton has 9378 states and 13033 transitions. Word has length 98 [2022-07-23 04:00:47,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:47,310 INFO L495 AbstractCegarLoop]: Abstraction has 9378 states and 13033 transitions. [2022-07-23 04:00:47,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 04:00:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand 9378 states and 13033 transitions. [2022-07-23 04:00:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-23 04:00:47,315 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:47,315 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:47,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 04:00:47,316 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:47,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:47,316 INFO L85 PathProgramCache]: Analyzing trace with hash -299997407, now seen corresponding path program 1 times [2022-07-23 04:00:47,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:47,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175120753] [2022-07-23 04:00:47,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:47,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-23 04:00:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:00:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:00:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 04:00:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:00:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:00:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 04:00:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:47,544 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-23 04:00:47,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:47,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175120753] [2022-07-23 04:00:47,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175120753] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:47,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:47,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:47,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613305999] [2022-07-23 04:00:47,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:47,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:47,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:47,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:47,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:47,547 INFO L87 Difference]: Start difference. First operand 9378 states and 13033 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 04:00:47,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:47,966 INFO L93 Difference]: Finished difference Result 10552 states and 14399 transitions. [2022-07-23 04:00:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:47,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 92 [2022-07-23 04:00:47,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:48,004 INFO L225 Difference]: With dead ends: 10552 [2022-07-23 04:00:48,004 INFO L226 Difference]: Without dead ends: 10550 [2022-07-23 04:00:48,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:48,009 INFO L413 NwaCegarLoop]: 3538 mSDtfsCounter, 2013 mSDsluCounter, 8789 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 12327 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:48,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 12327 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:48,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10550 states. [2022-07-23 04:00:48,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10550 to 10548. [2022-07-23 04:00:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10548 states, 7270 states have (on average 1.2610729023383769) internal successors, (9168), 7512 states have internal predecessors, (9168), 2614 states have call successors, (2614), 662 states have call predecessors, (2614), 661 states have return successors, (2614), 2522 states have call predecessors, (2614), 2611 states have call successors, (2614) [2022-07-23 04:00:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10548 states to 10548 states and 14396 transitions. [2022-07-23 04:00:48,595 INFO L78 Accepts]: Start accepts. Automaton has 10548 states and 14396 transitions. Word has length 92 [2022-07-23 04:00:48,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:48,596 INFO L495 AbstractCegarLoop]: Abstraction has 10548 states and 14396 transitions. [2022-07-23 04:00:48,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 04:00:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand 10548 states and 14396 transitions. [2022-07-23 04:00:48,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-23 04:00:48,599 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:48,599 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:48,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 04:00:48,600 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:48,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:48,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1784161578, now seen corresponding path program 1 times [2022-07-23 04:00:48,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:48,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685316772] [2022-07-23 04:00:48,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:48,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:00:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:00:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 04:00:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 04:00:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:00:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:00:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 04:00:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 04:00:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 04:00:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-07-23 04:00:48,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:48,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685316772] [2022-07-23 04:00:48,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685316772] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:48,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:48,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:48,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190949336] [2022-07-23 04:00:48,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:48,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:48,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:48,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:48,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:48,861 INFO L87 Difference]: Start difference. First operand 10548 states and 14396 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-23 04:00:49,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:49,245 INFO L93 Difference]: Finished difference Result 10554 states and 14401 transitions. [2022-07-23 04:00:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:49,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 108 [2022-07-23 04:00:49,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:49,292 INFO L225 Difference]: With dead ends: 10554 [2022-07-23 04:00:49,292 INFO L226 Difference]: Without dead ends: 10552 [2022-07-23 04:00:49,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:49,306 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3371 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3375 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:49,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3375 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:49,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10552 states. [2022-07-23 04:00:49,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10552 to 10552. [2022-07-23 04:00:49,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10552 states, 7273 states have (on average 1.2609652138044822) internal successors, (9171), 7515 states have internal predecessors, (9171), 2614 states have call successors, (2614), 663 states have call predecessors, (2614), 662 states have return successors, (2614), 2522 states have call predecessors, (2614), 2611 states have call successors, (2614) [2022-07-23 04:00:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10552 states to 10552 states and 14399 transitions. [2022-07-23 04:00:49,849 INFO L78 Accepts]: Start accepts. Automaton has 10552 states and 14399 transitions. Word has length 108 [2022-07-23 04:00:49,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:49,849 INFO L495 AbstractCegarLoop]: Abstraction has 10552 states and 14399 transitions. [2022-07-23 04:00:49,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-23 04:00:49,850 INFO L276 IsEmpty]: Start isEmpty. Operand 10552 states and 14399 transitions. [2022-07-23 04:00:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-23 04:00:49,852 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:49,852 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:49,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 04:00:49,853 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:49,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:49,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1938399132, now seen corresponding path program 1 times [2022-07-23 04:00:49,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:49,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544553029] [2022-07-23 04:00:49,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:49,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:49,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:49,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:49,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:00:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:00:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 04:00:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 04:00:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:00:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:00:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 04:00:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 04:00:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 04:00:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 04:00:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-23 04:00:50,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:50,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544553029] [2022-07-23 04:00:50,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544553029] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:50,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:50,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:50,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104974497] [2022-07-23 04:00:50,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:50,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:50,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:50,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:50,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:50,087 INFO L87 Difference]: Start difference. First operand 10552 states and 14399 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 04:00:50,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:50,435 INFO L93 Difference]: Finished difference Result 10558 states and 14404 transitions. [2022-07-23 04:00:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:50,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 113 [2022-07-23 04:00:50,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:50,480 INFO L225 Difference]: With dead ends: 10558 [2022-07-23 04:00:50,480 INFO L226 Difference]: Without dead ends: 10556 [2022-07-23 04:00:50,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:50,489 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3371 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:50,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3374 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:50,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10556 states. [2022-07-23 04:00:50,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10556 to 10556. [2022-07-23 04:00:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10556 states, 7276 states have (on average 1.260857614073667) internal successors, (9174), 7518 states have internal predecessors, (9174), 2614 states have call successors, (2614), 664 states have call predecessors, (2614), 663 states have return successors, (2614), 2522 states have call predecessors, (2614), 2611 states have call successors, (2614) [2022-07-23 04:00:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10556 states to 10556 states and 14402 transitions. [2022-07-23 04:00:50,987 INFO L78 Accepts]: Start accepts. Automaton has 10556 states and 14402 transitions. Word has length 113 [2022-07-23 04:00:50,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:50,988 INFO L495 AbstractCegarLoop]: Abstraction has 10556 states and 14402 transitions. [2022-07-23 04:00:50,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 04:00:50,988 INFO L276 IsEmpty]: Start isEmpty. Operand 10556 states and 14402 transitions. [2022-07-23 04:00:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-23 04:00:50,991 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:50,991 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:50,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 04:00:50,992 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:50,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1923073194, now seen corresponding path program 1 times [2022-07-23 04:00:50,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:50,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482853990] [2022-07-23 04:00:50,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:50,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:00:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:00:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 04:00:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 04:00:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 04:00:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:00:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 04:00:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 04:00:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 04:00:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 04:00:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:00:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:51,301 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-07-23 04:00:51,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:51,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482853990] [2022-07-23 04:00:51,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482853990] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:51,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:51,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:51,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517601285] [2022-07-23 04:00:51,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:51,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:51,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:51,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:51,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:51,305 INFO L87 Difference]: Start difference. First operand 10556 states and 14402 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 04:00:51,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:51,719 INFO L93 Difference]: Finished difference Result 10562 states and 14407 transitions. [2022-07-23 04:00:51,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:51,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 118 [2022-07-23 04:00:51,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:51,767 INFO L225 Difference]: With dead ends: 10562 [2022-07-23 04:00:51,768 INFO L226 Difference]: Without dead ends: 10560 [2022-07-23 04:00:51,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:51,777 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3371 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3373 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:51,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3373 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:51,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10560 states. [2022-07-23 04:00:52,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10560 to 10560. [2022-07-23 04:00:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10560 states, 7279 states have (on average 1.2607501030361314) internal successors, (9177), 7521 states have internal predecessors, (9177), 2614 states have call successors, (2614), 665 states have call predecessors, (2614), 664 states have return successors, (2614), 2522 states have call predecessors, (2614), 2611 states have call successors, (2614) [2022-07-23 04:00:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10560 states to 10560 states and 14405 transitions. [2022-07-23 04:00:52,275 INFO L78 Accepts]: Start accepts. Automaton has 10560 states and 14405 transitions. Word has length 118 [2022-07-23 04:00:52,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:52,276 INFO L495 AbstractCegarLoop]: Abstraction has 10560 states and 14405 transitions. [2022-07-23 04:00:52,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 04:00:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 10560 states and 14405 transitions. [2022-07-23 04:00:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-23 04:00:52,279 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:52,279 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:52,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 04:00:52,280 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:52,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:52,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2083550369, now seen corresponding path program 1 times [2022-07-23 04:00:52,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:52,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712954836] [2022-07-23 04:00:52,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:52,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-23 04:00:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:00:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:00:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 04:00:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:00:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:00:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 04:00:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:00:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 04:00:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:00:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:00:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:52,497 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-07-23 04:00:52,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:52,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712954836] [2022-07-23 04:00:52,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712954836] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:52,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:52,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:52,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86428444] [2022-07-23 04:00:52,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:52,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:52,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:52,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:52,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:52,500 INFO L87 Difference]: Start difference. First operand 10560 states and 14405 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 04:00:52,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:52,942 INFO L93 Difference]: Finished difference Result 10566 states and 14410 transitions. [2022-07-23 04:00:52,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:52,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 112 [2022-07-23 04:00:52,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:52,994 INFO L225 Difference]: With dead ends: 10566 [2022-07-23 04:00:52,994 INFO L226 Difference]: Without dead ends: 10562 [2022-07-23 04:00:53,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:53,006 INFO L413 NwaCegarLoop]: 3417 mSDtfsCounter, 3379 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3380 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:53,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3380 Valid, 10231 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:53,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10562 states. [2022-07-23 04:00:53,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10562 to 10562. [2022-07-23 04:00:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10562 states, 7281 states have (on average 1.2605411344595523) internal successors, (9178), 7522 states have internal predecessors, (9178), 2614 states have call successors, (2614), 666 states have call predecessors, (2614), 664 states have return successors, (2614), 2522 states have call predecessors, (2614), 2611 states have call successors, (2614) [2022-07-23 04:00:53,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10562 states to 10562 states and 14406 transitions. [2022-07-23 04:00:53,493 INFO L78 Accepts]: Start accepts. Automaton has 10562 states and 14406 transitions. Word has length 112 [2022-07-23 04:00:53,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:53,494 INFO L495 AbstractCegarLoop]: Abstraction has 10562 states and 14406 transitions. [2022-07-23 04:00:53,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 04:00:53,494 INFO L276 IsEmpty]: Start isEmpty. Operand 10562 states and 14406 transitions. [2022-07-23 04:00:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-23 04:00:53,498 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:53,498 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:53,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-23 04:00:53,499 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:53,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:53,499 INFO L85 PathProgramCache]: Analyzing trace with hash -349932359, now seen corresponding path program 1 times [2022-07-23 04:00:53,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:53,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308275545] [2022-07-23 04:00:53,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:53,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 04:00:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:00:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:00:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-23 04:00:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:00:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:00:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 04:00:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:00:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:00:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 04:00:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:00:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 04:00:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:00:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:00:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:00:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:53,749 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-07-23 04:00:53,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:53,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308275545] [2022-07-23 04:00:53,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308275545] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:53,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:53,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:00:53,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563528347] [2022-07-23 04:00:53,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:53,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:00:53,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:53,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:00:53,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:00:53,754 INFO L87 Difference]: Start difference. First operand 10562 states and 14406 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 04:00:54,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:54,233 INFO L93 Difference]: Finished difference Result 10562 states and 14406 transitions. [2022-07-23 04:00:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:54,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2022-07-23 04:00:54,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:54,267 INFO L225 Difference]: With dead ends: 10562 [2022-07-23 04:00:54,268 INFO L226 Difference]: Without dead ends: 10482 [2022-07-23 04:00:54,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:00:54,272 INFO L413 NwaCegarLoop]: 3415 mSDtfsCounter, 3375 mSDsluCounter, 6813 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3375 SdHoareTripleChecker+Valid, 10228 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:54,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3375 Valid, 10228 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:00:54,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10482 states. [2022-07-23 04:00:54,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10482 to 10482. [2022-07-23 04:00:54,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10482 states, 7233 states have (on average 1.2610258537259782) internal successors, (9121), 7469 states have internal predecessors, (9121), 2595 states have call successors, (2595), 652 states have call predecessors, (2595), 652 states have return successors, (2598), 2509 states have call predecessors, (2598), 2595 states have call successors, (2598) [2022-07-23 04:00:54,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10482 states to 10482 states and 14314 transitions. [2022-07-23 04:00:54,893 INFO L78 Accepts]: Start accepts. Automaton has 10482 states and 14314 transitions. Word has length 117 [2022-07-23 04:00:54,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:54,894 INFO L495 AbstractCegarLoop]: Abstraction has 10482 states and 14314 transitions. [2022-07-23 04:00:54,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 04:00:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 10482 states and 14314 transitions. [2022-07-23 04:00:54,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-23 04:00:54,898 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:54,898 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:54,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-23 04:00:54,899 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:00:54,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:54,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1298739436, now seen corresponding path program 1 times [2022-07-23 04:00:54,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:00:54,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779593785] [2022-07-23 04:00:54,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:54,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:00:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:00:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:00:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:00:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:00:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:00:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:00:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:00:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:00:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:00:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:00:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:00:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:00:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:00:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:00:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:00:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 04:00:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 04:00:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 04:00:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-07-23 04:00:55,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:00:55,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779593785] [2022-07-23 04:00:55,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779593785] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:55,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:55,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:00:55,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471298529] [2022-07-23 04:00:55,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:55,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:00:55,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:00:55,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:00:55,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:00:55,259 INFO L87 Difference]: Start difference. First operand 10482 states and 14314 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-23 04:01:00,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:00,174 INFO L93 Difference]: Finished difference Result 10796 states and 14790 transitions. [2022-07-23 04:01:00,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 04:01:00,175 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 144 [2022-07-23 04:01:00,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:00,228 INFO L225 Difference]: With dead ends: 10796 [2022-07-23 04:01:00,229 INFO L226 Difference]: Without dead ends: 10794 [2022-07-23 04:01:00,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:01:00,238 INFO L413 NwaCegarLoop]: 3257 mSDtfsCounter, 2456 mSDsluCounter, 6593 mSDsCounter, 0 mSdLazyCounter, 4393 mSolverCounterSat, 1025 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2764 SdHoareTripleChecker+Valid, 9850 SdHoareTripleChecker+Invalid, 5418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1025 IncrementalHoareTripleChecker+Valid, 4393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:00,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2764 Valid, 9850 Invalid, 5418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1025 Valid, 4393 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-23 04:01:00,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10794 states. [2022-07-23 04:01:00,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10794 to 10498. [2022-07-23 04:01:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10498 states, 7245 states have (on average 1.2605935127674257) internal successors, (9133), 7481 states have internal predecessors, (9133), 2595 states have call successors, (2595), 656 states have call predecessors, (2595), 656 states have return successors, (2598), 2509 states have call predecessors, (2598), 2595 states have call successors, (2598) [2022-07-23 04:01:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10498 states to 10498 states and 14326 transitions. [2022-07-23 04:01:00,911 INFO L78 Accepts]: Start accepts. Automaton has 10498 states and 14326 transitions. Word has length 144 [2022-07-23 04:01:00,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:00,912 INFO L495 AbstractCegarLoop]: Abstraction has 10498 states and 14326 transitions. [2022-07-23 04:01:00,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-23 04:01:00,912 INFO L276 IsEmpty]: Start isEmpty. Operand 10498 states and 14326 transitions. [2022-07-23 04:01:00,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-23 04:01:00,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:00,919 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:00,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-23 04:01:00,919 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:01:00,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:00,920 INFO L85 PathProgramCache]: Analyzing trace with hash -320889491, now seen corresponding path program 1 times [2022-07-23 04:01:00,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:00,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824812400] [2022-07-23 04:01:00,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:00,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:01:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:01:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:01:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:01:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:01:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:01:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 04:01:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:01:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 04:01:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 04:01:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 04:01:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 04:01:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 04:01:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 04:01:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 04:01:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:01:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-07-23 04:01:01,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:01,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824812400] [2022-07-23 04:01:01,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824812400] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:01:01,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:01:01,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 04:01:01,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499222015] [2022-07-23 04:01:01,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:01:01,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 04:01:01,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:01,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 04:01:01,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:01:01,339 INFO L87 Difference]: Start difference. First operand 10498 states and 14326 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 04:01:08,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:01:12,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:01:16,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:16,750 INFO L93 Difference]: Finished difference Result 12022 states and 16646 transitions. [2022-07-23 04:01:16,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 04:01:16,751 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 189 [2022-07-23 04:01:16,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:16,804 INFO L225 Difference]: With dead ends: 12022 [2022-07-23 04:01:16,804 INFO L226 Difference]: Without dead ends: 11298 [2022-07-23 04:01:16,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-07-23 04:01:16,816 INFO L413 NwaCegarLoop]: 3109 mSDtfsCounter, 3448 mSDsluCounter, 7869 mSDsCounter, 0 mSdLazyCounter, 8334 mSolverCounterSat, 2377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3753 SdHoareTripleChecker+Valid, 10978 SdHoareTripleChecker+Invalid, 10711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2377 IncrementalHoareTripleChecker+Valid, 8334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:16,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3753 Valid, 10978 Invalid, 10711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2377 Valid, 8334 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2022-07-23 04:01:16,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11298 states. [2022-07-23 04:01:17,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11298 to 9776. [2022-07-23 04:01:17,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9776 states, 6769 states have (on average 1.2619293839562713) internal successors, (8542), 6969 states have internal predecessors, (8542), 2361 states have call successors, (2361), 644 states have call predecessors, (2361), 644 states have return successors, (2364), 2291 states have call predecessors, (2364), 2361 states have call successors, (2364) [2022-07-23 04:01:17,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9776 states to 9776 states and 13267 transitions. [2022-07-23 04:01:17,387 INFO L78 Accepts]: Start accepts. Automaton has 9776 states and 13267 transitions. Word has length 189 [2022-07-23 04:01:17,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:17,388 INFO L495 AbstractCegarLoop]: Abstraction has 9776 states and 13267 transitions. [2022-07-23 04:01:17,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 04:01:17,388 INFO L276 IsEmpty]: Start isEmpty. Operand 9776 states and 13267 transitions. [2022-07-23 04:01:17,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-07-23 04:01:17,419 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:17,420 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:17,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-23 04:01:17,420 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:01:17,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:17,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1564064925, now seen corresponding path program 1 times [2022-07-23 04:01:17,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:17,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979026217] [2022-07-23 04:01:17,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:17,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:01:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:01:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 04:01:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 04:01:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 04:01:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 04:01:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:01:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 04:01:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 04:01:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 04:01:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 04:01:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-23 04:01:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 04:01:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 04:01:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 04:01:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 04:01:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 04:01:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-23 04:01:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 04:01:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 04:01:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 04:01:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 04:01:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 04:01:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 04:01:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-23 04:01:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-23 04:01:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:01:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:01:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 04:01:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-23 04:01:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 04:01:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-23 04:01:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-23 04:01:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 04:01:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-23 04:01:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-23 04:01:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:01:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-23 04:01:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2022-07-23 04:01:18,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:18,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979026217] [2022-07-23 04:01:18,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979026217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:01:18,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:01:18,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:01:18,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984783214] [2022-07-23 04:01:18,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:01:18,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:01:18,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:18,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:01:18,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:01:18,101 INFO L87 Difference]: Start difference. First operand 9776 states and 13267 transitions. Second operand has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 3 states have internal predecessors, (257), 3 states have call successors, (64), 5 states have call predecessors, (64), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-07-23 04:01:23,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:01:26,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:26,554 INFO L93 Difference]: Finished difference Result 15920 states and 21890 transitions. [2022-07-23 04:01:26,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:01:26,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 3 states have internal predecessors, (257), 3 states have call successors, (64), 5 states have call predecessors, (64), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 504 [2022-07-23 04:01:26,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:26,588 INFO L225 Difference]: With dead ends: 15920 [2022-07-23 04:01:26,588 INFO L226 Difference]: Without dead ends: 6724 [2022-07-23 04:01:26,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:01:26,629 INFO L413 NwaCegarLoop]: 2718 mSDtfsCounter, 6032 mSDsluCounter, 1659 mSDsCounter, 0 mSdLazyCounter, 2232 mSolverCounterSat, 4411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6281 SdHoareTripleChecker+Valid, 4377 SdHoareTripleChecker+Invalid, 6643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4411 IncrementalHoareTripleChecker+Valid, 2232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:26,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6281 Valid, 4377 Invalid, 6643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4411 Valid, 2232 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-07-23 04:01:26,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6724 states. [2022-07-23 04:01:26,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6724 to 5137. [2022-07-23 04:01:26,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5137 states, 3543 states have (on average 1.258820208862546) internal successors, (4460), 3652 states have internal predecessors, (4460), 1254 states have call successors, (1254), 338 states have call predecessors, (1254), 338 states have return successors, (1255), 1217 states have call predecessors, (1255), 1254 states have call successors, (1255) [2022-07-23 04:01:26,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 6969 transitions. [2022-07-23 04:01:26,954 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 6969 transitions. Word has length 504 [2022-07-23 04:01:26,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:26,954 INFO L495 AbstractCegarLoop]: Abstraction has 5137 states and 6969 transitions. [2022-07-23 04:01:26,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 3 states have internal predecessors, (257), 3 states have call successors, (64), 5 states have call predecessors, (64), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-07-23 04:01:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 6969 transitions. [2022-07-23 04:01:26,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2022-07-23 04:01:26,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:26,976 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:26,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-23 04:01:26,977 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:01:26,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:26,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1533061468, now seen corresponding path program 1 times [2022-07-23 04:01:26,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:26,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422163660] [2022-07-23 04:01:26,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:26,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:01:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:01:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:01:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:01:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:01:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:01:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 04:01:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:01:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:01:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 04:01:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:01:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 04:01:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:01:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 04:01:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 04:01:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 04:01:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 04:01:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 04:01:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 04:01:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 04:01:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-23 04:01:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 04:01:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 04:01:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 04:01:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-23 04:01:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-23 04:01:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-23 04:01:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-23 04:01:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:01:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:01:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-23 04:01:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 04:01:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-23 04:01:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-23 04:01:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-23 04:01:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-23 04:01:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-23 04:01:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-23 04:01:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:01:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-23 04:01:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:28,187 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-07-23 04:01:28,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:28,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422163660] [2022-07-23 04:01:28,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422163660] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:01:28,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93941028] [2022-07-23 04:01:28,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:28,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:28,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:01:28,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:01:28,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 04:01:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:29,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 5387 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:01:29,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:01:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-07-23 04:01:29,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:01:29,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93941028] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:01:29,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:01:29,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-23 04:01:29,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211151846] [2022-07-23 04:01:29,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:01:29,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:01:29,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:29,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:01:29,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:29,649 INFO L87 Difference]: Start difference. First operand 5137 states and 6969 transitions. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-07-23 04:01:29,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:29,995 INFO L93 Difference]: Finished difference Result 10254 states and 13913 transitions. [2022-07-23 04:01:29,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:01:29,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 566 [2022-07-23 04:01:29,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:30,028 INFO L225 Difference]: With dead ends: 10254 [2022-07-23 04:01:30,029 INFO L226 Difference]: Without dead ends: 5139 [2022-07-23 04:01:30,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 734 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:30,053 INFO L413 NwaCegarLoop]: 3111 mSDtfsCounter, 0 mSDsluCounter, 3106 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6217 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:30,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6217 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:01:30,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5139 states. [2022-07-23 04:01:30,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5139 to 5139. [2022-07-23 04:01:30,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5139 states, 3545 states have (on average 1.2586741889985895) internal successors, (4462), 3654 states have internal predecessors, (4462), 1254 states have call successors, (1254), 338 states have call predecessors, (1254), 338 states have return successors, (1255), 1217 states have call predecessors, (1255), 1254 states have call successors, (1255) [2022-07-23 04:01:30,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 6971 transitions. [2022-07-23 04:01:30,387 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 6971 transitions. Word has length 566 [2022-07-23 04:01:30,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:30,388 INFO L495 AbstractCegarLoop]: Abstraction has 5139 states and 6971 transitions. [2022-07-23 04:01:30,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-07-23 04:01:30,389 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 6971 transitions. [2022-07-23 04:01:30,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2022-07-23 04:01:30,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:30,410 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:30,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 04:01:30,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:30,636 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:01:30,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:30,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1550349018, now seen corresponding path program 1 times [2022-07-23 04:01:30,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:30,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619431702] [2022-07-23 04:01:30,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:30,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:01:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:01:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:01:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:01:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:01:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:01:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 04:01:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:01:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:01:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 04:01:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:01:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 04:01:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:01:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 04:01:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 04:01:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 04:01:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 04:01:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 04:01:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 04:01:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 04:01:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-23 04:01:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 04:01:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 04:01:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 04:01:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-23 04:01:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-23 04:01:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-23 04:01:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-23 04:01:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:01:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:01:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-23 04:01:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 04:01:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-23 04:01:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-23 04:01:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-23 04:01:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-23 04:01:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-23 04:01:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-23 04:01:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:01:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-23 04:01:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:31,653 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-07-23 04:01:31,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:31,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619431702] [2022-07-23 04:01:31,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619431702] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:01:31,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487288152] [2022-07-23 04:01:31,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:31,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:31,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:01:31,655 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:01:31,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 04:01:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:33,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 5375 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:01:33,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:01:33,117 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2022-07-23 04:01:33,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:01:33,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487288152] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:01:33,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:01:33,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-23 04:01:33,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588896030] [2022-07-23 04:01:33,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:01:33,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:01:33,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:33,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:01:33,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:33,121 INFO L87 Difference]: Start difference. First operand 5139 states and 6971 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-07-23 04:01:33,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:33,481 INFO L93 Difference]: Finished difference Result 10258 states and 13917 transitions. [2022-07-23 04:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:01:33,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 566 [2022-07-23 04:01:33,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:33,508 INFO L225 Difference]: With dead ends: 10258 [2022-07-23 04:01:33,508 INFO L226 Difference]: Without dead ends: 5141 [2022-07-23 04:01:33,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 734 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:33,533 INFO L413 NwaCegarLoop]: 3111 mSDtfsCounter, 0 mSDsluCounter, 3106 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6217 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:33,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6217 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:01:33,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5141 states. [2022-07-23 04:01:33,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5141 to 5141. [2022-07-23 04:01:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5141 states, 3547 states have (on average 1.258528333803214) internal successors, (4464), 3656 states have internal predecessors, (4464), 1254 states have call successors, (1254), 338 states have call predecessors, (1254), 338 states have return successors, (1255), 1217 states have call predecessors, (1255), 1254 states have call successors, (1255) [2022-07-23 04:01:33,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 6973 transitions. [2022-07-23 04:01:33,939 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 6973 transitions. Word has length 566 [2022-07-23 04:01:33,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:33,940 INFO L495 AbstractCegarLoop]: Abstraction has 5141 states and 6973 transitions. [2022-07-23 04:01:33,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-07-23 04:01:33,940 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 6973 transitions. [2022-07-23 04:01:33,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2022-07-23 04:01:33,953 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:33,954 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:33,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 04:01:34,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-07-23 04:01:34,176 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:01:34,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:34,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1348525084, now seen corresponding path program 1 times [2022-07-23 04:01:34,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:34,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528062222] [2022-07-23 04:01:34,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:34,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:01:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:01:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:01:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:01:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:01:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:01:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 04:01:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:01:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:01:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 04:01:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:01:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 04:01:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:01:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 04:01:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 04:01:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 04:01:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 04:01:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 04:01:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 04:01:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 04:01:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-23 04:01:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 04:01:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 04:01:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 04:01:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-23 04:01:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-23 04:01:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:34,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-23 04:01:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-23 04:01:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:01:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:01:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-23 04:01:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 04:01:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-23 04:01:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-23 04:01:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-23 04:01:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-23 04:01:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-23 04:01:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-23 04:01:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:01:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-23 04:01:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-07-23 04:01:35,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:35,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528062222] [2022-07-23 04:01:35,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528062222] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:01:35,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932042992] [2022-07-23 04:01:35,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:35,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:35,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:01:35,134 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:01:35,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 04:01:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:36,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 5378 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:01:36,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:01:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-07-23 04:01:36,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:01:36,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932042992] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:01:36,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:01:36,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-23 04:01:36,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687605320] [2022-07-23 04:01:36,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:01:36,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:01:36,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:36,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:01:36,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:36,639 INFO L87 Difference]: Start difference. First operand 5141 states and 6973 transitions. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-07-23 04:01:37,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:37,378 INFO L93 Difference]: Finished difference Result 10302 states and 13989 transitions. [2022-07-23 04:01:37,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:01:37,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 566 [2022-07-23 04:01:37,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:37,403 INFO L225 Difference]: With dead ends: 10302 [2022-07-23 04:01:37,404 INFO L226 Difference]: Without dead ends: 5183 [2022-07-23 04:01:37,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 734 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:37,421 INFO L413 NwaCegarLoop]: 3114 mSDtfsCounter, 22 mSDsluCounter, 3081 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 6195 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:37,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 6195 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 04:01:37,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2022-07-23 04:01:37,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5167. [2022-07-23 04:01:37,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5167 states, 3571 states have (on average 1.2579109493139178) internal successors, (4492), 3681 states have internal predecessors, (4492), 1255 states have call successors, (1255), 338 states have call predecessors, (1255), 339 states have return successors, (1257), 1218 states have call predecessors, (1257), 1255 states have call successors, (1257) [2022-07-23 04:01:37,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 5167 states and 7004 transitions. [2022-07-23 04:01:37,738 INFO L78 Accepts]: Start accepts. Automaton has 5167 states and 7004 transitions. Word has length 566 [2022-07-23 04:01:37,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:37,740 INFO L495 AbstractCegarLoop]: Abstraction has 5167 states and 7004 transitions. [2022-07-23 04:01:37,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-07-23 04:01:37,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5167 states and 7004 transitions. [2022-07-23 04:01:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2022-07-23 04:01:37,751 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:37,751 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:37,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-23 04:01:37,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:37,961 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:01:37,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:37,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1666172164, now seen corresponding path program 1 times [2022-07-23 04:01:37,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:37,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423686688] [2022-07-23 04:01:37,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:37,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:01:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:01:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:01:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:01:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:01:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:01:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 04:01:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:01:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:01:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 04:01:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:01:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 04:01:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:01:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 04:01:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 04:01:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 04:01:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 04:01:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-23 04:01:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 04:01:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 04:01:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 04:01:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-23 04:01:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-23 04:01:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-23 04:01:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 04:01:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-23 04:01:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 04:01:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 04:01:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:01:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:01:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-23 04:01:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-23 04:01:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-23 04:01:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-23 04:01:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-23 04:01:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-23 04:01:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-23 04:01:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-23 04:01:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:01:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-23 04:01:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:38,843 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-07-23 04:01:38,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:38,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423686688] [2022-07-23 04:01:38,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423686688] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:01:38,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092137451] [2022-07-23 04:01:38,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:38,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:38,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:01:38,848 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:01:38,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 04:01:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:40,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 5382 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:01:40,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:01:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-07-23 04:01:40,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:01:40,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092137451] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:01:40,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:01:40,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-23 04:01:40,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528627683] [2022-07-23 04:01:40,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:01:40,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:01:40,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:40,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:01:40,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:40,348 INFO L87 Difference]: Start difference. First operand 5167 states and 7004 transitions. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2022-07-23 04:01:40,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:40,786 INFO L93 Difference]: Finished difference Result 10368 states and 14069 transitions. [2022-07-23 04:01:40,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:01:40,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 569 [2022-07-23 04:01:40,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:40,818 INFO L225 Difference]: With dead ends: 10368 [2022-07-23 04:01:40,818 INFO L226 Difference]: Without dead ends: 5223 [2022-07-23 04:01:40,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 728 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:40,840 INFO L413 NwaCegarLoop]: 3103 mSDtfsCounter, 22 mSDsluCounter, 3066 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 6169 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:40,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 6169 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 04:01:40,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5223 states. [2022-07-23 04:01:41,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5223 to 5199. [2022-07-23 04:01:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5199 states, 3599 states have (on average 1.2575715476521256) internal successors, (4526), 3709 states have internal predecessors, (4526), 1259 states have call successors, (1259), 338 states have call predecessors, (1259), 339 states have return successors, (1261), 1222 states have call predecessors, (1261), 1259 states have call successors, (1261) [2022-07-23 04:01:41,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5199 states to 5199 states and 7046 transitions. [2022-07-23 04:01:41,191 INFO L78 Accepts]: Start accepts. Automaton has 5199 states and 7046 transitions. Word has length 569 [2022-07-23 04:01:41,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:41,192 INFO L495 AbstractCegarLoop]: Abstraction has 5199 states and 7046 transitions. [2022-07-23 04:01:41,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2022-07-23 04:01:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand 5199 states and 7046 transitions. [2022-07-23 04:01:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2022-07-23 04:01:41,202 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:41,202 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:41,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-23 04:01:41,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:41,403 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:01:41,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:41,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1485227893, now seen corresponding path program 1 times [2022-07-23 04:01:41,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:41,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741400100] [2022-07-23 04:01:41,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:41,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:01:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:01:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:01:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:01:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:01:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:01:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 04:01:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:01:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:01:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 04:01:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:01:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 04:01:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:41,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:01:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 04:01:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 04:01:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 04:01:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 04:01:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 04:01:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 04:01:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 04:01:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 04:01:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 04:01:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 04:01:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 04:01:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 04:01:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 04:01:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-23 04:01:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-23 04:01:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-23 04:01:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-23 04:01:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:01:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:01:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-23 04:01:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-23 04:01:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-23 04:01:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-07-23 04:01:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-23 04:01:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-23 04:01:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-23 04:01:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-23 04:01:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:01:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-23 04:01:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2022-07-23 04:01:42,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:42,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741400100] [2022-07-23 04:01:42,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741400100] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:01:42,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600943948] [2022-07-23 04:01:42,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:42,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:42,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:01:42,393 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:01:42,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 04:01:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:43,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 5525 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 04:01:43,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:01:43,845 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2022-07-23 04:01:43,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:01:43,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600943948] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:01:43,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:01:43,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-23 04:01:43,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418019591] [2022-07-23 04:01:43,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:01:43,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:01:43,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:43,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:01:43,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:43,848 INFO L87 Difference]: Start difference. First operand 5199 states and 7046 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-07-23 04:01:44,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:44,498 INFO L93 Difference]: Finished difference Result 10390 states and 14086 transitions. [2022-07-23 04:01:44,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:01:44,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 600 [2022-07-23 04:01:44,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:44,517 INFO L225 Difference]: With dead ends: 10390 [2022-07-23 04:01:44,517 INFO L226 Difference]: Without dead ends: 5213 [2022-07-23 04:01:44,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 769 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:44,535 INFO L413 NwaCegarLoop]: 3116 mSDtfsCounter, 6 mSDsluCounter, 3081 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 6197 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:44,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 6197 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 04:01:44,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5213 states. [2022-07-23 04:01:44,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5213 to 5203. [2022-07-23 04:01:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5203 states, 3603 states have (on average 1.2578406883152928) internal successors, (4532), 3713 states have internal predecessors, (4532), 1259 states have call successors, (1259), 338 states have call predecessors, (1259), 339 states have return successors, (1261), 1222 states have call predecessors, (1261), 1259 states have call successors, (1261) [2022-07-23 04:01:44,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 7052 transitions. [2022-07-23 04:01:44,870 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 7052 transitions. Word has length 600 [2022-07-23 04:01:44,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:44,870 INFO L495 AbstractCegarLoop]: Abstraction has 5203 states and 7052 transitions. [2022-07-23 04:01:44,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-07-23 04:01:44,871 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 7052 transitions. [2022-07-23 04:01:44,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2022-07-23 04:01:44,880 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:44,881 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:44,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-23 04:01:45,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-07-23 04:01:45,089 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:01:45,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:45,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1336836792, now seen corresponding path program 1 times [2022-07-23 04:01:45,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:45,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914975255] [2022-07-23 04:01:45,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:45,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:01:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:01:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:01:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:01:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:01:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:01:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 04:01:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:01:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:01:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 04:01:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:01:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 04:01:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:01:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 04:01:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-23 04:01:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 04:01:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 04:01:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 04:01:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 04:01:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-23 04:01:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-23 04:01:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 04:01:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-23 04:01:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 04:01:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 04:01:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-23 04:01:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 04:01:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 04:01:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 04:01:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-23 04:01:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:01:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:01:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-23 04:01:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-23 04:01:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-23 04:01:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-23 04:01:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-23 04:01:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-23 04:01:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-23 04:01:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-23 04:01:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:01:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-23 04:01:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2022-07-23 04:01:45,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:45,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914975255] [2022-07-23 04:01:45,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914975255] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:01:45,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112985694] [2022-07-23 04:01:45,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:45,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:45,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:01:45,998 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:01:46,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-23 04:01:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:47,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 5529 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 04:01:47,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:01:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-07-23 04:01:47,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:01:47,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112985694] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:01:47,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:01:47,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-23 04:01:47,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856563012] [2022-07-23 04:01:47,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:01:47,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:01:47,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:47,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:01:47,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:47,577 INFO L87 Difference]: Start difference. First operand 5203 states and 7052 transitions. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-07-23 04:01:47,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:47,931 INFO L93 Difference]: Finished difference Result 11825 states and 16252 transitions. [2022-07-23 04:01:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:01:47,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 601 [2022-07-23 04:01:47,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:47,955 INFO L225 Difference]: With dead ends: 11825 [2022-07-23 04:01:47,956 INFO L226 Difference]: Without dead ends: 6644 [2022-07-23 04:01:47,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 779 GetRequests, 770 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:01:47,978 INFO L413 NwaCegarLoop]: 3717 mSDtfsCounter, 674 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 6911 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:47,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 6911 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:01:47,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6644 states. [2022-07-23 04:01:48,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6644 to 5205. [2022-07-23 04:01:48,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5205 states, 3605 states have (on average 1.2576976421636616) internal successors, (4534), 3715 states have internal predecessors, (4534), 1259 states have call successors, (1259), 338 states have call predecessors, (1259), 339 states have return successors, (1261), 1222 states have call predecessors, (1261), 1259 states have call successors, (1261) [2022-07-23 04:01:48,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 5205 states and 7054 transitions. [2022-07-23 04:01:48,292 INFO L78 Accepts]: Start accepts. Automaton has 5205 states and 7054 transitions. Word has length 601 [2022-07-23 04:01:48,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:48,292 INFO L495 AbstractCegarLoop]: Abstraction has 5205 states and 7054 transitions. [2022-07-23 04:01:48,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-07-23 04:01:48,293 INFO L276 IsEmpty]: Start isEmpty. Operand 5205 states and 7054 transitions. [2022-07-23 04:01:48,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2022-07-23 04:01:48,303 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:48,303 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:48,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-23 04:01:48,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:48,504 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:01:48,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:48,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1766472266, now seen corresponding path program 1 times [2022-07-23 04:01:48,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:48,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497626360] [2022-07-23 04:01:48,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:48,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:01:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:01:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:01:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:01:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:01:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:01:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 04:01:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:01:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:01:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 04:01:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:01:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:48,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 04:01:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:01:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 04:01:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-23 04:01:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 04:01:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 04:01:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 04:01:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 04:01:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-23 04:01:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-23 04:01:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 04:01:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-23 04:01:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 04:01:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 04:01:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-23 04:01:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 04:01:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 04:01:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 04:01:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-23 04:01:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:01:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:01:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-23 04:01:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-23 04:01:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-23 04:01:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-23 04:01:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-23 04:01:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-23 04:01:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-23 04:01:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-23 04:01:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:01:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-23 04:01:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2022-07-23 04:01:49,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:49,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497626360] [2022-07-23 04:01:49,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497626360] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:01:49,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561844185] [2022-07-23 04:01:49,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:49,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:49,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:01:49,364 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:01:49,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-23 04:01:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:50,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 5530 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 04:01:50,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:01:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2022-07-23 04:01:51,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:01:51,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561844185] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:01:51,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:01:51,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 12 [2022-07-23 04:01:51,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115407321] [2022-07-23 04:01:51,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:01:51,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:01:51,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:51,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:01:51,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:01:51,275 INFO L87 Difference]: Start difference. First operand 5205 states and 7054 transitions. Second operand has 4 states, 4 states have (on average 77.25) internal successors, (309), 3 states have internal predecessors, (309), 2 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-07-23 04:01:53,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:53,380 INFO L93 Difference]: Finished difference Result 10397 states and 14086 transitions. [2022-07-23 04:01:53,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:01:53,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.25) internal successors, (309), 3 states have internal predecessors, (309), 2 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 601 [2022-07-23 04:01:53,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:53,405 INFO L225 Difference]: With dead ends: 10397 [2022-07-23 04:01:53,405 INFO L226 Difference]: Without dead ends: 5214 [2022-07-23 04:01:53,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 780 GetRequests, 769 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-07-23 04:01:53,422 INFO L413 NwaCegarLoop]: 3662 mSDtfsCounter, 2868 mSDsluCounter, 6733 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2868 SdHoareTripleChecker+Valid, 10395 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:53,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2868 Valid, 10395 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-23 04:01:53,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2022-07-23 04:01:53,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 5205. [2022-07-23 04:01:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5205 states, 3605 states have (on average 1.2574202496532594) internal successors, (4533), 3715 states have internal predecessors, (4533), 1259 states have call successors, (1259), 338 states have call predecessors, (1259), 339 states have return successors, (1261), 1222 states have call predecessors, (1261), 1259 states have call successors, (1261) [2022-07-23 04:01:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 5205 states and 7053 transitions. [2022-07-23 04:01:53,823 INFO L78 Accepts]: Start accepts. Automaton has 5205 states and 7053 transitions. Word has length 601 [2022-07-23 04:01:53,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:53,824 INFO L495 AbstractCegarLoop]: Abstraction has 5205 states and 7053 transitions. [2022-07-23 04:01:53,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.25) internal successors, (309), 3 states have internal predecessors, (309), 2 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-07-23 04:01:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 5205 states and 7053 transitions. [2022-07-23 04:01:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2022-07-23 04:01:53,836 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:53,837 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:53,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-07-23 04:01:54,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:54,066 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:01:54,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:54,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1283077640, now seen corresponding path program 1 times [2022-07-23 04:01:54,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:01:54,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612823745] [2022-07-23 04:01:54,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:54,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:01:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:01:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:01:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:01:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:01:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:01:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:01:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 04:01:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:01:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:01:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 04:01:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:01:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 04:01:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:01:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 04:01:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-23 04:01:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 04:01:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 04:01:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 04:01:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 04:01:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-23 04:01:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-23 04:01:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 04:01:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-23 04:01:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 04:01:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:01:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 04:01:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-23 04:01:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 04:01:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:01:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 04:01:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 04:01:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-23 04:01:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:01:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:01:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-23 04:01:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-23 04:01:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-23 04:01:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:01:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-23 04:01:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-23 04:01:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-23 04:01:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:01:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-23 04:01:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-23 04:01:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:01:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:01:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:01:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-23 04:01:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2022-07-23 04:01:54,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:01:54,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612823745] [2022-07-23 04:01:54,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612823745] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:01:54,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699125113] [2022-07-23 04:01:54,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:54,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:01:54,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:01:54,884 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:01:54,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-23 04:01:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:01:56,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 5533 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 04:01:56,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:01:56,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-07-23 04:01:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 299 proven. 3 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-07-23 04:01:56,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:01:56,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699125113] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:01:56,896 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 04:01:56,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 14 [2022-07-23 04:01:56,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285116962] [2022-07-23 04:01:56,897 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 04:01:56,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-23 04:01:56,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:01:56,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-23 04:01:56,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-07-23 04:01:56,899 INFO L87 Difference]: Start difference. First operand 5205 states and 7053 transitions. Second operand has 14 states, 10 states have (on average 38.6) internal successors, (386), 9 states have internal predecessors, (386), 9 states have call successors, (122), 5 states have call predecessors, (122), 5 states have return successors, (114), 7 states have call predecessors, (114), 9 states have call successors, (114) [2022-07-23 04:02:02,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:02:05,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:02:07,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:02:08,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:02:29,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:02:31,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:02:33,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:02:35,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:02:51,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:02:51,537 INFO L93 Difference]: Finished difference Result 12459 states and 17760 transitions. [2022-07-23 04:02:51,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-23 04:02:51,538 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 38.6) internal successors, (386), 9 states have internal predecessors, (386), 9 states have call successors, (122), 5 states have call predecessors, (122), 5 states have return successors, (114), 7 states have call predecessors, (114), 9 states have call successors, (114) Word has length 601 [2022-07-23 04:02:51,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:02:51,573 INFO L225 Difference]: With dead ends: 12459 [2022-07-23 04:02:51,573 INFO L226 Difference]: Without dead ends: 7276 [2022-07-23 04:02:51,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1228 GetRequests, 1197 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=875, Unknown=0, NotChecked=0, Total=1056 [2022-07-23 04:02:51,593 INFO L413 NwaCegarLoop]: 2761 mSDtfsCounter, 2986 mSDsluCounter, 12765 mSDsCounter, 0 mSdLazyCounter, 25207 mSolverCounterSat, 2222 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3493 SdHoareTripleChecker+Valid, 15526 SdHoareTripleChecker+Invalid, 27430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2222 IncrementalHoareTripleChecker+Valid, 25207 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.5s IncrementalHoareTripleChecker+Time [2022-07-23 04:02:51,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3493 Valid, 15526 Invalid, 27430 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2222 Valid, 25207 Invalid, 1 Unknown, 0 Unchecked, 53.5s Time] [2022-07-23 04:02:51,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7276 states. [2022-07-23 04:02:52,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7276 to 5318. [2022-07-23 04:02:52,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5318 states, 3697 states have (on average 1.2599404922910469) internal successors, (4658), 3806 states have internal predecessors, (4658), 1276 states have call successors, (1276), 342 states have call predecessors, (1276), 343 states have return successors, (1340), 1240 states have call predecessors, (1340), 1276 states have call successors, (1340) [2022-07-23 04:02:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5318 states to 5318 states and 7274 transitions. [2022-07-23 04:02:52,071 INFO L78 Accepts]: Start accepts. Automaton has 5318 states and 7274 transitions. Word has length 601 [2022-07-23 04:02:52,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:02:52,072 INFO L495 AbstractCegarLoop]: Abstraction has 5318 states and 7274 transitions. [2022-07-23 04:02:52,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 38.6) internal successors, (386), 9 states have internal predecessors, (386), 9 states have call successors, (122), 5 states have call predecessors, (122), 5 states have return successors, (114), 7 states have call predecessors, (114), 9 states have call successors, (114) [2022-07-23 04:02:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 5318 states and 7274 transitions. [2022-07-23 04:02:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2022-07-23 04:02:52,083 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:02:52,084 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:02:52,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-07-23 04:02:52,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-07-23 04:02:52,288 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:02:52,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:02:52,288 INFO L85 PathProgramCache]: Analyzing trace with hash 491131493, now seen corresponding path program 2 times [2022-07-23 04:02:52,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:02:52,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258817226] [2022-07-23 04:02:52,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:02:52,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:02:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:02:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:02:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:02:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:02:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:02:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:02:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 04:02:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:02:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:02:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 04:02:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:02:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 04:02:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:02:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:02:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:02:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-23 04:02:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 04:02:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 04:02:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:02:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 04:02:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 04:02:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 04:02:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 04:02:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 04:02:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:02:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 04:02:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 04:02:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 04:02:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:02:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-23 04:02:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:02:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 04:02:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:02:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-23 04:02:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:02:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-23 04:02:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-23 04:02:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 04:02:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:02:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:02:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-23 04:02:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-23 04:02:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-23 04:02:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-23 04:02:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-23 04:02:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-23 04:02:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-23 04:02:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-23 04:02:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:02:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:02:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-07-23 04:02:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:53,096 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2022-07-23 04:02:53,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:02:53,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258817226] [2022-07-23 04:02:53,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258817226] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:02:53,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589996117] [2022-07-23 04:02:53,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 04:02:53,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:02:53,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:02:53,099 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:02:53,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-23 04:02:54,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 04:02:54,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 04:02:54,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 2135 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-23 04:02:54,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:02:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2022-07-23 04:02:54,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:02:54,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589996117] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:02:54,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:02:54,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2022-07-23 04:02:54,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687496500] [2022-07-23 04:02:54,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:02:54,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:02:54,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:02:54,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:02:54,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:02:54,407 INFO L87 Difference]: Start difference. First operand 5318 states and 7274 transitions. Second operand has 5 states, 5 states have (on average 54.8) internal successors, (274), 4 states have internal predecessors, (274), 1 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2022-07-23 04:02:56,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:02:56,230 INFO L93 Difference]: Finished difference Result 10631 states and 14541 transitions. [2022-07-23 04:02:56,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:02:56,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.8) internal successors, (274), 4 states have internal predecessors, (274), 1 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 602 [2022-07-23 04:02:56,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:02:56,247 INFO L225 Difference]: With dead ends: 10631 [2022-07-23 04:02:56,247 INFO L226 Difference]: Without dead ends: 5317 [2022-07-23 04:02:56,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 769 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:02:56,260 INFO L413 NwaCegarLoop]: 3075 mSDtfsCounter, 3187 mSDsluCounter, 1864 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3187 SdHoareTripleChecker+Valid, 4939 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:02:56,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3187 Valid, 4939 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-23 04:02:56,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5317 states. [2022-07-23 04:02:56,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5317 to 5317. [2022-07-23 04:02:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5317 states, 3696 states have (on average 1.2591991341991342) internal successors, (4654), 3805 states have internal predecessors, (4654), 1276 states have call successors, (1276), 342 states have call predecessors, (1276), 343 states have return successors, (1340), 1240 states have call predecessors, (1340), 1276 states have call successors, (1340) [2022-07-23 04:02:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5317 states to 5317 states and 7270 transitions. [2022-07-23 04:02:56,551 INFO L78 Accepts]: Start accepts. Automaton has 5317 states and 7270 transitions. Word has length 602 [2022-07-23 04:02:56,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:02:56,551 INFO L495 AbstractCegarLoop]: Abstraction has 5317 states and 7270 transitions. [2022-07-23 04:02:56,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.8) internal successors, (274), 4 states have internal predecessors, (274), 1 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2022-07-23 04:02:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 5317 states and 7270 transitions. [2022-07-23 04:02:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2022-07-23 04:02:56,563 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:02:56,563 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:02:56,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-23 04:02:56,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-07-23 04:02:56,784 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:02:56,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:02:56,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1806275225, now seen corresponding path program 1 times [2022-07-23 04:02:56,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:02:56,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407299741] [2022-07-23 04:02:56,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:02:56,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:02:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:02:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:02:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:02:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:02:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:02:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:02:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 04:02:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:02:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:02:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 04:02:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:02:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 04:02:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:02:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:02:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:02:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-23 04:02:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 04:02:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 04:02:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:02:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 04:02:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 04:02:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 04:02:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 04:02:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 04:02:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:02:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 04:02:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 04:02:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 04:02:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:02:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-23 04:02:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:02:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 04:02:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:02:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-23 04:02:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:02:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:02:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-23 04:02:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-23 04:02:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 04:02:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:02:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:02:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-23 04:02:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-23 04:02:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-23 04:02:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:02:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-23 04:02:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-23 04:02:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-23 04:02:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:02:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-23 04:02:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-23 04:02:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:02:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:02:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:02:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-07-23 04:02:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:57,466 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2022-07-23 04:02:57,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:02:57,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407299741] [2022-07-23 04:02:57,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407299741] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:02:57,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527004223] [2022-07-23 04:02:57,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:02:57,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:02:57,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:02:57,472 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:02:57,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-23 04:02:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:02:59,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 5532 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 04:02:59,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:02:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 287 proven. 1 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-07-23 04:02:59,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:02:59,439 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2022-07-23 04:02:59,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527004223] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:02:59,439 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 04:02:59,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2022-07-23 04:02:59,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332228642] [2022-07-23 04:02:59,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 04:02:59,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 04:02:59,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:02:59,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 04:02:59,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-23 04:02:59,442 INFO L87 Difference]: Start difference. First operand 5317 states and 7270 transitions. Second operand has 9 states, 9 states have (on average 41.22222222222222) internal successors, (371), 6 states have internal predecessors, (371), 5 states have call successors, (118), 5 states have call predecessors, (118), 2 states have return successors, (105), 5 states have call predecessors, (105), 5 states have call successors, (105) [2022-07-23 04:03:05,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:03:10,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:03:10,078 INFO L93 Difference]: Finished difference Result 12364 states and 17250 transitions. [2022-07-23 04:03:10,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 04:03:10,079 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 41.22222222222222) internal successors, (371), 6 states have internal predecessors, (371), 5 states have call successors, (118), 5 states have call predecessors, (118), 2 states have return successors, (105), 5 states have call predecessors, (105), 5 states have call successors, (105) Word has length 602 [2022-07-23 04:03:10,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:03:10,100 INFO L225 Difference]: With dead ends: 12364 [2022-07-23 04:03:10,101 INFO L226 Difference]: Without dead ends: 7068 [2022-07-23 04:03:10,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1384 GetRequests, 1372 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-07-23 04:03:10,115 INFO L413 NwaCegarLoop]: 2689 mSDtfsCounter, 3343 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 4495 mSolverCounterSat, 3016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3723 SdHoareTripleChecker+Valid, 5451 SdHoareTripleChecker+Invalid, 7511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3016 IncrementalHoareTripleChecker+Valid, 4495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:03:10,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3723 Valid, 5451 Invalid, 7511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3016 Valid, 4495 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-07-23 04:03:10,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7068 states. [2022-07-23 04:03:10,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7068 to 5387. [2022-07-23 04:03:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5387 states, 3750 states have (on average 1.2581333333333333) internal successors, (4718), 3859 states have internal predecessors, (4718), 1292 states have call successors, (1292), 342 states have call predecessors, (1292), 343 states have return successors, (1364), 1256 states have call predecessors, (1364), 1292 states have call successors, (1364) [2022-07-23 04:03:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 5387 states and 7374 transitions. [2022-07-23 04:03:10,544 INFO L78 Accepts]: Start accepts. Automaton has 5387 states and 7374 transitions. Word has length 602 [2022-07-23 04:03:10,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:03:10,545 INFO L495 AbstractCegarLoop]: Abstraction has 5387 states and 7374 transitions. [2022-07-23 04:03:10,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 41.22222222222222) internal successors, (371), 6 states have internal predecessors, (371), 5 states have call successors, (118), 5 states have call predecessors, (118), 2 states have return successors, (105), 5 states have call predecessors, (105), 5 states have call successors, (105) [2022-07-23 04:03:10,546 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 7374 transitions. [2022-07-23 04:03:10,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2022-07-23 04:03:10,555 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:03:10,555 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 9, 9, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:03:10,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-07-23 04:03:10,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-23 04:03:10,756 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 04:03:10,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:03:10,757 INFO L85 PathProgramCache]: Analyzing trace with hash 285971655, now seen corresponding path program 2 times [2022-07-23 04:03:10,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:03:10,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146865230] [2022-07-23 04:03:10,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:03:10,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:03:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:10,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 04:03:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:10,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:03:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 04:03:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:03:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:03:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:03:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:03:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:03:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 04:03:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:03:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:03:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:03:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 04:03:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:03:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:03:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:03:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 04:03:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 04:03:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 04:03:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:03:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:03:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:03:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:03:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:03:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-23 04:03:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 04:03:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 04:03:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:03:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:03:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 04:03:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:03:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:03:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 04:03:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:03:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:03:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 04:03:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-23 04:03:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 04:03:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 04:03:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 04:03:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-23 04:03:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-23 04:03:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:03:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 04:03:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-23 04:03:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 04:03:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:03:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-23 04:03:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:03:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:03:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-23 04:03:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:03:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:03:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-23 04:03:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:03:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:03:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-23 04:03:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-23 04:03:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-07-23 04:03:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:03:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:03:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-23 04:03:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-23 04:03:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2022-07-23 04:03:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:03:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:03:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-23 04:03:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-23 04:03:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-23 04:03:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:03:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-07-23 04:03:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2022-07-23 04:03:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:03:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:03:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:03:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-07-23 04:03:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:03:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2022-07-23 04:03:11,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:03:11,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146865230] [2022-07-23 04:03:11,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146865230] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:03:11,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778669999] [2022-07-23 04:03:11,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 04:03:11,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:03:11,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:03:11,436 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 04:03:11,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-23 04:03:12,984 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 04:03:12,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 04:03:13,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 5818 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 04:03:13,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:03:13,083 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 323 proven. 12 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-07-23 04:03:13,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:03:13,478 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2022-07-23 04:03:13,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778669999] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:03:13,479 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 04:03:13,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-07-23 04:03:13,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417918786] [2022-07-23 04:03:13,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 04:03:13,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 04:03:13,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:03:13,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 04:03:13,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:03:13,482 INFO L87 Difference]: Start difference. First operand 5387 states and 7374 transitions. Second operand has 12 states, 12 states have (on average 32.583333333333336) internal successors, (391), 9 states have internal predecessors, (391), 8 states have call successors, (124), 5 states have call predecessors, (124), 2 states have return successors, (112), 8 states have call predecessors, (112), 8 states have call successors, (112) [2022-07-23 04:03:24,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:03:24,720 INFO L93 Difference]: Finished difference Result 7189 states and 9789 transitions. [2022-07-23 04:03:24,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 04:03:24,721 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 32.583333333333336) internal successors, (391), 9 states have internal predecessors, (391), 8 states have call successors, (124), 5 states have call predecessors, (124), 2 states have return successors, (112), 8 states have call predecessors, (112), 8 states have call successors, (112) Word has length 664 [2022-07-23 04:03:24,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:03:24,723 INFO L225 Difference]: With dead ends: 7189 [2022-07-23 04:03:24,723 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 04:03:24,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1534 GetRequests, 1515 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2022-07-23 04:03:24,733 INFO L413 NwaCegarLoop]: 1575 mSDtfsCounter, 1863 mSDsluCounter, 1384 mSDsCounter, 0 mSdLazyCounter, 5244 mSolverCounterSat, 1215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 2959 SdHoareTripleChecker+Invalid, 6459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1215 IncrementalHoareTripleChecker+Valid, 5244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-23 04:03:24,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 2959 Invalid, 6459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1215 Valid, 5244 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-07-23 04:03:24,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 04:03:24,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 04:03:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 04:03:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 04:03:24,735 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 664 [2022-07-23 04:03:24,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:03:24,735 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 04:03:24,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 32.583333333333336) internal successors, (391), 9 states have internal predecessors, (391), 8 states have call successors, (124), 5 states have call predecessors, (124), 2 states have return successors, (112), 8 states have call predecessors, (112), 8 states have call successors, (112) [2022-07-23 04:03:24,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 04:03:24,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 04:03:24,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-07-23 04:03:24,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-07-23 04:03:24,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-07-23 04:03:24,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-23 04:03:24,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:03:24,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.